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[3/5] target/riscv: Fix pointer mask transformation for vector address

Message ID 20230327100027.61160-4-liweiwei@iscas.ac.cn
State New
Headers show
Series target/riscv: Fix pointer mask related support | expand

Commit Message

Weiwei Li March 27, 2023, 10 a.m. UTC 
actual_address = (requested_address & ~mpmmask) | mpmbase.

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
---
 target/riscv/vector_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Daniel Henrique Barboza March 27, 2023, 1:20 p.m. UTC | #1 
On 3/27/23 07:00, Weiwei Li wrote:
> actual_address = (requested_address & ~mpmmask) | mpmbase.
> 
> Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
> ---
>   target/riscv/vector_helper.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
> index 2423affe37..a58d82af8c 100644
> --- a/target/riscv/vector_helper.c
> +++ b/target/riscv/vector_helper.c
> @@ -172,7 +172,7 @@ static inline uint32_t vext_get_total_elems(CPURISCVState *env, uint32_t desc,
>   
>   static inline target_ulong adjust_addr(CPURISCVState *env, target_ulong addr)
>   {
> -    return (addr & env->cur_pmmask) | env->cur_pmbase;
> +    return (addr & ~env->cur_pmmask) | env->cur_pmbase;

I'm impressed that this flew under the radar for so long.


Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>


>   }
>   
>   /*
LIU Zhiwei March 28, 2023, 2:21 a.m. UTC | #2 
On 2023/3/27 18:00, Weiwei Li wrote:
> actual_address = (requested_address & ~mpmmask) | mpmbase.
>
> Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
> ---
>   target/riscv/vector_helper.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
> index 2423affe37..a58d82af8c 100644
> --- a/target/riscv/vector_helper.c
> +++ b/target/riscv/vector_helper.c
> @@ -172,7 +172,7 @@ static inline uint32_t vext_get_total_elems(CPURISCVState *env, uint32_t desc,
>   
>   static inline target_ulong adjust_addr(CPURISCVState *env, target_ulong addr)
>   {
> -    return (addr & env->cur_pmmask) | env->cur_pmbase;
> +    return (addr & ~env->cur_pmmask) | env->cur_pmbase;

It's my typo. Thanks.

Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>

Zhiwei

>   }
>   
>   /*
diff mbox series

Patch

diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 2423affe37..a58d82af8c 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -172,7 +172,7 @@  static inline uint32_t vext_get_total_elems(CPURISCVState *env, uint32_t desc,
 
 static inline target_ulong adjust_addr(CPURISCVState *env, target_ulong addr)
 {
-    return (addr & env->cur_pmmask) | env->cur_pmbase;
+    return (addr & ~env->cur_pmmask) | env->cur_pmbase;
 }
 
 /*