diff options
| -rw-r--r-- | src/libFLAC/cpu.c | 31 | ||||
| -rw-r--r-- | src/libFLAC/include/private/cpu.h | 6 |
2 files changed, 37 insertions, 0 deletions
diff --git a/src/libFLAC/cpu.c b/src/libFLAC/cpu.c index bf0708c8..64da9cbc 100644 --- a/src/libFLAC/cpu.c +++ b/src/libFLAC/cpu.c @@ -53,6 +53,9 @@ #define dfprintf(file, format, ...) #endif +#if defined FLAC__CPU_PPC +#include <sys/auxv.h> +#endif #if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && (defined FLAC__HAS_NASM || FLAC__HAS_X86INTRIN) && !defined FLAC__NO_ASM @@ -230,6 +233,29 @@ x86_cpu_info (FLAC__CPUInfo *info) #endif } +static void +ppc_cpu_info (FLAC__CPUInfo *info) +{ +#if defined FLAC__CPU_PPC +#ifndef PPC_FEATURE2_ARCH_3_00 +#define PPC_FEATURE2_ARCH_3_00 0x00800000 +#endif + +#ifndef PPC_FEATURE2_ARCH_2_07 +#define PPC_FEATURE2_ARCH_2_07 0x80000000 +#endif + + if (getauxval(AT_HWCAP2) & PPC_FEATURE2_ARCH_3_00) { + info->ppc.arch_3_00 = true; + } else if (getauxval(AT_HWCAP2) & PPC_FEATURE2_ARCH_2_07) { + info->ppc.arch_2_07 = true; + } +#else + info->ppc.arch_2_07 = false; + info->ppc.arch_3_00 = false; +#endif +} + void FLAC__cpu_info (FLAC__CPUInfo *info) { memset(info, 0, sizeof(*info)); @@ -238,6 +264,8 @@ void FLAC__cpu_info (FLAC__CPUInfo *info) info->type = FLAC__CPUINFO_TYPE_IA32; #elif defined FLAC__CPU_X86_64 info->type = FLAC__CPUINFO_TYPE_X86_64; +#elif defined FLAC__CPU_PPC + info->type = FLAC__CPUINFO_TYPE_PPC; #else info->type = FLAC__CPUINFO_TYPE_UNKNOWN; #endif @@ -247,6 +275,9 @@ void FLAC__cpu_info (FLAC__CPUInfo *info) case FLAC__CPUINFO_TYPE_X86_64: x86_cpu_info (info); break; + case FLAC__CPUINFO_TYPE_PPC: + ppc_cpu_info (info); + break; default: info->use_asm = false; break; diff --git a/src/libFLAC/include/private/cpu.h b/src/libFLAC/include/private/cpu.h index 676d306b..fc31350e 100644 --- a/src/libFLAC/include/private/cpu.h +++ b/src/libFLAC/include/private/cpu.h @@ -153,6 +153,7 @@ typedef enum { FLAC__CPUINFO_TYPE_IA32, FLAC__CPUINFO_TYPE_X86_64, + FLAC__CPUINFO_TYPE_PPC, FLAC__CPUINFO_TYPE_UNKNOWN } FLAC__CPUInfo_Type; @@ -173,11 +174,16 @@ typedef struct { FLAC__bool fma; } FLAC__CPUInfo_x86; +typedef struct { + FLAC__bool arch_3_00; + FLAC__bool arch_2_07; +} FLAC__CPUInfo_ppc; typedef struct { FLAC__bool use_asm; FLAC__CPUInfo_Type type; FLAC__CPUInfo_x86 x86; + FLAC__CPUInfo_ppc ppc; } FLAC__CPUInfo; void FLAC__cpu_info(FLAC__CPUInfo *info); |