diff options
Diffstat (limited to 'gprofng/common/cpuid.c')
| -rw-r--r-- | gprofng/common/cpuid.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gprofng/common/cpuid.c b/gprofng/common/cpuid.c index af15439..891d547 100644 --- a/gprofng/common/cpuid.c +++ b/gprofng/common/cpuid.c @@ -42,6 +42,11 @@ __get_cpuid (unsigned int op ATTRIBUTE_UNUSED, unsigned int *eax, Tprintf (DBG_LT0, "cpuid.c:%d read_cpuid_id() MIDR_EL1=0x%016x\n", __LINE__, *eax); return res; } +#elif defined(__riscv) +#include <sched.h> +#include <sys/syscall.h> +#include <unistd.h> +#include <asm/hwprobe.h> #endif /* @@ -180,6 +185,28 @@ get_cpuid_info () cpi->cpi_model += CPI_MODEL_XTD (regs.eax) << 4; break; } +#elif defined(__riscv) + #ifndef __riscv_hwprobe + cpi->cpi_vendor = 0; + cpi->cpi_family = 0; + cpi->cpi_model = 0; + #else + struct riscv_hwprobe res; + res.key = RISCV_HWPROBE_KEY_MVENDORID; + cpu_set_t cpu_set; + int __riscv_hwprobe (struct riscv_hwprobe *pairs, \ + long pair_count, long cpu_count, \ + unsigned long *cpus, unsigned long flags) \ + { + return syscall(__NR_riscv_hwprobe, pairs, pair_count, cpu_count, cpus, flags); + } + CPU_ZERO(&cpu_set); + CPU_SET(0, &cpu_set); + long ret = __riscv_hwprobe(&res, 1, 1, &cpu_set, 0); + cpi->cpi_vendor = res.value; + cpi->cpi_family = 0; + cpi->cpi_model = 0; + #endif #endif return cpi; } |