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* [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA
@ 2011-09-25 12:50 Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 01/14] pci: add pci_address_space_io() Avi Kivity
                   ` (14 more replies)
  0 siblings, 15 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

Please pull from

   git://github.com/avikivity/qemu.git memory/batch

This is the delayed ISA conversion series, now hopefully working across the
board.

Avi Kivity (4):
  mips_malta: move i8259 initialization after piix4 initialization
  mips_jazz: initialize i8259 after the ISA bus
  mips_r4k: initialize i8259 after the ISA bus
  ppc_prep: initialize i8259 after the ISA bus

Richard Henderson (10):
  pci: add pci_address_space_io()
  isa: Pass i/o address space to isa_bus_new
  isa: add isa_register_ioport()
  pc: Re-order pc_init1 to initialize the ISA bus before ISA devices
  cs4231a: Convert to MemoryRegion
  i8254: Convert to MemoryRegion
  i8259: Convert to MemoryRegion
  pckbd: Convert to MemoryRegion
  serial: Convert serial_isa_initfn to MemoryRegion
  fdc: Convert isabus_fdc_init1 to MemoryRegion

 hw/cs4231a.c    |   38 ++++++++++++++++----------------
 hw/fdc.c        |   53 ++++++++++++++++++++++++++++-----------------
 hw/i8254.c      |   16 +++++++++++--
 hw/i8259.c      |   65 ++++++++++++++++++++++++++++++++++++++----------------
 hw/isa-bus.c    |   14 +++++++++++-
 hw/isa.h        |    7 ++++-
 hw/mips_jazz.c  |   21 +++++++++++------
 hw/mips_malta.c |   20 ++++++++++++----
 hw/mips_r4k.c   |    2 +-
 hw/pc.h         |    2 +-
 hw/pc_piix.c    |   24 +++++++++++---------
 hw/pci.c        |    5 ++++
 hw/pci.h        |    1 +
 hw/pckbd.c      |   59 ++++++++++++++++++++++++++++++-------------------
 hw/piix4.c      |    2 +-
 hw/piix_pci.c   |    2 +-
 hw/ppc_prep.c   |    4 +-
 hw/serial.c     |   15 ++++++++++--
 hw/sun4u.c      |    2 +-
 hw/vt82c686.c   |    2 +-
 20 files changed, 232 insertions(+), 122 deletions(-)

-- 
1.7.6.3

^ permalink raw reply	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 01/14] pci: add pci_address_space_io()
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 02/14] isa: Pass i/o address space to isa_bus_new Avi Kivity
                   ` (13 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

From: Richard Henderson <rth@twiddle.net>

Returns the I/O address space.  Useful for implementing
PCI-ISA bridge devices.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/pci.c |    5 +++++
 hw/pci.h |    1 +
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/hw/pci.c b/hw/pci.c
index 5c4f071..749e8d8 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -2124,3 +2124,8 @@ int pci_qdev_find_device(const char *id, PCIDevice **pdev)
 {
     return dev->bus->address_space_mem;
 }
+
+MemoryRegion *pci_address_space_io(PCIDevice *dev)
+{
+    return dev->bus->address_space_io;
+}
diff --git a/hw/pci.h b/hw/pci.h
index 7b62df1..86a81c8 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -218,6 +218,7 @@ void pci_default_write_config(PCIDevice *d,
 void pci_device_save(PCIDevice *s, QEMUFile *f);
 int pci_device_load(PCIDevice *s, QEMUFile *f);
 MemoryRegion *pci_address_space(PCIDevice *dev);
+MemoryRegion *pci_address_space_io(PCIDevice *dev);
 
 typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level);
 typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 02/14] isa: Pass i/o address space to isa_bus_new
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 01/14] pci: add pci_address_space_io() Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 03/14] isa: add isa_register_ioport() Avi Kivity
                   ` (12 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

From: Richard Henderson <rth@twiddle.net>

Not used yet, but at least we're provided with the correct region.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/isa-bus.c   |    4 +++-
 hw/isa.h       |    2 +-
 hw/mips_jazz.c |   17 ++++++++++-------
 hw/mips_r4k.c  |    2 +-
 hw/pc_piix.c   |    2 +-
 hw/piix4.c     |    2 +-
 hw/piix_pci.c  |    2 +-
 hw/ppc_prep.c  |    2 +-
 hw/sun4u.c     |    2 +-
 hw/vt82c686.c  |    2 +-
 10 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/hw/isa-bus.c b/hw/isa-bus.c
index 1cb497f..d067505 100644
--- a/hw/isa-bus.c
+++ b/hw/isa-bus.c
@@ -24,6 +24,7 @@
 
 struct ISABus {
     BusState qbus;
+    MemoryRegion *address_space_io;
     qemu_irq *irqs;
 };
 static ISABus *isabus;
@@ -39,7 +40,7 @@ struct ISABus {
     .get_fw_dev_path = isabus_get_fw_dev_path,
 };
 
-ISABus *isa_bus_new(DeviceState *dev)
+ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space_io)
 {
     if (isabus) {
         fprintf(stderr, "Can't create a second ISA bus\n");
@@ -51,6 +52,7 @@ struct ISABus {
     }
 
     isabus = FROM_QBUS(ISABus, qbus_create(&isa_bus_info, dev, NULL));
+    isabus->address_space_io = address_space_io;
     return isabus;
 }
 
diff --git a/hw/isa.h b/hw/isa.h
index f344699..390e2d4 100644
--- a/hw/isa.h
+++ b/hw/isa.h
@@ -25,7 +25,7 @@ struct ISADeviceInfo {
     isa_qdev_initfn init;
 };
 
-ISABus *isa_bus_new(DeviceState *dev);
+ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space_io);
 void isa_bus_irqs(qemu_irq *irqs);
 qemu_irq isa_get_irq(int isairq);
 void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq);
diff --git a/hw/mips_jazz.c b/hw/mips_jazz.c
index 7cac5da..e1ac147 100644
--- a/hw/mips_jazz.c
+++ b/hw/mips_jazz.c
@@ -102,10 +102,11 @@ static void cpu_request_exit(void *opaque, int irq, int level)
     }
 }
 
