* [PULL 01/46] i.MX: Fix inverted register bits in wdt code.
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 02/46] i.MX: Add support for WDT on i.MX6 Peter Maydell
` (45 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Roman Kapl <rka@sysgo.com>
Documentation says for WDA '0: Assert WDOG output.' and for SRS
'0: Assert system reset signal.'.
Signed-off-by: Roman Kapl <rka@sysgo.com>
Message-id: 20200207095409.11227-1-rka@sysgo.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/misc/imx2_wdt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/misc/imx2_wdt.c b/hw/misc/imx2_wdt.c
index 5576778a323..2aedfe803a4 100644
--- a/hw/misc/imx2_wdt.c
+++ b/hw/misc/imx2_wdt.c
@@ -29,7 +29,7 @@ static void imx2_wdt_write(void *opaque, hwaddr addr,
uint64_t value, unsigned int size)
{
if (addr == IMX2_WDT_WCR &&
- (value & (IMX2_WDT_WCR_WDA | IMX2_WDT_WCR_SRS))) {
+ (~value & (IMX2_WDT_WCR_WDA | IMX2_WDT_WCR_SRS))) {
watchdog_perform_action();
}
}
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 02/46] i.MX: Add support for WDT on i.MX6
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
2020-02-13 14:41 ` [PULL 01/46] i.MX: Fix inverted register bits in wdt code Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 03/46] bios-tables-test: prepare to change ARM virt ACPI DSDT Peter Maydell
` (44 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Roman Kapl <rka@sysgo.com>
Uses the i.MX2 rudimentary watchdog driver.
Signed-off-by: Roman Kapl <rka@sysgo.com>
Message-id: 20200207095529.11309-1-rka@sysgo.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: removed accidental duplicate #include line]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
include/hw/arm/fsl-imx6.h | 3 +++
hw/arm/fsl-imx6.c | 21 +++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/include/hw/arm/fsl-imx6.h b/include/hw/arm/fsl-imx6.h
index 1265a55c3b0..60eadccb421 100644
--- a/include/hw/arm/fsl-imx6.h
+++ b/include/hw/arm/fsl-imx6.h
@@ -21,6 +21,7 @@
#include "hw/cpu/a9mpcore.h"
#include "hw/misc/imx6_ccm.h"
#include "hw/misc/imx6_src.h"
+#include "hw/misc/imx2_wdt.h"
#include "hw/char/imx_serial.h"
#include "hw/timer/imx_gpt.h"
#include "hw/timer/imx_epit.h"
@@ -42,6 +43,7 @@
#define FSL_IMX6_NUM_GPIOS 7
#define FSL_IMX6_NUM_ESDHCS 4
#define FSL_IMX6_NUM_ECSPIS 5
+#define FSL_IMX6_NUM_WDTS 2
typedef struct FslIMX6State {
/*< private >*/
@@ -59,6 +61,7 @@ typedef struct FslIMX6State {
IMXGPIOState gpio[FSL_IMX6_NUM_GPIOS];
SDHCIState esdhc[FSL_IMX6_NUM_ESDHCS];
IMXSPIState spi[FSL_IMX6_NUM_ECSPIS];
+ IMX2WdtState wdt[FSL_IMX6_NUM_WDTS];
IMXFECState eth;
MemoryRegion rom;
MemoryRegion caam;
diff --git a/hw/arm/fsl-imx6.c b/hw/arm/fsl-imx6.c
index 552145b24ec..ecc62855f2b 100644
--- a/hw/arm/fsl-imx6.c
+++ b/hw/arm/fsl-imx6.c
@@ -91,6 +91,12 @@ static void fsl_imx6_init(Object *obj)
sysbus_init_child_obj(obj, name, &s->spi[i], sizeof(s->spi[i]),
TYPE_IMX_SPI);
}
+ for (i = 0; i < FSL_IMX6_NUM_WDTS; i++) {
+ snprintf(name, NAME_SIZE, "wdt%d", i);
+ sysbus_init_child_obj(obj, name, &s->wdt[i], sizeof(s->wdt[i]),
+ TYPE_IMX2_WDT);
+ }
+
sysbus_init_child_obj(obj, "eth", &s->eth, sizeof(s->eth), TYPE_IMX_ENET);
}
@@ -383,6 +389,21 @@ static void fsl_imx6_realize(DeviceState *dev, Error **errp)
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
FSL_IMX6_ENET_MAC_1588_IRQ));
+ /*
+ * Watchdog
+ */
+ for (i = 0; i < FSL_IMX6_NUM_WDTS; i++) {
+ static const hwaddr FSL_IMX6_WDOGn_ADDR[FSL_IMX6_NUM_WDTS] = {
+ FSL_IMX6_WDOG1_ADDR,
+ FSL_IMX6_WDOG2_ADDR,
+ };
+
+ object_property_set_bool(OBJECT(&s->wdt[i]), true, "realized",
+ &error_abort);
+
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0, FSL_IMX6_WDOGn_ADDR[i]);
+ }
+
/* ROM memory */
memory_region_init_rom(&s->rom, NULL, "imx6.rom",
FSL_IMX6_ROM_SIZE, &err);
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 03/46] bios-tables-test: prepare to change ARM virt ACPI DSDT
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
2020-02-13 14:41 ` [PULL 01/46] i.MX: Fix inverted register bits in wdt code Peter Maydell
2020-02-13 14:41 ` [PULL 02/46] i.MX: Add support for WDT on i.MX6 Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 04/46] arm/virt/acpi: remove meaningless sub device "RP0" from PCI0 Peter Maydell
` (43 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Heyi Guo <guoheyi@huawei.com>
We are going to change ARM virt ACPI DSDT table, which will cause make
check to fail, so temporarily add related golden masters to ignore
list.
Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-2-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
tests/qtest/bios-tables-test-allowed-diff.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h
index dfb8523c8bf..32a401ae35f 100644
--- a/tests/qtest/bios-tables-test-allowed-diff.h
+++ b/tests/qtest/bios-tables-test-allowed-diff.h
@@ -1 +1,4 @@
/* List of comma-separated changed AML files to ignore */
+"tests/data/acpi/virt/DSDT",
+"tests/data/acpi/virt/DSDT.memhp",
+"tests/data/acpi/virt/DSDT.numamem",
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 04/46] arm/virt/acpi: remove meaningless sub device "RP0" from PCI0
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (2 preceding siblings ...)
2020-02-13 14:41 ` [PULL 03/46] bios-tables-test: prepare to change ARM virt ACPI DSDT Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 05/46] arm/virt/acpi: remove _ADR from devices identified by _HID Peter Maydell
` (42 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Heyi Guo <guoheyi@huawei.com>
The sub device "RP0" under PCI0 in ACPI/DSDT does not contain any
method or property other than "_ADR", so it is safe to remove it.
Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Acked-by: "Michael S. Tsirkin" <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-3-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/virt-acpi-build.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index bd5f771e9be..9f4c7d1889c 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -317,10 +317,6 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
aml_append(method, aml_return(buf));
aml_append(dev, method);
- Aml *dev_rp0 = aml_device("%s", "RP0");
- aml_append(dev_rp0, aml_name_decl("_ADR", aml_int(0)));
- aml_append(dev, dev_rp0);
-
Aml *dev_res0 = aml_device("%s", "RES0");
aml_append(dev_res0, aml_name_decl("_HID", aml_string("PNP0C02")));
crs = aml_resource_template();
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 05/46] arm/virt/acpi: remove _ADR from devices identified by _HID
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (3 preceding siblings ...)
2020-02-13 14:41 ` [PULL 04/46] arm/virt/acpi: remove meaningless sub device "RP0" from PCI0 Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 06/46] arm/acpi: fix PCI _PRT definition Peter Maydell
` (41 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Heyi Guo <guoheyi@huawei.com>
According to ACPI spec, _ADR should be used for device on a bus that
has a standard enumeration algorithm, but not for device which is on
system bus and must be enumerated by OSPM. And it is not recommended
to contain both _HID and _ADR in a single device.
See ACPI 6.3, section 6.1, top of page 343:
A device object must contain either an _HID object or an _ADR object,
but should not contain both.
(https://uefi.org/sites/default/files/resources/ACPI_6_3_May16.pdf)
Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-4-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/virt-acpi-build.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 9f4c7d1889c..be752c0ad8e 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -78,11 +78,6 @@ static void acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap,
AML_EXCLUSIVE, &uart_irq, 1));
aml_append(dev, aml_name_decl("_CRS", crs));
- /* The _ADR entry is used to link this device to the UART described
- * in the SPCR table, i.e. SPCR.base_address.address == _ADR.
- */
- aml_append(dev, aml_name_decl("_ADR", aml_int(uart_memmap->base)));
-
aml_append(scope, dev);
}
@@ -170,7 +165,6 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
aml_append(dev, aml_name_decl("_CID", aml_string("PNP0A03")));
aml_append(dev, aml_name_decl("_SEG", aml_int(0)));
aml_append(dev, aml_name_decl("_BBN", aml_int(0)));
- aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
aml_append(dev, aml_name_decl("_UID", aml_string("PCI0")));
aml_append(dev, aml_name_decl("_STR", aml_unicode("PCIe 0 Device")));
aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
@@ -334,7 +328,6 @@ static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap,
{
Aml *dev = aml_device("GPO0");
aml_append(dev, aml_name_decl("_HID", aml_string("ARMH0061")));
- aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
aml_append(dev, aml_name_decl("_UID", aml_int(0)));
Aml *crs = aml_resource_template();
@@ -364,7 +357,6 @@ static void acpi_dsdt_add_power_button(Aml *scope)
{
Aml *dev = aml_device(ACPI_POWER_BUTTON_DEVICE);
aml_append(dev, aml_name_decl("_HID", aml_string("PNP0C0C")));
- aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
aml_append(dev, aml_name_decl("_UID", aml_int(0)));
aml_append(scope, dev);
}
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 06/46] arm/acpi: fix PCI _PRT definition
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (4 preceding siblings ...)
2020-02-13 14:41 ` [PULL 05/46] arm/virt/acpi: remove _ADR from devices identified by _HID Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 07/46] arm/acpi: fix duplicated _UID of PCI interrupt link devices Peter Maydell
` (40 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Heyi Guo <guoheyi@huawei.com>
The address field in each _PRT mapping package should be constructed
with high word for device# and low word for function#, so it is wrong
to use bus_no as the high word. The existing code adds a bunch useless
entries with device #s above 31. Enumerate all possible slots
(i.e. PCI_SLOT_MAX) instead.
Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-5-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/virt-acpi-build.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index be752c0ad8e..5d157a9dd5e 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -151,7 +151,7 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
{
int ecam_id = VIRT_ECAM_ID(highmem_ecam);
Aml *method, *crs, *ifctx, *UUID, *ifctx1, *elsectx, *buf;
- int i, bus_no;
+ int i, slot_no;
hwaddr base_mmio = memmap[VIRT_PCIE_MMIO].base;
hwaddr size_mmio = memmap[VIRT_PCIE_MMIO].size;
hwaddr base_pio = memmap[VIRT_PCIE_PIO].base;
@@ -170,12 +170,12 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
/* Declare the PCI Routing Table. */
- Aml *rt_pkg = aml_varpackage(nr_pcie_buses * PCI_NUM_PINS);
- for (bus_no = 0; bus_no < nr_pcie_buses; bus_no++) {
+ Aml *rt_pkg = aml_varpackage(PCI_SLOT_MAX * PCI_NUM_PINS);
+ for (slot_no = 0; slot_no < PCI_SLOT_MAX; slot_no++) {
for (i = 0; i < PCI_NUM_PINS; i++) {
- int gsi = (i + bus_no) % PCI_NUM_PINS;
+ int gsi = (i + slot_no) % PCI_NUM_PINS;
Aml *pkg = aml_package(4);
- aml_append(pkg, aml_int((bus_no << 16) | 0xFFFF));
+ aml_append(pkg, aml_int((slot_no << 16) | 0xFFFF));
aml_append(pkg, aml_int(i));
aml_append(pkg, aml_name("GSI%d", gsi));
aml_append(pkg, aml_int(0));
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 07/46] arm/acpi: fix duplicated _UID of PCI interrupt link devices
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (5 preceding siblings ...)
2020-02-13 14:41 ` [PULL 06/46] arm/acpi: fix PCI _PRT definition Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 08/46] arm/acpi: simplify the description of PCI _CRS Peter Maydell
` (39 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Heyi Guo <guoheyi@huawei.com>
Using _UID of 0 for all PCI interrupt link devices absolutely violates
the spec. Simply increase one by one.
Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-6-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/virt-acpi-build.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 5d157a9dd5e..f3e340b1729 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -189,7 +189,7 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
uint32_t irqs = irq + i;
Aml *dev_gsi = aml_device("GSI%d", i);
aml_append(dev_gsi, aml_name_decl("_HID", aml_string("PNP0C0F")));
- aml_append(dev_gsi, aml_name_decl("_UID", aml_int(0)));
+ aml_append(dev_gsi, aml_name_decl("_UID", aml_int(i)));
crs = aml_resource_template();
aml_append(crs,
aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 08/46] arm/acpi: simplify the description of PCI _CRS
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (6 preceding siblings ...)
2020-02-13 14:41 ` [PULL 07/46] arm/acpi: fix duplicated _UID of PCI interrupt link devices Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 09/46] virt/acpi: update golden masters for DSDT update Peter Maydell
` (38 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Heyi Guo <guoheyi@huawei.com>
The original code defines a named object for the resource template but
then returns the resource template object itself; the resulted output
is like below:
Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings
{
Name (RBUF, ResourceTemplate ()
{
WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
0x0000, // Granularity
0x0000, // Range Minimum
0x00FF, // Range Maximum
0x0000, // Translation Offset
0x0100, // Length
,, )
......
})
Return (ResourceTemplate ()
{
WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
0x0000, // Granularity
0x0000, // Range Minimum
0x00FF, // Range Maximum
0x0000, // Translation Offset
0x0100, // Length
,, )
......
})
}
So the named object "RBUF" is actually useless. The more natural way
is to return RBUF instead, or simply drop RBUF definition.
Choose the latter one to simplify the code.
Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-7-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/virt-acpi-build.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index f3e340b1729..fb4b166f82c 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -236,7 +236,6 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
size_mmio_high));
}
- aml_append(method, aml_name_decl("RBUF", rbuf));
aml_append(method, aml_return(rbuf));
aml_append(dev, method);
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 09/46] virt/acpi: update golden masters for DSDT update
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (7 preceding siblings ...)
2020-02-13 14:41 ` [PULL 08/46] arm/acpi: simplify the description of PCI _CRS Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 10/46] target/arm: Add arm_mmu_idx_is_stage1_of_2 Peter Maydell
` (37 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Heyi Guo <guoheyi@huawei.com>
Differences between disassembled ASL files:
@@ -5,13 +5,13 @@
*
* Disassembling to symbolic ASL+ operators
*
- * Disassembly of DSDT, Thu Jan 23 16:00:04 2020
+ * Disassembly of DSDT.new, Thu Jan 23 16:47:12 2020
*
* Original Table Header:
* Signature "DSDT"
- * Length 0x0000481E (18462)
+ * Length 0x000014BB (5307)
* Revision 0x02
- * Checksum 0x60
+ * Checksum 0xD1
* OEM ID "BOCHS "
* OEM Table ID "BXPCDSDT"
* OEM Revision 0x00000001 (1)
@@ -43,7 +43,6 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
0x00000021,
}
})
- Name (_ADR, 0x09000000) // _ADR: Address
}
Device (FLS0)
@@ -668,11 +667,10 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
Name (_CID, "PNP0A03" /* PCI Bus */) // _CID: Compatible ID
Name (_SEG, Zero) // _SEG: PCI Segment
Name (_BBN, Zero) // _BBN: BIOS Bus Number
- Name (_ADR, Zero) // _ADR: Address
Name (_UID, "PCI0") // _UID: Unique ID
Name (_STR, Unicode ("PCIe 0 Device")) // _STR: Description String
Name (_CCA, One) // _CCA: Cache Coherency Attribute
- Name (_PRT, Package (0x0400) // _PRT: PCI Routing Table
+ Name (_PRT, Package (0x80) // _PRT: PCI Routing Table
{
Package (0x04)
{
@@ -1696,7174 +1694,6 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
0x03,
GSI2,
Zero
- },
-
- Package (0x04)
- {
- 0x0020FFFF,
- Zero,
- GSI0,
- Zero
- },
-
- *Omit the other (4 * (256 - 32) - 2) packages*
-
- Package (0x04)
- {
- 0x00FFFFFF,
- 0x03,
- GSI2,
- Zero
}
})
Device (GSI0)
@@ -8892,7 +1722,7 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
Device (GSI1)
{
Name (_HID, "PNP0C0F" /* PCI Interrupt Link Device */) // _HID: Hardware ID
- Name (_UID, Zero) // _UID: Unique ID
+ Name (_UID, One) // _UID: Unique ID
Name (_PRS, ResourceTemplate () // _PRS: Possible Resource Settings
{
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
@@ -8915,7 +1745,7 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
Device (GSI2)
{
Name (_HID, "PNP0C0F" /* PCI Interrupt Link Device */) // _HID: Hardware ID
- Name (_UID, Zero) // _UID: Unique ID
+ Name (_UID, 0x02) // _UID: Unique ID
Name (_PRS, ResourceTemplate () // _PRS: Possible Resource Settings
{
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
@@ -8938,7 +1768,7 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
Device (GSI3)
{
Name (_HID, "PNP0C0F" /* PCI Interrupt Link Device */) // _HID: Hardware ID
- Name (_UID, Zero) // _UID: Unique ID
+ Name (_UID, 0x03) // _UID: Unique ID
Name (_PRS, ResourceTemplate () // _PRS: Possible Resource Settings
{
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
@@ -8965,37 +1795,6 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings
{
- Name (RBUF, ResourceTemplate ()
- {
- WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
- 0x0000, // Granularity
- 0x0000, // Range Minimum
- 0x00FF, // Range Maximum
- 0x0000, // Translation Offset
- 0x0100, // Length
- ,, )
- DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
- 0x00000000, // Granularity
- 0x10000000, // Range Minimum
- 0x3EFEFFFF, // Range Maximum
- 0x00000000, // Translation Offset
- 0x2EFF0000, // Length
- ,, , AddressRangeMemory, TypeStatic)
- DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
- 0x00000000, // Granularity
- 0x00000000, // Range Minimum
- 0x0000FFFF, // Range Maximum
- 0x3EFF0000, // Translation Offset
- 0x00010000, // Length
- ,, , TypeStatic, DenseTranslation)
- QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
- 0x0000000000000000, // Granularity
- 0x0000008000000000, // Range Minimum
- 0x000000FFFFFFFFFF, // Range Maximum
- 0x0000000000000000, // Translation Offset
- 0x0000008000000000, // Length
- ,, , AddressRangeMemory, TypeStatic)
- })
Return (ResourceTemplate ()
{
WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
@@ -9080,11 +1879,6 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
})
}
- Device (RP0)
- {
- Name (_ADR, Zero) // _ADR: Address
- }
-
Device (RES0)
{
Name (_HID, "PNP0C02" /* PNP Motherboard Resources */) // _HID: Hardware ID
@@ -9131,7 +1925,6 @@ DefinitionBlock ("", "DSDT", 2, "BOCHS ", "BXPCDSDT", 0x00000001)
Device (PWRB)
{
Name (_HID, "PNP0C0C" /* Power Button Device */) // _HID: Hardware ID
- Name (_ADR, Zero) // _ADR: Address
Name (_UID, Zero) // _UID: Unique ID
}
}
The differences between the two versions of DSDT.memhp are almost the
same as the above, except for total length and checksum.
