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linux-user/elfload: Expose get_elf_hwcap() on s390x

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It is required for implementing /proc/cpuinfo emulation.

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230605113950.1169228-3-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Ilya Leoshkevich 2023-06-05 13:39:48 +02:00 committed by Thomas Huth
parent 71b11cbe1c
commit e1b819c804
2 changed files with 5 additions and 1 deletions
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2
linux-user/elfload.c
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@ -1583,7 +1583,7 @@ static inline void init_thread(struct target_pt_regs *regs,
#define GET_FEATURE(_feat, _hwcap) \ #define GET_FEATURE(_feat, _hwcap) \
do { if (s390_has_feat(_feat)) { hwcap |= _hwcap; } } while (0) do { if (s390_has_feat(_feat)) { hwcap |= _hwcap; } } while (0)
static uint32_t get_elf_hwcap(void) uint32_t get_elf_hwcap(void)
{ {
/* /*
* Let's assume we always have esan3 and zarch. * Let's assume we always have esan3 and zarch.

4
linux-user/loader.h
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@ -56,4 +56,8 @@ abi_long memcpy_to_target(abi_ulong dest, const void *src,
extern unsigned long guest_stack_size; extern unsigned long guest_stack_size;
#ifdef TARGET_S390X
uint32_t get_elf_hwcap(void);
#endif
#endif /* LINUX_USER_LOADER_H */ #endif /* LINUX_USER_LOADER_H */