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Fix hwcaps constants for mips. (#60)

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fixes #59
This commit is contained in:
Guillaume Chatelet 2019-01-21 10:39:24 +01:00 committed by GitHub
parent 6984510879
commit 9917e8481e
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 6 additions and 20 deletions
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13
include/internal/hwcaps.h
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@ -50,16 +50,9 @@ CPU_FEATURES_START_CPP_NAMESPACE
#define ARM_HWCAP2_CRC32 (1UL << 4)
// http://elixir.free-electrons.com/linux/latest/source/arch/mips/include/uapi/asm/hwcap.h
#define MIPS_HWCAP_VZ (1UL << 0)
#define MIPS_HWCAP_EVA (1UL << 1)
#define MIPS_HWCAP_HTW (1UL << 2)
#define MIPS_HWCAP_FPU (1UL << 3)
#define MIPS_HWCAP_MIPS32R2 (1UL << 4)
#define MIPS_HWCAP_MIPS32R5 (1UL << 5)
#define MIPS_HWCAP_MIPS64R6 (1UL << 6)
#define MIPS_HWCAP_DSPR1 (1UL << 7)
#define MIPS_HWCAP_DSPR2 (1UL << 8)
#define MIPS_HWCAP_MSA (1UL << 9)
#define MIPS_HWCAP_R6 (1UL << 0)
#define MIPS_HWCAP_MSA (1UL << 1)
#define MIPS_HWCAP_CRC32 (1UL << 2)
// http://elixir.free-electrons.com/linux/latest/source/arch/powerpc/include/uapi/asm/cputable.h
#ifndef _UAPI__ASM_POWERPC_CPUTABLE_H

2
src/cpuinfo_mips.c
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@ -24,7 +24,7 @@ DECLARE_SETTER(MipsFeatures, eva)
static const CapabilityConfig kConfigs[] = {
{{MIPS_HWCAP_MSA, 0}, "msa", &set_msa}, //
{{MIPS_HWCAP_EVA, 0}, "eva", &set_eva}, //
{{0, 0}, "eva", &set_eva}, //
};
static const size_t kConfigsSize = sizeof(kConfigs) / sizeof(CapabilityConfig);

3
src/unix_features_aggregator.c
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@ -28,12 +28,13 @@ void CpuFeatures_SetFromFlags(const size_t configs_size,
}
static bool IsSet(const uint32_t mask, const uint32_t value) {
if (mask == 0) return false;
return (value & mask) == mask;
}
static bool IsHwCapsSet(const HardwareCapabilities hwcaps_mask,
const HardwareCapabilities hwcaps) {
return IsSet(hwcaps_mask.hwcaps, hwcaps.hwcaps) &&
return IsSet(hwcaps_mask.hwcaps, hwcaps.hwcaps) ||
IsSet(hwcaps_mask.hwcaps2, hwcaps.hwcaps2);
}

8
test/cpuinfo_mips_test.cc
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@ -26,14 +26,6 @@ namespace {
void DisableHardwareCapabilities() { SetHardwareCapabilities(0, 0); }
TEST(CpuinfoMipsTest, FromHardwareCapBoth) {
SetHardwareCapabilities(MIPS_HWCAP_EVA | MIPS_HWCAP_MSA, 0);
GetEmptyFilesystem(); // disabling /proc/cpuinfo
const auto info = GetMipsInfo();
EXPECT_TRUE(info.features.msa);
EXPECT_TRUE(info.features.eva);
}
TEST(CpuinfoMipsTest, FromHardwareCapOnlyOne) {
SetHardwareCapabilities(MIPS_HWCAP_MSA, 0);
GetEmptyFilesystem(); // disabling /proc/cpuinfo