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From: Ilya Leoshkevich <iii@linux.ibm.com>
To: Laurent Vivier <laurent@vivier.eu>,
	David Hildenbrand <david@redhat.com>,
	 Thomas Huth <thuth@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org,
	Ilya Leoshkevich <iii@linux.ibm.com>
Subject: [PATCH 2/4] linux-user/elfload: Expose get_elf_hwcap() on s390x
Date: Thu,  1 Jun 2023 18:25:39 +0200	[thread overview]
Message-ID: <20230601162541.689621-3-iii@linux.ibm.com> (raw)
In-Reply-To: <20230601162541.689621-1-iii@linux.ibm.com>

It is required for implementing /proc/cpuinfo emulation.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
 linux-user/elfload.c | 2 +-
 linux-user/loader.h  | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 418ad92598c..49ec9ccc944 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1583,7 +1583,7 @@ static inline void init_thread(struct target_pt_regs *regs,
 #define GET_FEATURE(_feat, _hwcap) \
     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.
diff --git a/linux-user/loader.h b/linux-user/loader.h
index f375ee0679b..ad6ca9dbe35 100644
--- a/linux-user/loader.h
+++ b/linux-user/loader.h
@@ -56,4 +56,8 @@ abi_long memcpy_to_target(abi_ulong dest, const void *src,
 
 extern unsigned long guest_stack_size;
 
+#ifdef TARGET_S390X
+uint32_t get_elf_hwcap(void);
+#endif
+
 #endif /* LINUX_USER_LOADER_H */
-- 
2.40.1



  parent reply	other threads:[~2023-06-01 16:27 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-01 16:25 [PATCH 0/4] linux-user: Emulate /proc/cpuinfo on s390x Ilya Leoshkevich
2023-06-01 16:25 ` [PATCH 1/4] s390x/tcg: Fix CPU address returned by STIDP Ilya Leoshkevich
2023-06-02 12:03   ` David Hildenbrand
2023-06-01 16:25 ` Ilya Leoshkevich [this message]
2023-06-02 12:27   ` [PATCH 2/4] linux-user/elfload: Expose get_elf_hwcap() on s390x David Hildenbrand
2023-06-01 16:25 ` [PATCH 3/4] linux-user/elfload: Introduce elf_hwcap_str() " Ilya Leoshkevich
2023-06-02 12:28   ` David Hildenbrand
2023-06-01 16:25 ` [PATCH 4/4] linux-user: Emulate /proc/cpuinfo " Ilya Leoshkevich
2023-06-02 12:23   ` Ilya Leoshkevich
2023-06-02 12:34   ` David Hildenbrand
2023-06-02 12:36     ` Ilya Leoshkevich

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