diff mbox series

[1/1] target/riscv/cpu.c: Add 'fcsr' register to QEMU log as a part of F extension

Message ID 20240902103433.18424-1-m.klauchek@syntacore.com (mailing list archive)
State New, archived
Headers show
Series [1/1] target/riscv/cpu.c: Add 'fcsr' register to QEMU log as a part of F extension | expand

Commit Message

Maria Klauchek Sept. 2, 2024, 10:34 a.m. UTC
FCSR is a part of F extension. Print it to log if FPU option is enabled.

Signed-off-by: Maria Klauchek <m.klauchek@syntacore.com>
---
 target/riscv/cpu.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Daniel Henrique Barboza Sept. 3, 2024, 9:54 p.m. UTC | #1
On 9/2/24 7:34 AM, Maria Klauchek wrote:
> FCSR is a part of F extension. Print it to log if FPU option is enabled.
> 
> Signed-off-by: Maria Klauchek <m.klauchek@syntacore.com>
> ---

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

>   target/riscv/cpu.c | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index a90808a3ba..6ff6096777 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -839,6 +839,12 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>           }
>       }
>       if (flags & CPU_DUMP_FPU) {
> +        target_ulong val = 0;
> +        RISCVException res = riscv_csrrw_debug(env, CSR_FCSR, &val, 0, 0);
> +        if (res == RISCV_EXCP_NONE) {
> +            qemu_fprintf(f, " %-8s " TARGET_FMT_lx "\n",
> +                    csr_ops[CSR_FCSR].name, val);
> +        }
>           for (i = 0; i < 32; i++) {
>               qemu_fprintf(f, " %-8s %016" PRIx64,
>                            riscv_fpr_regnames[i], env->fpr[i]);
Alistair Francis Sept. 4, 2024, 12:21 a.m. UTC | #2
On Mon, Sep 2, 2024 at 11:38 PM Maria Klauchek <m.klauchek@syntacore.com> wrote:
>
> FCSR is a part of F extension. Print it to log if FPU option is enabled.
>
> Signed-off-by: Maria Klauchek <m.klauchek@syntacore.com>

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

Alistair

> ---
>  target/riscv/cpu.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index a90808a3ba..6ff6096777 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -839,6 +839,12 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>          }
>      }
>      if (flags & CPU_DUMP_FPU) {
> +        target_ulong val = 0;
> +        RISCVException res = riscv_csrrw_debug(env, CSR_FCSR, &val, 0, 0);
> +        if (res == RISCV_EXCP_NONE) {
> +            qemu_fprintf(f, " %-8s " TARGET_FMT_lx "\n",
> +                    csr_ops[CSR_FCSR].name, val);
> +        }
>          for (i = 0; i < 32; i++) {
>              qemu_fprintf(f, " %-8s %016" PRIx64,
>                           riscv_fpr_regnames[i], env->fpr[i]);
> --
> 2.25.1
>
>
Alistair Francis Sept. 4, 2024, 12:23 a.m. UTC | #3
On Mon, Sep 2, 2024 at 11:38 PM Maria Klauchek <m.klauchek@syntacore.com> wrote:
>
> FCSR is a part of F extension. Print it to log if FPU option is enabled.
>
> Signed-off-by: Maria Klauchek <m.klauchek@syntacore.com>

Thanks!

Applied to riscv-to-apply.next

Alistair

> ---
>  target/riscv/cpu.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index a90808a3ba..6ff6096777 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -839,6 +839,12 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>          }
>      }
>      if (flags & CPU_DUMP_FPU) {
> +        target_ulong val = 0;
> +        RISCVException res = riscv_csrrw_debug(env, CSR_FCSR, &val, 0, 0);
> +        if (res == RISCV_EXCP_NONE) {
> +            qemu_fprintf(f, " %-8s " TARGET_FMT_lx "\n",
> +                    csr_ops[CSR_FCSR].name, val);
> +        }
>          for (i = 0; i < 32; i++) {
>              qemu_fprintf(f, " %-8s %016" PRIx64,
>                           riscv_fpr_regnames[i], env->fpr[i]);
> --
> 2.25.1
>
>
diff mbox series

Patch

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index a90808a3ba..6ff6096777 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -839,6 +839,12 @@  static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
         }
     }
     if (flags & CPU_DUMP_FPU) {
+        target_ulong val = 0;
+        RISCVException res = riscv_csrrw_debug(env, CSR_FCSR, &val, 0, 0);
+        if (res == RISCV_EXCP_NONE) {
+            qemu_fprintf(f, " %-8s " TARGET_FMT_lx "\n",
+                    csr_ops[CSR_FCSR].name, val);
+        }
         for (i = 0; i < 32; i++) {
             qemu_fprintf(f, " %-8s %016" PRIx64,
                          riscv_fpr_regnames[i], env->fpr[i]);