From: Alistair Francis <alistair.francis@wdc.com>
To: qemu-devel@nongnu.org
Cc: alistair23@gmail.com, alistair.francis@wdc.com
Subject: [PULL 16/18] target/riscv: Support the v0.6 Hypervisor extension CRSs
Date: Tue, 25 Aug 2020 11:48:34 -0700 [thread overview]
Message-ID: <20200825184836.1282371-17-alistair.francis@wdc.com> (raw)
In-Reply-To: <20200825184836.1282371-1-alistair.francis@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 644b6c114b1a81adbee0ab8c9c66a8672059ec96.1597259519.git.alistair.francis@wdc.com
Message-Id: <644b6c114b1a81adbee0ab8c9c66a8672059ec96.1597259519.git.alistair.francis@wdc.com>
---
target/riscv/cpu_bits.h | 3 +++
target/riscv/csr.c | 40 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+)
diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
index 573d85da41..d88e2ea30d 100644
--- a/target/riscv/cpu_bits.h
+++ b/target/riscv/cpu_bits.h
@@ -197,9 +197,12 @@
#define CSR_HIDELEG 0x603
#define CSR_HIE 0x604
#define CSR_HCOUNTEREN 0x606
+#define CSR_HGEIE 0x607
#define CSR_HTVAL 0x643
+#define CSR_HVIP 0x645
#define CSR_HIP 0x644
#define CSR_HTINST 0x64A
+#define CSR_HGEIP 0xE12
#define CSR_HGATP 0x680
#define CSR_HTIMEDELTA 0x605
#define CSR_HTIMEDELTAH 0x615
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 5e50683c58..7dc50e6299 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -883,12 +883,25 @@ static int write_hideleg(CPURISCVState *env, int csrno, target_ulong val)
return 0;
}
+static int rmw_hvip(CPURISCVState *env, int csrno, target_ulong *ret_value,
+ target_ulong new_value, target_ulong write_mask)
+{
+ int ret = rmw_mip(env, 0, ret_value, new_value,
+ write_mask & hip_writable_mask);
+
+ *ret_value &= hip_writable_mask;
+
+ return ret;
+}
+
static int rmw_hip(CPURISCVState *env, int csrno, target_ulong *ret_value,
target_ulong new_value, target_ulong write_mask)
{
int ret = rmw_mip(env, 0, ret_value, new_value,
write_mask & hip_writable_mask);
+ *ret_value &= hip_writable_mask;
+
return ret;
}
@@ -916,6 +929,18 @@ static int write_hcounteren(CPURISCVState *env, int csrno, target_ulong val)
return 0;
}
+static int read_hgeie(CPURISCVState *env, int csrno, target_ulong *val)
+{
+ qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN.");
+ return 0;
+}
+
+static int write_hgeie(CPURISCVState *env, int csrno, target_ulong val)
+{
+ qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN.");
+ return 0;
+}
+
static int read_htval(CPURISCVState *env, int csrno, target_ulong *val)
{
*val = env->htval;
@@ -939,6 +964,18 @@ static int write_htinst(CPURISCVState *env, int csrno, target_ulong val)
return 0;
}
+static int read_hgeip(CPURISCVState *env, int csrno, target_ulong *val)
+{
+ qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN.");
+ return 0;
+}
+
+static int write_hgeip(CPURISCVState *env, int csrno, target_ulong val)
+{
+ qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN.");
+ return 0;
+}
+
static int read_hgatp(CPURISCVState *env, int csrno, target_ulong *val)
{
*val = env->hgatp;
@@ -1341,11 +1378,14 @@ static riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
[CSR_HSTATUS] = { hmode, read_hstatus, write_hstatus },
