diff mbox series

[v1,3/4] linux-user/elfload: enable HWCAP_CPUID for AArch64

Message ID 20190128173940.25813-4-alex.bennee@linaro.org
State Superseded
Headers show
Series HWCAP_CPUID registers for aarch64 | expand

Commit Message

Alex Bennée Jan. 28, 2019, 5:39 p.m. UTC 
Userspace programs should (in theory) query the ELF HWCAP before
probing these registers. Now we have implemented them all make it
public.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

---
 linux-user/elfload.c | 1 +
 1 file changed, 1 insertion(+)

-- 
2.17.1

Comments

Laurent Vivier Jan. 28, 2019, 5:49 p.m. UTC | #1 
On 28/01/2019 18:39, Alex Bennée wrote:
> Userspace programs should (in theory) query the ELF HWCAP before

> probing these registers. Now we have implemented them all make it

> public.

> 

> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

> ---

>  linux-user/elfload.c | 1 +

>  1 file changed, 1 insertion(+)

> 

> diff --git a/linux-user/elfload.c b/linux-user/elfload.c

> index 4cff9e1a31..e95c162097 100644

> --- a/linux-user/elfload.c

> +++ b/linux-user/elfload.c

> @@ -571,6 +571,7 @@ static uint32_t get_elf_hwcap(void)

>  

>      hwcaps |= ARM_HWCAP_A64_FP;

>      hwcaps |= ARM_HWCAP_A64_ASIMD;

> +    hwcaps |= ARM_HWCAP_A64_CPUID;

>  

>      /* probe for the extra features */

>  #define GET_FEATURE_ID(feat, hwcap) \

> 


Acked-by: Laurent Vivier <laurent@vivier.eu>
diff mbox series

Patch

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 4cff9e1a31..e95c162097 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -571,6 +571,7 @@  static uint32_t get_elf_hwcap(void)
 
     hwcaps |= ARM_HWCAP_A64_FP;
     hwcaps |= ARM_HWCAP_A64_ASIMD;
+    hwcaps |= ARM_HWCAP_A64_CPUID;
 
     /* probe for the extra features */
 #define GET_FEATURE_ID(feat, hwcap) \