22 #include <sys/sysctl.h>
23 #elif defined(__linux__)
24 #include <asm/cputable.h>
25 #include <linux/auxvec.h>
30 #elif defined(__OpenBSD__)
31 #include <sys/types.h>
32 #include <sys/sysctl.h>
33 #include <machine/cpu.h>
34 #elif defined(__AMIGAOS4__)
35 #include <exec/exec.h>
36 #include <interfaces/exec.h>
37 #include <proto/exec.h>
53 extern struct ExecIFace *IExec;
55 IExec->GetCPUInfoTags(GCIT_VectorUnit, &
result, TAG_DONE);
56 if (
result == VECTORTYPE_ALTIVEC)
59 #elif defined(__APPLE__) || defined(__OpenBSD__)
61 int sels[2] = {CTL_MACHDEP, CPU_ALTIVEC};
63 int sels[2] = {CTL_HW, HW_VECTORUNIT};
66 size_t len =
sizeof(has_vu);
69 err = sysctl(sels, 2, &has_vu, &
len,
NULL, 0);
74 #elif defined(__linux__)
78 int fd = open(
"/proc/self/auxv", O_RDONLY);
79 unsigned long buf[64] = { 0 };
85 while ((count =
read(fd, buf,
sizeof(buf))) > 0) {
86 for (
i = 0;
i < count /
sizeof(*buf);
i += 2) {
87 if (buf[
i] == AT_NULL)
89 if (buf[
i] == AT_HWCAP) {
90 if (buf[
i + 1] & PPC_FEATURE_HAS_ALTIVEC)
92 #ifdef PPC_FEATURE_HAS_VSX
93 if (buf[
i + 1] & PPC_FEATURE_HAS_VSX)
98 }
else if (buf[
i] == AT_HWCAP2) {
99 #ifdef PPC_FEATURE2_ARCH_2_07
100 if (buf[
i + 1] & PPC_FEATURE2_ARCH_2_07)
110 #elif CONFIG_RUNTIME_CPUDETECT && defined(__linux__)
111 #define PVR_G4_7400 0x000C
112 #define PVR_G5_970 0x0039
113 #define PVR_G5_970FX 0x003C
114 #define PVR_G5_970MP 0x0044
115 #define PVR_G5_970GX 0x0045
116 #define PVR_POWER6 0x003E
117 #define PVR_POWER7 0x003F
118 #define PVR_POWER8 0x004B
119 #define PVR_CELL_PPU 0x0070
123 __asm__ volatile(
"mfspr %0, 287" :
"=r" (proc_ver));
125 if (proc_ver & 0x8000 ||
126 proc_ver == PVR_G4_7400 ||
127 proc_ver == PVR_G5_970 ||
128 proc_ver == PVR_G5_970FX ||
129 proc_ver == PVR_G5_970MP ||
130 proc_ver == PVR_G5_970GX ||
131 proc_ver == PVR_POWER6 ||
132 proc_ver == PVR_POWER7 ||
133 proc_ver == PVR_POWER8 ||
134 proc_ver == PVR_CELL_PPU)
136 if (proc_ver == PVR_POWER7 ||
137 proc_ver == PVR_POWER8)
139 if (proc_ver == PVR_POWER8)