-static
-void mips_jazz_init (MemoryRegion *address_space, ram_addr_t ram_size,
-                     const char *cpu_model,
-                     enum jazz_model_e jazz_model)
+static void mips_jazz_init(MemoryRegion *address_space,
+                           MemoryRegion *address_space_io,
+                           ram_addr_t ram_size,
+                           const char *cpu_model,
+                           enum jazz_model_e jazz_model)
 {
     char *filename;
     int bios_size, n;
@@ -181,7 +182,7 @@ void mips_jazz_init (MemoryRegion *address_space, ram_addr_t ram_size,
 
     /* ISA devices */
     i8259 = i8259_init(env->irq[4]);
-    isa_bus_new(NULL);
+    isa_bus_new(NULL, address_space_io);
     isa_bus_irqs(i8259);
     cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
     DMA_init(0, cpu_exit_irq);
@@ -299,7 +300,8 @@ void mips_magnum_init (ram_addr_t ram_size,
                        const char *kernel_filename, const char *kernel_cmdline,
                        const char *initrd_filename, const char *cpu_model)
 {
-    mips_jazz_init(get_system_memory(), ram_size, cpu_model, JAZZ_MAGNUM);
+        mips_jazz_init(get_system_memory(), get_system_io(),
+                       ram_size, cpu_model, JAZZ_MAGNUM);
 }
 
 static
@@ -308,7 +310,8 @@ void mips_pica61_init (ram_addr_t ram_size,
                        const char *kernel_filename, const char *kernel_cmdline,
                        const char *initrd_filename, const char *cpu_model)
 {
-    mips_jazz_init(get_system_memory(), ram_size, cpu_model, JAZZ_PICA61);
+    mips_jazz_init(get_system_memory(), get_system_io(),
+                   ram_size, cpu_model, JAZZ_PICA61);
 }
 
 static QEMUMachine mips_magnum_machine = {
diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c
index 805d02a..a7dc487 100644
--- a/hw/mips_r4k.c
+++ b/hw/mips_r4k.c
@@ -257,7 +257,7 @@ void mips_r4k_init (ram_addr_t ram_size,
 
     /* The PIC is attached to the MIPS CPU INT0 pin */
     i8259 = i8259_init(env->irq[2]);
-    isa_bus_new(NULL);
+    isa_bus_new(NULL, get_system_io());
     isa_bus_irqs(i8259);
 
     rtc_init(2000, NULL);
diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 0144534..1056cc7 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -156,7 +156,7 @@ static void pc_init1(MemoryRegion *system_memory,
     } else {
         pci_bus = NULL;
         i440fx_state = NULL;
-        isa_bus_new(NULL);
+        isa_bus_new(NULL, system_io);
         no_hpet = 1;
     }
     isa_bus_irqs(isa_irq);
diff --git a/hw/piix4.c b/hw/piix4.c
index 9590e7b..2fd1171 100644
--- a/hw/piix4.c
+++ b/hw/piix4.c
@@ -87,7 +87,7 @@ static int piix4_initfn(PCIDevice *dev)
 {
     PIIX4State *d = DO_UPCAST(PIIX4State, dev, dev);
 
-    isa_bus_new(&d->dev.qdev);
+    isa_bus_new(&d->dev.qdev, pci_address_space_io(dev));
     piix4_dev = &d->dev;
     qemu_register_reset(piix4_reset, d);
     return 0;
diff --git a/hw/piix_pci.c b/hw/piix_pci.c
index 8f6ea42..d183443 100644
--- a/hw/piix_pci.c
+++ b/hw/piix_pci.c
@@ -504,7 +504,7 @@ static int piix3_initfn(PCIDevice *dev)
 {
     PIIX3State *d = DO_UPCAST(PIIX3State, dev, dev);
 
-    isa_bus_new(&d->dev.qdev);
+    isa_bus_new(&d->dev.qdev, pci_address_space_io(dev));
     qemu_register_reset(piix3_reset, d);
     return 0;
 }
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
index 515de42..f9325bd 100644
--- a/hw/ppc_prep.c
+++ b/hw/ppc_prep.c
@@ -651,7 +651,7 @@ static void ppc_prep_init (ram_addr_t ram_size,
     i8259 = i8259_init(first_cpu->irq_inputs[PPC6xx_INPUT_INT]);
     pci_bus = pci_prep_init(i8259, get_system_memory(), get_system_io());
     /* Hmm, prep has no pci-isa bridge ??? */
-    isa_bus_new(NULL);
+    isa_bus_new(NULL, get_system_io());
     isa_bus_irqs(i8259);
     //    pci_bus = i440fx_init();
     /* Register 8 MB of ISA IO space (needed for non-contiguous map) */
diff --git a/hw/sun4u.c b/hw/sun4u.c
index 6afb0e7..fbef350 100644
--- a/hw/sun4u.c
+++ b/hw/sun4u.c
@@ -548,7 +548,7 @@ static void dummy_isa_irq_handler(void *opaque, int n, int level)
 {
     EbusState *s = DO_UPCAST(EbusState, pci_dev, pci_dev);
 
-    isa_bus_new(&pci_dev->qdev);
+    isa_bus_new(&pci_dev->qdev, pci_address_space_io(pci_dev));
 
     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
     pci_dev->config[0x05] = 0x00;
diff --git a/hw/vt82c686.c b/hw/vt82c686.c
index b9fcc0e..2845959 100644
--- a/hw/vt82c686.c
+++ b/hw/vt82c686.c
@@ -490,7 +490,7 @@ static int vt82c686b_initfn(PCIDevice *d)
     uint8_t *wmask;
     int i;
 
-    isa_bus_new(&d->qdev);
+    isa_bus_new(&d->qdev, pci_address_space_io(d));
 
     pci_conf = d->config;
     pci_config_set_prog_interface(pci_conf, 0x0);
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 03/14] isa: add isa_register_ioport()
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 01/14] pci: add pci_address_space_io() Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 02/14] isa: Pass i/o address space to isa_bus_new Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 04/14] pc: Re-order pc_init1 to initialize the ISA bus before ISA devices Avi Kivity
                   ` (11 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

From: Richard Henderson <rth@twiddle.net>

To replace isa_init_ioport and isa_init_ioport_range
as the ISA devices are converted to the memory api.

