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authorIlya Leoshkevich <iii@linux.ibm.com>2023-06-05 13:39:49 +0200
committerThomas Huth <thuth@redhat.com>2023-06-05 20:48:34 +0200
commite19807bee357a34b1c56f527203cf6be06fe663b (patch)
tree1f276cb23d8ce1694f535d4a0aeb8a602ab2c5d0 /linux-user
parente1b819c804314c87555e143fd9ea2858c9d2d34c (diff)
linux-user/elfload: Introduce elf_hwcap_str() on s390x
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: <20230605113950.1169228-4-iii@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/elfload.c27
-rw-r--r--linux-user/loader.h1
2 files changed, 28 insertions, 0 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 49ec9ccc94..d80d68484b 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1605,6 +1605,33 @@ uint32_t get_elf_hwcap(void)
return hwcap;
}
+const char *elf_hwcap_str(uint32_t bit)
+{
+ static const char *hwcap_str[] = {
+ [HWCAP_S390_ESAN3] = "esan3",
+ [HWCAP_S390_ZARCH] = "zarch",
+ [HWCAP_S390_STFLE] = "stfle",
+ [HWCAP_S390_MSA] = "msa",
+ [HWCAP_S390_LDISP] = "ldisp",
+ [HWCAP_S390_EIMM] = "eimm",
+ [HWCAP_S390_DFP] = "dfp",
+ [HWCAP_S390_HPAGE] = "edat",
+ [HWCAP_S390_ETF3EH] = "etf3eh",
+ [HWCAP_S390_HIGH_GPRS] = "highgprs",
+ [HWCAP_S390_TE] = "te",
+ [HWCAP_S390_VXRS] = "vx",
+ [HWCAP_S390_VXRS_BCD] = "vxd",
+ [HWCAP_S390_VXRS_EXT] = "vxe",
+ [HWCAP_S390_GS] = "gs",
+ [HWCAP_S390_VXRS_EXT2] = "vxe2",
+ [HWCAP_S390_VXRS_PDE] = "vxp",
+ [HWCAP_S390_SORT] = "sort",
+ [HWCAP_S390_DFLT] = "dflt",
+ };
+
+ return bit < ARRAY_SIZE(hwcap_str) ? hwcap_str[bit] : NULL;
+}
+
static inline void init_thread(struct target_pt_regs *regs, struct image_info *infop)
{
regs->psw.addr = infop->entry;
diff --git a/linux-user/loader.h b/linux-user/loader.h
index ad6ca9dbe3..59cbeacf24 100644
--- a/linux-user/loader.h
+++ b/linux-user/loader.h
@@ -58,6 +58,7 @@ extern unsigned long guest_stack_size;
#ifdef TARGET_S390X
uint32_t get_elf_hwcap(void);
+const char *elf_hwcap_str(uint32_t bit);
#endif
#endif /* LINUX_USER_LOADER_H */