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[PULL 71/89] target/riscv: Move hstatus.spvp check to check_access_hlsv
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From: |
Alistair Francis |
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Subject: |
[PULL 71/89] target/riscv: Move hstatus.spvp check to check_access_hlsv |
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Date: |
Fri, 5 May 2023 11:02:23 +1000 |
From: Richard Henderson <richard.henderson@linaro.org>
The current cpu_mmu_index value is really irrelevant to
the HLV/HSV lookup. Provide the correct priv level directly.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Tested-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230325105429.1142530-16-richard.henderson@linaro.org>
Message-Id: <20230412114333.118895-16-richard.henderson@linaro.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/cpu_helper.c | 10 +---------
target/riscv/op_helper.c | 2 +-
2 files changed, 2 insertions(+), 10 deletions(-)
diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 9dfd1d739b..ccba3c45e7 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -770,14 +770,6 @@ static int get_physical_address(CPURISCVState *env, hwaddr
*physical,
use_background = true;
}
- /*
- * MPRV does not affect the virtual-machine load/store
- * instructions, HLV, HLVX, and HSV.
- */
- if (mmuidx_2stage(mmu_idx)) {
- mode = get_field(env->hstatus, HSTATUS_SPVP);
- }
-
if (first_stage == false) {
/*
* We are in stage 2 translation, this is similar to stage 1.
@@ -1250,7 +1242,7 @@ bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int
size,
* instructions, HLV, HLVX, and HSV.
*/
if (mmuidx_2stage(mmu_idx)) {
- mode = get_field(env->hstatus, HSTATUS_SPVP);
+ ;
} else if (mode == PRV_M && access_type != MMU_INST_FETCH &&
get_field(env->mstatus, MSTATUS_MPRV)) {
mode = get_field(env->mstatus, MSTATUS_MPP);
diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c
index 6122f5fbe5..f83f7b5347 100644
--- a/target/riscv/op_helper.c
+++ b/target/riscv/op_helper.c
@@ -437,7 +437,7 @@ static int check_access_hlsv(CPURISCVState *env, bool x,
uintptr_t ra)
riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, ra);
}
- return cpu_mmu_index(env, x) | MMU_2STAGE_BIT;
+ return get_field(env->hstatus, HSTATUS_SPVP) | MMU_2STAGE_BIT;
}
target_ulong helper_hyp_hlv_bu(CPURISCVState *env, target_ulong addr)
--
2.40.0
- [PULL 59/89] target/riscv: Add a general status enum for extensions, (continued)
- [PULL 59/89] target/riscv: Add a general status enum for extensions, Alistair Francis, 2023/05/04
- [PULL 62/89] target/riscv: Add a tb flags field for vstart, Alistair Francis, 2023/05/04
- [PULL 63/89] target/riscv: Separate priv from mmu_idx, Alistair Francis, 2023/05/04
- [PULL 65/89] target/riscv: Use cpu_ld*_code_mmu for HLVX, Alistair Francis, 2023/05/04
- [PULL 67/89] target/riscv: Rename MMU_HYP_ACCESS_BIT to MMU_2STAGE_BIT, Alistair Francis, 2023/05/04
- [PULL 68/89] target/riscv: Introduce mmuidx_sum, Alistair Francis, 2023/05/04
- [PULL 64/89] target/riscv: Reduce overhead of MSTATUS_SUM change, Alistair Francis, 2023/05/04
- [PULL 66/89] target/riscv: Handle HLV, HSV via helpers, Alistair Francis, 2023/05/04
- [PULL 70/89] target/riscv: Introduce mmuidx_2stage, Alistair Francis, 2023/05/04
- [PULL 69/89] target/riscv: Introduce mmuidx_priv, Alistair Francis, 2023/05/04
- [PULL 71/89] target/riscv: Move hstatus.spvp check to check_access_hlsv,
Alistair Francis <=
- [PULL 72/89] target/riscv: Set MMU_2STAGE_BIT in riscv_cpu_mmu_index, Alistair Francis, 2023/05/04
- [PULL 74/89] target/riscv: Hoist second stage mode change to callers, Alistair Francis, 2023/05/04
- [PULL 73/89] target/riscv: Check SUM in the correct register, Alistair Francis, 2023/05/04
- [PULL 75/89] target/riscv: Hoist pbmte and hade out of the level loop, Alistair Francis, 2023/05/04
- [PULL 77/89] target/riscv: Suppress pte update with is_debug, Alistair Francis, 2023/05/04
- [PULL 76/89] target/riscv: Move leaf pte processing out of level loop, Alistair Francis, 2023/05/04
- [PULL 78/89] target/riscv: Don't modify SUM with is_debug, Alistair Francis, 2023/05/04
- [PULL 81/89] target/riscv: Reorg sum check in get_physical_address, Alistair Francis, 2023/05/04
- [PULL 79/89] target/riscv: Merge checks for reserved pte flags, Alistair Francis, 2023/05/04
- [PULL 80/89] target/riscv: Reorg access check in get_physical_address, Alistair Francis, 2023/05/04