[avi: use memory_region_size()]

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/isa-bus.c |   10 ++++++++++
 hw/isa.h     |    5 ++++-
 2 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/hw/isa-bus.c b/hw/isa-bus.c
index d067505..6c15a31 100644
--- a/hw/isa-bus.c
+++ b/hw/isa-bus.c
@@ -108,6 +108,16 @@ void isa_init_ioport(ISADevice *dev, uint16_t ioport)
     isa_init_ioport_range(dev, ioport, 1);
 }
 
+void isa_register_ioport(ISADevice *dev, MemoryRegion *io, uint16_t start)
+{
+    memory_region_add_subregion(isabus->address_space_io, start, io);
+    if (dev != NULL) {
+        assert(dev->nio < ARRAY_SIZE(dev->io));
+        dev->io[dev->nio++] = io;
+        isa_init_ioport_range(dev, start, memory_region_size(io));
+    }
+}
+
 static int isa_qdev_init(DeviceState *qdev, DeviceInfo *base)
 {
     ISADevice *dev = DO_UPCAST(ISADevice, qdev, qdev);
diff --git a/hw/isa.h b/hw/isa.h
index 390e2d4..432d17a 100644
--- a/hw/isa.h
+++ b/hw/isa.h
@@ -13,10 +13,12 @@ typedef struct ISADeviceInfo ISADeviceInfo;
 
 struct ISADevice {
     DeviceState qdev;
+    MemoryRegion *io[32];
     uint32_t isairq[2];
-    int nirqs;
     uint16_t ioports[32];
+    int nirqs;
     int nioports;
+    int nio;
 };
 
 typedef int (*isa_qdev_initfn)(ISADevice *dev);
@@ -29,6 +31,7 @@ ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space_io);
 void isa_bus_irqs(qemu_irq *irqs);
 qemu_irq isa_get_irq(int isairq);
 void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq);
+void isa_register_ioport(ISADevice *dev, MemoryRegion *io, uint16_t start);
 void isa_init_ioport(ISADevice *dev, uint16_t ioport);
 void isa_init_ioport_range(ISADevice *dev, uint16_t start, uint16_t length);
 void isa_qdev_register(ISADeviceInfo *info);
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 04/14] pc: Re-order pc_init1 to initialize the ISA bus before ISA devices
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (2 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 03/14] isa: add isa_register_ioport() Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 05/14] cs4231a: Convert to MemoryRegion Avi Kivity
                   ` (10 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

From: Richard Henderson <rth@twiddle.net>

In particular, the i8259 was being initialized before the ISA bus,
leading to a crash.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/pc_piix.c |   22 ++++++++++++----------
 1 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 1056cc7..ce1c87f 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -130,17 +130,7 @@ static void pc_init1(MemoryRegion *system_memory,
                        pci_enabled ? rom_memory : system_memory, &ram_memory);
     }
 
-    if (!xen_enabled()) {
-        cpu_irq = pc_allocate_cpu_irq();
-        i8259 = i8259_init(cpu_irq[0]);
-    } else {
-        i8259 = xen_interrupt_controller_init();
-    }
     isa_irq_state = g_malloc0(sizeof(*isa_irq_state));
-    isa_irq_state->i8259 = i8259;
-    if (pci_enabled) {
-        ioapic_init(isa_irq_state);
-    }
     isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
 
     if (pci_enabled) {
@@ -161,6 +151,18 @@ static void pc_init1(MemoryRegion *system_memory,
     }
     isa_bus_irqs(isa_irq);
 
+    if (!xen_enabled()) {
+        cpu_irq = pc_allocate_cpu_irq();
+        i8259 = i8259_init(cpu_irq[0]);
+    } else {
+        i8259 = xen_interrupt_controller_init();
+    }
+
+    isa_irq_state->i8259 = i8259;
+    if (pci_enabled) {
+        ioapic_init(isa_irq_state);
+    }
+
     pc_register_ferr_irq(isa_get_irq(13));
 
     pc_vga_init(pci_enabled? pci_bus: NULL);
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 05/14] cs4231a: Convert to MemoryRegion
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (3 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 04/14] pc: Re-order pc_init1 to initialize the ISA bus before ISA devices Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 06/14] i8254: " Avi Kivity
                   ` (9 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

From: Richard Henderson <rth@twiddle.net>

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/cs4231a.c |   38 +++++++++++++++++++-------------------
 1 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/hw/cs4231a.c b/hw/cs4231a.c
index 598f032..e16665e 100644
--- a/hw/cs4231a.c
+++ b/hw/cs4231a.c
@@ -59,6 +59,7 @@
 typedef struct CSState {
     ISADevice dev;
     QEMUSoundCard card;
+    MemoryRegion ioports;
     qemu_irq pic;
     uint32_t regs[CS_REGS];
     uint8_t dregs[CS_DREGS];
@@ -74,14 +75,6 @@
     int16_t *tab;
 } CSState;
 
-#define IO_READ_PROTO(name)                             \
-    static uint32_t name (void *opaque, uint32_t addr)
-
-#define IO_WRITE_PROTO(name)                                            \
-    static void name (void *opaque, uint32_t addr, uint32_t val)
-
-#define GET_SADDR(addr) (addr & 3)
-
 #define MODE2 (1 << 6)
 #define MCE (1 << 6)
 #define PMCE (1 << 4)
@@ -353,12 +346,12 @@ static void cs_reset_voices (CSState *s, uint32_t val)
     }
 }
 
-IO_READ_PROTO (cs_read)
+static uint64_t cs_read(void *opaque, target_phys_addr_t addr, unsigned size)
 {
     CSState *s = opaque;
     uint32_t saddr, iaddr, ret;
 
-    saddr = GET_SADDR (addr);
+    saddr = addr;
     iaddr = ~0U;
 
     switch (saddr) {
@@ -390,12 +383,14 @@ static void cs_reset_voices (CSState *s, uint32_t val)
     return ret;
 }
 
-IO_WRITE_PROTO (cs_write)
+static void cs_write(void *opaque, target_phys_addr_t addr,
+                     uint64_t val64, unsigned size)
 {
     CSState *s = opaque;
-    uint32_t saddr, iaddr;
+    uint32_t saddr, iaddr, val;
 
-    saddr = GET_SADDR (addr);
+    saddr = addr;
+    val = val64;
 
     switch (saddr) {
     case Index_Address:
@@ -637,18 +632,23 @@ static int cs4231a_post_load (void *opaque, int version_id)
     }
 };
 
+static const MemoryRegionOps cs_ioport_ops = {
+    .read = cs_read,
+    .write = cs_write,
+    .impl = {
+        .min_access_size = 1,
+        .max_access_size = 1,
+    }
+};
+
 static int cs4231a_initfn (ISADevice *dev)
 {
     CSState *s = DO_UPCAST (CSState, dev, dev);
-    int i;
 
     isa_init_irq (dev, &s->pic, s->irq);
 
