diff --git a/meson.build b/meson.build index 5613b62a4f..97f63aa86c 100644 --- a/meson.build +++ b/meson.build @@ -2835,6 +2835,14 @@ config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + ''' return getauxval(AT_HWCAP) == 0; }''')) +config_host_data.set('CONFIG_ELF_AUX_INFO', cc.links(gnu_source_prefix + ''' + #include + int main(void) { + unsigned long hwcap = 0; + elf_aux_info(AT_HWCAP, &hwcap, sizeof(hwcap)); + return hwcap; + }''')) + config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles(''' #include diff --git a/util/cpuinfo-aarch64.c b/util/cpuinfo-aarch64.c index 8ca775a14b..57468890c3 100644 --- a/util/cpuinfo-aarch64.c +++ b/util/cpuinfo-aarch64.c @@ -17,10 +17,13 @@ # define HWCAP2_BTI 0 /* added in glibc 2.32 */ # endif #endif +#ifdef CONFIG_ELF_AUX_INFO +#include +#endif #ifdef CONFIG_DARWIN # include #endif -#ifdef __OpenBSD__ +#if defined(__OpenBSD__) && !defined(CONFIG_ELF_AUX_INFO) # include # include # include @@ -61,7 +64,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) info = CPUINFO_ALWAYS; -#ifdef CONFIG_LINUX +#if defined(CONFIG_LINUX) || defined(CONFIG_ELF_AUX_INFO) unsigned long hwcap = qemu_getauxval(AT_HWCAP); info |= (hwcap & HWCAP_ATOMICS ? CPUINFO_LSE : 0); info |= (hwcap & HWCAP_USCAT ? CPUINFO_LSE2 : 0); @@ -78,7 +81,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) info |= sysctl_for_bool("hw.optional.arm.FEAT_PMULL") * CPUINFO_PMULL; info |= sysctl_for_bool("hw.optional.arm.FEAT_BTI") * CPUINFO_BTI; #endif -#ifdef __OpenBSD__ +#if defined(__OpenBSD__) && !defined(CONFIG_ELF_AUX_INFO) int mib[2]; uint64_t isar0; uint64_t pfr1; diff --git a/util/cpuinfo-ppc.c b/util/cpuinfo-ppc.c index 1304f9aa80..4d3d3aae0b 100644 --- a/util/cpuinfo-ppc.c +++ b/util/cpuinfo-ppc.c @@ -14,7 +14,8 @@ # include "elf.h" # endif #endif -#ifdef __FreeBSD__ +#if defined(CONFIG_ELF_AUX_INFO) +# include # include # ifndef PPC_FEATURE2_ARCH_3_1 # define PPC_FEATURE2_ARCH_3_1 0 @@ -35,7 +36,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) info = CPUINFO_ALWAYS; -#if defined(CONFIG_LINUX) || defined(__FreeBSD__) +#if defined(CONFIG_LINUX) || defined(CONFIG_ELF_AUX_INFO) unsigned long hwcap = qemu_getauxval(AT_HWCAP); unsigned long hwcap2 = qemu_getauxval(AT_HWCAP2); diff --git a/util/getauxval.c b/util/getauxval.c index ad4f6686a8..0735cd8271 100644 --- a/util/getauxval.c +++ b/util/getauxval.c @@ -99,7 +99,7 @@ unsigned long qemu_getauxval(unsigned long type) return 0; } -#elif defined(__FreeBSD__) +#elif defined(CONFIG_ELF_AUX_INFO) #include unsigned long qemu_getauxval(unsigned long type)