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ircd::info: Gather basic idents on aarch64. (closes #132)

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This commit is contained in:
Jason Volk 2020-10-02 03:16:24 -07:00
parent 2146fe5c32
commit e472a4a5df
2 changed files with 122 additions and 1 deletions
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12
include/ircd/info.h
View file

@ -125,6 +125,18 @@ namespace ircd::info::hardware::x86
extern const bool tsc, tsc_constant;
};
namespace ircd::info::hardware::arm
{
extern const uint64_t midr;
extern const uint64_t revidr;
extern const uint64_t isar[1];
extern const uint64_t mmfr[1];
extern const uint64_t pfr[1];
extern const uint64_t ctr;
extern const string_view vendor;
};
/// Instances of `versions` create a dynamic version registry identifying
/// third-party dependencies throughout the project and its loaded modules.
///

111
ircd/info.cc
View file

@ -145,7 +145,7 @@ ircd::info::dump_cpu_info()
#if defined(__i386__) or defined(__x86_64__)
log::info
{
log::star, "%s %s sse3:%b ssse3:%b sse4a:%b sse4.1:%b sse4.2:%b avx:%b avx2:%b avx512f:%b constant_tsc:%b",
log::star, "amd64 %s %s sse3:%b ssse3:%b sse4a:%b sse4.1:%b sse4.2:%b avx:%b avx2:%b avx512f:%b constant_tsc:%b",
hardware::x86::vendor,
hardware::virtualized?
"virtual"_sv:
@ -162,6 +162,35 @@ ircd::info::dump_cpu_info()
};
#endif
#if defined(__aarch64__)
log::info
{
log::star, "aarch64 %s MIDR[%08lx] REVIDR[%08lx] PFR0[%016lx] ISAR0[%016lx] MMFR0[%016lx] CACHETYPE[%016lx]",
hardware::arm::vendor,
hardware::arm::midr,
hardware::arm::revidr,
hardware::arm::isar[0],
hardware::arm::mmfr[0],
hardware::arm::pfr[0],
hardware::arm::ctr,
};
#endif
log::logf
{
log::star, log::DEBUG,
"0..00 STD MANUFAC [%08x|%08x|%08x|%08x] "
"0..01 STD FEATURE [%08x|%08x|%08x|%08x]",
uint32_t(hardware::x86::manufact >> 0),
uint32_t(hardware::x86::manufact >> 32),
uint32_t(hardware::x86::manufact >> 64),
uint32_t(hardware::x86::manufact >> 96),
uint32_t(hardware::x86::features >> 0),
uint32_t(hardware::x86::features >> 32),
uint32_t(hardware::x86::features >> 64),
uint32_t(hardware::x86::features >> 96),
};
char pbuf[6][48];
log::info
{
@ -511,6 +540,86 @@ noexcept
}
}
//
// aarch64
//
#if defined(__aarch64__)
decltype(ircd::info::hardware::arm::midr)
ircd::info::hardware::arm::midr{[]
{
uint64_t ret {0};
#if defined(__aarch64__)
asm volatile ("mrs %0, MIDR_EL1": "=r" (ret));
#endif
return ret;
}()};
decltype(ircd::info::hardware::arm::revidr)
ircd::info::hardware::arm::revidr{[]
{
uint64_t ret {0};
#if defined(__aarch64__)
asm volatile ("mrs %0, REVIDR_EL1": "=r" (ret));
#endif
return ret;
}()};
decltype(ircd::info::hardware::arm::isar)
ircd::info::hardware::arm::isar{[]
{
uint64_t ret {0};
#if defined(__aarch64__)
asm volatile ("mrs %0, ID_AA64ISAR0_EL1": "=r" (ret));
#endif
return ret;
}()};
decltype(ircd::info::hardware::arm::mmfr)
ircd::info::hardware::arm::mmfr{[]
{
uint64_t ret {0};
#if defined(__aarch64__)
asm volatile ("mrs %0, ID_AA64MMFR0_EL1": "=r" (ret));
#endif
return ret;
}()};
decltype(ircd::info::hardware::arm::pfr)
ircd::info::hardware::arm::pfr{[]
{
uint64_t ret {0};
#if defined(__aarch64__)
asm volatile ("mrs %0, ID_AA64PFR0_EL1": "=r" (ret));
#endif
return ret;
}()};
decltype(ircd::info::hardware::arm::ctr)
ircd::info::hardware::arm::ctr{[]
{
uint64_t ret {0};
#if defined(__aarch64__)
asm volatile ("mrs %0, CTR_EL0": "=r" (ret));
#endif
return ret;
}()};
static char
ircd_info_hardware_arm_vendor[32]
{
"<unknown vendor>"
};
decltype(ircd::info::hardware::arm::vendor)
ircd::info::hardware::arm::vendor{[]
() -> ircd::string_view
{
return ircd_info_hardware_arm_vendor;
}()};
#endif // __aarch64__
//
// Generic / Standard
//