-    for (i = 0; i < 4; i++) {
-        isa_init_ioport(dev, i);
-        register_ioport_write (s->port + i, 1, 1, cs_write, s);
-        register_ioport_read (s->port + i, 1, 1, cs_read, s);
-    }
+    memory_region_init_io(&s->ioports, &cs_ioport_ops, s, "cs4231a", 4);
+    isa_register_ioport(dev, &s->ioports, s->port);
 
     DMA_register_channel (s->dma, cs_dma_read, s);
 
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 06/14] i8254: Convert to MemoryRegion
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (4 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 05/14] cs4231a: Convert to MemoryRegion Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 07/14] mips_malta: move i8259 initialization after piix4 initialization Avi Kivity
                   ` (8 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

From: Richard Henderson <rth@twiddle.net>

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/i8254.c |   16 +++++++++++++---
 1 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/hw/i8254.c b/hw/i8254.c
index a9ca9f6..12571ef 100644
--- a/hw/i8254.c
+++ b/hw/i8254.c
@@ -55,6 +55,7 @@
 
 typedef struct PITState {
     ISADevice dev;
+    MemoryRegion ioports;
     uint32_t irq;
     uint32_t iobase;
     PITChannelState channels[3];
@@ -506,6 +507,16 @@ void hpet_pit_enable(void)
     pit_load_count(s, 0);
 }
 
+static const MemoryRegionPortio pit_portio[] = {
+    { 0, 4, 1, .write = pit_ioport_write },
+    { 0, 3, 1, .read = pit_ioport_read },
+    PORTIO_END_OF_LIST()
+};
+
+static const MemoryRegionOps pit_ioport_ops = {
+    .old_portio = pit_portio
+};
+
 static int pit_initfn(ISADevice *dev)
 {
     PITState *pit = DO_UPCAST(PITState, dev, dev);
@@ -516,9 +527,8 @@ static int pit_initfn(ISADevice *dev)
     s->irq_timer = qemu_new_timer_ns(vm_clock, pit_irq_timer, s);
     s->irq = isa_get_irq(pit->irq);
 
-    register_ioport_write(pit->iobase, 4, 1, pit_ioport_write, pit);
-    register_ioport_read(pit->iobase, 3, 1, pit_ioport_read, pit);
-    isa_init_ioport(dev, pit->iobase);
+    memory_region_init_io(&pit->ioports, &pit_ioport_ops, pit, "pit", 4);
+    isa_register_ioport(dev, &pit->ioports, pit->iobase);
 
     qdev_set_legacy_instance_id(&dev->qdev, pit->iobase, 2);
 
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 07/14] mips_malta: move i8259 initialization after piix4 initialization
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (5 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 06/14] i8254: " Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 08/14] mips_jazz: initialize i8259 after the ISA bus Avi Kivity
                   ` (7 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

i8259 is an ISA device (or at least, depends on the ISA infrastructure to
register its ioport); and the ISA bus is supplied by piix4.  Later patches
make this dependency explicit.

Use qemu_irq_proxy() to stop the cycle by adding an extra layer of
indirection.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/mips_malta.c |   20 +++++++++++++++-----
 1 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index 0110daa..1ec1228 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -778,7 +778,7 @@ void mips_malta_init (ram_addr_t ram_size,
     int64_t kernel_entry;
     PCIBus *pci_bus;
     CPUState *env;
-    qemu_irq *i8259;
+    qemu_irq *i8259 = NULL, *isa_irq;
     qemu_irq *cpu_exit_irq;
     int piix4_devfn;
     i2c_bus *smbus;
@@ -928,17 +928,27 @@ void mips_malta_init (ram_addr_t ram_size,
     cpu_mips_irq_init_cpu(env);
     cpu_mips_clock_init(env);
 
-    /* Interrupt controller */
-    /* The 8259 is attached to the MIPS CPU INT0 pin, ie interrupt 2 */
-    i8259 = i8259_init(env->irq[2]);
+    /*
+     * We have a circular dependency problem: pci_bus depends on isa_irq,
+     * isa_irq is provided by i8259, i8259 depends on ISA, ISA depends
+     * on piix4, and piix4 depends on pci_bus.  To stop the cycle we have
+     * qemu_irq_proxy() adds an extra bit of indirection, allowing us
+     * to resolve the isa_irq -> i8259 dependency after i8259 is initialized.
+     */
+    isa_irq = qemu_irq_proxy(&i8259, 16);
 
     /* Northbridge */
-    pci_bus = gt64120_register(i8259);
+    pci_bus = gt64120_register(isa_irq);
 
     /* Southbridge */
     ide_drive_get(hd, MAX_IDE_BUS);
 
     piix4_devfn = piix4_init(pci_bus, 80);
+
+    /* Interrupt controller */
+    /* The 8259 is attached to the MIPS CPU INT0 pin, ie interrupt 2 */
+    i8259 = i8259_init(env->irq[2]);
+
     isa_bus_irqs(i8259);
     pci_piix4_ide_init(pci_bus, hd, piix4_devfn + 1);
     usb_uhci_piix4_init(pci_bus, piix4_devfn + 2);
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 08/14] mips_jazz: initialize i8259 after the ISA bus
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (6 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 07/14] mips_malta: move i8259 initialization after piix4 initialization Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 09/14] mips_r4k: " Avi Kivity
                   ` (6 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

Succeeding i8259 conversion to ISA requires this.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/mips_jazz.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/hw/mips_jazz.c b/hw/mips_jazz.c
index e1ac147..2b911c7 100644
--- a/hw/mips_jazz.c
+++ b/hw/mips_jazz.c
@@ -181,8 +181,8 @@ static void mips_jazz_init(MemoryRegion *address_space,
     memory_region_add_subregion(address_space, 0x8000d000, dma_dummy);
 
     /* ISA devices */
-    i8259 = i8259_init(env->irq[4]);
     isa_bus_new(NULL, address_space_io);
+    i8259 = i8259_init(env->irq[4]);
     isa_bus_irqs(i8259);
     cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
     DMA_init(0, cpu_exit_irq);
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 09/14] mips_r4k: initialize i8259 after the ISA bus
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (7 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 08/14] mips_jazz: initialize i8259 after the ISA bus Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 10/14] ppc_prep: " Avi Kivity
                   ` (5 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

