diff mbox series

[v3,4/5] linux-user/elfload: enable HWCAP_CPUID for AArch64

Message ID 20180625160009.17437-5-alex.bennee@linaro.org
State Superseded
Headers show
Series support reading some CPUID/CNT registers from user-space | expand

Commit Message

Alex Bennée June 25, 2018, 4 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>

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

-- 
2.17.1

Comments

Richard Henderson June 27, 2018, 5:27 a.m. UTC | #1 
On 06/25/2018 09:00 AM, 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>

> ---

>  linux-user/elfload.c | 1 +

>  1 file changed, 1 insertion(+)


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



r~
diff mbox series

Patch

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 13bc78d0c8..76d7674649 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -566,6 +566,7 @@  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(feat, hwcap) \