diff mbox series

[v6,12/25] target/riscv: Introduce mmuidx_sum

Message ID 20230325105429.1142530-13-richard.henderson@linaro.org
State Superseded
Headers show
Series target/riscv: MSTATUS_SUM + cleanups | expand

Commit Message

Richard Henderson March 25, 2023, 10:54 a.m. UTC
In get_physical_address, we should use the setting passed
via mmu_idx rather than checking env->mstatus directly.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/riscv/internals.h  | 5 +++++
 target/riscv/cpu_helper.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

Comments

Alistair Francis April 11, 2023, 3:39 a.m. UTC | #1
On Sat, Mar 25, 2023 at 9:55 PM Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> In get_physical_address, we should use the setting passed
> via mmu_idx rather than checking env->mstatus directly.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  target/riscv/internals.h  | 5 +++++
>  target/riscv/cpu_helper.c | 2 +-
>  2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/target/riscv/internals.h b/target/riscv/internals.h
> index 7b63c0f1b6..0b61f337dd 100644
> --- a/target/riscv/internals.h
> +++ b/target/riscv/internals.h
> @@ -37,6 +37,11 @@
>  #define MMUIdx_M            3
>  #define MMU_2STAGE_BIT      (1 << 2)
>
> +static inline bool mmuidx_sum(int mmu_idx)
> +{
> +    return (mmu_idx & 3) == MMUIdx_S_SUM;
> +}
> +
>  /* share data between vector helpers and decode code */
>  FIELD(VDATA, VM, 0, 1)
>  FIELD(VDATA, LMUL, 1, 3)
> diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
> index 888f7ae0ef..7e6cd8e0fd 100644
> --- a/target/riscv/cpu_helper.c
> +++ b/target/riscv/cpu_helper.c
> @@ -852,7 +852,7 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical,
>          widened = 2;
>      }
>      /* status.SUM will be ignored if execute on background */
> -    sum = get_field(env->mstatus, MSTATUS_SUM) || use_background || is_debug;
> +    sum = mmuidx_sum(mmu_idx) || use_background || is_debug;
>      switch (vm) {
>      case VM_1_10_SV32:
>        levels = 2; ptidxbits = 10; ptesize = 4; break;
> --
> 2.34.1
>
>
diff mbox series

Patch

diff --git a/target/riscv/internals.h b/target/riscv/internals.h
index 7b63c0f1b6..0b61f337dd 100644
--- a/target/riscv/internals.h
+++ b/target/riscv/internals.h
@@ -37,6 +37,11 @@ 
 #define MMUIdx_M            3
 #define MMU_2STAGE_BIT      (1 << 2)
 
+static inline bool mmuidx_sum(int mmu_idx)
+{
+    return (mmu_idx & 3) == MMUIdx_S_SUM;
+}
+
 /* share data between vector helpers and decode code */
 FIELD(VDATA, VM, 0, 1)
 FIELD(VDATA, LMUL, 1, 3)
diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 888f7ae0ef..7e6cd8e0fd 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -852,7 +852,7 @@  static int get_physical_address(CPURISCVState *env, hwaddr *physical,
         widened = 2;
     }
     /* status.SUM will be ignored if execute on background */
-    sum = get_field(env->mstatus, MSTATUS_SUM) || use_background || is_debug;
+    sum = mmuidx_sum(mmu_idx) || use_background || is_debug;
     switch (vm) {
     case VM_1_10_SV32:
       levels = 2; ptidxbits = 10; ptesize = 4; break;