Succeeding i8259 conversion to ISA requires this.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/mips_r4k.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c
index a7dc487..d0564d4 100644
--- a/hw/mips_r4k.c
+++ b/hw/mips_r4k.c
@@ -256,8 +256,8 @@ void mips_r4k_init (ram_addr_t ram_size,
     cpu_mips_clock_init(env);
 
     /* The PIC is attached to the MIPS CPU INT0 pin */
-    i8259 = i8259_init(env->irq[2]);
     isa_bus_new(NULL, get_system_io());
+    i8259 = i8259_init(env->irq[2]);
     isa_bus_irqs(i8259);
 
     rtc_init(2000, NULL);
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 10/14] ppc_prep: initialize i8259 after the ISA bus
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (8 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 09/14] mips_r4k: " Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 11/14] i8259: Convert to MemoryRegion Avi Kivity
                   ` (4 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

Succeeding i8259 conversion to ISA requires this.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/ppc_prep.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
index f9325bd..d26049b 100644
--- a/hw/ppc_prep.c
+++ b/hw/ppc_prep.c
@@ -648,10 +648,10 @@ static void ppc_prep_init (ram_addr_t ram_size,
     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
         hw_error("Only 6xx bus is supported on PREP machine\n");
     }
-    i8259 = i8259_init(first_cpu->irq_inputs[PPC6xx_INPUT_INT]);
-    pci_bus = pci_prep_init(i8259, get_system_memory(), get_system_io());
     /* Hmm, prep has no pci-isa bridge ??? */
     isa_bus_new(NULL, get_system_io());
+    i8259 = i8259_init(first_cpu->irq_inputs[PPC6xx_INPUT_INT]);
+    pci_bus = pci_prep_init(i8259, get_system_memory(), get_system_io());
     isa_bus_irqs(i8259);
     //    pci_bus = i440fx_init();
     /* Register 8 MB of ISA IO space (needed for non-contiguous map) */
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 11/14] i8259: Convert to MemoryRegion
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (9 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 10/14] ppc_prep: " Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 12/14] pckbd: " Avi Kivity
                   ` (3 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

From: Richard Henderson <rth@twiddle.net>

The only non-obvious part is pic_poll_read which used
"addr1 >> 7" to detect whether one referred to either
the master or slave PIC.  Instead, test this directly.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/i8259.c |   65 ++++++++++++++++++++++++++++++++++++++++++-----------------
 1 files changed, 46 insertions(+), 19 deletions(-)

diff --git a/hw/i8259.c b/hw/i8259.c
index c0b96ab..e5323ff 100644
--- a/hw/i8259.c
+++ b/hw/i8259.c
@@ -59,6 +59,8 @@
     uint8_t elcr; /* PIIX edge/trigger selection*/
     uint8_t elcr_mask;
     PicState2 *pics_state;
+    MemoryRegion base_io;
+    MemoryRegion elcr_io;
 } PicState;
 
 struct PicState2 {
@@ -284,13 +286,15 @@ static void pic_reset(void *opaque)
     /* Note: ELCR is not reset */
 }
 
-static void pic_ioport_write(void *opaque, uint32_t addr, uint32_t val)
+static void pic_ioport_write(void *opaque, target_phys_addr_t addr64,
+                             uint64_t val64, unsigned size)
 {
     PicState *s = opaque;
+    uint32_t addr = addr64;
+    uint32_t val = val64;
     int priority, cmd, irq;
 
     DPRINTF("write: addr=0x%02x val=0x%02x\n", addr, val);
-    addr &= 1;
     if (addr == 0) {
         if (val & 0x10) {
             /* init */
@@ -374,19 +378,21 @@ static void pic_ioport_write(void *opaque, uint32_t addr, uint32_t val)
     }
 }
 
-static uint32_t pic_poll_read (PicState *s, uint32_t addr1)
+static uint32_t pic_poll_read(PicState *s)
 {
     int ret;
 
     ret = pic_get_irq(s);
     if (ret >= 0) {
-        if (addr1 >> 7) {
+        bool slave = (s == &isa_pic->pics[1]);
+
+        if (slave) {
             s->pics_state->pics[0].isr &= ~(1 << 2);
             s->pics_state->pics[0].irr &= ~(1 << 2);
         }
         s->irr &= ~(1 << ret);
         s->isr &= ~(1 << ret);
-        if (addr1 >> 7 || ret != 2)
+        if (slave || ret != 2)
             pic_update_irq(s->pics_state);
     } else {
         ret = 0x07;
@@ -396,16 +402,15 @@ static uint32_t pic_poll_read (PicState *s, uint32_t addr1)
     return ret;
 }
 
-static uint32_t pic_ioport_read(void *opaque, uint32_t addr1)
+static uint64_t pic_ioport_read(void *opaque, target_phys_addr_t addr1,
+                                unsigned size)
 {
     PicState *s = opaque;
-    unsigned int addr;
+    unsigned int addr = addr1;
     int ret;
 
-    addr = addr1;
-    addr &= 1;
     if (s->poll) {
-        ret = pic_poll_read(s, addr1);
+        ret = pic_poll_read(s);
         s->poll = 0;
     } else {
         if (addr == 0) {
@@ -417,7 +422,7 @@ static uint32_t pic_ioport_read(void *opaque, uint32_t addr1)
             ret = s->imr;
         }
     }
-    DPRINTF("read: addr=0x%02x val=0x%02x\n", addr1, ret);
+    DPRINTF("read: addr=0x%02x val=0x%02x\n", addr, ret);
     return ret;
 }
 
@@ -427,22 +432,24 @@ uint32_t pic_intack_read(PicState2 *s)
 {
     int ret;
 
-    ret = pic_poll_read(&s->pics[0], 0x00);
+    ret = pic_poll_read(&s->pics[0]);
     if (ret == 2)
-        ret = pic_poll_read(&s->pics[1], 0x80) + 8;
+        ret = pic_poll_read(&s->pics[1]) + 8;
     /* Prepare for ISR read */
     s->pics[0].read_reg_select = 1;
 
     return ret;
 }
 
-static void elcr_ioport_write(void *opaque, uint32_t addr, uint32_t val)
+static void elcr_ioport_write(void *opaque, target_phys_addr_t addr,
+                              uint64_t val, unsigned size)
 {
     PicState *s = opaque;
     s->elcr = val & s->elcr_mask;
 }
 
