Re: [PATCH v6 7/8] target/riscv: Add any32 and max32 CPU for RV64 QEMU

[Andrew Jones <ajones@ventanamicro.com>]

On Sat, Jul 20, 2024 at 07:11:48AM GMT, LIU Zhiwei wrote:
> We may need 32-bit max or 32-bit any CPU for RV64 QEMU. Thus we add
> these two CPUs for RV64 QEMU.
> 
> The reason we don't expose them to RV32 QEMU is that we already have
> max or any cpu with the same configuration. Another reason is that
> we want to follow the RISC-V custom where addw instruction doesn't
> exist in RV32 CPU.
> 
> Signed-off-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
> Suggested-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
> ---
>  target/riscv/cpu-qom.h |  2 ++
>  target/riscv/cpu.c     | 13 ++++++++-----
>  2 files changed, 10 insertions(+), 5 deletions(-)
> 
> diff --git a/target/riscv/cpu-qom.h b/target/riscv/cpu-qom.h
> index 3670cfe6d9..9f91743b78 100644
> --- a/target/riscv/cpu-qom.h
> +++ b/target/riscv/cpu-qom.h
> @@ -31,6 +31,8 @@
>  
>  #define TYPE_RISCV_CPU_ANY              RISCV_CPU_TYPE_NAME("any")
>  #define TYPE_RISCV_CPU_MAX              RISCV_CPU_TYPE_NAME("max")
> +#define TYPE_RISCV_CPU_ANY32            RISCV_CPU_TYPE_NAME("any32")

'any' is on its way out[1], so we probably shouldn't bother adding any32
at all with this series

[1] https://lore.kernel.org/all/20240724130717.95629-1-philmd@linaro.org/

Thanks,
drew