DSDT.numamem binary is just the same with DSDT on virt machine, so we
don't show the differences again.
Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200204014325.16279-8-guoheyi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
tests/qtest/bios-tables-test-allowed-diff.h | 3 ---
tests/data/acpi/virt/DSDT | Bin 18462 -> 5307 bytes
tests/data/acpi/virt/DSDT.memhp | Bin 19799 -> 6644 bytes
tests/data/acpi/virt/DSDT.numamem | Bin 18462 -> 5307 bytes
4 files changed, 3 deletions(-)
diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h
index 32a401ae35f..dfb8523c8bf 100644
--- a/tests/qtest/bios-tables-test-allowed-diff.h
+++ b/tests/qtest/bios-tables-test-allowed-diff.h
@@ -1,4 +1 @@
/* List of comma-separated changed AML files to ignore */
-"tests/data/acpi/virt/DSDT",
-"tests/data/acpi/virt/DSDT.memhp",
-"tests/data/acpi/virt/DSDT.numamem",
diff --git a/tests/data/acpi/virt/DSDT b/tests/data/acpi/virt/DSDT
index d0f3afeb134fdf1c11f64cd06dbcdd30be603b80..d6f5c617881c4247f55d4dcd06581f9693916b2f 100644
GIT binary patch
delta 156
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lHhJdBGOmtnjvVpMLBX3Jy81CrwsAkqC^^YPgaxRb0RT`TDiQzy
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diff --git a/tests/data/acpi/virt/DSDT.memhp b/tests/data/acpi/virt/DSDT.memhp
index 41ccc6431b917252bcbaac86c33b340c796be5ce..c527ac4739af3df3c3e042bf91c412033a2b73c3 100644
GIT binary patch
delta 173
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diff --git a/tests/data/acpi/virt/DSDT.numamem b/tests/data/acpi/virt/DSDT.numamem
index d0f3afeb134fdf1c11f64cd06dbcdd30be603b80..d6f5c617881c4247f55d4dcd06581f9693916b2f 100644
GIT binary patch
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--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 10/46] target/arm: Add arm_mmu_idx_is_stage1_of_2
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (8 preceding siblings ...)
2020-02-13 14:41 ` [PULL 09/46] virt/acpi: update golden masters for DSDT update Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 11/46] target/arm: Add mmu_idx for EL1 and EL2 w/ PAN enabled Peter Maydell
` (36 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Use a common predicate for querying stage1-ness.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/internals.h | 18 ++++++++++++++++++
target/arm/helper.c | 8 +++-----
2 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 6d4a942bde4..1f8ee5f573e 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1034,6 +1034,24 @@ static inline ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env)
ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env);
#endif
+/**
+ * arm_mmu_idx_is_stage1_of_2:
+ * @mmu_idx: The ARMMMUIdx to test
+ *
+ * Return true if @mmu_idx is a NOTLB mmu_idx that is the
+ * first stage of a two stage regime.
+ */
+static inline bool arm_mmu_idx_is_stage1_of_2(ARMMMUIdx mmu_idx)
+{
+ switch (mmu_idx) {
+ case ARMMMUIdx_Stage1_E0:
+ case ARMMMUIdx_Stage1_E1:
+ return true;
+ default:
+ return false;
+ }
+}
+
/*
* Parameters of a given virtual address, as extracted from the
* translation control register (TCR) for a given regime.
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 7d15d5c933c..57dc7a307c0 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -3261,8 +3261,7 @@ static uint64_t do_ats_write(CPUARMState *env, uint64_t value,
bool take_exc = false;
if (fi.s1ptw && current_el == 1 && !arm_is_secure(env)
- && (mmu_idx == ARMMMUIdx_Stage1_E1 ||
- mmu_idx == ARMMMUIdx_Stage1_E0)) {
+ && arm_mmu_idx_is_stage1_of_2(mmu_idx)) {
/*
* Synchronous stage 2 fault on an access made as part of the
* translation table walk for AT S1E0* or AT S1E1* insn
@@ -9285,8 +9284,7 @@ static inline bool regime_translation_disabled(CPUARMState *env,
}
}
- if ((env->cp15.hcr_el2 & HCR_DC) &&
- (mmu_idx == ARMMMUIdx_Stage1_E0 || mmu_idx == ARMMMUIdx_Stage1_E1)) {
+ if ((env->cp15.hcr_el2 & HCR_DC) && arm_mmu_idx_is_stage1_of_2(mmu_idx)) {
/* HCR.DC means SCTLR_EL1.M behaves as 0 */
return true;
}
@@ -9595,7 +9593,7 @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx,
hwaddr addr, MemTxAttrs txattrs,
ARMMMUFaultInfo *fi)
{
- if ((mmu_idx == ARMMMUIdx_Stage1_E0 || mmu_idx == ARMMMUIdx_Stage1_E1) &&
+ if (arm_mmu_idx_is_stage1_of_2(mmu_idx) &&
!regime_translation_disabled(env, ARMMMUIdx_Stage2)) {
target_ulong s2size;
hwaddr s2pa;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 11/46] target/arm: Add mmu_idx for EL1 and EL2 w/ PAN enabled
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (9 preceding siblings ...)
2020-02-13 14:41 ` [PULL 10/46] target/arm: Add arm_mmu_idx_is_stage1_of_2 Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 12/46] target/arm: Add isar_feature tests for PAN + ATS1E1 Peter Maydell
` (35 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
To implement PAN, we will want to swap, for short periods
of time, to a different privileged mmu_idx. In addition,
we cannot do this with flushing alone, because the AT*
instructions have both PAN and PAN-less versions.
Add the ARMMMUIdx*_PAN constants where necessary next to
the corresponding ARMMMUIdx* constant.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu-param.h | 2 +-
target/arm/cpu.h | 33 ++++++++++++++-------
target/arm/internals.h | 9 ++++++
target/arm/helper.c | 60 +++++++++++++++++++++++++++++++-------
target/arm/translate-a64.c | 3 ++
target/arm/translate.c | 2 ++
6 files changed, 87 insertions(+), 22 deletions(-)
diff --git a/target/arm/cpu-param.h b/target/arm/cpu-param.h
index 18ac5623462..d593b60b28d 100644
--- a/target/arm/cpu-param.h
+++ b/target/arm/cpu-param.h
@@ -29,6 +29,6 @@
# define TARGET_PAGE_BITS_MIN 10
#endif
-#define NB_MMU_MODES 9
+#define NB_MMU_MODES 12
#endif
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 0b3036c484f..c63bceaaa5f 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -2751,20 +2751,24 @@ bool write_cpustate_to_list(ARMCPU *cpu, bool kvm_sync);
* 5. we want to be able to use the TLB for accesses done as part of a
* stage1 page table walk, rather than having to walk the stage2 page
* table over and over.
+ * 6. we need separate EL1/EL2 mmu_idx for handling the Privileged Access
+ * Never (PAN) bit within PSTATE.
*
* This gives us the following list of cases:
*
* NS EL0 EL1&0 stage 1+2 (aka NS PL0)
* NS EL1 EL1&0 stage 1+2 (aka NS PL1)
+ * NS EL1 EL1&0 stage 1+2 +PAN
* NS EL0 EL2&0
- * NS EL2 EL2&0
+ * NS EL2 EL2&0 +PAN
* NS EL2 (aka NS PL2)
* S EL0 EL1&0 (aka S PL0)
* S EL1 EL1&0 (not used if EL3 is 32 bit)
+ * S EL1 EL1&0 +PAN
* S EL3 (aka S PL1)
* NS EL1&0 stage 2
*
- * for a total of 9 different mmu_idx.
+ * for a total of 12 different mmu_idx.
*
* R profile CPUs have an MPU, but can use the same set of MMU indexes
* as A profile. They only need to distinguish NS EL0 and NS EL1 (and
@@ -2819,19 +2823,22 @@ typedef enum ARMMMUIdx {
/*
* A-profile.
*/
- ARMMMUIdx_E10_0 = 0 | ARM_MMU_IDX_A,
- ARMMMUIdx_E20_0 = 1 | ARM_MMU_IDX_A,
+ ARMMMUIdx_E10_0 = 0 | ARM_MMU_IDX_A,
+ ARMMMUIdx_E20_0 = 1 | ARM_MMU_IDX_A,
- ARMMMUIdx_E10_1 = 2 | ARM_MMU_IDX_A,
+ ARMMMUIdx_E10_1 = 2 | ARM_MMU_IDX_A,
+ ARMMMUIdx_E10_1_PAN = 3 | ARM_MMU_IDX_A,
- ARMMMUIdx_E2 = 3 | ARM_MMU_IDX_A,
- ARMMMUIdx_E20_2 = 4 | ARM_MMU_IDX_A,
+ ARMMMUIdx_E2 = 4 | ARM_MMU_IDX_A,
+ ARMMMUIdx_E20_2 = 5 | ARM_MMU_IDX_A,
+ ARMMMUIdx_E20_2_PAN = 6 | ARM_MMU_IDX_A,
- ARMMMUIdx_SE10_0 = 5 | ARM_MMU_IDX_A,
- ARMMMUIdx_SE10_1 = 6 | ARM_MMU_IDX_A,
- ARMMMUIdx_SE3 = 7 | ARM_MMU_IDX_A,
+ ARMMMUIdx_SE10_0 = 7 | ARM_MMU_IDX_A,
+ ARMMMUIdx_SE10_1 = 8 | ARM_MMU_IDX_A,
+ ARMMMUIdx_SE10_1_PAN = 9 | ARM_MMU_IDX_A,
+ ARMMMUIdx_SE3 = 10 | ARM_MMU_IDX_A,
- ARMMMUIdx_Stage2 = 8 | ARM_MMU_IDX_A,
+ ARMMMUIdx_Stage2 = 11 | ARM_MMU_IDX_A,
/*
* These are not allocated TLBs and are used only for AT system
@@ -2839,6 +2846,7 @@ typedef enum ARMMMUIdx {
*/
ARMMMUIdx_Stage1_E0 = 0 | ARM_MMU_IDX_NOTLB,
ARMMMUIdx_Stage1_E1 = 1 | ARM_MMU_IDX_NOTLB,
+ ARMMMUIdx_Stage1_E1_PAN = 2 | ARM_MMU_IDX_NOTLB,
/*
* M-profile.
@@ -2864,10 +2872,13 @@ typedef enum ARMMMUIdxBit {
TO_CORE_BIT(E10_0),
TO_CORE_BIT(E20_0),
TO_CORE_BIT(E10_1),
+ TO_CORE_BIT(E10_1_PAN),
TO_CORE_BIT(E2),
TO_CORE_BIT(E20_2),
+ TO_CORE_BIT(E20_2_PAN),
TO_CORE_BIT(SE10_0),
TO_CORE_BIT(SE10_1),
+ TO_CORE_BIT(SE10_1_PAN),
TO_CORE_BIT(SE3),
TO_CORE_BIT(Stage2),
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 1f8ee5f573e..6be8b2d1a9b 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -843,12 +843,16 @@ static inline bool regime_has_2_ranges(ARMMMUIdx mmu_idx)
switch (mmu_idx) {
case ARMMMUIdx_Stage1_E0:
case ARMMMUIdx_Stage1_E1:
+ case ARMMMUIdx_Stage1_E1_PAN:
case ARMMMUIdx_E10_0:
case ARMMMUIdx_E10_1:
+ case ARMMMUIdx_E10_1_PAN:
case ARMMMUIdx_E20_0:
case ARMMMUIdx_E20_2:
+ case ARMMMUIdx_E20_2_PAN:
case ARMMMUIdx_SE10_0:
case ARMMMUIdx_SE10_1:
+ case ARMMMUIdx_SE10_1_PAN:
return true;
default:
return false;
@@ -861,10 +865,13 @@ static inline bool regime_is_secure(CPUARMState *env, ARMMMUIdx mmu_idx)
switch (mmu_idx) {
case ARMMMUIdx_E10_0:
case ARMMMUIdx_E10_1:
+ case ARMMMUIdx_E10_1_PAN:
case ARMMMUIdx_E20_0:
case ARMMMUIdx_E20_2:
+ case ARMMMUIdx_E20_2_PAN:
case ARMMMUIdx_Stage1_E0:
case ARMMMUIdx_Stage1_E1:
+ case ARMMMUIdx_Stage1_E1_PAN:
case ARMMMUIdx_E2:
case ARMMMUIdx_Stage2:
case ARMMMUIdx_MPrivNegPri:
@@ -875,6 +882,7 @@ static inline bool regime_is_secure(CPUARMState *env, ARMMMUIdx mmu_idx)
case ARMMMUIdx_SE3:
case ARMMMUIdx_SE10_0:
case ARMMMUIdx_SE10_1:
+ case ARMMMUIdx_SE10_1_PAN:
case ARMMMUIdx_MSPrivNegPri:
case ARMMMUIdx_MSUserNegPri:
case ARMMMUIdx_MSPriv:
@@ -1046,6 +1054,7 @@ static inline bool arm_mmu_idx_is_stage1_of_2(ARMMMUIdx mmu_idx)
switch (mmu_idx) {
case ARMMMUIdx_Stage1_E0:
case ARMMMUIdx_Stage1_E1:
+ case ARMMMUIdx_Stage1_E1_PAN:
return true;
default:
return false;
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 57dc7a307c0..bfd6c0d04bd 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -671,6 +671,7 @@ static void tlbiall_nsnh_write(CPUARMState *env, const ARMCPRegInfo *ri,
tlb_flush_by_mmuidx(cs,
ARMMMUIdxBit_E10_1 |
+ ARMMMUIdxBit_E10_1_PAN |
ARMMMUIdxBit_E10_0 |
ARMMMUIdxBit_Stage2);
}
@@ -682,6 +683,7 @@ static void tlbiall_nsnh_is_write(CPUARMState *env, const ARMCPRegInfo *ri,
tlb_flush_by_mmuidx_all_cpus_synced(cs,
ARMMMUIdxBit_E10_1 |
+ ARMMMUIdxBit_E10_1_PAN |
ARMMMUIdxBit_E10_0 |
ARMMMUIdxBit_Stage2);
}
@@ -2700,6 +2702,7 @@ static int gt_phys_redir_timeridx(CPUARMState *env)
switch (arm_mmu_idx(env)) {
case ARMMMUIdx_E20_0:
case ARMMMUIdx_E20_2:
+ case ARMMMUIdx_E20_2_PAN:
return GTIMER_HYP;
default:
return GTIMER_PHYS;
@@ -2711,6 +2714,7 @@ static int gt_virt_redir_timeridx(CPUARMState *env)
switch (arm_mmu_idx(env)) {
case ARMMMUIdx_E20_0:
case ARMMMUIdx_E20_2:
+ case ARMMMUIdx_E20_2_PAN:
return GTIMER_HYPVIRT;
default:
return GTIMER_VIRT;
@@ -3337,7 +3341,9 @@ static uint64_t do_ats_write(CPUARMState *env, uint64_t value,
format64 = arm_s1_regime_using_lpae_format(env, mmu_idx);
if (arm_feature(env, ARM_FEATURE_EL2)) {
- if (mmu_idx == ARMMMUIdx_E10_0 || mmu_idx == ARMMMUIdx_E10_1) {
+ if (mmu_idx == ARMMMUIdx_E10_0 ||
+ mmu_idx == ARMMMUIdx_E10_1 ||
+ mmu_idx == ARMMMUIdx_E10_1_PAN) {
format64 |= env->cp15.hcr_el2 & (HCR_VM | HCR_DC);
} else {
format64 |= arm_current_el(env) == 2;
@@ -3797,7 +3803,9 @@ static void vmsa_tcr_ttbr_el2_write(CPUARMState *env, const ARMCPRegInfo *ri,
if (extract64(raw_read(env, ri) ^ value, 48, 16) &&
(arm_hcr_el2_eff(env) & HCR_E2H)) {
tlb_flush_by_mmuidx(env_cpu(env),
- ARMMMUIdxBit_E20_2 | ARMMMUIdxBit_E20_0);
+ ARMMMUIdxBit_E20_2 |
+ ARMMMUIdxBit_E20_2_PAN |
+ ARMMMUIdxBit_E20_0);
}
raw_write(env, ri, value);
}
@@ -3815,6 +3823,7 @@ static void vttbr_write(CPUARMState *env, const ARMCPRegInfo *ri,
if (raw_read(env, ri) != value) {
tlb_flush_by_mmuidx(cs,
ARMMMUIdxBit_E10_1 |
+ ARMMMUIdxBit_E10_1_PAN |
ARMMMUIdxBit_E10_0 |
ARMMMUIdxBit_Stage2);
raw_write(env, ri, value);
@@ -4175,12 +4184,18 @@ static int vae1_tlbmask(CPUARMState *env)
{
/* Since we exclude secure first, we may read HCR_EL2 directly. */
if (arm_is_secure_below_el3(env)) {
- return ARMMMUIdxBit_SE10_1 | ARMMMUIdxBit_SE10_0;
+ return ARMMMUIdxBit_SE10_1 |
+ ARMMMUIdxBit_SE10_1_PAN |
+ ARMMMUIdxBit_SE10_0;
} else if ((env->cp15.hcr_el2 & (HCR_E2H | HCR_TGE))
== (HCR_E2H | HCR_TGE)) {
- return ARMMMUIdxBit_E20_2 | ARMMMUIdxBit_E20_0;
+ return ARMMMUIdxBit_E20_2 |
+ ARMMMUIdxBit_E20_2_PAN |
+ ARMMMUIdxBit_E20_0;
} else {
- return ARMMMUIdxBit_E10_1 | ARMMMUIdxBit_E10_0;
+ return ARMMMUIdxBit_E10_1 |
+ ARMMMUIdxBit_E10_1_PAN |
+ ARMMMUIdxBit_E10_0;
}
}
@@ -4214,18 +4229,28 @@ static int alle1_tlbmask(CPUARMState *env)
* stage 1 translations.
