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Re: [PATCH v2 12/15] RISC-V: Set minimum priv version for Zfh to 1.11
From: |
Alistair Francis |
Subject: |
Re: [PATCH v2 12/15] RISC-V: Set minimum priv version for Zfh to 1.11 |
Date: |
Tue, 24 Jan 2023 09:39:49 +1000 |
On Sat, Dec 24, 2022 at 4:07 AM Christoph Muellner
<christoph.muellner@vrull.eu> wrote:
>
> From: Christoph Müllner <christoph.muellner@vrull.eu>
>
> There are no differences for floating point instructions in priv version 1.11
> and 1.12. There is also no dependency for Zfh to priv version 1.12.
> Therefore allow Zfh to be enabled for priv version 1.11.
>
> Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> target/riscv/cpu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index bb310755b1..a38127365e 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -76,7 +76,7 @@ static const struct isa_ext_data isa_edata_arr[] = {
> ISA_EXT_DATA_ENTRY(zicsr, true, PRIV_VERSION_1_10_0, ext_icsr),
> ISA_EXT_DATA_ENTRY(zifencei, true, PRIV_VERSION_1_10_0, ext_ifencei),
> ISA_EXT_DATA_ENTRY(zihintpause, true, PRIV_VERSION_1_10_0,
> ext_zihintpause),
> - ISA_EXT_DATA_ENTRY(zfh, true, PRIV_VERSION_1_12_0, ext_zfh),
> + ISA_EXT_DATA_ENTRY(zfh, true, PRIV_VERSION_1_11_0, ext_zfh),
> ISA_EXT_DATA_ENTRY(zfhmin, true, PRIV_VERSION_1_12_0, ext_zfhmin),
> ISA_EXT_DATA_ENTRY(zfinx, true, PRIV_VERSION_1_12_0, ext_zfinx),
> ISA_EXT_DATA_ENTRY(zdinx, true, PRIV_VERSION_1_12_0, ext_zdinx),
> --
> 2.38.1
>
>
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