[CSR_HEDELEG] = { hmode, read_hedeleg, write_hedeleg },
[CSR_HIDELEG] = { hmode, read_hideleg, write_hideleg },
+ [CSR_HVIP] = { hmode, NULL, NULL, rmw_hvip },
[CSR_HIP] = { hmode, NULL, NULL, rmw_hip },
[CSR_HIE] = { hmode, read_hie, write_hie },
[CSR_HCOUNTEREN] = { hmode, read_hcounteren, write_hcounteren },
+ [CSR_HGEIE] = { hmode, read_hgeie, write_hgeie },
[CSR_HTVAL] = { hmode, read_htval, write_htval },
[CSR_HTINST] = { hmode, read_htinst, write_htinst },
+ [CSR_HGEIP] = { hmode, read_hgeip, write_hgeip },
[CSR_HGATP] = { hmode, read_hgatp, write_hgatp },
[CSR_HTIMEDELTA] = { hmode, read_htimedelta, write_htimedelta },
#if defined(TARGET_RISCV32)
--
2.28.0
next prev parent reply other threads:[~2020-08-25 19:08 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-25 18:48 [PULL 00/18] riscv-to-apply queue Alistair Francis
2020-08-25 18:48 ` [PULL 01/18] hw/riscv: Allow creating multiple instances of CLINT Alistair Francis
2020-08-25 18:48 ` [PULL 02/18] hw/riscv: Allow creating multiple instances of PLIC Alistair Francis
2020-08-25 18:48 ` [PULL 03/18] hw/riscv: Add helpers for RISC-V multi-socket NUMA machines Alistair Francis
2020-08-25 18:48 ` [PULL 04/18] hw/riscv: spike: Allow creating multiple NUMA sockets Alistair Francis
2020-08-25 18:48 ` [PULL 05/18] hw/riscv: virt: " Alistair Francis
2021-08-09 9:46 ` Peter Maydell
2021-08-12 14:57 ` Peter Maydell
2020-08-25 18:48 ` [PULL 06/18] target/riscv: Allow setting a two-stage lookup in the virt status Alistair Francis
2020-08-25 18:48 ` [PULL 07/18] target/riscv: Allow generating hlv/hlvx/hsv instructions Alistair Francis
2020-08-25 18:48 ` [PULL 08/18] target/riscv: Do two-stage lookups on " Alistair Francis
2020-08-25 18:48 ` [PULL 09/18] target/riscv: Don't allow guest to write to htinst Alistair Francis
2020-08-25 18:48 ` [PULL 10/18] target/riscv: Convert MSTATUS MTL to GVA Alistair Francis
2020-08-25 18:48 ` [PULL 11/18] target/riscv: Fix the interrupt cause code Alistair Francis
2020-08-25 18:48 ` [PULL 12/18] target/riscv: Update the Hypervisor trap return/entry Alistair Francis
2020-08-25 18:48 ` [PULL 13/18] target/riscv: Update the CSRs to the v0.6 Hyp extension Alistair Francis
2020-08-25 18:48 ` [PULL 14/18] target/riscv: Only support a single VSXL length Alistair Francis
2020-08-25 18:48 ` [PULL 15/18] target/riscv: Only support little endian guests Alistair Francis
2020-08-25 18:48 ` Alistair Francis [this message]
2020-08-25 18:48 ` [PULL 17/18] target/riscv: Return the exception from invalid CSR accesses Alistair Francis
2020-08-25 18:48 ` [PULL 18/18] target/riscv: Support the Virtual Instruction fault Alistair Francis
2020-08-25 21:24 ` [PULL 00/18] riscv-to-apply queue Peter Maydell
2020-08-25 21:21 ` Alistair Francis
2020-08-25 21:49 ` Peter Maydell
2020-08-25 22:30 ` Alistair Francis
2020-08-26 3:21 ` Bin Meng
2020-08-26 9:25 ` Peter Maydell
2020-08-26 10:06 ` Bin Meng
2020-08-27 15:44 ` Alistair Francis
2020-08-29 15:49 ` LIU Zhiwei
2020-08-29 17:30 ` Alistair Francis
2020-08-26 9:28 ` Peter Maydell
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