*/
if (arm_is_secure_below_el3(env)) {
- return ARMMMUIdxBit_SE10_1 | ARMMMUIdxBit_SE10_0;
+ return ARMMMUIdxBit_SE10_1 |
+ ARMMMUIdxBit_SE10_1_PAN |
+ ARMMMUIdxBit_SE10_0;
} else if (arm_feature(env, ARM_FEATURE_EL2)) {
- return ARMMMUIdxBit_E10_1 | ARMMMUIdxBit_E10_0 | ARMMMUIdxBit_Stage2;
+ return ARMMMUIdxBit_E10_1 |
+ ARMMMUIdxBit_E10_1_PAN |
+ ARMMMUIdxBit_E10_0 |
+ ARMMMUIdxBit_Stage2;
} else {
- return ARMMMUIdxBit_E10_1 | ARMMMUIdxBit_E10_0;
+ return ARMMMUIdxBit_E10_1 |
+ ARMMMUIdxBit_E10_1_PAN |
+ ARMMMUIdxBit_E10_0;
}
}
static int e2_tlbmask(CPUARMState *env)
{
/* TODO: ARMv8.4-SecEL2 */
- return ARMMMUIdxBit_E20_0 | ARMMMUIdxBit_E20_2 | ARMMMUIdxBit_E2;
+ return ARMMMUIdxBit_E20_0 |
+ ARMMMUIdxBit_E20_2 |
+ ARMMMUIdxBit_E20_2_PAN |
+ ARMMMUIdxBit_E2;
}
static void tlbi_aa64_alle1_write(CPUARMState *env, const ARMCPRegInfo *ri,
@@ -9206,6 +9231,7 @@ static uint32_t regime_el(CPUARMState *env, ARMMMUIdx mmu_idx)
switch (mmu_idx) {
case ARMMMUIdx_E20_0:
case ARMMMUIdx_E20_2:
+ case ARMMMUIdx_E20_2_PAN:
case ARMMMUIdx_Stage2:
case ARMMMUIdx_E2:
return 2;
@@ -9214,10 +9240,13 @@ static uint32_t regime_el(CPUARMState *env, ARMMMUIdx mmu_idx)
case ARMMMUIdx_SE10_0:
return arm_el_is_aa64(env, 3) ? 1 : 3;
case ARMMMUIdx_SE10_1:
+ case ARMMMUIdx_SE10_1_PAN:
case ARMMMUIdx_Stage1_E0:
case ARMMMUIdx_Stage1_E1:
+ case ARMMMUIdx_Stage1_E1_PAN:
case ARMMMUIdx_E10_0:
case ARMMMUIdx_E10_1:
+ case ARMMMUIdx_E10_1_PAN:
case ARMMMUIdx_MPrivNegPri:
case ARMMMUIdx_MUserNegPri:
case ARMMMUIdx_MPriv:
@@ -9333,6 +9362,8 @@ static inline ARMMMUIdx stage_1_mmu_idx(ARMMMUIdx mmu_idx)
return ARMMMUIdx_Stage1_E0;
case ARMMMUIdx_E10_1:
return ARMMMUIdx_Stage1_E1;
+ case ARMMMUIdx_E10_1_PAN:
+ return ARMMMUIdx_Stage1_E1_PAN;
default:
return mmu_idx;
}
@@ -9379,6 +9410,7 @@ static inline bool regime_is_user(CPUARMState *env, ARMMMUIdx mmu_idx)
return false;
case ARMMMUIdx_E10_0:
case ARMMMUIdx_E10_1:
+ case ARMMMUIdx_E10_1_PAN:
g_assert_not_reached();
}
}
@@ -11271,7 +11303,9 @@ bool get_phys_addr(CPUARMState *env, target_ulong address,
target_ulong *page_size,
ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs)
{
- if (mmu_idx == ARMMMUIdx_E10_0 || mmu_idx == ARMMMUIdx_E10_1) {
+ if (mmu_idx == ARMMMUIdx_E10_0 ||
+ mmu_idx == ARMMMUIdx_E10_1 ||
+ mmu_idx == ARMMMUIdx_E10_1_PAN) {
/* Call ourselves recursively to do the stage 1 and then stage 2
* translations.
*/
@@ -11798,10 +11832,13 @@ int arm_mmu_idx_to_el(ARMMMUIdx mmu_idx)
case ARMMMUIdx_SE10_0:
return 0;
case ARMMMUIdx_E10_1:
+ case ARMMMUIdx_E10_1_PAN:
case ARMMMUIdx_SE10_1:
+ case ARMMMUIdx_SE10_1_PAN:
return 1;
case ARMMMUIdx_E2:
case ARMMMUIdx_E20_2:
+ case ARMMMUIdx_E20_2_PAN:
return 2;
case ARMMMUIdx_SE3:
return 3;
@@ -12018,11 +12055,14 @@ static uint32_t rebuild_hflags_a64(CPUARMState *env, int el, int fp_el,
/* TODO: ARMv8.2-UAO */
switch (mmu_idx) {
case ARMMMUIdx_E10_1:
+ case ARMMMUIdx_E10_1_PAN:
case ARMMMUIdx_SE10_1:
+ case ARMMMUIdx_SE10_1_PAN:
/* TODO: ARMv8.3-NV */
flags = FIELD_DP32(flags, TBFLAG_A64, UNPRIV, 1);
break;
case ARMMMUIdx_E20_2:
+ case ARMMMUIdx_E20_2_PAN:
/* TODO: ARMv8.4-SecEL2 */
/*
* Note that E20_2 is gated by HCR_EL2.E2H == 1, but E20_0 is
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 6e82486884b..49631c23404 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -124,12 +124,15 @@ static int get_a64_user_mem_index(DisasContext *s)
*/
switch (useridx) {
case ARMMMUIdx_E10_1:
+ case ARMMMUIdx_E10_1_PAN:
useridx = ARMMMUIdx_E10_0;
break;
case ARMMMUIdx_E20_2:
+ case ARMMMUIdx_E20_2_PAN:
useridx = ARMMMUIdx_E20_0;
break;
case ARMMMUIdx_SE10_1:
+ case ARMMMUIdx_SE10_1_PAN:
useridx = ARMMMUIdx_SE10_0;
break;
default:
diff --git a/target/arm/translate.c b/target/arm/translate.c
index e11a5871d02..d58c328e08e 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -155,10 +155,12 @@ static inline int get_a32_user_mem_index(DisasContext *s)
case ARMMMUIdx_E2: /* this one is UNPREDICTABLE */
case ARMMMUIdx_E10_0:
case ARMMMUIdx_E10_1:
+ case ARMMMUIdx_E10_1_PAN:
return arm_to_core_mmu_idx(ARMMMUIdx_E10_0);
case ARMMMUIdx_SE3:
case ARMMMUIdx_SE10_0:
case ARMMMUIdx_SE10_1:
+ case ARMMMUIdx_SE10_1_PAN:
return arm_to_core_mmu_idx(ARMMMUIdx_SE10_0);
case ARMMMUIdx_MUser:
case ARMMMUIdx_MPriv:
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 12/46] target/arm: Add isar_feature tests for PAN + ATS1E1
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (10 preceding siblings ...)
2020-02-13 14:41 ` [PULL 11/46] target/arm: Add mmu_idx for EL1 and EL2 w/ PAN enabled Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 13/46] target/arm: Move LOR regdefs to file scope Peter Maydell
` (34 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Include definitions for all of the bits in ID_MMFR3.
We already have a definition for ID_AA64MMFR1.PAN.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.h | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index c63bceaaa5f..08b2f5d73e4 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1727,6 +1727,15 @@ FIELD(ID_ISAR6, FHM, 8, 4)
FIELD(ID_ISAR6, SB, 12, 4)
FIELD(ID_ISAR6, SPECRES, 16, 4)
+FIELD(ID_MMFR3, CMAINTVA, 0, 4)
+FIELD(ID_MMFR3, CMAINTSW, 4, 4)
+FIELD(ID_MMFR3, BPMAINT, 8, 4)
+FIELD(ID_MMFR3, MAINTBCST, 12, 4)
+FIELD(ID_MMFR3, PAN, 16, 4)
+FIELD(ID_MMFR3, COHWALK, 20, 4)
+FIELD(ID_MMFR3, CMEMSZ, 24, 4)
+FIELD(ID_MMFR3, SUPERSEC, 28, 4)
+
FIELD(ID_MMFR4, SPECSEI, 0, 4)
FIELD(ID_MMFR4, AC2, 4, 4)
FIELD(ID_MMFR4, XNX, 8, 4)
@@ -3443,6 +3452,16 @@ static inline bool isar_feature_aa32_vminmaxnm(const ARMISARegisters *id)
return FIELD_EX64(id->mvfr2, MVFR2, FPMISC) >= 4;
}
+static inline bool isar_feature_aa32_pan(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->mvfr0, ID_MMFR3, PAN) != 0;
+}
+
+static inline bool isar_feature_aa32_ats1e1(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->mvfr0, ID_MMFR3, PAN) >= 2;
+}
+
/*
* 64-bit feature tests via id registers.
*/
@@ -3602,6 +3621,16 @@ static inline bool isar_feature_aa64_lor(const ARMISARegisters *id)
return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, LO) != 0;
}
+static inline bool isar_feature_aa64_pan(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, PAN) != 0;
+}
+
+static inline bool isar_feature_aa64_ats1e1(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, PAN) >= 2;
+}
+
static inline bool isar_feature_aa64_bti(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, BT) != 0;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 13/46] target/arm: Move LOR regdefs to file scope
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (11 preceding siblings ...)
2020-02-13 14:41 ` [PULL 12/46] target/arm: Add isar_feature tests for PAN + ATS1E1 Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 14/46] target/arm: Split out aarch32_cpsr_valid_mask Peter Maydell
` (33 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
For static const regdefs, file scope is preferred.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.c | 57 +++++++++++++++++++++++----------------------
1 file changed, 29 insertions(+), 28 deletions(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index bfd6c0d04bd..e4f17c7e839 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6334,6 +6334,35 @@ static CPAccessResult access_lor_other(CPUARMState *env,
return access_lor_ns(env);
}
+/*
+ * A trivial implementation of ARMv8.1-LOR leaves all of these
+ * registers fixed at 0, which indicates that there are zero
+ * supported Limited Ordering regions.
+ */
+static const ARMCPRegInfo lor_reginfo[] = {
+ { .name = "LORSA_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 4, .opc2 = 0,
+ .access = PL1_RW, .accessfn = access_lor_other,
+ .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "LOREA_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 4, .opc2 = 1,
+ .access = PL1_RW, .accessfn = access_lor_other,
+ .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "LORN_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 4, .opc2 = 2,
+ .access = PL1_RW, .accessfn = access_lor_other,
+ .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "LORC_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 4, .opc2 = 3,
+ .access = PL1_RW, .accessfn = access_lor_other,
+ .type = ARM_CP_CONST, .resetvalue = 0 },
+ { .name = "LORID_EL1", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 4, .opc2 = 7,
+ .access = PL1_R, .accessfn = access_lorid,
+ .type = ARM_CP_CONST, .resetvalue = 0 },
+ REGINFO_SENTINEL
+};
+
#ifdef TARGET_AARCH64
static CPAccessResult access_pauth(CPUARMState *env, const ARMCPRegInfo *ri,
bool isread)
@@ -7568,34 +7597,6 @@ void register_cp_regs_for_features(ARMCPU *cpu)
}
if (cpu_isar_feature(aa64_lor, cpu)) {
- /*
- * A trivial implementation of ARMv8.1-LOR leaves all of these
- * registers fixed at 0, which indicates that there are zero
- * supported Limited Ordering regions.
- */
- static const ARMCPRegInfo lor_reginfo[] = {
- { .name = "LORSA_EL1", .state = ARM_CP_STATE_AA64,
- .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 4, .opc2 = 0,
- .access = PL1_RW, .accessfn = access_lor_other,
- .type = ARM_CP_CONST, .resetvalue = 0 },
- { .name = "LOREA_EL1", .state = ARM_CP_STATE_AA64,
- .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 4, .opc2 = 1,
- .access = PL1_RW, .accessfn = access_lor_other,
- .type = ARM_CP_CONST, .resetvalue = 0 },
- { .name = "LORN_EL1", .state = ARM_CP_STATE_AA64,
- .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 4, .opc2 = 2,
- .access = PL1_RW, .accessfn = access_lor_other,
- .type = ARM_CP_CONST, .resetvalue = 0 },
- { .name = "LORC_EL1", .state = ARM_CP_STATE_AA64,
- .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 4, .opc2 = 3,
- .access = PL1_RW, .accessfn = access_lor_other,
- .type = ARM_CP_CONST, .resetvalue = 0 },
- { .name = "LORID_EL1", .state = ARM_CP_STATE_AA64,
- .opc0 = 3, .opc1 = 0, .crn = 10, .crm = 4, .opc2 = 7,
- .access = PL1_R, .accessfn = access_lorid,
- .type = ARM_CP_CONST, .resetvalue = 0 },
- REGINFO_SENTINEL
- };
define_arm_cp_regs(cpu, lor_reginfo);
}
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 14/46] target/arm: Split out aarch32_cpsr_valid_mask
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (12 preceding siblings ...)
2020-02-13 14:41 ` [PULL 13/46] target/arm: Move LOR regdefs to file scope Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 15/46] target/arm: Mask CPSR_J when Jazelle is not enabled Peter Maydell
` (32 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Split this helper out of msr_mask in translate.c. At the same time,
transform the negative reductive logic to positive accumulative logic.
It will be usable along the exception paths.
While touching msr_mask, fix up formatting.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200208125816.14954-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/internals.h | 21 +++++++++++++++++++++
target/arm/translate.c | 40 +++++++++++++++++-----------------------
2 files changed, 38 insertions(+), 23 deletions(-)
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 6be8b2d1a9b..4d4896fcdcf 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1061,6 +1061,27 @@ static inline bool arm_mmu_idx_is_stage1_of_2(ARMMMUIdx mmu_idx)
}
}
+static inline uint32_t aarch32_cpsr_valid_mask(uint64_t features,
+ const ARMISARegisters *id)
+{
+ uint32_t valid = CPSR_M | CPSR_AIF | CPSR_IL | CPSR_NZCV | CPSR_J;
+
+ if ((features >> ARM_FEATURE_V4T) & 1) {
+ valid |= CPSR_T;
+ }
+ if ((features >> ARM_FEATURE_V5) & 1) {
+ valid |= CPSR_Q; /* V5TE in reality*/
+ }
+ if ((features >> ARM_FEATURE_V6) & 1) {
+ valid |= CPSR_E | CPSR_GE;
+ }
+ if ((features >> ARM_FEATURE_THUMB2) & 1) {
+ valid |= CPSR_IT;
+ }
+
+ return valid;
+}
+
/*
* Parameters of a given virtual address, as extracted from the
* translation control register (TCR) for a given regime.
diff --git a/target/arm/translate.c b/target/arm/translate.c
index d58c328e08e..20f89ace2fd 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -2734,39 +2734,33 @@ static inline void gen_mulxy(TCGv_i32 t0, TCGv_i32 t1, int x, int y)
/* Return the mask of PSR bits set by a MSR instruction. */
static uint32_t msr_mask(DisasContext *s, int flags, int spsr)
{
- uint32_t mask;
+ uint32_t mask = 0;
- mask = 0;
- if (flags & (1 << 0))
+ if (flags & (1 << 0)) {
mask |= 0xff;
- if (flags & (1 << 1))
+ }
+ if (flags & (1 << 1)) {
mask |= 0xff00;
- if (flags & (1 << 2))
+ }
+ if (flags & (1 << 2)) {
mask |= 0xff0000;
- if (flags & (1 << 3))
+ }
+ if (flags & (1 << 3)) {
mask |= 0xff000000;
+ }
- /* Mask out undefined bits. */
- mask &= ~CPSR_RESERVED;
- if (!arm_dc_feature(s, ARM_FEATURE_V4T)) {
- mask &= ~CPSR_T;
- }
- if (!arm_dc_feature(s, ARM_FEATURE_V5)) {
- mask &= ~CPSR_Q; /* V5TE in reality*/
- }
- if (!arm_dc_feature(s, ARM_FEATURE_V6)) {
- mask &= ~(CPSR_E | CPSR_GE);
- }
- if (!arm_dc_feature(s, ARM_FEATURE_THUMB2)) {
- mask &= ~CPSR_IT;
- }
- /* Mask out execution state and reserved bits. */
+ /* Mask out undefined and reserved bits. */
+ mask &= aarch32_cpsr_valid_mask(s->features, s->isar);
+
+ /* Mask out execution state. */
if (!spsr) {
- mask &= ~(CPSR_EXEC | CPSR_RESERVED);
+ mask &= ~CPSR_EXEC;
}
+
/* Mask out privileged bits. */
- if (IS_USER(s))
+ if (IS_USER(s)) {
mask &= CPSR_USER;
+ }
return mask;
}
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 15/46] target/arm: Mask CPSR_J when Jazelle is not enabled
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (13 preceding siblings ...)
