memsizes.c

来自「linux下从网卡远程启动」· C语言 代码 · 共 25 行

#include	"etherboot.h"
#include	"start32.h"

/* Taken from Etherboot */
/* by Eric Biederman */

struct meminfo meminfo;

void get_memsizes(void)
{
	int i;
	meminfo.basememsize = basememsize();
	meminfo.memsize = memsize();
	meminfo.map_count = meme820(meminfo.map, E820MAX);
	if (meminfo.map_count == 0) {
		/* If we don't have an e820 memory map fake it */
		meminfo.map_count = 2;
		meminfo.map[0].size = meminfo.basememsize << 10;
		meminfo.map[0].type = E820_RAM;
		meminfo.map[1].addr = 1024*1024;
		meminfo.map[1].size = meminfo.memsize << 10;
		meminfo.map[1].type = E820_RAM;
	}
}