target/riscv/kvm: Use riscv_cpu_is_32bit() when handling SBI_DBCN reg

[PATCH] target/riscv/kvm: Use riscv_cpu_is_32bit() when handling SBI_DBCN reg

Philippe Mathieu-Daudé posted 1 patch 3 days, 22 hours ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20250924164515.51782-1-philmd@linaro.org

Maintainers: Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>

target/riscv/kvm/kvm-cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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[PATCH] target/riscv/kvm: Use riscv_cpu_is_32bit() when handling SBI_DBCN reg

Posted by Philippe Mathieu-Daudé 3 days, 22 hours ago

Use the existing riscv_cpu_is_32bit() helper to check for 32-bit CPU.

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

diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c
index 5c19062c19b..187c2c9501e 100644
--- a/target/riscv/kvm/kvm-cpu.c
+++ b/target/riscv/kvm/kvm-cpu.c
@@ -1588,7 +1588,7 @@ static void kvm_riscv_handle_sbi_dbcn(CPUState *cs, struct kvm_run *run)
          * Handle the case where a 32 bit CPU is running in a
          * 64 bit addressing env.
          */
-        if (riscv_cpu_mxl(&cpu->env) == MXL_RV32) {
+        if (riscv_cpu_is_32bit(cpu)) {
             addr |= (uint64_t)run->riscv_sbi.args[2] << 32;
         }
 
-- 
2.51.0

Re: [PATCH] target/riscv/kvm: Use riscv_cpu_is_32bit() when handling SBI_DBCN reg

Posted by Andrew Jones 3 days, 18 hours ago

On Wed, Sep 24, 2025 at 06:45:15PM +0200, Philippe Mathieu-Daudé wrote:
> Use the existing riscv_cpu_is_32bit() helper to check for 32-bit CPU.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>  target/riscv/kvm/kvm-cpu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c
> index 5c19062c19b..187c2c9501e 100644
> --- a/target/riscv/kvm/kvm-cpu.c
> +++ b/target/riscv/kvm/kvm-cpu.c
> @@ -1588,7 +1588,7 @@ static void kvm_riscv_handle_sbi_dbcn(CPUState *cs, struct kvm_run *run)
>           * Handle the case where a 32 bit CPU is running in a
>           * 64 bit addressing env.
>           */
> -        if (riscv_cpu_mxl(&cpu->env) == MXL_RV32) {
> +        if (riscv_cpu_is_32bit(cpu)) {
>              addr |= (uint64_t)run->riscv_sbi.args[2] << 32;
>          }
>  
> -- 
> 2.51.0
> 
>

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>