X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=blobdiff_plain;f=src%2Futil%2Fu_cpu_detect.c;h=79da996a7aa5952d47dfcfa612608e9913719193;hp=19b21b0aa44a98dbbe24ad489395cf0c9da06a38;hb=6ea0a918bb87076e7d7f63314929760e6bc72041;hpb=601a098338a5c276a538d55bde516624aff99a49

diff --git a/src/util/u_cpu_detect.c b/src/util/u_cpu_detect.c
index 19b21b0aa44..79da996a7aa 100644
--- a/src/util/u_cpu_detect.c
+++ b/src/util/u_cpu_detect.c
@@ -47,15 +47,13 @@
 #endif
 #endif
 
-#if defined(PIPE_OS_NETBSD) || defined(PIPE_OS_OPENBSD)
+#if defined(PIPE_OS_BSD)
 #include <sys/param.h>
 #include <sys/sysctl.h>
 #include <machine/cpu.h>
 #endif
 
-#if defined(PIPE_OS_FREEBSD) || defined(PIPE_OS_DRAGONFLY)
-#include <sys/types.h>
-#include <sys/sysctl.h>
+#if defined(PIPE_OS_FREEBSD)
 #if __has_include(<sys/auxv.h>)
 #include <sys/auxv.h>
 #define HAVE_ELF_AUX_INFO
@@ -96,7 +94,7 @@ static int has_cpuid(void);
 #endif
 
 
-#if defined(PIPE_ARCH_PPC) && !defined(PIPE_OS_APPLE) && !defined(PIPE_OS_LINUX)
+#if defined(PIPE_ARCH_PPC) && !defined(PIPE_OS_APPLE) && !defined(PIPE_OS_BSD) && !defined(PIPE_OS_LINUX)
 static jmp_buf  __lv_powerpc_jmpbuf;
 static volatile sig_atomic_t __lv_powerpc_canjump = 0;
 
@@ -117,8 +115,20 @@ sigill_handler(int sig)
 static void
 check_os_altivec_support(void)
 {
-#if defined(PIPE_OS_APPLE)
+#if defined(__ALTIVEC__)
+   util_cpu_caps.has_altivec = 1;
+#endif
+#if defined(__VSX__)
+   util_cpu_caps.has_vsx = 1;
+#endif
+#if defined(__ALTIVEC__) && defined(__VSX__)
+/* Do nothing */
+#elif defined(PIPE_OS_APPLE) || defined(PIPE_OS_NETBSD) || defined(PIPE_OS_OPENBSD)
+#ifdef HW_VECTORUNIT
    int sels[2] = {CTL_HW, HW_VECTORUNIT};
+#else
+   int sels[2] = {CTL_MACHDEP, CPU_ALTIVEC};
+#endif
    int has_vu = 0;
    int len = sizeof (has_vu);
    int err;
@@ -130,7 +140,19 @@ check_os_altivec_support(void)
          util_cpu_caps.has_altivec = 1;
       }
    }
-#elif defined(PIPE_OS_LINUX) /* !PIPE_OS_APPLE */
+#elif defined(PIPE_OS_FREEBSD) /* !PIPE_OS_APPLE && !PIPE_OS_NETBSD && !PIPE_OS_OPENBSD */
+   unsigned long hwcap = 0;
+#ifdef HAVE_ELF_AUX_INFO
+   elf_aux_info(AT_HWCAP, &hwcap, sizeof(hwcap));
+#else
+   size_t len = sizeof(hwcap);
+   sysctlbyname("hw.cpu_features", &hwcap, &len, NULL, 0);
+#endif
+   if (hwcap & PPC_FEATURE_HAS_ALTIVEC)
+      util_cpu_caps.has_altivec = 1;
+   if (hwcap & PPC_FEATURE_HAS_VSX)
+      util_cpu_caps.has_vsx = 1;
+#elif defined(PIPE_OS_LINUX) /* !PIPE_OS_FREEBSD */
 #if defined(PIPE_ARCH_PPC_64)
     Elf64_auxv_t aux;
 #else
@@ -151,7 +173,7 @@ check_os_altivec_support(void)
        }
        close(fd);
     }
-#else /* !PIPE_OS_APPLE && !PIPE_OS_LINUX */
+#else /* !PIPE_OS_APPLE && !PIPE_OS_BSD && !PIPE_OS_LINUX */
    /* not on Apple/Darwin or Linux, do it the brute-force way */
    /* this is borrowed from the libmpeg2 library */
    signal(SIGILL, sigill_handler);