2020-02-13 14:41 ` [PULL 14/46] target/arm: Split out aarch32_cpsr_valid_mask Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 16/46] target/arm: Replace CPSR_ERET_MASK with aarch32_cpsr_valid_mask Peter Maydell
` (31 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
The J bit signals Jazelle mode, and so of course is RES0
when the feature is not enabled.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200208125816.14954-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/internals.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 4d4896fcdcf..0569c96fd94 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1064,7 +1064,7 @@ static inline bool arm_mmu_idx_is_stage1_of_2(ARMMMUIdx mmu_idx)
static inline uint32_t aarch32_cpsr_valid_mask(uint64_t features,
const ARMISARegisters *id)
{
- uint32_t valid = CPSR_M | CPSR_AIF | CPSR_IL | CPSR_NZCV | CPSR_J;
+ uint32_t valid = CPSR_M | CPSR_AIF | CPSR_IL | CPSR_NZCV;
if ((features >> ARM_FEATURE_V4T) & 1) {
valid |= CPSR_T;
@@ -1078,6 +1078,9 @@ static inline uint32_t aarch32_cpsr_valid_mask(uint64_t features,
if ((features >> ARM_FEATURE_THUMB2) & 1) {
valid |= CPSR_IT;
}
+ if (isar_feature_jazelle(id)) {
+ valid |= CPSR_J;
+ }
return valid;
}
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 16/46] target/arm: Replace CPSR_ERET_MASK with aarch32_cpsr_valid_mask
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (14 preceding siblings ...)
2020-02-13 14:41 ` [PULL 15/46] target/arm: Mask CPSR_J when Jazelle is not enabled Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 17/46] target/arm: Use aarch32_cpsr_valid_mask in helper_exception_return Peter Maydell
` (30 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
CPSR_ERET_MASK was a useless renaming of CPSR_RESERVED.
The function also takes into account bits that the cpu
does not support.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.h | 2 --
target/arm/op_helper.c | 5 ++++-
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 08b2f5d73e4..694b0742983 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1209,8 +1209,6 @@ void pmu_init(ARMCPU *cpu);
#define CPSR_USER (CPSR_NZCV | CPSR_Q | CPSR_GE)
/* Execution state bits. MRS read as zero, MSR writes ignored. */
#define CPSR_EXEC (CPSR_T | CPSR_IT | CPSR_J | CPSR_IL)
-/* Mask of bits which may be set by exception return copying them from SPSR */
-#define CPSR_ERET_MASK (~CPSR_RESERVED)
/* Bit definitions for M profile XPSR. Most are the same as CPSR. */
#define XPSR_EXCP 0x1ffU
diff --git a/target/arm/op_helper.c b/target/arm/op_helper.c
index 27d16ad9ad9..acf1815ea3e 100644
--- a/target/arm/op_helper.c
+++ b/target/arm/op_helper.c
@@ -400,11 +400,14 @@ void HELPER(cpsr_write)(CPUARMState *env, uint32_t val, uint32_t mask)
/* Write the CPSR for a 32-bit exception return */
void HELPER(cpsr_write_eret)(CPUARMState *env, uint32_t val)
{
+ uint32_t mask;
+
qemu_mutex_lock_iothread();
arm_call_pre_el_change_hook(env_archcpu(env));
qemu_mutex_unlock_iothread();
- cpsr_write(env, val, CPSR_ERET_MASK, CPSRWriteExceptionReturn);
+ mask = aarch32_cpsr_valid_mask(env->features, &env_archcpu(env)->isar);
+ cpsr_write(env, val, mask, CPSRWriteExceptionReturn);
/* Generated code has already stored the new PC value, but
* without masking out its low bits, because which bits need
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 17/46] target/arm: Use aarch32_cpsr_valid_mask in helper_exception_return
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (15 preceding siblings ...)
2020-02-13 14:41 ` [PULL 16/46] target/arm: Replace CPSR_ERET_MASK with aarch32_cpsr_valid_mask Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 18/46] target/arm: Remove CPSR_RESERVED Peter Maydell
` (29 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Using ~0 as the mask on the aarch64->aarch32 exception return
was not even as correct as the CPSR_ERET_MASK that we had used
on the aarch32->aarch32 exception return.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper-a64.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/target/arm/helper-a64.c b/target/arm/helper-a64.c
index bf45f8a785e..0c9feba3929 100644
--- a/target/arm/helper-a64.c
+++ b/target/arm/helper-a64.c
@@ -959,7 +959,7 @@ void HELPER(exception_return)(CPUARMState *env, uint64_t new_pc)
{
int cur_el = arm_current_el(env);
unsigned int spsr_idx = aarch64_banked_spsr_index(cur_el);
- uint32_t spsr = env->banked_spsr[spsr_idx];
+ uint32_t mask, spsr = env->banked_spsr[spsr_idx];
int new_el;
bool return_to_aa64 = (spsr & PSTATE_nRW) == 0;
@@ -1014,7 +1014,8 @@ void HELPER(exception_return)(CPUARMState *env, uint64_t new_pc)
* will sort the register banks out for us, and we've already
* caught all the bad-mode cases in el_from_spsr().
*/
- cpsr_write(env, spsr, ~0, CPSRWriteRaw);
+ mask = aarch32_cpsr_valid_mask(env->features, &env_archcpu(env)->isar);
+ cpsr_write(env, spsr, mask, CPSRWriteRaw);
if (!arm_singlestep_active(env)) {
env->uncached_cpsr &= ~PSTATE_SS;
}
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 18/46] target/arm: Remove CPSR_RESERVED
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (16 preceding siblings ...)
2020-02-13 14:41 ` [PULL 17/46] target/arm: Use aarch32_cpsr_valid_mask in helper_exception_return Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 19/46] target/arm: Introduce aarch64_pstate_valid_mask Peter Maydell
` (28 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
The only remaining use was in op_helper.c. Use PSTATE_SS
directly, and move the commentary so that it is more obvious
what is going on.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200208125816.14954-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.h | 6 ------
target/arm/op_helper.c | 9 ++++++++-
2 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 694b0742983..c6dff1d55b6 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1186,12 +1186,6 @@ void pmu_init(ARMCPU *cpu);
#define CPSR_IT_2_7 (0xfc00U)
#define CPSR_GE (0xfU << 16)
#define CPSR_IL (1U << 20)
-/* Note that the RESERVED bits include bit 21, which is PSTATE_SS in
- * an AArch64 SPSR but RES0 in AArch32 SPSR and CPSR. In QEMU we use
- * env->uncached_cpsr bit 21 to store PSTATE.SS when executing in AArch32,
- * where it is live state but not accessible to the AArch32 code.
- */
-#define CPSR_RESERVED (0x7U << 21)
#define CPSR_J (1U << 24)
#define CPSR_IT_0_1 (3U << 25)
#define CPSR_Q (1U << 27)
diff --git a/target/arm/op_helper.c b/target/arm/op_helper.c
index acf1815ea3e..af3020b78f8 100644
--- a/target/arm/op_helper.c
+++ b/target/arm/op_helper.c
@@ -387,7 +387,14 @@ void HELPER(exception_bkpt_insn)(CPUARMState *env, uint32_t syndrome)
uint32_t HELPER(cpsr_read)(CPUARMState *env)
{
- return cpsr_read(env) & ~(CPSR_EXEC | CPSR_RESERVED);
+ /*
+ * We store the ARMv8 PSTATE.SS bit in env->uncached_cpsr.
+ * This is convenient for populating SPSR_ELx, but must be
+ * hidden from aarch32 mode, where it is not visible.
+ *
+ * TODO: ARMv8.4-DIT -- need to move SS somewhere else.
+ */
+ return cpsr_read(env) & ~(CPSR_EXEC | PSTATE_SS);
}
void HELPER(cpsr_write)(CPUARMState *env, uint32_t val, uint32_t mask)
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 19/46] target/arm: Introduce aarch64_pstate_valid_mask
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (17 preceding siblings ...)
2020-02-13 14:41 ` [PULL 18/46] target/arm: Remove CPSR_RESERVED Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 20/46] target/arm: Update MSR access for PAN Peter Maydell
` (27 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Use this along the exception return path, where we previously
accepted any values.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/internals.h | 12 ++++++++++++
target/arm/helper-a64.c | 1 +
2 files changed, 13 insertions(+)
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 0569c96fd94..034d98ad538 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1085,6 +1085,18 @@ static inline uint32_t aarch32_cpsr_valid_mask(uint64_t features,
return valid;
}
+static inline uint32_t aarch64_pstate_valid_mask(const ARMISARegisters *id)
+{
+ uint32_t valid;
+
+ valid = PSTATE_M | PSTATE_DAIF | PSTATE_IL | PSTATE_SS | PSTATE_NZCV;
+ if (isar_feature_aa64_bti(id)) {
+ valid |= PSTATE_BTYPE;
+ }
+
+ return valid;
+}
+
/*
* Parameters of a given virtual address, as extracted from the
* translation control register (TCR) for a given regime.
diff --git a/target/arm/helper-a64.c b/target/arm/helper-a64.c
index 0c9feba3929..509ae930698 100644
--- a/target/arm/helper-a64.c
+++ b/target/arm/helper-a64.c
@@ -1032,6 +1032,7 @@ void HELPER(exception_return)(CPUARMState *env, uint64_t new_pc)
cur_el, new_el, env->regs[15]);
} else {
env->aarch64 = 1;
+ spsr &= aarch64_pstate_valid_mask(&env_archcpu(env)->isar);
pstate_write(env, spsr);
if (!arm_singlestep_active(env)) {
env->pstate &= ~PSTATE_SS;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 20/46] target/arm: Update MSR access for PAN
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (18 preceding siblings ...)
2020-02-13 14:41 ` [PULL 19/46] target/arm: Introduce aarch64_pstate_valid_mask Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 21/46] target/arm: Update arm_mmu_idx_el " Peter Maydell
` (26 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
For aarch64, there's a dedicated msr (imm, reg) insn.
For aarch32, this is done via msr to cpsr. Writes from el0
are ignored, which is already handled by the CPSR_USER mask.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.h | 2 ++
target/arm/internals.h | 6 ++++++
target/arm/helper.c | 21 +++++++++++++++++++++
target/arm/translate-a64.c | 14 ++++++++++++++
4 files changed, 43 insertions(+)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index c6dff1d55b6..65a0ef8cd6b 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1186,6 +1186,7 @@ void pmu_init(ARMCPU *cpu);
#define CPSR_IT_2_7 (0xfc00U)
#define CPSR_GE (0xfU << 16)
#define CPSR_IL (1U << 20)
+#define CPSR_PAN (1U << 22)
#define CPSR_J (1U << 24)
#define CPSR_IT_0_1 (3U << 25)
#define CPSR_Q (1U << 27)
@@ -1250,6 +1251,7 @@ void pmu_init(ARMCPU *cpu);
#define PSTATE_BTYPE (3U << 10)
#define PSTATE_IL (1U << 20)
#define PSTATE_SS (1U << 21)
+#define PSTATE_PAN (1U << 22)
#define PSTATE_V (1U << 28)
#define PSTATE_C (1U << 29)
#define PSTATE_Z (1U << 30)
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 034d98ad538..f6709a2b08d 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1081,6 +1081,9 @@ static inline uint32_t aarch32_cpsr_valid_mask(uint64_t features,
if (isar_feature_jazelle(id)) {
valid |= CPSR_J;
}
+ if (isar_feature_aa32_pan(id)) {
+ valid |= CPSR_PAN;
+ }
return valid;
}
@@ -1093,6 +1096,9 @@ static inline uint32_t aarch64_pstate_valid_mask(const ARMISARegisters *id)
if (isar_feature_aa64_bti(id)) {
valid |= PSTATE_BTYPE;
}
+ if (isar_feature_aa64_pan(id)) {
+ valid |= PSTATE_PAN;
+ }
return valid;
}
diff --git a/target/arm/helper.c b/target/arm/helper.c
index e4f17c7e839..058fb239592 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -4163,6 +4163,24 @@ static void aa64_daif_write(CPUARMState *env, const ARMCPRegInfo *ri,
env->daif = value & PSTATE_DAIF;
}
+static uint64_t aa64_pan_read(CPUARMState *env, const ARMCPRegInfo *ri)
+{
+ return env->pstate & PSTATE_PAN;
+}
+
+static void aa64_pan_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ env->pstate = (env->pstate & ~PSTATE_PAN) | (value & PSTATE_PAN);
+}
+
+static const ARMCPRegInfo pan_reginfo = {
+ .name = "PAN", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 0, .crn = 4, .crm = 2, .opc2 = 3,
+ .type = ARM_CP_NO_RAW, .access = PL1_RW,
+ .readfn = aa64_pan_read, .writefn = aa64_pan_write
+};
+
static CPAccessResult aa64_cacheop_access(CPUARMState *env,
const ARMCPRegInfo *ri,
bool isread)
@@ -7599,6 +7617,9 @@ void register_cp_regs_for_features(ARMCPU *cpu)
if (cpu_isar_feature(aa64_lor, cpu)) {
define_arm_cp_regs(cpu, lor_reginfo);
}
+ if (cpu_isar_feature(aa64_pan, cpu)) {
+ define_one_arm_cp_reg(cpu, &pan_reginfo);
+ }
if (arm_feature(env, ARM_FEATURE_EL2) && cpu_isar_feature(aa64_vh, cpu)) {
define_arm_cp_regs(cpu, vhe_reginfo);
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 49631c23404..d8ba240a155 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -1602,6 +1602,20 @@ static void handle_msr_i(DisasContext *s, uint32_t insn,
s->base.is_jmp = DISAS_NEXT;
break;
+ case 0x04: /* PAN */
+ if (!dc_isar_feature(aa64_pan, s) || s->current_el == 0) {
+ goto do_unallocated;
+ }
+ if (crm & 1) {
+ set_pstate_bits(PSTATE_PAN);
+ } else {
+ clear_pstate_bits(PSTATE_PAN);
+ }
+ t1 = tcg_const_i32(s->current_el);
+ gen_helper_rebuild_hflags_a64(cpu_env, t1);
+ tcg_temp_free_i32(t1);
+ break;
+
case 0x05: /* SPSel */
if (s->current_el == 0) {
goto do_unallocated;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 21/46] target/arm: Update arm_mmu_idx_el for PAN
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (19 preceding siblings ...)
2020-02-13 14:41 ` [PULL 20/46] target/arm: Update MSR access for PAN Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 22/46] target/arm: Enforce PAN semantics in get_S1prot Peter Maydell
` (25 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Examine the PAN bit for EL1, EL2, and Secure EL1 to
determine if it applies.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-13-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 058fb239592..f6a600aa004 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -11895,13 +11895,22 @@ ARMMMUIdx arm_mmu_idx_el(CPUARMState *env, int el)
return ARMMMUIdx_E10_0;
case 1:
if (arm_is_secure_below_el3(env)) {
+ if (env->pstate & PSTATE_PAN) {
+ return ARMMMUIdx_SE10_1_PAN;
+ }
return ARMMMUIdx_SE10_1;
}
+ if (env->pstate & PSTATE_PAN) {
+ return ARMMMUIdx_E10_1_PAN;
+ }
return ARMMMUIdx_E10_1;
case 2:
/* TODO: ARMv8.4-SecEL2 */
/* Note that TGE does not apply at EL2. */
if ((env->cp15.hcr_el2 & HCR_E2H) && arm_el_is_aa64(env, 2)) {
+ if (env->pstate & PSTATE_PAN) {
+ return ARMMMUIdx_E20_2_PAN;
+ }
return ARMMMUIdx_E20_2;
}
return ARMMMUIdx_E2;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 22/46] target/arm: Enforce PAN semantics in get_S1prot
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (20 preceding siblings ...)
2020-02-13 14:41 ` [PULL 21/46] target/arm: Update arm_mmu_idx_el " Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 23/46] target/arm: Set PAN bit as required on exception entry Peter Maydell
` (24 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
If we have a PAN-enforcing mmu_idx, set prot == 0 if user_rw != 0.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-14-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/internals.h | 13 +++++++++++++
target/arm/helper.c | 3 +++
2 files changed, 16 insertions(+)
diff --git a/target/arm/internals.h b/target/arm/internals.h
index f6709a2b08d..4a139644b54 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -893,6 +893,19 @@ static inline bool regime_is_secure(CPUARMState *env, ARMMMUIdx mmu_idx)
}
}
+static inline bool regime_is_pan(CPUARMState *env, ARMMMUIdx mmu_idx)
+{
+ switch (mmu_idx) {
+ case ARMMMUIdx_Stage1_E1_PAN:
+ case ARMMMUIdx_E10_1_PAN:
+ case ARMMMUIdx_E20_2_PAN:
+ case ARMMMUIdx_SE10_1_PAN:
+ return true;
+ default:
+ return false;
+ }
+}
+
/* Return the FSR value for a debug exception (watchpoint, hardware
* breakpoint or BKPT insn) targeting the specified exception level.
*/
diff --git a/target/arm/helper.c b/target/arm/helper.c
index f6a600aa004..178757d2719 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -9569,6 +9569,9 @@ static int get_S1prot(CPUARMState *env, ARMMMUIdx mmu_idx, bool is_aa64,
if (is_user) {
prot_rw = user_rw;
} else {
+ if (user_rw && regime_is_pan(env, mmu_idx)) {
+ return 0;
+ }
prot_rw = simple_ap_to_rw_prot_is_user(ap, false);
}
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 23/46] target/arm: Set PAN bit as required on exception entry
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (21 preceding siblings ...)
2020-02-13 14:41 ` [PULL 22/46] target/arm: Enforce PAN semantics in get_S1prot Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 24/46] target/arm: Implement ATS1E1 system registers Peter Maydell
` (23 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
The PAN bit is preserved, or set as per SCTLR_ELx.SPAN,
plus several other conditions listed in the ARM ARM.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200208125816.14954-15-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.c | 53 ++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 50 insertions(+), 3 deletions(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 178757d2719..de16ce79add 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -8763,8 +8763,12 @@ static void take_aarch32_exception(CPUARMState *env, int new_mode,
uint32_t mask, uint32_t offset,
uint32_t newpc)
{
+ int new_el;
+
/* Change the CPU state so as to actually take the exception. */
switch_mode(env, new_mode);
+ new_el = arm_current_el(env);
+
/*
* For exceptions taken to AArch32 we must clear the SS bit in both
* PSTATE and in the old-state value we save to SPSR_<mode>, so zero it now.
