Various CSR registers have Read/Write fields. We might
want to see guest trying to change such registers.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/loongarch/cpu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index ad93ecac92..7107968699 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -544,6 +544,8 @@ static void loongarch_cpu_realizefn(DeviceState *dev, Error **errp)
 static void loongarch_qemu_write(void *opaque, hwaddr addr,
                                  uint64_t val, unsigned size)
 {
+    qemu_log_mask(LOG_UNIMP, "[%s]: Unimplemented reg 0x%" HWADDR_PRIx "\n",
+                  __func__, addr);
 }
 
 static uint64_t loongarch_qemu_read(void *opaque, hwaddr addr, unsigned size)
-- 
2.41.0

在 2023/8/19 上午1:20, Philippe Mathieu-Daudé 写道:
> Various CSR registers have Read/Write fields. We might
> want to see guest trying to change such registers.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   target/loongarch/cpu.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
> index ad93ecac92..7107968699 100644
> --- a/target/loongarch/cpu.c
> +++ b/target/loongarch/cpu.c
> @@ -544,6 +544,8 @@ static void loongarch_cpu_realizefn(DeviceState *dev, Error **errp)
>   static void loongarch_qemu_write(void *opaque, hwaddr addr,
>                                    uint64_t val, unsigned size)
>   {
> +    qemu_log_mask(LOG_UNIMP, "[%s]: Unimplemented reg 0x%" HWADDR_PRIx "\n",
> +                  __func__, addr);
>   }
>   
>   static uint64_t loongarch_qemu_read(void *opaque, hwaddr addr, unsigned size)
> 

Reviewed-by: Song Gao <gaosong@loongson.cn>

Thanks.
Song Gao