C++ (Cpp) show_memory_map示例

示例#1

文件： entry.c 项目： ygoogole/yos

int kern_entry()
{
    init_debug();

    console_clear();

    printk_color(rc_black, rc_green, "Hello, OS kernel!\n");

    //panic("test");

	printk("kernel in memory start: 0x%08X\n", kern_start);
	printk("kernel in memory end:   0x%08X\n", kern_end);
	printk("kernel in memory used:   %d KB\n\n", (kern_end - kern_start) / 1024);
	
	show_memory_map();
	init_pmm();

	printk_color(rc_black, rc_red, "\nThe Count of Physical Memory Page is: %u\n\n", phy_page_count);

	uint32_t allc_addr = NULL;
	printk_color(rc_black, rc_light_brown, "Test Physical Memory Alloc :\n");
	allc_addr = pmm_alloc_page();
	printk_color(rc_black, rc_light_brown, "Alloc Physical Addr: 0x%08X\n", allc_addr);
	allc_addr = pmm_alloc_page();
	printk_color(rc_black, rc_light_brown, "Alloc Physical Addr: 0x%08X\n", allc_addr);
	allc_addr = pmm_alloc_page();
	printk_color(rc_black, rc_light_brown, "Alloc Physical Addr: 0x%08X\n", allc_addr);
	allc_addr = pmm_alloc_page();
	printk_color(rc_black, rc_light_brown, "Alloc Physical Addr: 0x%08X\n", allc_addr);

    return 0;
}

示例#2

文件： init.c 项目： liexusong/tiny-os

void kernel_init()
{
	init_gdt();
	init_idt();
	init_debug();
	init_mm();
	init_vmm();
	init_heap();
	init_sched();

	console_clear();

	cprintk(rc_light_brown,
		"Welcome to SuperSong's OS, version: %s\n\n", "v0.1");

	init_timer(200);

	cprintk(rc_light_cyan,
		"kernel in memory start: 0x%x\n", __kernel_mem_start);
	cprintk(rc_light_cyan,
		"kernel in memory end: 0x%x\n", __kernel_mem_end);
	cprintk(rc_light_cyan,
		"kernel in memory_used: %d KBs\n",
		(__kernel_mem_end - __kernel_mem_start + 1023) / 1024);

	show_memory_map();

	cprintk(rc_red,
			"\nThe count of physical memory pages is: %d\n\n", phy_page_count);

	kthread_create(thread, NULL);

	enable_intr();

	while (1) {
		cprintk(rc_red, "Thraed1\n");
	}

	while (1) {
		__asm__ volatile ("hlt");
	}
}