* [PATCH] linux-user/elfload: Enable LSX/LASX in HWCAP for LoongArch
@ 2023-10-01 8:53 Jiajie Chen
2023-10-01 14:09 ` Richard Henderson
2023-10-03 20:34 ` Richard Henderson
0 siblings, 2 replies; 3+ messages in thread
From: Jiajie Chen @ 2023-10-01 8:53 UTC (permalink / raw)
To: qemu-devel; +Cc: richard.henderson, gaosong, git, Jiajie Chen, Laurent Vivier
Since support for LSX and LASX is landed in QEMU recently, we can update
HWCAPS accordingly.
Signed-off-by: Jiajie Chen <c@jia.je>
---
linux-user/elfload.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index db75cd4b33..f11f25309e 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1237,6 +1237,14 @@ static uint32_t get_elf_hwcap(void)
hwcaps |= HWCAP_LOONGARCH_LAM;
}
+ if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LSX)) {
+ hwcaps |= HWCAP_LOONGARCH_LSX;
+ }
+
+ if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LASX)) {
+ hwcaps |= HWCAP_LOONGARCH_LASX;
+ }
+
return hwcaps;
}
--
2.41.0
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] linux-user/elfload: Enable LSX/LASX in HWCAP for LoongArch
2023-10-01 8:53 [PATCH] linux-user/elfload: Enable LSX/LASX in HWCAP for LoongArch Jiajie Chen
@ 2023-10-01 14:09 ` Richard Henderson
2023-10-03 20:34 ` Richard Henderson
1 sibling, 0 replies; 3+ messages in thread
From: Richard Henderson @ 2023-10-01 14:09 UTC (permalink / raw)
To: Jiajie Chen, qemu-devel; +Cc: gaosong, git, Laurent Vivier
On 10/1/23 01:53, Jiajie Chen wrote:
> Since support for LSX and LASX is landed in QEMU recently, we can update
> HWCAPS accordingly.
>
> Signed-off-by: Jiajie Chen<c@jia.je>
> ---
> linux-user/elfload.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] linux-user/elfload: Enable LSX/LASX in HWCAP for LoongArch
2023-10-01 8:53 [PATCH] linux-user/elfload: Enable LSX/LASX in HWCAP for LoongArch Jiajie Chen
2023-10-01 14:09 ` Richard Henderson
@ 2023-10-03 20:34 ` Richard Henderson
1 sibling, 0 replies; 3+ messages in thread
From: Richard Henderson @ 2023-10-03 20:34 UTC (permalink / raw)
To: Jiajie Chen, qemu-devel; +Cc: gaosong, git, Laurent Vivier
On 10/1/23 01:53, Jiajie Chen wrote:
> Since support for LSX and LASX is landed in QEMU recently, we can update
> HWCAPS accordingly.
>
> Signed-off-by: Jiajie Chen <c@jia.je>
> ---
> linux-user/elfload.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/linux-user/elfload.c b/linux-user/elfload.c
> index db75cd4b33..f11f25309e 100644
> --- a/linux-user/elfload.c
> +++ b/linux-user/elfload.c
> @@ -1237,6 +1237,14 @@ static uint32_t get_elf_hwcap(void)
> hwcaps |= HWCAP_LOONGARCH_LAM;
> }
>
> + if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LSX)) {
> + hwcaps |= HWCAP_LOONGARCH_LSX;
> + }
> +
> + if (FIELD_EX32(cpu->env.cpucfg[2], CPUCFG2, LASX)) {
> + hwcaps |= HWCAP_LOONGARCH_LASX;
> + }
> +
> return hwcaps;
> }
>
Queued to linux-user-next.
r~
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-10-03 20:35 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2023-10-01 8:53 [PATCH] linux-user/elfload: Enable LSX/LASX in HWCAP for LoongArch Jiajie Chen
2023-10-01 14:09 ` Richard Henderson
2023-10-03 20:34 ` Richard Henderson
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