@@ -8777,7 +8781,7 @@ static void take_aarch32_exception(CPUARMState *env, int new_mode,
env->uncached_cpsr = (env->uncached_cpsr & ~CPSR_M) | new_mode;
/* Set new mode endianness */
env->uncached_cpsr &= ~CPSR_E;
- if (env->cp15.sctlr_el[arm_current_el(env)] & SCTLR_EE) {
+ if (env->cp15.sctlr_el[new_el] & SCTLR_EE) {
env->uncached_cpsr |= CPSR_E;
}
/* J and IL must always be cleared for exception entry */
@@ -8788,6 +8792,25 @@ static void take_aarch32_exception(CPUARMState *env, int new_mode,
env->thumb = (env->cp15.sctlr_el[2] & SCTLR_TE) != 0;
env->elr_el[2] = env->regs[15];
} else {
+ /* CPSR.PAN is normally preserved preserved unless... */
+ if (cpu_isar_feature(aa64_pan, env_archcpu(env))) {
+ switch (new_el) {
+ case 3:
+ if (!arm_is_secure_below_el3(env)) {
+ /* ... the target is EL3, from non-secure state. */
+ env->uncached_cpsr &= ~CPSR_PAN;
+ break;
+ }
+ /* ... the target is EL3, from secure state ... */
+ /* fall through */
+ case 1:
+ /* ... the target is EL1 and SCTLR.SPAN is 0. */
+ if (!(env->cp15.sctlr_el[new_el] & SCTLR_SPAN)) {
+ env->uncached_cpsr |= CPSR_PAN;
+ }
+ break;
+ }
+ }
/*
* this is a lie, as there was no c1_sys on V4T/V5, but who cares
* and we should just guard the thumb mode on V4
@@ -9050,6 +9073,7 @@ static void arm_cpu_do_interrupt_aarch64(CPUState *cs)
unsigned int new_el = env->exception.target_el;
target_ulong addr = env->cp15.vbar_el[new_el];
unsigned int new_mode = aarch64_pstate_mode(new_el, true);
+ unsigned int old_mode;
unsigned int cur_el = arm_current_el(env);
/*
@@ -9129,20 +9153,43 @@ static void arm_cpu_do_interrupt_aarch64(CPUState *cs)
}
if (is_a64(env)) {
- env->banked_spsr[aarch64_banked_spsr_index(new_el)] = pstate_read(env);
+ old_mode = pstate_read(env);
aarch64_save_sp(env, arm_current_el(env));
env->elr_el[new_el] = env->pc;
} else {
- env->banked_spsr[aarch64_banked_spsr_index(new_el)] = cpsr_read(env);
+ old_mode = cpsr_read(env);
env->elr_el[new_el] = env->regs[15];
aarch64_sync_32_to_64(env);
env->condexec_bits = 0;
}
+ env->banked_spsr[aarch64_banked_spsr_index(new_el)] = old_mode;
+
qemu_log_mask(CPU_LOG_INT, "...with ELR 0x%" PRIx64 "\n",
env->elr_el[new_el]);
+ if (cpu_isar_feature(aa64_pan, cpu)) {
+ /* The value of PSTATE.PAN is normally preserved, except when ... */
+ new_mode |= old_mode & PSTATE_PAN;
+ switch (new_el) {
+ case 2:
+ /* ... the target is EL2 with HCR_EL2.{E2H,TGE} == '11' ... */
+ if ((arm_hcr_el2_eff(env) & (HCR_E2H | HCR_TGE))
+ != (HCR_E2H | HCR_TGE)) {
+ break;
+ }
+ /* fall through */
+ case 1:
+ /* ... the target is EL1 ... */
+ /* ... and SCTLR_ELx.SPAN == 0, then set to 1. */
+ if ((env->cp15.sctlr_el[new_el] & SCTLR_SPAN) == 0) {
+ new_mode |= PSTATE_PAN;
+ }
+ break;
+ }
+ }
+
pstate_write(env, PSTATE_DAIF | new_mode);
env->aarch64 = 1;
aarch64_restore_sp(env, new_el);
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 24/46] target/arm: Implement ATS1E1 system registers
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (22 preceding siblings ...)
2020-02-13 14:41 ` [PULL 23/46] target/arm: Set PAN bit as required on exception entry Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 25/46] target/arm: Enable ARMv8.2-ATS1E1 in -cpu max Peter Maydell
` (22 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
This is a minor enhancement over ARMv8.1-PAN.
The *_PAN mmu_idx are used with the existing do_ats_write.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-16-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.c | 56 ++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 50 insertions(+), 6 deletions(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index de16ce79add..d99661d4ea5 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -3409,16 +3409,21 @@ static void ats_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value)
switch (ri->opc2 & 6) {
case 0:
- /* stage 1 current state PL1: ATS1CPR, ATS1CPW */
+ /* stage 1 current state PL1: ATS1CPR, ATS1CPW, ATS1CPRP, ATS1CPWP */
switch (el) {
case 3:
mmu_idx = ARMMMUIdx_SE3;
break;
case 2:
- mmu_idx = ARMMMUIdx_Stage1_E1;
- break;
+ g_assert(!secure); /* TODO: ARMv8.4-SecEL2 */
+ /* fall through */
case 1:
- mmu_idx = secure ? ARMMMUIdx_SE10_1 : ARMMMUIdx_Stage1_E1;
+ if (ri->crm == 9 && (env->uncached_cpsr & CPSR_PAN)) {
+ mmu_idx = (secure ? ARMMMUIdx_SE10_1_PAN
+ : ARMMMUIdx_Stage1_E1_PAN);
+ } else {
+ mmu_idx = secure ? ARMMMUIdx_SE10_1 : ARMMMUIdx_Stage1_E1;
+ }
break;
default:
g_assert_not_reached();
@@ -3487,8 +3492,13 @@ static void ats_write64(CPUARMState *env, const ARMCPRegInfo *ri,
switch (ri->opc2 & 6) {
case 0:
switch (ri->opc1) {
- case 0: /* AT S1E1R, AT S1E1W */
- mmu_idx = secure ? ARMMMUIdx_SE10_1 : ARMMMUIdx_Stage1_E1;
+ case 0: /* AT S1E1R, AT S1E1W, AT S1E1RP, AT S1E1WP */
+ if (ri->crm == 9 && (env->pstate & PSTATE_PAN)) {
+ mmu_idx = (secure ? ARMMMUIdx_SE10_1_PAN
+ : ARMMMUIdx_Stage1_E1_PAN);
+ } else {
+ mmu_idx = secure ? ARMMMUIdx_SE10_1 : ARMMMUIdx_Stage1_E1;
+ }
break;
case 4: /* AT S1E2R, AT S1E2W */
mmu_idx = ARMMMUIdx_E2;
@@ -6683,6 +6693,32 @@ static const ARMCPRegInfo vhe_reginfo[] = {
REGINFO_SENTINEL
};
+#ifndef CONFIG_USER_ONLY
+static const ARMCPRegInfo ats1e1_reginfo[] = {
+ { .name = "AT_S1E1R", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 9, .opc2 = 0,
+ .access = PL1_W, .type = ARM_CP_NO_RAW | ARM_CP_RAISES_EXC,
+ .writefn = ats_write64 },
+ { .name = "AT_S1E1W", .state = ARM_CP_STATE_AA64,
+ .opc0 = 1, .opc1 = 0, .crn = 7, .crm = 9, .opc2 = 1,
+ .access = PL1_W, .type = ARM_CP_NO_RAW | ARM_CP_RAISES_EXC,
+ .writefn = ats_write64 },
+ REGINFO_SENTINEL
+};
+
+static const ARMCPRegInfo ats1cp_reginfo[] = {
+ { .name = "ATS1CPRP",
+ .cp = 15, .opc1 = 0, .crn = 7, .crm = 9, .opc2 = 0,
+ .access = PL1_W, .type = ARM_CP_NO_RAW | ARM_CP_RAISES_EXC,
+ .writefn = ats_write },
+ { .name = "ATS1CPWP",
+ .cp = 15, .opc1 = 0, .crn = 7, .crm = 9, .opc2 = 1,
+ .access = PL1_W, .type = ARM_CP_NO_RAW | ARM_CP_RAISES_EXC,
+ .writefn = ats_write },
+ REGINFO_SENTINEL
+};
+#endif
+
void register_cp_regs_for_features(ARMCPU *cpu)
{
/* Register all the coprocessor registers based on feature bits */
@@ -7620,6 +7656,14 @@ void register_cp_regs_for_features(ARMCPU *cpu)
if (cpu_isar_feature(aa64_pan, cpu)) {
define_one_arm_cp_reg(cpu, &pan_reginfo);
}
+#ifndef CONFIG_USER_ONLY
+ if (cpu_isar_feature(aa64_ats1e1, cpu)) {
+ define_arm_cp_regs(cpu, ats1e1_reginfo);
+ }
+ if (cpu_isar_feature(aa32_ats1e1, cpu)) {
+ define_arm_cp_regs(cpu, ats1cp_reginfo);
+ }
+#endif
if (arm_feature(env, ARM_FEATURE_EL2) && cpu_isar_feature(aa64_vh, cpu)) {
define_arm_cp_regs(cpu, vhe_reginfo);
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 25/46] target/arm: Enable ARMv8.2-ATS1E1 in -cpu max
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (23 preceding siblings ...)
2020-02-13 14:41 ` [PULL 24/46] target/arm: Implement ATS1E1 system registers Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 26/46] target/arm: Add ID_AA64MMFR2_EL1 Peter Maydell
` (21 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
This includes enablement of ARMv8.1-PAN.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-17-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.c | 4 ++++
target/arm/cpu64.c | 5 +++++
2 files changed, 9 insertions(+)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index b0762a76c4b..de733aceeb8 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2709,6 +2709,10 @@ static void arm_max_initfn(Object *obj)
t = FIELD_DP32(t, MVFR2, FPMISC, 4); /* FP MaxNum */
cpu->isar.mvfr2 = t;
+ t = cpu->id_mmfr3;
+ t = FIELD_DP32(t, ID_MMFR3, PAN, 2); /* ATS1E1 */
+ cpu->id_mmfr3 = t;
+
t = cpu->id_mmfr4;
t = FIELD_DP32(t, ID_MMFR4, HPDS, 1); /* AA32HPD */
cpu->id_mmfr4 = t;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index c80fb5fd438..57fbc5eade7 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -673,6 +673,7 @@ static void aarch64_max_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64MMFR1, HPDS, 1); /* HPD */
t = FIELD_DP64(t, ID_AA64MMFR1, LO, 1);
t = FIELD_DP64(t, ID_AA64MMFR1, VH, 1);
+ t = FIELD_DP64(t, ID_AA64MMFR1, PAN, 2); /* ATS1E1 */
cpu->isar.id_aa64mmfr1 = t;
/* Replicate the same data to the 32-bit id registers. */
@@ -693,6 +694,10 @@ static void aarch64_max_initfn(Object *obj)
u = FIELD_DP32(u, ID_ISAR6, SPECRES, 1);
cpu->isar.id_isar6 = u;
+ u = cpu->id_mmfr3;
+ u = FIELD_DP32(u, ID_MMFR3, PAN, 2); /* ATS1E1 */
+ cpu->id_mmfr3 = u;
+
/*
* FIXME: We do not yet support ARMv8.2-fp16 for AArch32 yet,
* so do not set MVFR1.FPHP. Strictly speaking this is not legal,
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 26/46] target/arm: Add ID_AA64MMFR2_EL1
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (24 preceding siblings ...)
2020-02-13 14:41 ` [PULL 25/46] target/arm: Enable ARMv8.2-ATS1E1 in -cpu max Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 27/46] target/arm: Update MSR access to UAO Peter Maydell
` (20 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Add definitions for all of the fields, up to ARMv8.5.
Convert the existing RESERVED register to a full register.
Query KVM for the value of the register for the host.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-18-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.h | 17 +++++++++++++++++
target/arm/helper.c | 4 ++--
target/arm/kvm64.c | 2 ++
3 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 65a0ef8cd6b..71879393c22 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -871,6 +871,7 @@ struct ARMCPU {
uint64_t id_aa64pfr1;
uint64_t id_aa64mmfr0;
uint64_t id_aa64mmfr1;
+ uint64_t id_aa64mmfr2;
} isar;
uint32_t midr;
uint32_t revidr;
@@ -1803,6 +1804,22 @@ FIELD(ID_AA64MMFR1, PAN, 20, 4)
FIELD(ID_AA64MMFR1, SPECSEI, 24, 4)
FIELD(ID_AA64MMFR1, XNX, 28, 4)
+FIELD(ID_AA64MMFR2, CNP, 0, 4)
+FIELD(ID_AA64MMFR2, UAO, 4, 4)
+FIELD(ID_AA64MMFR2, LSM, 8, 4)
+FIELD(ID_AA64MMFR2, IESB, 12, 4)
+FIELD(ID_AA64MMFR2, VARANGE, 16, 4)
+FIELD(ID_AA64MMFR2, CCIDX, 20, 4)
+FIELD(ID_AA64MMFR2, NV, 24, 4)
+FIELD(ID_AA64MMFR2, ST, 28, 4)
+FIELD(ID_AA64MMFR2, AT, 32, 4)
+FIELD(ID_AA64MMFR2, IDS, 36, 4)
+FIELD(ID_AA64MMFR2, FWB, 40, 4)
+FIELD(ID_AA64MMFR2, TTL, 48, 4)
+FIELD(ID_AA64MMFR2, BBM, 52, 4)
+FIELD(ID_AA64MMFR2, EVT, 56, 4)
+FIELD(ID_AA64MMFR2, E0PD, 60, 4)
+
FIELD(ID_DFR0, COPDBG, 0, 4)
FIELD(ID_DFR0, COPSDBG, 4, 4)
FIELD(ID_DFR0, MMAPDBG, 8, 4)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index d99661d4ea5..d29722d8acb 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7073,11 +7073,11 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
.resetvalue = cpu->isar.id_aa64mmfr1 },
- { .name = "ID_AA64MMFR2_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
+ { .name = "ID_AA64MMFR2_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 2,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = 0 },
+ .resetvalue = cpu->isar.id_aa64mmfr2 },
{ .name = "ID_AA64MMFR3_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 3,
.access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c
index fb21ab9e737..3bae9e4a663 100644
--- a/target/arm/kvm64.c
+++ b/target/arm/kvm64.c
@@ -549,6 +549,8 @@ bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ARM64_SYS_REG(3, 0, 0, 7, 0));
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr1,
ARM64_SYS_REG(3, 0, 0, 7, 1));
+ err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr2,
+ ARM64_SYS_REG(3, 0, 0, 7, 2));
/*
* Note that if AArch32 support is not present in the host,
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 27/46] target/arm: Update MSR access to UAO
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (25 preceding siblings ...)
2020-02-13 14:41 ` [PULL 26/46] target/arm: Add ID_AA64MMFR2_EL1 Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 28/46] target/arm: Implement UAO semantics Peter Maydell
` (19 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.h | 6 ++++++
target/arm/internals.h | 3 +++
target/arm/helper.c | 21 +++++++++++++++++++++
target/arm/translate-a64.c | 14 ++++++++++++++
4 files changed, 44 insertions(+)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 71879393c22..e943ffe8a9a 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1253,6 +1253,7 @@ void pmu_init(ARMCPU *cpu);
#define PSTATE_IL (1U << 20)
#define PSTATE_SS (1U << 21)
#define PSTATE_PAN (1U << 22)
+#define PSTATE_UAO (1U << 23)
#define PSTATE_V (1U << 28)
#define PSTATE_C (1U << 29)
#define PSTATE_Z (1U << 30)
@@ -3642,6 +3643,11 @@ static inline bool isar_feature_aa64_ats1e1(const ARMISARegisters *id)
return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, PAN) >= 2;
}
+static inline bool isar_feature_aa64_uao(const ARMISARegisters *id)
+{
+ return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, UAO) != 0;
+}
+
static inline bool isar_feature_aa64_bti(const ARMISARegisters *id)
{
return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, BT) != 0;
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 4a139644b54..58c4d707c5d 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1112,6 +1112,9 @@ static inline uint32_t aarch64_pstate_valid_mask(const ARMISARegisters *id)
if (isar_feature_aa64_pan(id)) {
valid |= PSTATE_PAN;
}
+ if (isar_feature_aa64_uao(id)) {
+ valid |= PSTATE_UAO;
+ }
return valid;
}
diff --git a/target/arm/helper.c b/target/arm/helper.c
index d29722d8acb..11a5f0be52f 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -4191,6 +4191,24 @@ static const ARMCPRegInfo pan_reginfo = {
.readfn = aa64_pan_read, .writefn = aa64_pan_write
};
+static uint64_t aa64_uao_read(CPUARMState *env, const ARMCPRegInfo *ri)
+{
+ return env->pstate & PSTATE_UAO;
+}
+
+static void aa64_uao_write(CPUARMState *env, const ARMCPRegInfo *ri,
+ uint64_t value)
+{
+ env->pstate = (env->pstate & ~PSTATE_UAO) | (value & PSTATE_UAO);
+}
+
+static const ARMCPRegInfo uao_reginfo = {
+ .name = "UAO", .state = ARM_CP_STATE_AA64,
+ .opc0 = 3, .opc1 = 0, .crn = 4, .crm = 2, .opc2 = 4,
+ .type = ARM_CP_NO_RAW, .access = PL1_RW,
+ .readfn = aa64_uao_read, .writefn = aa64_uao_write
+};
+
static CPAccessResult aa64_cacheop_access(CPUARMState *env,
const ARMCPRegInfo *ri,
bool isread)
@@ -7664,6 +7682,9 @@ void register_cp_regs_for_features(ARMCPU *cpu)
define_arm_cp_regs(cpu, ats1cp_reginfo);
}
#endif
+ if (cpu_isar_feature(aa64_uao, cpu)) {
+ define_one_arm_cp_reg(cpu, &uao_reginfo);
+ }
if (arm_feature(env, ARM_FEATURE_EL2) && cpu_isar_feature(aa64_vh, cpu)) {
define_arm_cp_regs(cpu, vhe_reginfo);
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index d8ba240a155..7c26c3bfebb 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -1602,6 +1602,20 @@ static void handle_msr_i(DisasContext *s, uint32_t insn,
s->base.is_jmp = DISAS_NEXT;
break;
+ case 0x03: /* UAO */
+ if (!dc_isar_feature(aa64_uao, s) || s->current_el == 0) {
+ goto do_unallocated;
+ }
+ if (crm & 1) {
+ set_pstate_bits(PSTATE_UAO);
+ } else {
+ clear_pstate_bits(PSTATE_UAO);
+ }
+ t1 = tcg_const_i32(s->current_el);
+ gen_helper_rebuild_hflags_a64(cpu_env, t1);
+ tcg_temp_free_i32(t1);
+ break;
+
case 0x04: /* PAN */
if (!dc_isar_feature(aa64_pan, s) || s->current_el == 0) {
goto do_unallocated;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 28/46] target/arm: Implement UAO semantics
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (26 preceding siblings ...)
