* [PATCH] target/riscv: Correct a comment in riscv_csrrw()
@ 2021-08-07 14:10 Bin Meng
2021-08-07 23:21 ` Alistair Francis
2021-08-09 1:04 ` Alistair Francis
0 siblings, 2 replies; 3+ messages in thread
From: Bin Meng @ 2021-08-07 14:10 UTC (permalink / raw)
To: Alistair Francis, qemu-devel, qemu-riscv
When privilege check fails, RISCV_EXCP_ILLEGAL_INST is returned,
not -1 (RISCV_EXCP_NONE).
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
---
target/riscv/csr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 9a4ed18ac5..e747fbe0e9 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -1423,7 +1423,7 @@ RISCVException riscv_csrrw(CPURISCVState *env, int csrno,
target_ulong old_value;
RISCVCPU *cpu = env_archcpu(env);
- /* check privileges and return -1 if check fails */
+ /* check privileges and return RISCV_EXCP_ILLEGAL_INST if check fails */
#if !defined(CONFIG_USER_ONLY)
int effective_priv = env->priv;
int read_only = get_field(csrno, 0xC00) == 3;
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] target/riscv: Correct a comment in riscv_csrrw()
2021-08-07 14:10 [PATCH] target/riscv: Correct a comment in riscv_csrrw() Bin Meng
@ 2021-08-07 23:21 ` Alistair Francis
2021-08-09 1:04 ` Alistair Francis
1 sibling, 0 replies; 3+ messages in thread
From: Alistair Francis @ 2021-08-07 23:21 UTC (permalink / raw)
To: Bin Meng
Cc: open list:RISC-V, Alistair Francis,
qemu-devel@nongnu.org Developers
On Sun, Aug 8, 2021 at 12:10 AM Bin Meng <bmeng.cn@gmail.com> wrote:
>
> When privilege check fails, RISCV_EXCP_ILLEGAL_INST is returned,
> not -1 (RISCV_EXCP_NONE).
>
> Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
>
> target/riscv/csr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 9a4ed18ac5..e747fbe0e9 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -1423,7 +1423,7 @@ RISCVException riscv_csrrw(CPURISCVState *env, int csrno,
> target_ulong old_value;
> RISCVCPU *cpu = env_archcpu(env);
>
> - /* check privileges and return -1 if check fails */
> + /* check privileges and return RISCV_EXCP_ILLEGAL_INST if check fails */
> #if !defined(CONFIG_USER_ONLY)
> int effective_priv = env->priv;
> int read_only = get_field(csrno, 0xC00) == 3;
> --
> 2.25.1
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] target/riscv: Correct a comment in riscv_csrrw()
2021-08-07 14:10 [PATCH] target/riscv: Correct a comment in riscv_csrrw() Bin Meng
2021-08-07 23:21 ` Alistair Francis
@ 2021-08-09 1:04 ` Alistair Francis
1 sibling, 0 replies; 3+ messages in thread
From: Alistair Francis @ 2021-08-09 1:04 UTC (permalink / raw)
To: Bin Meng
Cc: open list:RISC-V, Alistair Francis,
qemu-devel@nongnu.org Developers
On Sun, Aug 8, 2021 at 12:10 AM Bin Meng <bmeng.cn@gmail.com> wrote:
>
> When privilege check fails, RISCV_EXCP_ILLEGAL_INST is returned,
> not -1 (RISCV_EXCP_NONE).
>
> Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Thanks!
Applied to riscv-to-apply.next
Alistair
> ---
>
> target/riscv/csr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 9a4ed18ac5..e747fbe0e9 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -1423,7 +1423,7 @@ RISCVException riscv_csrrw(CPURISCVState *env, int csrno,
> target_ulong old_value;
> RISCVCPU *cpu = env_archcpu(env);
>
> - /* check privileges and return -1 if check fails */
> + /* check privileges and return RISCV_EXCP_ILLEGAL_INST if check fails */
> #if !defined(CONFIG_USER_ONLY)
> int effective_priv = env->priv;
> int read_only = get_field(csrno, 0xC00) == 3;
> --
> 2.25.1
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-08-09 1:06 UTC | newest]
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2021-08-07 14:10 [PATCH] target/riscv: Correct a comment in riscv_csrrw() Bin Meng
2021-08-07 23:21 ` Alistair Francis
2021-08-09 1:04 ` Alistair Francis
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