target/riscv: Move hstatus.spvp check to check_access_hlsv

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>

diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 9dfd1d7..ccba3c4 100644 (file)
--- 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 6122f5f..f83f7b5 100644 (file)
--- 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)