util/cpuinfo-aarch64: Detect FEAT_CSSC
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson committed
Aug 11, 2026 at 16:01 UTC
761bfe07b2c954251e25d636e2febb1c2a2e9eea
2 files changed
+3
host/include/aarch64/host/cpuinfo.h
+1
@@ -12,6 +12,7 @@
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#define CPUINFO_AES (1u << 3)
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#define CPUINFO_PMULL (1u << 4)
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#define CPUINFO_BTI (1u << 5)
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+#define CPUINFO_CSSC (1u << 6)
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/* Initialized with a constructor. */
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extern unsigned cpuinfo;
util/cpuinfo-aarch64.c
+2
@@ -72,6 +72,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void)
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unsigned long hwcap2 = qemu_getauxval(AT_HWCAP2);
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info |= (hwcap2 & HWCAP2_BTI ? CPUINFO_BTI : 0);
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+ info |= (hwcap2 & HWCAP2_CSSC ? CPUINFO_CSSC : 0);
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#endif
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#ifdef CONFIG_DARWIN
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info |= sysctl_for_bool("hw.optional.arm.FEAT_LSE") * CPUINFO_LSE;
@@ -79,6 +80,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void)
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info |= sysctl_for_bool("hw.optional.arm.FEAT_AES") * CPUINFO_AES;
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info |= sysctl_for_bool("hw.optional.arm.FEAT_PMULL") * CPUINFO_PMULL;
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info |= sysctl_for_bool("hw.optional.arm.FEAT_BTI") * CPUINFO_BTI;
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+ info |= sysctl_for_bool("hw.optional.arm.FEAT_CSSC") * CPUINFO_CSSC;
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#endif
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#if defined(__OpenBSD__) && !defined(CONFIG_ELF_AUX_INFO)
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int mib[2];