-static uint32_t elcr_ioport_read(void *opaque, uint32_t addr1)
+static uint64_t elcr_ioport_read(void *opaque, target_phys_addr_t addr,
+                                 unsigned size)
 {
     PicState *s = opaque;
     return s->elcr;
@@ -474,15 +481,35 @@ static uint32_t elcr_ioport_read(void *opaque, uint32_t addr1)
     }
 };
 
+static const MemoryRegionOps pic_base_ioport_ops = {
+    .read = pic_ioport_read,
+    .write = pic_ioport_write,
+    .impl = {
+        .min_access_size = 1,
+        .max_access_size = 1,
+    },
+};
+
+static const MemoryRegionOps pic_elcr_ioport_ops = {
+    .read = elcr_ioport_read,
+    .write = elcr_ioport_write,
+    .impl = {
+        .min_access_size = 1,
+        .max_access_size = 1,
+    },
+};
+
 /* XXX: add generic master/slave system */
 static void pic_init1(int io_addr, int elcr_addr, PicState *s)
 {
-    register_ioport_write(io_addr, 2, 1, pic_ioport_write, s);
-    register_ioport_read(io_addr, 2, 1, pic_ioport_read, s);
+    memory_region_init_io(&s->base_io, &pic_base_ioport_ops, s, "pic", 2);
+    memory_region_init_io(&s->elcr_io, &pic_elcr_ioport_ops, s, "elcr", 1);
+
+    isa_register_ioport(NULL, &s->base_io, io_addr);
     if (elcr_addr >= 0) {
-        register_ioport_write(elcr_addr, 1, 1, elcr_ioport_write, s);
-        register_ioport_read(elcr_addr, 1, 1, elcr_ioport_read, s);
+        isa_register_ioport(NULL, &s->elcr_io, elcr_addr);
     }
+
     vmstate_register(NULL, io_addr, &vmstate_pic, s);
     qemu_register_reset(pic_reset, s);
 }
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 12/14] pckbd: Convert to MemoryRegion
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (10 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 11/14] i8259: Convert to MemoryRegion Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 13/14] serial: Convert serial_isa_initfn " Avi Kivity
                   ` (2 subsequent siblings)
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

From: Richard Henderson <rth@twiddle.net>

Slightly non-obvious with mips_jazz passing in the region
structure to populate.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/mips_jazz.c |    4 ++-
 hw/pc.h        |    2 +-
 hw/pckbd.c     |   59 ++++++++++++++++++++++++++++++++++---------------------
 3 files changed, 40 insertions(+), 25 deletions(-)

diff --git a/hw/mips_jazz.c b/hw/mips_jazz.c
index 2b911c7..ea07d32 100644
--- a/hw/mips_jazz.c
+++ b/hw/mips_jazz.c
@@ -115,6 +115,7 @@ static void mips_jazz_init(MemoryRegion *address_space,
     rc4030_dma *dmas;
     void* rc4030_opaque;
     MemoryRegion *rtc = g_new(MemoryRegion, 1);
+    MemoryRegion *i8042 = g_new(MemoryRegion, 1);
     MemoryRegion *dma_dummy = g_new(MemoryRegion, 1);
     NICInfo *nd;
     DeviceState *dev;
@@ -258,7 +259,8 @@ static void mips_jazz_init(MemoryRegion *address_space,
     memory_region_add_subregion(address_space, 0x80004000, rtc);
 
     /* Keyboard (i8042) */
-    i8042_mm_init(rc4030[6], rc4030[7], 0x80005000, 0x1000, 0x1);
+    i8042_mm_init(rc4030[6], rc4030[7], i8042, 0x1000, 0x1);
+    memory_region_add_subregion(address_space, 0x80005000, i8042);
 
     /* Serial ports */
     if (serial_hds[0]) {
diff --git a/hw/pc.h b/hw/pc.h
index 8e75c71..7e6ddba 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -118,7 +118,7 @@ void vmmouse_set_data(const uint32_t *data);
 
 void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base);
 void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
-                   target_phys_addr_t base, ram_addr_t size,
+                   MemoryRegion *region, ram_addr_t size,
                    target_phys_addr_t mask);
 void i8042_isa_mouse_fake_event(void *opaque);
 void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out);
diff --git a/hw/pckbd.c b/hw/pckbd.c
index a272ccd..06b40c5 100644
--- a/hw/pckbd.c
+++ b/hw/pckbd.c
@@ -400,33 +400,27 @@ static void kbd_mm_writeb (void *opaque, target_phys_addr_t addr, uint32_t value
         kbd_write_data(s, 0, value & 0xff);
 }
 
-static CPUReadMemoryFunc * const kbd_mm_read[] = {
-    &kbd_mm_readb,
-    &kbd_mm_readb,
-    &kbd_mm_readb,
-};
-
-static CPUWriteMemoryFunc * const kbd_mm_write[] = {
-    &kbd_mm_writeb,
-    &kbd_mm_writeb,
-    &kbd_mm_writeb,
+static const MemoryRegionOps i8042_mmio_ops = {
+    .endianness = DEVICE_NATIVE_ENDIAN,
+    .old_mmio = {
+        .read = { kbd_mm_readb, kbd_mm_readb, kbd_mm_readb },
+        .write = { kbd_mm_writeb, kbd_mm_writeb, kbd_mm_writeb },
+    },
 };
 
 void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
-                   target_phys_addr_t base, ram_addr_t size,
+                   MemoryRegion *region, ram_addr_t size,
                    target_phys_addr_t mask)
 {
     KBDState *s = g_malloc0(sizeof(KBDState));
-    int s_io_memory;
 
     s->irq_kbd = kbd_irq;
     s->irq_mouse = mouse_irq;
     s->mask = mask;
 
     vmstate_register(NULL, 0, &vmstate_kbd, s);
-    s_io_memory = cpu_register_io_memory(kbd_mm_read, kbd_mm_write, s,
-                                         DEVICE_NATIVE_ENDIAN);
-    cpu_register_physical_memory(base, size, s_io_memory);
+
+    memory_region_init_io(region, &i8042_mmio_ops, s, "i8042", size);
 
     s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s);
     s->mouse = ps2_mouse_init(kbd_update_aux_irq, s);
@@ -435,7 +429,8 @@ void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
 
 typedef struct ISAKBDState {
     ISADevice dev;
-    KBDState  kbd;
+    KBDState kbd;
+    MemoryRegion io[2];
 } ISAKBDState;
 
 void i8042_isa_mouse_fake_event(void *opaque)
@@ -464,19 +459,37 @@ void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out)
     }
 };
 
