uefi-ref/qemu
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/qemu.git synced 2026-08-26 22:23:12 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

util/cpuinfo-aarch64: Detect FEAT_CSSC

Browse source 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2026-08-11 16:01:41 -07:00
parent db9be9b136
commit 761bfe07b2
2 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
host/include/aarch64/host/cpuinfo.h
View file

@ -12,6 +12,7 @@
#define CPUINFO_AES (1u << 3)
#define CPUINFO_PMULL (1u << 4)
#define CPUINFO_BTI (1u << 5)
#define CPUINFO_CSSC (1u << 6)
/* Initialized with a constructor. */
extern unsigned cpuinfo;

2
util/cpuinfo-aarch64.c
View file

@ -72,6 +72,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void)
unsigned long hwcap2 = qemu_getauxval(AT_HWCAP2);
info |= (hwcap2 & HWCAP2_BTI ? CPUINFO_BTI : 0);
info |= (hwcap2 & HWCAP2_CSSC ? CPUINFO_CSSC : 0);
#endif
#ifdef CONFIG_DARWIN
info |= sysctl_for_bool("hw.optional.arm.FEAT_LSE") * CPUINFO_LSE;
@ -79,6 +80,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void)
info |= sysctl_for_bool("hw.optional.arm.FEAT_AES") * CPUINFO_AES;
info |= sysctl_for_bool("hw.optional.arm.FEAT_PMULL") * CPUINFO_PMULL;
info |= sysctl_for_bool("hw.optional.arm.FEAT_BTI") * CPUINFO_BTI;
info |= sysctl_for_bool("hw.optional.arm.FEAT_CSSC") * CPUINFO_CSSC;
#endif
#if defined(__OpenBSD__) && !defined(CONFIG_ELF_AUX_INFO)
int mib[2];