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Re: [PATCH 1/2] target/riscv: check 'I' and 'E' after checking 'G' in ri
From: |
Alistair Francis |
Subject: |
Re: [PATCH 1/2] target/riscv: check 'I' and 'E' after checking 'G' in riscv_cpu_realize |
Date: |
Tue, 17 May 2022 10:23:08 +1000 |
On Mon, May 16, 2022 at 1:36 PM Weiwei Li <liweiwei@iscas.ac.cn> wrote:
>
> - setting ext_g will implicitly set ext_i
>
> Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
> Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
> ---
> slirp | 2 +-
> target/riscv/cpu.c | 23 ++++++++++++-----------
> 2 files changed, 13 insertions(+), 12 deletions(-)
>
> diff --git a/slirp b/slirp
> index 9d59bb775d..a88d9ace23 160000
> --- a/slirp
> +++ b/slirp
> @@ -1 +1 @@
> -Subproject commit 9d59bb775d6294c8b447a88512f7bb43f12a25a8
> +Subproject commit a88d9ace234a24ce1c17189642ef9104799425e0
Looks like you accidentally included a submodule change
Alistair
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index ccacdee215..b12f69c584 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -583,6 +583,18 @@ static void riscv_cpu_realize(DeviceState *dev, Error
> **errp)
> if (env->misa_ext == 0) {
> uint32_t ext = 0;
>
> + if (cpu->cfg.ext_g && !(cpu->cfg.ext_i & cpu->cfg.ext_m &
> + cpu->cfg.ext_a & cpu->cfg.ext_f &
> + cpu->cfg.ext_d)) {
> + warn_report("Setting G will also set IMAFD");
> + cpu->cfg.ext_i = true;
> + cpu->cfg.ext_m = true;
> + cpu->cfg.ext_a = true;
> + cpu->cfg.ext_f = true;
> + cpu->cfg.ext_d = true;
> + }
> +
> +
> /* Do some ISA extension error checking */
> if (cpu->cfg.ext_i && cpu->cfg.ext_e) {
> error_setg(errp,
> @@ -596,17 +608,6 @@ static void riscv_cpu_realize(DeviceState *dev, Error
> **errp)
> return;
> }
>
> - if (cpu->cfg.ext_g && !(cpu->cfg.ext_i & cpu->cfg.ext_m &
> - cpu->cfg.ext_a & cpu->cfg.ext_f &
> - cpu->cfg.ext_d)) {
> - warn_report("Setting G will also set IMAFD");
> - cpu->cfg.ext_i = true;
> - cpu->cfg.ext_m = true;
> - cpu->cfg.ext_a = true;
> - cpu->cfg.ext_f = true;
> - cpu->cfg.ext_d = true;
> - }
> -
> if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinx ||
> cpu->cfg.ext_zhinxmin) {
> cpu->cfg.ext_zfinx = true;
> --
> 2.17.1
>
>