2020-02-13 14:41 ` [PULL 27/46] target/arm: Update MSR access to UAO Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 29/46] target/arm: Enable ARMv8.2-UAO in -cpu max Peter Maydell
` (18 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
We need only override the current condition under which
TBFLAG_A64.UNPRIV is set.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-20-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/helper.c | 41 +++++++++++++++++++++--------------------
1 file changed, 21 insertions(+), 20 deletions(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 11a5f0be52f..366dbcf460d 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -12198,28 +12198,29 @@ static uint32_t rebuild_hflags_a64(CPUARMState *env, int el, int fp_el,
}
/* Compute the condition for using AccType_UNPRIV for LDTR et al. */
- /* TODO: ARMv8.2-UAO */
- switch (mmu_idx) {
- case ARMMMUIdx_E10_1:
- case ARMMMUIdx_E10_1_PAN:
- case ARMMMUIdx_SE10_1:
- case ARMMMUIdx_SE10_1_PAN:
- /* TODO: ARMv8.3-NV */
- flags = FIELD_DP32(flags, TBFLAG_A64, UNPRIV, 1);
- break;
- case ARMMMUIdx_E20_2:
- case ARMMMUIdx_E20_2_PAN:
- /* TODO: ARMv8.4-SecEL2 */
- /*
- * Note that E20_2 is gated by HCR_EL2.E2H == 1, but E20_0 is
- * gated by HCR_EL2.<E2H,TGE> == '11', and so is LDTR.
- */
- if (env->cp15.hcr_el2 & HCR_TGE) {
+ if (!(env->pstate & PSTATE_UAO)) {
+ switch (mmu_idx) {
+ case ARMMMUIdx_E10_1:
+ case ARMMMUIdx_E10_1_PAN:
+ case ARMMMUIdx_SE10_1:
+ case ARMMMUIdx_SE10_1_PAN:
+ /* TODO: ARMv8.3-NV */
flags = FIELD_DP32(flags, TBFLAG_A64, UNPRIV, 1);
+ break;
+ case ARMMMUIdx_E20_2:
+ case ARMMMUIdx_E20_2_PAN:
+ /* TODO: ARMv8.4-SecEL2 */
+ /*
+ * Note that EL20_2 is gated by HCR_EL2.E2H == 1, but EL20_0 is
+ * gated by HCR_EL2.<E2H,TGE> == '11', and so is LDTR.
+ */
+ if (env->cp15.hcr_el2 & HCR_TGE) {
+ flags = FIELD_DP32(flags, TBFLAG_A64, UNPRIV, 1);
+ }
+ break;
+ default:
+ break;
}
- break;
- default:
- break;
}
return rebuild_hflags_common(env, fp_el, mmu_idx, flags);
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 29/46] target/arm: Enable ARMv8.2-UAO in -cpu max
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (27 preceding siblings ...)
2020-02-13 14:41 ` [PULL 28/46] target/arm: Implement UAO semantics Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 30/46] hw/arm: ast2400/ast2500: Wire up EHCI controllers Peter Maydell
` (17 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-21-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu64.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 57fbc5eade7..1359564c554 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -676,6 +676,10 @@ static void aarch64_max_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64MMFR1, PAN, 2); /* ATS1E1 */
cpu->isar.id_aa64mmfr1 = t;
+ t = cpu->isar.id_aa64mmfr2;
+ t = FIELD_DP64(t, ID_AA64MMFR2, UAO, 1);
+ cpu->isar.id_aa64mmfr2 = t;
+
/* Replicate the same data to the 32-bit id registers. */
u = cpu->isar.id_isar5;
u = FIELD_DP32(u, ID_ISAR5, AES, 2); /* AES + PMULL */
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 30/46] hw/arm: ast2400/ast2500: Wire up EHCI controllers
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (28 preceding siblings ...)
2020-02-13 14:41 ` [PULL 29/46] target/arm: Enable ARMv8.2-UAO in -cpu max Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 31/46] hw/arm: ast2600: " Peter Maydell
` (16 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Guenter Roeck <linux@roeck-us.net>
Initialize EHCI controllers on AST2400 and AST2500 using the existing
TYPE_PLATFORM_EHCI. After this change, booting ast2500-evb into Linux
successfully instantiates a USB interface.
ehci-platform 1e6a3000.usb: EHCI Host Controller
ehci-platform 1e6a3000.usb: new USB bus registered, assigned bus number 1
ehci-platform 1e6a3000.usb: irq 21, io mem 0x1e6a3000
ehci-platform 1e6a3000.usb: USB 2.0 started, EHCI 1.00
usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.05
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: EHCI Host Controller
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200206183437.3979-1-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
include/hw/arm/aspeed_soc.h | 6 ++++++
hw/arm/aspeed_soc.c | 25 +++++++++++++++++++++++++
2 files changed, 31 insertions(+)
diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h
index 90ac7f7ffa3..78b9f6ae532 100644
--- a/include/hw/arm/aspeed_soc.h
+++ b/include/hw/arm/aspeed_soc.h
@@ -26,8 +26,10 @@
#include "target/arm/cpu.h"
#include "hw/gpio/aspeed_gpio.h"
#include "hw/sd/aspeed_sdhci.h"
+#include "hw/usb/hcd-ehci.h"
#define ASPEED_SPIS_NUM 2
+#define ASPEED_EHCIS_NUM 2
#define ASPEED_WDTS_NUM 4
#define ASPEED_CPUS_NUM 2
#define ASPEED_MACS_NUM 4
@@ -50,6 +52,7 @@ typedef struct AspeedSoCState {
AspeedXDMAState xdma;
AspeedSMCState fmc;
AspeedSMCState spi[ASPEED_SPIS_NUM];
+ EHCISysBusState ehci[ASPEED_EHCIS_NUM];
AspeedSDMCState sdmc;
AspeedWDTState wdt[ASPEED_WDTS_NUM];
FTGMAC100State ftgmac100[ASPEED_MACS_NUM];
@@ -71,6 +74,7 @@ typedef struct AspeedSoCClass {
uint32_t silicon_rev;
uint64_t sram_size;
int spis_num;
+ int ehcis_num;
int wdts_num;
int macs_num;
const int *irqmap;
@@ -94,6 +98,8 @@ enum {
ASPEED_FMC,
ASPEED_SPI1,
ASPEED_SPI2,
+ ASPEED_EHCI1,
+ ASPEED_EHCI2,
ASPEED_VIC,
ASPEED_SDMC,
ASPEED_SCU,
diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c
index b5e809a1d3f..696c7fda14b 100644
--- a/hw/arm/aspeed_soc.c
+++ b/hw/arm/aspeed_soc.c
@@ -30,6 +30,7 @@ static const hwaddr aspeed_soc_ast2400_memmap[] = {
[ASPEED_IOMEM] = 0x1E600000,
[ASPEED_FMC] = 0x1E620000,
[ASPEED_SPI1] = 0x1E630000,
+ [ASPEED_EHCI1] = 0x1E6A1000,
[ASPEED_VIC] = 0x1E6C0000,
[ASPEED_SDMC] = 0x1E6E0000,
[ASPEED_SCU] = 0x1E6E2000,
@@ -59,6 +60,8 @@ static const hwaddr aspeed_soc_ast2500_memmap[] = {
[ASPEED_FMC] = 0x1E620000,
[ASPEED_SPI1] = 0x1E630000,
[ASPEED_SPI2] = 0x1E631000,
+ [ASPEED_EHCI1] = 0x1E6A1000,
+ [ASPEED_EHCI2] = 0x1E6A3000,
[ASPEED_VIC] = 0x1E6C0000,
[ASPEED_SDMC] = 0x1E6E0000,
[ASPEED_SCU] = 0x1E6E2000,
@@ -91,6 +94,8 @@ static const int aspeed_soc_ast2400_irqmap[] = {
[ASPEED_UART5] = 10,
[ASPEED_VUART] = 8,
[ASPEED_FMC] = 19,
+ [ASPEED_EHCI1] = 5,
+ [ASPEED_EHCI2] = 13,
[ASPEED_SDMC] = 0,
[ASPEED_SCU] = 21,
[ASPEED_ADC] = 31,
@@ -180,6 +185,11 @@ static void aspeed_soc_init(Object *obj)
sizeof(s->spi[i]), typename);
}
+ for (i = 0; i < sc->ehcis_num; i++) {
+ sysbus_init_child_obj(obj, "ehci[*]", OBJECT(&s->ehci[i]),
+ sizeof(s->ehci[i]), TYPE_PLATFORM_EHCI);
+ }
+
snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
sysbus_init_child_obj(obj, "sdmc", OBJECT(&s->sdmc), sizeof(s->sdmc),
typename);
@@ -364,6 +374,19 @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp)
s->spi[i].ctrl->flash_window_base);
}
+ /* EHCI */
+ for (i = 0; i < sc->ehcis_num; i++) {
+ object_property_set_bool(OBJECT(&s->ehci[i]), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0,
+ sc->memmap[ASPEED_EHCI1 + i]);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0,
+ aspeed_soc_get_irq(s, ASPEED_EHCI1 + i));
+ }
+
/* SDMC - SDRAM Memory Controller */
object_property_set_bool(OBJECT(&s->sdmc), true, "realized", &err);
if (err) {
@@ -472,6 +495,7 @@ static void aspeed_soc_ast2400_class_init(ObjectClass *oc, void *data)
sc->silicon_rev = AST2400_A1_SILICON_REV;
sc->sram_size = 0x8000;
sc->spis_num = 1;
+ sc->ehcis_num = 1;
sc->wdts_num = 2;
sc->macs_num = 2;
sc->irqmap = aspeed_soc_ast2400_irqmap;
@@ -496,6 +520,7 @@ static void aspeed_soc_ast2500_class_init(ObjectClass *oc, void *data)
sc->silicon_rev = AST2500_A1_SILICON_REV;
sc->sram_size = 0x9000;
sc->spis_num = 2;
+ sc->ehcis_num = 2;
sc->wdts_num = 3;
sc->macs_num = 2;
sc->irqmap = aspeed_soc_ast2500_irqmap;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 31/46] hw/arm: ast2600: Wire up EHCI controllers
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (29 preceding siblings ...)
2020-02-13 14:41 ` [PULL 30/46] hw/arm: ast2400/ast2500: Wire up EHCI controllers Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 32/46] hw/char/exynos4210_uart: Fix memleaks in exynos4210_uart_init Peter Maydell
` (15 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Guenter Roeck <linux@roeck-us.net>
Initialize EHCI controllers on AST2600 using the existing
TYPE_PLATFORM_EHCI. After this change, booting ast2600-evb
into Linux successfully instantiates a USB interface after
the necessary changes are made to its devicetree files.
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-platform: EHCI generic platform driver
ehci-platform 1e6a3000.usb: EHCI Host Controller
ehci-platform 1e6a3000.usb: new USB bus registered, assigned bus number 1
ehci-platform 1e6a3000.usb: irq 25, io mem 0x1e6a3000
ehci-platform 1e6a3000.usb: USB 2.0 started, EHCI 1.00
usb usb1: Manufacturer: Linux 5.5.0-09825-ga0802f2d0ef5-dirty ehci_hcd
usb 1-1: new high-speed USB device number 2 using ehci-platform
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20200207174548.9087-1-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/aspeed_ast2600.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c
index 90cf1c755d3..446b44d31cf 100644
--- a/hw/arm/aspeed_ast2600.c
+++ b/hw/arm/aspeed_ast2600.c
@@ -31,6 +31,8 @@ static const hwaddr aspeed_soc_ast2600_memmap[] = {
[ASPEED_FMC] = 0x1E620000,
[ASPEED_SPI1] = 0x1E630000,
[ASPEED_SPI2] = 0x1E641000,
+ [ASPEED_EHCI1] = 0x1E6A1000,
+ [ASPEED_EHCI2] = 0x1E6A3000,
[ASPEED_MII1] = 0x1E650000,
[ASPEED_MII2] = 0x1E650008,
[ASPEED_MII3] = 0x1E650010,
@@ -79,6 +81,8 @@ static const int aspeed_soc_ast2600_irqmap[] = {
[ASPEED_ADC] = 78,
[ASPEED_XDMA] = 6,
[ASPEED_SDHCI] = 43,
+ [ASPEED_EHCI1] = 5,
+ [ASPEED_EHCI2] = 9,
[ASPEED_EMMC] = 15,
[ASPEED_GPIO] = 40,
[ASPEED_GPIO_1_8V] = 11,
@@ -166,6 +170,11 @@ static void aspeed_soc_ast2600_init(Object *obj)
sizeof(s->spi[i]), typename);
}
+ for (i = 0; i < sc->ehcis_num; i++) {
+ sysbus_init_child_obj(obj, "ehci[*]", OBJECT(&s->ehci[i]),
+ sizeof(s->ehci[i]), TYPE_PLATFORM_EHCI);
+ }
+
snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
sysbus_init_child_obj(obj, "sdmc", OBJECT(&s->sdmc), sizeof(s->sdmc),
typename);
@@ -416,6 +425,19 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp)
s->spi[i].ctrl->flash_window_base);
}
+ /* EHCI */
+ for (i = 0; i < sc->ehcis_num; i++) {
+ object_property_set_bool(OBJECT(&s->ehci[i]), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0,
+ sc->memmap[ASPEED_EHCI1 + i]);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0,
+ aspeed_soc_get_irq(s, ASPEED_EHCI1 + i));
+ }
+
/* SDMC - SDRAM Memory Controller */
object_property_set_bool(OBJECT(&s->sdmc), true, "realized", &err);
if (err) {
@@ -534,6 +556,7 @@ static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data)
sc->silicon_rev = AST2600_A0_SILICON_REV;
sc->sram_size = 0x10000;
sc->spis_num = 2;
+ sc->ehcis_num = 2;
sc->wdts_num = 4;
sc->macs_num = 4;
sc->irqmap = aspeed_soc_ast2600_irqmap;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 32/46] hw/char/exynos4210_uart: Fix memleaks in exynos4210_uart_init
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (30 preceding siblings ...)
2020-02-13 14:41 ` [PULL 31/46] hw/arm: ast2600: " Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 33/46] hw/arm/raspi: Use BCM2708 machine type with pre Device Tree kernels Peter Maydell
` (14 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Chen Qun <kuhn.chenqun@huawei.com>
It's easy to reproduce as follow:
virsh qemu-monitor-command vm1 --pretty '{"execute": "device-list-properties",
"arguments":{"typename":"exynos4210.uart"}}'
ASAN shows memory leak stack:
#1 0xfffd896d71cb in g_malloc0 (/lib64/libglib-2.0.so.0+0x571cb)
#2 0xaaad270beee3 in timer_new_full /qemu/include/qemu/timer.h:530
#3 0xaaad270beee3 in timer_new /qemu/include/qemu/timer.h:551
#4 0xaaad270beee3 in timer_new_ns /qemu/include/qemu/timer.h:569
#5 0xaaad270beee3 in exynos4210_uart_init /qemu/hw/char/exynos4210_uart.c:677
#6 0xaaad275c8f4f in object_initialize_with_type /qemu/qom/object.c:516
#7 0xaaad275c91bb in object_new_with_type /qemu/qom/object.c:684
#8 0xaaad2755df2f in qmp_device_list_properties /qemu/qom/qom-qmp-cmds.c:152
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200213025603.149432-1-kuhn.chenqun@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/char/exynos4210_uart.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/hw/char/exynos4210_uart.c b/hw/char/exynos4210_uart.c
index 25d6588e413..96d5180e3e2 100644
--- a/hw/char/exynos4210_uart.c
+++ b/hw/char/exynos4210_uart.c
@@ -674,8 +674,6 @@ static void exynos4210_uart_init(Object *obj)
SysBusDevice *dev = SYS_BUS_DEVICE(obj);
Exynos4210UartState *s = EXYNOS4210_UART(dev);
- s->fifo_timeout_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
- exynos4210_uart_timeout_int, s);
s->wordtime = NANOSECONDS_PER_SECOND * 10 / 9600;
/* memory mapping */
@@ -691,6 +689,9 @@ static void exynos4210_uart_realize(DeviceState *dev, Error **errp)
{
Exynos4210UartState *s = EXYNOS4210_UART(dev);
+ s->fifo_timeout_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
+ exynos4210_uart_timeout_int, s);
+
qemu_chr_fe_set_handlers(&s->chr, exynos4210_uart_can_receive,
exynos4210_uart_receive, exynos4210_uart_event,
NULL, s, NULL, true);
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 33/46] hw/arm/raspi: Use BCM2708 machine type with pre Device Tree kernels
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (31 preceding siblings ...)
2020-02-13 14:41 ` [PULL 32/46] hw/char/exynos4210_uart: Fix memleaks in exynos4210_uart_init Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 34/46] hw/arm/raspi: Correct the board descriptions Peter Maydell
` (13 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
When booting without device tree, the Linux kernels uses the $R1
register to determine the machine type. The list of values is
registered at [1].
There are two entries for the Raspberry Pi:
- https://www.arm.linux.org.uk/developer/machines/list.php?mid=3138
name: MACH_TYPE_BCM2708
value: 0xc42 (3138)
status: Active, not mainlined
date: 15 Oct 2010
- https://www.arm.linux.org.uk/developer/machines/list.php?mid=4828
name: MACH_TYPE_BCM2835
value: 4828
status: Active, mainlined
date: 6 Dec 2013
QEMU always used the non-mainlined type MACH_TYPE_BCM2708.
