GPU

1、kernel\drivers\base\cpu.c

    int __init cpu_dev_init(void)
{
int err;


err = sysdev_class_register(&cpu_sysdev_class);
#if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT)
if (!err)
err = sched_create_sysfs_power_savings_entries(&cpu_sysdev_class);
#endif
#if 1
kobject_create_and_add("cpu1",&cpu_sysdev_class.kset.kobj);
kobject_create_and_add("cpu2",&cpu_sysdev_class.kset.kobj);
kobject_create_and_add("cpu3",&cpu_sysdev_class.kset.kobj);

//中第一个参数是创建的目录的名称，第二个参数是创建的目录的位置

//路径为：/sys/devices/system/cpu
#endif
return err;
}

2、system\core\init\util.c

   #if 0
    if (hw) {
        x = strstr(hw, ": ");
        if (x) {
            x += 2;
            n = 0;
            while (*x && !isspace(*x)) {
                hardware[n++] = tolower(*x);
                x++;
                if (n == 31) break;
            }
            hardware[n] = 0;
        }
    }
#else    
    hardware[0] = 'm';
    hardware[1] = 't';
    hardware[2] = '6';
    hardware[3] = '5';
    hardware[4] = '7';
    hardware[5] = '5';
    hardware[6] = 0;
#endif

3、kernel\arch\arm\kernel\setup.c

static int c_show(struct seq_file *m, void *v)

#if defined(CUSTOM_SAMSUNG_STYLE_SUPPORT)
seq_printf(m, "Processor\t: %s\n","ARMv9 Processor rev10(v71)");
#else
seq_printf(m, "Processor\t: %s rev %d (%s)\n",
   cpu_name, read_cpuid_id() & 15, elf_platform);   
#endif

#if defined(CUSTOM_SAMSUNG_STYLE_SUPPORT)
seq_printf(m, "Hardware\t: %s\n", "MT6577\n");
#else
seq_printf(m, "Hardware\t: %s\n", machine_name);
#endif