+static const MemoryRegionPortio i8042_data_portio[] = {
+    { 0, 1, 1, .read = kbd_read_data, .write = kbd_write_data },
+    PORTIO_END_OF_LIST()
+};
+
+static const MemoryRegionPortio i8042_cmd_portio[] = {
+    { 0, 1, 1, .read = kbd_read_status, .write = kbd_write_command },
+    PORTIO_END_OF_LIST()
+};
+
+static const MemoryRegionOps i8042_data_ops = {
+    .old_portio = i8042_data_portio
+};
+
+static const MemoryRegionOps i8042_cmd_ops = {
+    .old_portio = i8042_cmd_portio
+};
+
 static int i8042_initfn(ISADevice *dev)
 {
-    KBDState *s = &(DO_UPCAST(ISAKBDState, dev, dev)->kbd);
+    ISAKBDState *isa_s = DO_UPCAST(ISAKBDState, dev, dev);
+    KBDState *s = &isa_s->kbd;
 
     isa_init_irq(dev, &s->irq_kbd, 1);
     isa_init_irq(dev, &s->irq_mouse, 12);
 
-    register_ioport_read(0x60, 1, 1, kbd_read_data, s);
-    register_ioport_write(0x60, 1, 1, kbd_write_data, s);
-    isa_init_ioport(dev, 0x60);
-    register_ioport_read(0x64, 1, 1, kbd_read_status, s);
-    register_ioport_write(0x64, 1, 1, kbd_write_command, s);
-    isa_init_ioport(dev, 0x64);
+    memory_region_init_io(isa_s->io + 0, &i8042_data_ops, s, "i8042-data", 1);
+    isa_register_ioport(dev, isa_s->io + 0, 0x60);
+
+    memory_region_init_io(isa_s->io + 1, &i8042_cmd_ops, s, "i8042-cmd", 1);
+    isa_register_ioport(dev, isa_s->io + 1, 0x64);
 
     s->kbd = ps2_kbd_init(kbd_update_kbd_irq, s);
     s->mouse = ps2_mouse_init(kbd_update_aux_irq, s);
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 13/14] serial: Convert serial_isa_initfn to MemoryRegion
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (11 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 12/14] pckbd: " Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 14/14] fdc: Convert isabus_fdc_init1 " Avi Kivity
  2011-09-26 13:29 ` [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Anthony Liguori
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

From: Richard Henderson <rth@twiddle.net>

The serial_mm_init path is as yet unconverted.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/serial.c |   15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/hw/serial.c b/hw/serial.c
index ed7fd0a..2e6d212 100644
--- a/hw/serial.c
+++ b/hw/serial.c
@@ -157,6 +157,7 @@ struct SerialState {
 
 typedef struct ISASerialState {
     ISADevice dev;
+    MemoryRegion io;
     uint32_t index;
     uint32_t iobase;
     uint32_t isairq;
@@ -755,6 +756,15 @@ void serial_set_frequency(SerialState *s, uint32_t frequency)
 static const int isa_serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
 static const int isa_serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
 
+static const MemoryRegionPortio serial_portio[] = {
+    { 0, 8, 1, .read = serial_ioport_read, .write = serial_ioport_write },
+    PORTIO_END_OF_LIST()
+};
+
+static const MemoryRegionOps serial_io_ops = {
+    .old_portio = serial_portio
+};
+
 static int serial_isa_initfn(ISADevice *dev)
 {
     static int index;
@@ -776,9 +786,8 @@ static int serial_isa_initfn(ISADevice *dev)
     serial_init_core(s);
     qdev_set_legacy_instance_id(&dev->qdev, isa->iobase, 3);
 
-    register_ioport_write(isa->iobase, 8, 1, serial_ioport_write, s);
-    register_ioport_read(isa->iobase, 8, 1, serial_ioport_read, s);
-    isa_init_ioport_range(dev, isa->iobase, 8);
+    memory_region_init_io(&isa->io, &serial_io_ops, s, "serial", 8);
+    isa_register_ioport(dev, &isa->io, isa->iobase);
     return 0;
 }
 
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* [Qemu-devel] [PATCH 14/14] fdc: Convert isabus_fdc_init1 to MemoryRegion
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (12 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 13/14] serial: Convert serial_isa_initfn " Avi Kivity
@ 2011-09-25 12:50 ` Avi Kivity
  2011-09-26 13:29 ` [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Anthony Liguori
  14 siblings, 0 replies; 16+ messages in thread
From: Avi Kivity @ 2011-09-25 12:50 UTC (permalink / raw)
  To: Anthony Liguori, qemu-devel

From: Richard Henderson <rth@twiddle.net>

This requires some amount of hoop-jumping, so that we don't
inadvertently claim port 0x3f6, which is used by ISA IDE.

The sysbus initialization path is as yet unconverted.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/fdc.c |   53 +++++++++++++++++++++++++++++++++--------------------
 1 files changed, 33 insertions(+), 20 deletions(-)

diff --git a/hw/fdc.c b/hw/fdc.c
index 433af73..0f1cee9 100644
--- a/hw/fdc.c
+++ b/hw/fdc.c
@@ -424,6 +424,7 @@ struct FDCtrl {
 
 typedef struct FDCtrlISABus {
     ISADevice busdev;
+    MemoryRegion io_0, io_7;
     struct FDCtrl state;
     int32_t bootindexA;
     int32_t bootindexB;
@@ -489,16 +490,6 @@ static void fdctrl_write (void *opaque, uint32_t reg, uint32_t value)
     }
 }
 
-static uint32_t fdctrl_read_port (void *opaque, uint32_t reg)
-{
-    return fdctrl_read(opaque, reg & 7);
-}
-
-static void fdctrl_write_port (void *opaque, uint32_t reg, uint32_t value)
-{
-    fdctrl_write(opaque, reg & 7, value);
-}
-
 static uint32_t fdctrl_read_mem (void *opaque, target_phys_addr_t reg)
 {
     return fdctrl_read(opaque, (uint32_t)reg);
@@ -1889,6 +1880,34 @@ static int fdctrl_init_common(FDCtrl *fdctrl)
     return fdctrl_connect_drives(fdctrl);
 }
 