The value 0xc43 is registered to 'MX51_GGC' (processor i.MX51), and
0xc44 to 'Western Digital Sharespace NAS' (processor Marvell 88F5182).
The Raspberry Pi foundation bootloader only sets the BCM2708 machine
type, see [2] or [3]:
133 9:
134 mov r0, #0
135 ldr r1, =3138 @ BCM2708 machine id
136 ldr r2, atags @ ATAGS
137 bx r4
U-Boot only uses MACH_TYPE_BCM2708 (see [4]):
25 /*
26 * 2835 is a SKU in a series for which the 2708 is the first or primary SoC,
27 * so 2708 has historically been used rather than a dedicated 2835 ID.
28 *
29 * We don't define a machine type for bcm2709/bcm2836 since the RPi Foundation
30 * chose to use someone else's previously registered machine ID (3139, MX51_GGC)
31 * rather than obtaining a valid ID:-/
32 *
33 * For the bcm2837, hopefully a machine type is not needed, since everything
34 * is DT.
35 */
While the definition MACH_BCM2709 with value 0xc43 was introduced in
a commit described "Add 2709 platform for Raspberry Pi 2" out of the
mainline Linux kernel, it does not seem used, and the platform is
introduced with Device Tree support anyway (see [5] and [6]).
Remove the unused values (0xc43 introduced in commit 1df7d1f9303aef
"raspi: add raspberry pi 2 machine" and 0xc44 in commit bade58166f4
"raspi: Raspberry Pi 3 support"), keeping only MACH_TYPE_BCM2708.
[1] https://www.arm.linux.org.uk/developer/machines/
[2] https://github.com/raspberrypi/tools/blob/920c7ed2e/armstubs/armstub7.S#L135
[3] https://github.com/raspberrypi/tools/blob/49719d554/armstubs/armstub7.S#L64
[4] https://gitlab.denx.de/u-boot/u-boot/blob/v2015.04/include/configs/rpi-common.h#L18
[5] https://github.com/raspberrypi/linux/commit/d9fac63adac#diff-6722037d79570df5b392a49e0e006573R526
[6] http://lists.infradead.org/pipermail/linux-rpi-kernel/2015-February/001268.html
Cc: Zoltán Baldaszti <bztemail@gmail.com>
Cc: Pekka Enberg <penberg@iki.fi>
Cc: Stephen Warren <swarren@nvidia.com>
Cc: Kshitij Soni <kshitij.soni@broadcom.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Andrew Baumann <Andrew.Baumann@microsoft.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20200208165645.15657-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index 3996f6c63a4..f2ccabc6628 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -29,8 +29,8 @@
#define FIRMWARE_ADDR_3 0x80000 /* Pi 3 loads kernel.img here by default */
#define SPINTABLE_ADDR 0xd8 /* Pi 3 bootloader spintable */
-/* Table of Linux board IDs for different Pi versions */
-static const int raspi_boardid[] = {[1] = 0xc42, [2] = 0xc43, [3] = 0xc44};
+/* Registered machine type (matches RPi Foundation bootloader and U-Boot) */
+#define MACH_TYPE_BCM2708 3138
typedef struct RasPiState {
BCM283XState soc;
@@ -116,7 +116,7 @@ static void setup_boot(MachineState *machine, int version, size_t ram_size)
static struct arm_boot_info binfo;
int r;
- binfo.board_id = raspi_boardid[version];
+ binfo.board_id = MACH_TYPE_BCM2708;
binfo.ram_size = ram_size;
binfo.nb_cpus = machine->smp.cpus;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 34/46] hw/arm/raspi: Correct the board descriptions
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (32 preceding siblings ...)
2020-02-13 14:41 ` [PULL 33/46] hw/arm/raspi: Use BCM2708 machine type with pre Device Tree kernels Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 35/46] hw/arm/raspi: Extract the version from the board revision Peter Maydell
` (12 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
We hardcode the board revision as 0xa21041 for the raspi2, and
0xa02082 for the raspi3:
166 static void raspi_init(MachineState *machine, int version)
167 {
...
194 int board_rev = version == 3 ? 0xa02082 : 0xa21041;
These revision codes are for the 2B and 3B models, see:
https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
Correct the board description.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200208165645.15657-3-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index f2ccabc6628..818146fdbb2 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -221,7 +221,7 @@ static void raspi2_init(MachineState *machine)
static void raspi2_machine_init(MachineClass *mc)
{
- mc->desc = "Raspberry Pi 2";
+ mc->desc = "Raspberry Pi 2B";
mc->init = raspi2_init;
mc->block_default_type = IF_SD;
mc->no_parallel = 1;
@@ -243,7 +243,7 @@ static void raspi3_init(MachineState *machine)
static void raspi3_machine_init(MachineClass *mc)
{
- mc->desc = "Raspberry Pi 3";
+ mc->desc = "Raspberry Pi 3B";
mc->init = raspi3_init;
mc->block_default_type = IF_SD;
mc->no_parallel = 1;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 35/46] hw/arm/raspi: Extract the version from the board revision
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (33 preceding siblings ...)
2020-02-13 14:41 ` [PULL 34/46] hw/arm/raspi: Correct the board descriptions Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 36/46] hw/arm/raspi: Extract the RAM size " Peter Maydell
` (11 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
The board revision encode the board version. Add a helper
to extract the version, and use it.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200208165645.15657-4-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 31 +++++++++++++++++++++++++++----
1 file changed, 27 insertions(+), 4 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index 818146fdbb2..f285e2988fc 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -16,6 +16,7 @@
#include "qapi/error.h"
#include "cpu.h"
#include "hw/arm/bcm2836.h"
+#include "hw/registerfields.h"
#include "qemu/error-report.h"
#include "hw/boards.h"
#include "hw/loader.h"
@@ -37,6 +38,28 @@ typedef struct RasPiState {
MemoryRegion ram;
} RasPiState;
+/*
+ * Board revision codes:
+ * www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/
+ */
+FIELD(REV_CODE, REVISION, 0, 4);
+FIELD(REV_CODE, TYPE, 4, 8);
+FIELD(REV_CODE, PROCESSOR, 12, 4);
+FIELD(REV_CODE, MANUFACTURER, 16, 4);
+FIELD(REV_CODE, MEMORY_SIZE, 20, 3);
+FIELD(REV_CODE, STYLE, 23, 1);
+
+static int board_processor_id(uint32_t board_rev)
+{
+ assert(FIELD_EX32(board_rev, REV_CODE, STYLE)); /* Only new style */
+ return FIELD_EX32(board_rev, REV_CODE, PROCESSOR);
+}
+
+static int board_version(uint32_t board_rev)
+{
+ return board_processor_id(board_rev) + 1;
+}
+
static void write_smpboot(ARMCPU *cpu, const struct arm_boot_info *info)
{
static const uint32_t smpboot[] = {
@@ -164,9 +187,10 @@ static void setup_boot(MachineState *machine, int version, size_t ram_size)
arm_load_kernel(ARM_CPU(first_cpu), machine, &binfo);
}
-static void raspi_init(MachineState *machine, int version)
+static void raspi_init(MachineState *machine, uint32_t board_rev)
{
RasPiState *s = g_new0(RasPiState, 1);
+ int version = board_version(board_rev);
uint32_t vcram_size;
DriveInfo *di;
BlockBackend *blk;
@@ -192,7 +216,6 @@ static void raspi_init(MachineState *machine, int version)
/* Setup the SOC */
object_property_add_const_link(OBJECT(&s->soc), "ram", OBJECT(&s->ram),
&error_abort);
- int board_rev = version == 3 ? 0xa02082 : 0xa21041;
object_property_set_int(OBJECT(&s->soc), board_rev, "board-rev",
&error_abort);
object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_abort);
@@ -216,7 +239,7 @@ static void raspi_init(MachineState *machine, int version)
static void raspi2_init(MachineState *machine)
{
- raspi_init(machine, 2);
+ raspi_init(machine, 0xa21041);
}
static void raspi2_machine_init(MachineClass *mc)
@@ -238,7 +261,7 @@ DEFINE_MACHINE("raspi2", raspi2_machine_init)
#ifdef TARGET_AARCH64
static void raspi3_init(MachineState *machine)
{
- raspi_init(machine, 3);
+ raspi_init(machine, 0xa02082);
}
static void raspi3_machine_init(MachineClass *mc)
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 36/46] hw/arm/raspi: Extract the RAM size from the board revision
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (34 preceding siblings ...)
2020-02-13 14:41 ` [PULL 35/46] hw/arm/raspi: Extract the version from the board revision Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 37/46] hw/arm/raspi: Extract the processor type " Peter Maydell
` (10 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
The board revision encode the amount of RAM. Add a helper
to extract the RAM size, and use it.
Since the amount of RAM is fixed (it is impossible to physically
modify to have more or less RAM), do not allow sizes different
than the one anounced by the manufacturer.
Acked-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200208165645.15657-5-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index f285e2988fc..dcd8d2d6d38 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -13,6 +13,7 @@
#include "qemu/osdep.h"
#include "qemu/units.h"
+#include "qemu/cutils.h"
#include "qapi/error.h"
#include "cpu.h"
#include "hw/arm/bcm2836.h"
@@ -49,6 +50,12 @@ FIELD(REV_CODE, MANUFACTURER, 16, 4);
FIELD(REV_CODE, MEMORY_SIZE, 20, 3);
FIELD(REV_CODE, STYLE, 23, 1);
+static uint64_t board_ram_size(uint32_t board_rev)
+{
+ assert(FIELD_EX32(board_rev, REV_CODE, STYLE)); /* Only new style */
+ return 256 * MiB << FIELD_EX32(board_rev, REV_CODE, MEMORY_SIZE);
+}
+
static int board_processor_id(uint32_t board_rev)
{
assert(FIELD_EX32(board_rev, REV_CODE, STYLE)); /* Only new style */
@@ -191,15 +198,17 @@ static void raspi_init(MachineState *machine, uint32_t board_rev)
{
RasPiState *s = g_new0(RasPiState, 1);
int version = board_version(board_rev);
+ uint64_t ram_size = board_ram_size(board_rev);
uint32_t vcram_size;
DriveInfo *di;
BlockBackend *blk;
BusState *bus;
DeviceState *carddev;
- if (machine->ram_size > 1 * GiB) {
- error_report("Requested ram size is too large for this machine: "
- "maximum is 1GB");
+ if (machine->ram_size != ram_size) {
+ char *size_str = size_to_str(ram_size);
+ error_report("Invalid RAM size, should be %s", size_str);
+ g_free(size_str);
exit(1);
}
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 37/46] hw/arm/raspi: Extract the processor type from the board revision
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (35 preceding siblings ...)
2020-02-13 14:41 ` [PULL 36/46] hw/arm/raspi: Extract the RAM size " Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 38/46] hw/arm/raspi: Trivial code movement Peter Maydell
` (9 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
The board revision encode the processor type. Add a helper
to extract the type, and use it.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200208165645.15657-6-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index dcd8d2d6d38..7a2ca97347e 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -67,6 +67,21 @@ static int board_version(uint32_t board_rev)
return board_processor_id(board_rev) + 1;
}
+static const char *board_soc_type(uint32_t board_rev)
+{
+ static const char *soc_types[] = {
+ NULL, TYPE_BCM2836, TYPE_BCM2837,
+ };
+ int proc_id = board_processor_id(board_rev);
+
+ if (proc_id >= ARRAY_SIZE(soc_types) || !soc_types[proc_id]) {
+ error_report("Unsupported processor id '%d' (board revision: 0x%x)",
+ proc_id, board_rev);
+ exit(1);
+ }
+ return soc_types[proc_id];
+}
+
static void write_smpboot(ARMCPU *cpu, const struct arm_boot_info *info)
{
static const uint32_t smpboot[] = {
@@ -213,8 +228,7 @@ static void raspi_init(MachineState *machine, uint32_t board_rev)
}
object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
- version == 3 ? TYPE_BCM2837 : TYPE_BCM2836,
- &error_abort, NULL);
+ board_soc_type(board_rev), &error_abort, NULL);
/* Allocate and map RAM */
memory_region_allocate_system_memory(&s->ram, OBJECT(machine), "ram",
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 38/46] hw/arm/raspi: Trivial code movement
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (36 preceding siblings ...)
2020-02-13 14:41 ` [PULL 37/46] hw/arm/raspi: Extract the processor type " Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 39/46] hw/arm/raspi: Make machines children of abstract RaspiMachineClass Peter Maydell
` (8 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
There is no point in creating the SoC object before allocating the RAM.
Move the call to keep all the SoC-related calls together.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20200208165645.15657-7-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index 7a2ca97347e..b3e6f72b55a 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -227,9 +227,6 @@ static void raspi_init(MachineState *machine, uint32_t board_rev)
exit(1);
}
- object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
- board_soc_type(board_rev), &error_abort, NULL);
-
/* Allocate and map RAM */
memory_region_allocate_system_memory(&s->ram, OBJECT(machine), "ram",
machine->ram_size);
@@ -237,6 +234,8 @@ static void raspi_init(MachineState *machine, uint32_t board_rev)
memory_region_add_subregion_overlap(get_system_memory(), 0, &s->ram, 0);
/* Setup the SOC */
+ object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
+ board_soc_type(board_rev), &error_abort, NULL);
object_property_add_const_link(OBJECT(&s->soc), "ram", OBJECT(&s->ram),
&error_abort);
object_property_set_int(OBJECT(&s->soc), board_rev, "board-rev",
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 39/46] hw/arm/raspi: Make machines children of abstract RaspiMachineClass
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (37 preceding siblings ...)
2020-02-13 14:41 ` [PULL 38/46] hw/arm/raspi: Trivial code movement Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 40/46] hw/arm/raspi: Make board_rev a field of RaspiMachineClass Peter Maydell
` (7 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
QOM'ify RaspiMachineState. Now machines inherit of RaspiMachineClass.
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20200208165645.15657-8-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 56 +++++++++++++++++++++++++++++++++++++++++++-------
1 file changed, 49 insertions(+), 7 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index b3e6f72b55a..62b8df3c2e7 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -34,10 +34,28 @@
/* Registered machine type (matches RPi Foundation bootloader and U-Boot) */
#define MACH_TYPE_BCM2708 3138
-typedef struct RasPiState {
+typedef struct RaspiMachineState {
+ /*< private >*/
+ MachineState parent_obj;
+ /*< public >*/
BCM283XState soc;
MemoryRegion ram;
-} RasPiState;
+} RaspiMachineState;
+
+typedef struct RaspiMachineClass {
+ /*< private >*/
+ MachineClass parent_obj;
+ /*< public >*/
+} RaspiMachineClass;
+
+#define TYPE_RASPI_MACHINE MACHINE_TYPE_NAME("raspi-common")
+#define RASPI_MACHINE(obj) \
+ OBJECT_CHECK(RaspiMachineState, (obj), TYPE_RASPI_MACHINE)
+
+#define RASPI_MACHINE_CLASS(klass) \
+ OBJECT_CLASS_CHECK(RaspiMachineClass, (klass), TYPE_RASPI_MACHINE)
+#define RASPI_MACHINE_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(RaspiMachineClass, (obj), TYPE_RASPI_MACHINE)
/*
* Board revision codes:
@@ -211,7 +229,7 @@ static void setup_boot(MachineState *machine, int version, size_t ram_size)
static void raspi_init(MachineState *machine, uint32_t board_rev)
{
- RasPiState *s = g_new0(RasPiState, 1);
+ RaspiMachineState *s = RASPI_MACHINE(machine);
int version = board_version(board_rev);
uint64_t ram_size = board_ram_size(board_rev);
uint32_t vcram_size;
@@ -264,8 +282,10 @@ static void raspi2_init(MachineState *machine)
raspi_init(machine, 0xa21041);
}
-static void raspi2_machine_init(MachineClass *mc)
+static void raspi2_machine_class_init(ObjectClass *oc, void *data)
{
+ MachineClass *mc = MACHINE_CLASS(oc);
+
mc->desc = "Raspberry Pi 2B";
mc->init = raspi2_init;
mc->block_default_type = IF_SD;
@@ -278,7 +298,6 @@ static void raspi2_machine_init(MachineClass *mc)
mc->default_ram_size = 1 * GiB;
mc->ignore_memory_transaction_failures = true;
};
-DEFINE_MACHINE("raspi2", raspi2_machine_init)
#ifdef TARGET_AARCH64
static void raspi3_init(MachineState *machine)
@@ -286,8 +305,10 @@ static void raspi3_init(MachineState *machine)
raspi_init(machine, 0xa02082);
}
-static void raspi3_machine_init(MachineClass *mc)
+static void raspi3_machine_class_init(ObjectClass *oc, void *data)
{
+ MachineClass *mc = MACHINE_CLASS(oc);
+
mc->desc = "Raspberry Pi 3B";
mc->init = raspi3_init;
mc->block_default_type = IF_SD;
@@ -299,5 +320,26 @@ static void raspi3_machine_init(MachineClass *mc)
mc->default_cpus = BCM283X_NCPUS;
mc->default_ram_size = 1 * GiB;
}
-DEFINE_MACHINE("raspi3", raspi3_machine_init)
#endif
+
+static const TypeInfo raspi_machine_types[] = {
+ {
+ .name = MACHINE_TYPE_NAME("raspi2"),
+ .parent = TYPE_RASPI_MACHINE,
+ .class_init = raspi2_machine_class_init,
+#ifdef TARGET_AARCH64
+ }, {
+ .name = MACHINE_TYPE_NAME("raspi3"),
+ .parent = TYPE_RASPI_MACHINE,
+ .class_init = raspi3_machine_class_init,
+#endif
+ }, {
+ .name = TYPE_RASPI_MACHINE,
+ .parent = TYPE_MACHINE,
+ .instance_size = sizeof(RaspiMachineState),
+ .class_size = sizeof(RaspiMachineClass),
+ .abstract = true,
+ }
+};
+
+DEFINE_TYPES(raspi_machine_types)
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 40/46] hw/arm/raspi: Make board_rev a field of RaspiMachineClass
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (38 preceding siblings ...)
