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authorRichard Henderson <richard.henderson@linaro.org>2023-04-12 13:43:21 +0200
committerAlistair Francis <alistair.francis@wdc.com>2023-05-05 10:49:50 +1000
commit340b5805dbf42c0cb26eaa64d069bf3b43ee4f55 (patch)
tree1a7bc9be591bcf1ff71cdc44e0a94eae34aa6558 /target/riscv
parent4005a799f190e8c07afa45c88b1b45a9df00ee92 (diff)
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target/riscv: Introduce mmuidx_priv
Use the priv level encoded into the mmu_idx, rather than starting from env->priv. We have already checked MPRV+MPP in riscv_cpu_mmu_index -- no need to repeat that. 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: <20230325105429.1142530-14-richard.henderson@linaro.org> Message-Id: <20230412114333.118895-14-richard.henderson@linaro.org> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv')
-rw-r--r--target/riscv/cpu_helper.c6
-rw-r--r--target/riscv/internals.h9
2 files changed, 10 insertions, 5 deletions
diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 29ee9b1..57bb19c 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -758,7 +758,7 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical,
*/
MemTxResult res;
MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED;
- int mode = env->priv;
+ int mode = mmuidx_priv(mmu_idx);
bool use_background = false;
hwaddr ppn;
int napot_bits = 0;
@@ -781,10 +781,6 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical,
*/
if (riscv_cpu_two_stage_lookup(mmu_idx)) {
mode = get_field(env->hstatus, HSTATUS_SPVP);
- } else if (mode == PRV_M && access_type != MMU_INST_FETCH) {
- if (get_field(env->mstatus, MSTATUS_MPRV)) {
- mode = get_field(env->mstatus, MSTATUS_MPP);
- }
}
if (first_stage == false) {
diff --git a/target/riscv/internals.h b/target/riscv/internals.h
index 0b61f33..4aa1cb4 100644
--- a/target/riscv/internals.h
+++ b/target/riscv/internals.h
@@ -37,6 +37,15 @@
#define MMUIdx_M 3
#define MMU_2STAGE_BIT (1 << 2)
+static inline int mmuidx_priv(int mmu_idx)
+{
+ int ret = mmu_idx & 3;
+ if (ret == MMUIdx_S_SUM) {
+ ret = PRV_S;
+ }
+ return ret;
+}
+
static inline bool mmuidx_sum(int mmu_idx)
{
return (mmu_idx & 3) == MMUIdx_S_SUM;