kolibrios/programs/system/shell/cmd/cmd_ver.c

#include "../system/kolibri.h"

void get_str_kernel_version(char *str, const char *fmt) {
    struct kernel_version kv;

    kol_get_kernel_ver(&kv);
    char str_offset[8] = {'\0'};
    if (kv.offset)
        sprintf(str_offset, "+%u", kv.offset);
    char str_dbgtag[4] = {'\0'};
    if (kv.dbgtag)
        sprintf(str_dbgtag, "-%c", kv.dbgtag);
    char str_cmtid[16] = {'\0'};
    if (kv.cmtid)
        sprintf(str_cmtid, " (%08x)", kv.cmtid);

    sprintf(str, fmt, kv.osrel[0], kv.osrel[1], kv.osrel[2], kv.osrel[3],
            str_offset, str_dbgtag, str_cmtid, kv.abimaj, kv.abimin);
}

void get_str_cpu_info(char *str) {
    unsigned a, b, c, d;

    asm ("cpuid" :
                    "=a" (a),
            "=b" (b),
            "=c" (c),
            "=d" (d):
            "a"(0));

    str[0] = (b&0x000000ff)	>> 0;
    str[1] = (b&0x0000ff00)	>> 8;
    str[2] = (b&0x00ff0000)	>> 16;
    str[3] = (b&0xff000000)	>> 24;

    str[4] = (d&0x000000ff)	>> 0;
    str[5] = (d&0x0000ff00)	>> 8;
    str[6] = (d&0x00ff0000)	>> 16;
    str[7] = (d&0xff000000)	>> 24;

    str[8] = (c&0x000000ff)	>> 0;
    str[9] = (c&0x0000ff00)	>> 8;
    str[10] = (c&0x00ff0000)	>> 16;
    str[11] = (c&0xff000000)	>> 24;
    str[12] = '\0';
}

int cmd_ver(char param[]) {
    if (!strcmp(param, "kernel")) {
        get_str_kernel_version(tmpstr, CMD_VER_FMT1);
        printf(tmpstr);
        return TRUE;
    }

    if (!strcmp(param, "cpu")) {
        char str[13];
        get_str_cpu_info(str);
        printf("%s\n\r", str);
        return TRUE;
    }

    printf ("  Shell v%s\n\r", SHELL_VERSION);
    return TRUE;
}