When the cache-controller feature is not implemented,
log potential ASI access as unimplemented.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/sparc/ldst_helper.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/target/sparc/ldst_helper.c b/target/sparc/ldst_helper.c
index b559afc9a94..d4de32d3c48 100644
--- a/target/sparc/ldst_helper.c
+++ b/target/sparc/ldst_helper.c
@@ -600,6 +600,10 @@ uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr,
         case 0x0C:          /* Leon3 Date Cache config */
             if (env->def.features & CPU_FEATURE_CACHE_CTRL) {
                 ret = leon3_cache_control_ld(env, addr, size);
+            } else {
+                qemu_log_mask(LOG_UNIMP,
+                              "%08x: unimplemented access size: %d\n", addr,
+                              size);
             }
             break;
         case 0x01c00a00: /* MXCC control register */
@@ -816,6 +820,10 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, uint64_t val,
         case 0x0C:          /* Leon3 Date Cache config */
             if (env->def.features & CPU_FEATURE_CACHE_CTRL) {
                 leon3_cache_control_st(env, addr, val, size);
+            } else {
+                qemu_log_mask(LOG_UNIMP,
+                              "%08x: unimplemented access size: %d\n", addr,
+                              size);
             }
             break;
 
-- 
2.47.1

On Tue, Mar 25, 2025 at 1:39 PM Philippe Mathieu-Daudé
<philmd@linaro.org> wrote:
>
> When the cache-controller feature is not implemented,
> log potential ASI access as unimplemented.
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>  target/sparc/ldst_helper.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/target/sparc/ldst_helper.c b/target/sparc/ldst_helper.c
> index b559afc9a94..d4de32d3c48 100644
> --- a/target/sparc/ldst_helper.c
> +++ b/target/sparc/ldst_helper.c
> @@ -600,6 +600,10 @@ uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr,
>          case 0x0C:          /* Leon3 Date Cache config */
>              if (env->def.features & CPU_FEATURE_CACHE_CTRL) {
>                  ret = leon3_cache_control_ld(env, addr, size);
> +            } else {
> +                qemu_log_mask(LOG_UNIMP,
> +                              "%08x: unimplemented access size: %d\n", addr,

This should rather mimic the line in "default", as the issue is not
just the size value.
Same below.

Otherwise,
Reviewed-by: Clément Chigot <chigot@adacore.com>


> +                              size);
>              }
>              break;
>          case 0x01c00a00: /* MXCC control register */
> @@ -816,6 +820,10 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, uint64_t val,
>          case 0x0C:          /* Leon3 Date Cache config */
>              if (env->def.features & CPU_FEATURE_CACHE_CTRL) {
>                  leon3_cache_control_st(env, addr, val, size);
> +            } else {
> +                qemu_log_mask(LOG_UNIMP,
> +                              "%08x: unimplemented access size: %d\n", addr,
> +                              size);
>              }
>              break;
>
> --
> 2.47.1
>