* [PATCH] linux-user/aarch64: Enable hwcap for RND, BTI, and MTE
@ 2021-04-27 21:41 Richard Henderson
2021-04-30 14:02 ` Peter Maydell
0 siblings, 1 reply; 2+ messages in thread
From: Richard Henderson @ 2021-04-27 21:41 UTC (permalink / raw)
To: qemu-devel; +Cc: peter.maydell, laurent, qemu-stable
These three features are already enabled by TCG, but are missing
their hwcap bits. Update HWCAP2 from linux v5.12.
Cc: qemu-stable@nongnu.org (for 6.0.1)
Buglink: https://bugs.launchpad.net/bugs/1926044
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/elfload.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index c6731013fd..fc9c4f12be 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -586,6 +586,16 @@ enum {
ARM_HWCAP2_A64_SVESM4 = 1 << 6,
ARM_HWCAP2_A64_FLAGM2 = 1 << 7,
ARM_HWCAP2_A64_FRINT = 1 << 8,
+ ARM_HWCAP2_A64_SVEI8MM = 1 << 9,
+ ARM_HWCAP2_A64_SVEF32MM = 1 << 10,
+ ARM_HWCAP2_A64_SVEF64MM = 1 << 11,
+ ARM_HWCAP2_A64_SVEBF16 = 1 << 12,
+ ARM_HWCAP2_A64_I8MM = 1 << 13,
+ ARM_HWCAP2_A64_BF16 = 1 << 14,
+ ARM_HWCAP2_A64_DGH = 1 << 15,
+ ARM_HWCAP2_A64_RNG = 1 << 16,
+ ARM_HWCAP2_A64_BTI = 1 << 17,
+ ARM_HWCAP2_A64_MTE = 1 << 18,
};
#define ELF_HWCAP get_elf_hwcap()
@@ -640,6 +650,9 @@ static uint32_t get_elf_hwcap2(void)
GET_FEATURE_ID(aa64_dcpodp, ARM_HWCAP2_A64_DCPODP);
GET_FEATURE_ID(aa64_condm_5, ARM_HWCAP2_A64_FLAGM2);
GET_FEATURE_ID(aa64_frint, ARM_HWCAP2_A64_FRINT);
+ GET_FEATURE_ID(aa64_rndr, ARM_HWCAP2_A64_RNG);
+ GET_FEATURE_ID(aa64_bti, ARM_HWCAP2_A64_BTI);
+ GET_FEATURE_ID(aa64_mte, ARM_HWCAP2_A64_MTE);
return hwcaps;
}
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] linux-user/aarch64: Enable hwcap for RND, BTI, and MTE
2021-04-27 21:41 [PATCH] linux-user/aarch64: Enable hwcap for RND, BTI, and MTE Richard Henderson
@ 2021-04-30 14:02 ` Peter Maydell
0 siblings, 0 replies; 2+ messages in thread
From: Peter Maydell @ 2021-04-30 14:02 UTC (permalink / raw)
To: Richard Henderson; +Cc: qemu-stable, QEMU Developers, Laurent Vivier
On Tue, 27 Apr 2021 at 22:41, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> These three features are already enabled by TCG, but are missing
> their hwcap bits. Update HWCAP2 from linux v5.12.
>
> Cc: qemu-stable@nongnu.org (for 6.0.1)
> Buglink: https://bugs.launchpad.net/bugs/1926044
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> linux-user/elfload.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
Applied to target-arm.next, thanks.
-- PMM
^ permalink raw reply [flat|nested] 2+ messages in thread
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