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Re: [RFC PATCH 1/3] target/riscv: change RISCV_EXCP_SEMIHOST exception n
From: |
Alistair Francis |
Subject: |
Re: [RFC PATCH 1/3] target/riscv: change RISCV_EXCP_SEMIHOST exception number |
Date: |
Mon, 22 Apr 2024 13:25:03 +1000 |
On Thu, Apr 18, 2024 at 11:40 PM Clément Léger <cleger@rivosinc.com> wrote:
>
> The double trap specification defines the double trap exception number
> to be 16 which is actually used by the internal semihosting one. Change
> it to some other value.
>
> Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> target/riscv/cpu_bits.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
> index fc2068ee4d..9ade72ff31 100644
> --- a/target/riscv/cpu_bits.h
> +++ b/target/riscv/cpu_bits.h
> @@ -670,7 +670,7 @@ typedef enum RISCVException {
> RISCV_EXCP_INST_PAGE_FAULT = 0xc, /* since: priv-1.10.0 */
> RISCV_EXCP_LOAD_PAGE_FAULT = 0xd, /* since: priv-1.10.0 */
> RISCV_EXCP_STORE_PAGE_FAULT = 0xf, /* since: priv-1.10.0 */
> - RISCV_EXCP_SEMIHOST = 0x10,
> + RISCV_EXCP_SEMIHOST = 0x11,
> RISCV_EXCP_INST_GUEST_PAGE_FAULT = 0x14,
> RISCV_EXCP_LOAD_GUEST_ACCESS_FAULT = 0x15,
> RISCV_EXCP_VIRT_INSTRUCTION_FAULT = 0x16,
> --
> 2.43.0
>
>