2020-02-13 14:41 ` [PULL 39/46] hw/arm/raspi: Make machines children of abstract RaspiMachineClass Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 41/46] hw/arm/raspi: Let class_init() directly call raspi_machine_init() Peter Maydell
` (6 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
We want to have a common class_init(). The only value that
matters (and changes) is the board revision.
Pass the board_rev as class_data to class_init().
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200208165645.15657-9-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index 62b8df3c2e7..fbfcd297326 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -46,6 +46,7 @@ typedef struct RaspiMachineClass {
/*< private >*/
MachineClass parent_obj;
/*< public >*/
+ uint32_t board_rev;
} RaspiMachineClass;
#define TYPE_RASPI_MACHINE MACHINE_TYPE_NAME("raspi-common")
@@ -227,9 +228,11 @@ static void setup_boot(MachineState *machine, int version, size_t ram_size)
arm_load_kernel(ARM_CPU(first_cpu), machine, &binfo);
}
-static void raspi_init(MachineState *machine, uint32_t board_rev)
+static void raspi_init(MachineState *machine)
{
+ RaspiMachineClass *mc = RASPI_MACHINE_GET_CLASS(machine);
RaspiMachineState *s = RASPI_MACHINE(machine);
+ uint32_t board_rev = mc->board_rev;
int version = board_version(board_rev);
uint64_t ram_size = board_ram_size(board_rev);
uint32_t vcram_size;
@@ -279,13 +282,16 @@ static void raspi_init(MachineState *machine, uint32_t board_rev)
static void raspi2_init(MachineState *machine)
{
- raspi_init(machine, 0xa21041);
+ raspi_init(machine);
}
static void raspi2_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
+ RaspiMachineClass *rmc = RASPI_MACHINE_CLASS(oc);
+ uint32_t board_rev = (uint32_t)(uintptr_t)data;
+ rmc->board_rev = board_rev;
mc->desc = "Raspberry Pi 2B";
mc->init = raspi2_init;
mc->block_default_type = IF_SD;
@@ -302,13 +308,16 @@ static void raspi2_machine_class_init(ObjectClass *oc, void *data)
#ifdef TARGET_AARCH64
static void raspi3_init(MachineState *machine)
{
- raspi_init(machine, 0xa02082);
+ raspi_init(machine);
}
static void raspi3_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
+ RaspiMachineClass *rmc = RASPI_MACHINE_CLASS(oc);
+ uint32_t board_rev = (uint32_t)(uintptr_t)data;
+ rmc->board_rev = board_rev;
mc->desc = "Raspberry Pi 3B";
mc->init = raspi3_init;
mc->block_default_type = IF_SD;
@@ -327,11 +336,13 @@ static const TypeInfo raspi_machine_types[] = {
.name = MACHINE_TYPE_NAME("raspi2"),
.parent = TYPE_RASPI_MACHINE,
.class_init = raspi2_machine_class_init,
+ .class_data = (void *)0xa21041,
#ifdef TARGET_AARCH64
}, {
.name = MACHINE_TYPE_NAME("raspi3"),
.parent = TYPE_RASPI_MACHINE,
.class_init = raspi3_machine_class_init,
+ .class_data = (void *)0xa02082,
#endif
}, {
.name = TYPE_RASPI_MACHINE,
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 41/46] hw/arm/raspi: Let class_init() directly call raspi_machine_init()
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (39 preceding siblings ...)
2020-02-13 14:41 ` [PULL 40/46] hw/arm/raspi: Make board_rev a field of RaspiMachineClass Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 42/46] hw/arm/raspi: Set default RAM size to size encoded in board revision Peter Maydell
` (5 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
raspi_machine_init() access to board_rev via RaspiMachineClass.
raspi2_init() and raspi3_init() do nothing. Call raspi_machine_init
directly.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20200208165645.15657-10-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index fbfcd297326..1628b0dda7c 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -228,7 +228,7 @@ static void setup_boot(MachineState *machine, int version, size_t ram_size)
arm_load_kernel(ARM_CPU(first_cpu), machine, &binfo);
}
-static void raspi_init(MachineState *machine)
+static void raspi_machine_init(MachineState *machine)
{
RaspiMachineClass *mc = RASPI_MACHINE_GET_CLASS(machine);
RaspiMachineState *s = RASPI_MACHINE(machine);
@@ -280,11 +280,6 @@ static void raspi_init(MachineState *machine)
setup_boot(machine, version, machine->ram_size - vcram_size);
}
-static void raspi2_init(MachineState *machine)
-{
- raspi_init(machine);
-}
-
static void raspi2_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@@ -293,7 +288,7 @@ static void raspi2_machine_class_init(ObjectClass *oc, void *data)
rmc->board_rev = board_rev;
mc->desc = "Raspberry Pi 2B";
- mc->init = raspi2_init;
+ mc->init = raspi_machine_init;
mc->block_default_type = IF_SD;
mc->no_parallel = 1;
mc->no_floppy = 1;
@@ -306,11 +301,6 @@ static void raspi2_machine_class_init(ObjectClass *oc, void *data)
};
#ifdef TARGET_AARCH64
-static void raspi3_init(MachineState *machine)
-{
- raspi_init(machine);
-}
-
static void raspi3_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@@ -319,7 +309,7 @@ static void raspi3_machine_class_init(ObjectClass *oc, void *data)
rmc->board_rev = board_rev;
mc->desc = "Raspberry Pi 3B";
- mc->init = raspi3_init;
+ mc->init = raspi_machine_init;
mc->block_default_type = IF_SD;
mc->no_parallel = 1;
mc->no_floppy = 1;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 42/46] hw/arm/raspi: Set default RAM size to size encoded in board revision
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (40 preceding siblings ...)
2020-02-13 14:41 ` [PULL 41/46] hw/arm/raspi: Let class_init() directly call raspi_machine_init() Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 43/46] hw/arm/raspi: Extract the board model from the " Peter Maydell
` (4 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
We added a helper to extract the RAM size from the board
revision, and made board_rev a field of RaspiMachineClass.
The class_init() can now use the helper to extract from the
board revision the board-specific amount of RAM.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200208165645.15657-11-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index 1628b0dda7c..f0dcffbc2ef 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -296,7 +296,7 @@ static void raspi2_machine_class_init(ObjectClass *oc, void *data)
mc->max_cpus = BCM283X_NCPUS;
mc->min_cpus = BCM283X_NCPUS;
mc->default_cpus = BCM283X_NCPUS;
- mc->default_ram_size = 1 * GiB;
+ mc->default_ram_size = board_ram_size(board_rev);
mc->ignore_memory_transaction_failures = true;
};
@@ -317,7 +317,7 @@ static void raspi3_machine_class_init(ObjectClass *oc, void *data)
mc->max_cpus = BCM283X_NCPUS;
mc->min_cpus = BCM283X_NCPUS;
mc->default_cpus = BCM283X_NCPUS;
- mc->default_ram_size = 1 * GiB;
+ mc->default_ram_size = board_ram_size(board_rev);
}
#endif
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 43/46] hw/arm/raspi: Extract the board model from the board revision
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (41 preceding siblings ...)
2020-02-13 14:41 ` [PULL 42/46] hw/arm/raspi: Set default RAM size to size encoded in board revision Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 44/46] hw/arm/raspi: Use a unique raspi_machine_class_init() method Peter Maydell
` (3 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
The board revision encode the model type. Add a helper
to extract the model, and use it.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200208165645.15657-12-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index f0dcffbc2ef..0537fc0a2d1 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -101,6 +101,20 @@ static const char *board_soc_type(uint32_t board_rev)
return soc_types[proc_id];
}
+static const char *board_type(uint32_t board_rev)
+{
+ static const char *types[] = {
+ "A", "B", "A+", "B+", "2B", "Alpha", "CM1", NULL, "3B", "Zero",
+ "CM3", NULL, "Zero W", "3B+", "3A+", NULL, "CM3+", "4B",
+ };
+ assert(FIELD_EX32(board_rev, REV_CODE, STYLE)); /* Only new style */
+ int bt = FIELD_EX32(board_rev, REV_CODE, TYPE);
+ if (bt >= ARRAY_SIZE(types) || !types[bt]) {
+ return "Unknown";
+ }
+ return types[bt];
+}
+
static void write_smpboot(ARMCPU *cpu, const struct arm_boot_info *info)
{
static const uint32_t smpboot[] = {
@@ -287,7 +301,7 @@ static void raspi2_machine_class_init(ObjectClass *oc, void *data)
uint32_t board_rev = (uint32_t)(uintptr_t)data;
rmc->board_rev = board_rev;
- mc->desc = "Raspberry Pi 2B";
+ mc->desc = g_strdup_printf("Raspberry Pi %s", board_type(board_rev));
mc->init = raspi_machine_init;
mc->block_default_type = IF_SD;
mc->no_parallel = 1;
@@ -308,7 +322,7 @@ static void raspi3_machine_class_init(ObjectClass *oc, void *data)
uint32_t board_rev = (uint32_t)(uintptr_t)data;
rmc->board_rev = board_rev;
- mc->desc = "Raspberry Pi 3B";
+ mc->desc = g_strdup_printf("Raspberry Pi %s", board_type(board_rev));
mc->init = raspi_machine_init;
mc->block_default_type = IF_SD;
mc->no_parallel = 1;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 44/46] hw/arm/raspi: Use a unique raspi_machine_class_init() method
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (42 preceding siblings ...)
2020-02-13 14:41 ` [PULL 43/46] hw/arm/raspi: Extract the board model from the " Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 45/46] hw/arm/raspi: Extract the cores count from the board revision Peter Maydell
` (2 subsequent siblings)
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
With the exception of the ignore_memory_transaction_failures
flag set for the raspi2, both machine_class_init() methods
are now identical. Merge them to keep a unique method.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20200208165645.15657-13-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 31 ++++++-------------------------
1 file changed, 6 insertions(+), 25 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index 0537fc0a2d1..bee6ca0a086 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -294,7 +294,7 @@ static void raspi_machine_init(MachineState *machine)
setup_boot(machine, version, machine->ram_size - vcram_size);
}
-static void raspi2_machine_class_init(ObjectClass *oc, void *data)
+static void raspi_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
RaspiMachineClass *rmc = RASPI_MACHINE_CLASS(oc);
@@ -311,41 +311,22 @@ static void raspi2_machine_class_init(ObjectClass *oc, void *data)
mc->min_cpus = BCM283X_NCPUS;
mc->default_cpus = BCM283X_NCPUS;
mc->default_ram_size = board_ram_size(board_rev);
- mc->ignore_memory_transaction_failures = true;
+ if (board_version(board_rev) == 2) {
+ mc->ignore_memory_transaction_failures = true;
+ }
};
-#ifdef TARGET_AARCH64
-static void raspi3_machine_class_init(ObjectClass *oc, void *data)
-{
- MachineClass *mc = MACHINE_CLASS(oc);
- RaspiMachineClass *rmc = RASPI_MACHINE_CLASS(oc);
- uint32_t board_rev = (uint32_t)(uintptr_t)data;
-
- rmc->board_rev = board_rev;
- mc->desc = g_strdup_printf("Raspberry Pi %s", board_type(board_rev));
- mc->init = raspi_machine_init;
- mc->block_default_type = IF_SD;
- mc->no_parallel = 1;
- mc->no_floppy = 1;
- mc->no_cdrom = 1;
- mc->max_cpus = BCM283X_NCPUS;
- mc->min_cpus = BCM283X_NCPUS;
- mc->default_cpus = BCM283X_NCPUS;
- mc->default_ram_size = board_ram_size(board_rev);
-}
-#endif
-
static const TypeInfo raspi_machine_types[] = {
{
.name = MACHINE_TYPE_NAME("raspi2"),
.parent = TYPE_RASPI_MACHINE,
- .class_init = raspi2_machine_class_init,
+ .class_init = raspi_machine_class_init,
.class_data = (void *)0xa21041,
#ifdef TARGET_AARCH64
}, {
.name = MACHINE_TYPE_NAME("raspi3"),
.parent = TYPE_RASPI_MACHINE,
- .class_init = raspi3_machine_class_init,
+ .class_init = raspi_machine_class_init,
.class_data = (void *)0xa02082,
#endif
}, {
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 45/46] hw/arm/raspi: Extract the cores count from the board revision
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (43 preceding siblings ...)
2020-02-13 14:41 ` [PULL 44/46] hw/arm/raspi: Use a unique raspi_machine_class_init() method Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-13 14:41 ` [PULL 46/46] target/arm: Implement ARMv8.1-VMID16 extension Peter Maydell
2020-02-14 16:43 ` [PULL 00/46] target-arm queue Peter Maydell
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
The count of ARM cores is encoded in the board revision. Add a
helper to extract the number of cores, and use it. This will be
helpful when we add the Raspi0/1 that have a single core.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200208165645.15657-14-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: tweaked commit message as suggested by Igor]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/arm/raspi.c | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index bee6ca0a086..90ad9b81158 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -101,6 +101,21 @@ static const char *board_soc_type(uint32_t board_rev)
return soc_types[proc_id];
}
+static int cores_count(uint32_t board_rev)
+{
+ static const int soc_cores_count[] = {
+ 0, BCM283X_NCPUS, BCM283X_NCPUS,
+ };
+ int proc_id = board_processor_id(board_rev);
+
+ if (proc_id >= ARRAY_SIZE(soc_cores_count) || !soc_cores_count[proc_id]) {
+ error_report("Unsupported processor id '%d' (board revision: 0x%x)",
+ proc_id, board_rev);
+ exit(1);
+ }
+ return soc_cores_count[proc_id];
+}
+
static const char *board_type(uint32_t board_rev)
{
static const char *types[] = {
@@ -307,9 +322,7 @@ static void raspi_machine_class_init(ObjectClass *oc, void *data)
mc->no_parallel = 1;
mc->no_floppy = 1;
mc->no_cdrom = 1;
- mc->max_cpus = BCM283X_NCPUS;
- mc->min_cpus = BCM283X_NCPUS;
- mc->default_cpus = BCM283X_NCPUS;
+ mc->default_cpus = mc->min_cpus = mc->max_cpus = cores_count(board_rev);
mc->default_ram_size = board_ram_size(board_rev);
if (board_version(board_rev) == 2) {
mc->ignore_memory_transaction_failures = true;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* [PULL 46/46] target/arm: Implement ARMv8.1-VMID16 extension
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (44 preceding siblings ...)
2020-02-13 14:41 ` [PULL 45/46] hw/arm/raspi: Extract the cores count from the board revision Peter Maydell
@ 2020-02-13 14:41 ` Peter Maydell
2020-02-14 16:43 ` [PULL 00/46] target-arm queue Peter Maydell
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-13 14:41 UTC (permalink / raw)
To: qemu-devel
The ARMv8.1-VMID16 extension extends the VMID from 8 bits to 16 bits:
* the ID_AA64MMFR1_EL1.VMIDBits field specifies whether the VMID is
8 or 16 bits
* the VMID field in VTTBR_EL2 is extended to 16 bits
* VTCR_EL2.VS lets the guest specify whether to use the full 16 bits,
or use the backwards-compatible 8 bits
For QEMU implementing this is trivial:
* we do not track VMIDs in TLB entries, so we never use the VMID field
* we treat any write to VTTBR_EL2, not just a change to the VMID field
bits, as a "possible VMID change" that causes us to throw away TLB
entries, so that code doesn't need changing
* we allow the guest to read/write the VTCR_EL2.VS bit already
So all that's missing is the ID register part: report that we support
VMID16 in our 'max' CPU.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200210120146.17631-1-peter.maydell@linaro.org
---
target/arm/cpu64.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 1359564c554..f0d98bc79d1 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -674,6 +674,7 @@ static void aarch64_max_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64MMFR1, LO, 1);
t = FIELD_DP64(t, ID_AA64MMFR1, VH, 1);
t = FIELD_DP64(t, ID_AA64MMFR1, PAN, 2); /* ATS1E1 */
+ t = FIELD_DP64(t, ID_AA64MMFR1, VMIDBITS, 2); /* VMID16 */
cpu->isar.id_aa64mmfr1 = t;
t = cpu->isar.id_aa64mmfr2;
--
2.20.1
^ permalink raw reply related [flat|nested] 48+ messages in thread* Re: [PULL 00/46] target-arm queue
2020-02-13 14:40 [PULL 00/46] target-arm queue Peter Maydell
` (45 preceding siblings ...)
2020-02-13 14:41 ` [PULL 46/46] target/arm: Implement ARMv8.1-VMID16 extension Peter Maydell
@ 2020-02-14 16:43 ` Peter Maydell
46 siblings, 0 replies; 48+ messages in thread
From: Peter Maydell @ 2020-02-14 16:43 UTC (permalink / raw)
To: QEMU Developers
On Thu, 13 Feb 2020 at 14:41, Peter Maydell <peter.maydell@linaro.org> wrote:
>
> Big pullreq this week, since it's got RTH's PAN/UAO/ATS1E1
> implementation in it, and also Philippe's raspi board model
> cleanup patchset, as well as a scattering of smaller stuff.
>
> -- PMM
>
>
> The following changes since commit 7ce9ce89930ce260af839fb3e3e5f9101f5c69a0:
>
> Merge remote-tracking branch 'remotes/kraxel/tags/ui-20200212-pull-request' into staging (2020-02-13 11:06:32 +0000)
>
> are available in the Git repository at:
>
> https://git.linaro.org/people/pmaydell/qemu-arm.git tags/pull-target-arm-20200213
>
> for you to fetch changes up to dc7a88d0810ad272bdcd2e0869359af78fdd9114:
>
> target/arm: Implement ARMv8.1-VMID16 extension (2020-02-13 14:30:51 +0000)
>
> ----------------------------------------------------------------
> target-arm queue:
> * i.MX: Fix inverted sense of register bits in watchdog timer
> * i.MX: Add support for WDT on i.MX6
> * arm/virt: cleanups to ACPI tables
> * Implement ARMv8.1-VMID16 extension
> * Implement ARMv8.1-PAN
> * Implement ARMv8.2-UAO
> * Implement ARMv8.2-ATS1E1
> * ast2400/2500/2600: Wire up EHCI controllers
> * hw/char/exynos4210_uart: Fix memleaks in exynos4210_uart_init
> * hw/arm/raspi: Clean up the board code
>
Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/5.0
for any user-visible changes.
-- PMM
^ permalink raw reply [flat|nested] 48+ messages in thread