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eedd4aeb9a
- add an extra path for CPU detection via elf_aux_info() Approved by: portmgr (build fix blanket)
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
--- extern/lzma/CpuArch.c.orig 2024-09-26 11:32:05 UTC
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+++ extern/lzma/CpuArch.c
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@@ -766,6 +766,25 @@ BoolInt CPU_IsSupported_AES (void) { return APPLE_CRYP
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#ifdef USE_HWCAP
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+#ifdef __FreeBSD__
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+
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+ #define MY_HWCAP_CHECK_FUNC_3(name1, name2, at) \
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+ BoolInt CPU_IsSupported_ ## name1() { \
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+ unsigned long vec = 0; \
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+ elf_aux_info(AT_ ## at, &vec, sizeof(vec)); \
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+ return (vec & (at ## _ ## name2)) ? 1 : 0; \
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+ }
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+
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+#ifdef MY_CPU_ARM64
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+ #define MY_HWCAP_CHECK_FUNC(name) MY_HWCAP_CHECK_FUNC_3(name, name, HWCAP)
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+ MY_HWCAP_CHECK_FUNC_3(NEON, ASIMD, HWCAP)
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+#elif defined(MY_CPU_ARM)
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+ #define MY_HWCAP_CHECK_FUNC(name) MY_HWCAP_CHECK_FUNC_3(name, name, HWCAP2)
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+ MY_HWCAP_CHECK_FUNC_3(NEON, NEON, HWCAP)
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+#endif
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+
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+#else // __FreeBSD__
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+
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#include <asm/hwcap.h>
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#define MY_HWCAP_CHECK_FUNC_2(name1, name2) \
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@@ -781,6 +800,8 @@ BoolInt CPU_IsSupported_AES (void) { return APPLE_CRYP
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BoolInt CPU_IsSupported_ ## name() { return (getauxval(AT_HWCAP2) & (HWCAP2_ ## name)) ? 1 : 0; }
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MY_HWCAP_CHECK_FUNC_2(NEON, NEON)
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#endif
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+
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+#endif // __FreeBSD__
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#else // USE_HWCAP
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