+static uint32_t fdctrl_read_port_7(void *opaque, uint32_t reg)
+{
+    return fdctrl_read(opaque, reg + 7);
+}
+
+static void fdctrl_write_port_7(void *opaque, uint32_t reg, uint32_t value)
+{
+    fdctrl_write(opaque, reg + 7, value);
+}
+
+static const MemoryRegionPortio fdc_portio_0[] = {
+    { 1, 5, 1, .read = fdctrl_read, .write = fdctrl_write },
+    PORTIO_END_OF_LIST()
+};
+
+static const MemoryRegionPortio fdc_portio_7[] = {
+    { 0, 1, 1, .read = fdctrl_read_port_7, .write = fdctrl_write_port_7 },
+    PORTIO_END_OF_LIST()
+};
+
+static const MemoryRegionOps fdc_ioport_0_ops = {
+    .old_portio = fdc_portio_0
+};
+
+static const MemoryRegionOps fdc_ioport_7_ops = {
+    .old_portio = fdc_portio_7
+};
+
 static int isabus_fdc_init1(ISADevice *dev)
 {
     FDCtrlISABus *isa = DO_UPCAST(FDCtrlISABus, busdev, dev);
@@ -1898,16 +1917,10 @@ static int isabus_fdc_init1(ISADevice *dev)
     int dma_chann = 2;
     int ret;
 
-    register_ioport_read(iobase + 0x01, 5, 1,
-                         &fdctrl_read_port, fdctrl);
-    register_ioport_read(iobase + 0x07, 1, 1,
-                         &fdctrl_read_port, fdctrl);
-    register_ioport_write(iobase + 0x01, 5, 1,
-                          &fdctrl_write_port, fdctrl);
-    register_ioport_write(iobase + 0x07, 1, 1,
-                          &fdctrl_write_port, fdctrl);
-    isa_init_ioport_range(dev, iobase, 6);
-    isa_init_ioport(dev, iobase + 7);
+    memory_region_init_io(&isa->io_0, &fdc_ioport_0_ops, fdctrl, "fdc", 6);
+    memory_region_init_io(&isa->io_7, &fdc_ioport_7_ops, fdctrl, "fdc", 1);
+    isa_register_ioport(dev, &isa->io_0, iobase);
+    isa_register_ioport(dev, &isa->io_7, iobase + 7);
 
     isa_init_irq(&isa->busdev, &fdctrl->irq, isairq);
     fdctrl->dma_chann = dma_chann;
-- 
1.7.6.3

^ permalink raw reply related	[flat|nested] 16+ messages in thread

* Re: [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA
  2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
                   ` (13 preceding siblings ...)
  2011-09-25 12:50 ` [Qemu-devel] [PATCH 14/14] fdc: Convert isabus_fdc_init1 " Avi Kivity
@ 2011-09-26 13:29 ` Anthony Liguori
  14 siblings, 0 replies; 16+ messages in thread
From: Anthony Liguori @ 2011-09-26 13:29 UTC (permalink / raw)
  To: Avi Kivity; +Cc: qemu-devel

On 09/25/2011 07:50 AM, Avi Kivity wrote:
> Please pull from
>
>     git://github.com/avikivity/qemu.git memory/batch
>
> This is the delayed ISA conversion series, now hopefully working across the
> board.

Pulled.  Thanks.

Regards,

Anthony Liguori

> Avi Kivity (4):
>    mips_malta: move i8259 initialization after piix4 initialization
>    mips_jazz: initialize i8259 after the ISA bus
>    mips_r4k: initialize i8259 after the ISA bus
>    ppc_prep: initialize i8259 after the ISA bus
>
> Richard Henderson (10):
>    pci: add pci_address_space_io()
>    isa: Pass i/o address space to isa_bus_new
>    isa: add isa_register_ioport()
>    pc: Re-order pc_init1 to initialize the ISA bus before ISA devices
>    cs4231a: Convert to MemoryRegion
>    i8254: Convert to MemoryRegion
>    i8259: Convert to MemoryRegion
>    pckbd: Convert to MemoryRegion
>    serial: Convert serial_isa_initfn to MemoryRegion
>    fdc: Convert isabus_fdc_init1 to MemoryRegion
>
>   hw/cs4231a.c    |   38 ++++++++++++++++----------------
>   hw/fdc.c        |   53 ++++++++++++++++++++++++++++-----------------
>   hw/i8254.c      |   16 +++++++++++--
>   hw/i8259.c      |   65 ++++++++++++++++++++++++++++++++++++++----------------
>   hw/isa-bus.c    |   14 +++++++++++-
>   hw/isa.h        |    7 ++++-
>   hw/mips_jazz.c  |   21 +++++++++++------
>   hw/mips_malta.c |   20 ++++++++++++----
>   hw/mips_r4k.c   |    2 +-
>   hw/pc.h         |    2 +-
>   hw/pc_piix.c    |   24 +++++++++++---------
>   hw/pci.c        |    5 ++++
>   hw/pci.h        |    1 +
>   hw/pckbd.c      |   59 ++++++++++++++++++++++++++++++-------------------
>   hw/piix4.c      |    2 +-
>   hw/piix_pci.c   |    2 +-
>   hw/ppc_prep.c   |    4 +-
>   hw/serial.c     |   15 ++++++++++--
>   hw/sun4u.c      |    2 +-
>   hw/vt82c686.c   |    2 +-
>   20 files changed, 232 insertions(+), 122 deletions(-)
>

^ permalink raw reply	[flat|nested] 16+ messages in thread

end of thread, other threads:[~2011-09-26 13:29 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-09-25 12:50 [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 01/14] pci: add pci_address_space_io() Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 02/14] isa: Pass i/o address space to isa_bus_new Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 03/14] isa: add isa_register_ioport() Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 04/14] pc: Re-order pc_init1 to initialize the ISA bus before ISA devices Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 05/14] cs4231a: Convert to MemoryRegion Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 06/14] i8254: " Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 07/14] mips_malta: move i8259 initialization after piix4 initialization Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 08/14] mips_jazz: initialize i8259 after the ISA bus Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 09/14] mips_r4k: " Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 10/14] ppc_prep: " Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 11/14] i8259: Convert to MemoryRegion Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 12/14] pckbd: " Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 13/14] serial: Convert serial_isa_initfn " Avi Kivity
2011-09-25 12:50 ` [Qemu-devel] [PATCH 14/14] fdc: Convert isabus_fdc_init1 " Avi Kivity
2011-09-26 13:29 ` [Qemu-devel] [PULL 00/14] Memory API conversion batch 9: ISA Anthony Liguori

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