minix/servers/procfs/cpuinfo.c
Lionel Sambuc b1c4ba4ab6 ARM updates
Due to the ABI we are using we have to use the earm architecture
moniker for the build system to behave correctly. This involves
then some headers to move around.

There is also a few related Makefile updates as well as minor
source code corrections.
2013-01-17 10:03:58 +01:00

134 lines
2.1 KiB
C

#include "inc.h"
#include "../../kernel/arch/i386/include/archconst.h"
#ifndef CONFIG_MAX_CPUS
#define CONFIG_MAX_CPUS 1
#endif
static const char * x86_flag[] = {
"fpu",
"vme",
"de",
"pse",
"tsc",
"msr",
"pae",
"mce",
"cx8",
"apic",
"",
"sep",
"mtrr",
"pge",
"mca",
"cmov",
"pat",
"pse36",
"psn",
"clfsh",
"",
"dts",
"acpi",
"mmx",
"fxsr",
"sse",
"sse2",
"ss",
"ht",
"tm",
"",
"pbe",
"pni",
"",
"",
"monitor",
"ds_cpl",
"vmx",
"smx",
"est",
"tm2",
"ssse3",
"cid",
"",
"",
"cx16",
"xtpr",
"pdcm",
"",
"",
"dca",
"sse4_1",
"sse4_2",
"x2apic",
"movbe",
"popcnt",
"",
"",
"xsave",
"osxsave",
"",
"",
"",
"",
};
static void print_cpu_flags(u32_t * flags)
{
int i, j;
for (i = 0; i < 2; i++) {
for (j = 0; j < 32; j++) {
if (flags[i] & (1 << j) &&
x86_flag[i * 32 + j][0])
buf_printf("%s ", x86_flag[i * 32 + j]);
}
}
buf_printf("\n");
}
static void print_cpu(struct cpu_info * cpu_info, unsigned id)
{
buf_printf("%-16s: %d\n", "processor", id);
#if defined(__i386__)
switch (cpu_info->vendor) {
case CPU_VENDOR_INTEL:
buf_printf("%-16s: %s\n", "vendor_id", "GenuineIntel");
buf_printf("%-16s: %s\n", "model name", "Intel");
break;
case CPU_VENDOR_AMD:
buf_printf("%-16s: %s\n", "vendor_id", "AuthenticAMD");
buf_printf("%-16s: %s\n", "model name", "AMD");
break;
default:
buf_printf("%-16: %s\n", "vendor_id", "unknown");
}
buf_printf("%-16s: %d\n", "cpu family", cpu_info->family);
buf_printf("%-16s: %d\n", "model", cpu_info->model);
buf_printf("%-16s: %d\n", "stepping", cpu_info->stepping);
buf_printf("%-16s: %d\n", "cpu MHz", cpu_info->freq);
buf_printf("%-16s: ", "flags");
print_cpu_flags(cpu_info->flags);
buf_printf("\n");
#endif
}
void root_cpuinfo(void)
{
struct cpu_info cpu_info[CONFIG_MAX_CPUS];
struct machine machine;
unsigned c;
if (sys_getmachine(&machine)) {
printf("PROCFS: cannot get machine\n");
return;
}
if (sys_getcpuinfo(&cpu_info)) {
printf("PROCFS: cannot get cpu info\n");
return;
}
for (c = 0; c < machine.processors_count; c++)
print_cpu(&cpu_info[c], c);
}