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🔧 使cpu支持SSE（目前会出现#GP）

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This commit is contained in:
fslongjin
2022-01-27 14:58:14 +08:00
parent ae52d9c2d2
commit 40a551d154
9 changed files with 198 additions and 16 deletions
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29
kernel/mm/mm.c Normal file
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#include "mm.h"
#include "../common/printk.h"
ul Total_Memory = 0;
void mm_init()
{
// 实模式下获取到的信息的起始地址，转换为ARDS指针
struct ARDS *ards_ptr = (struct ARDS *)0xffff800000007e00;
for (int i = 0; i < 32; ++i)
{
printk("Addr = %#10lx,%8lx\tLength = %#10lx,%8lx\tType = %#10lx\n",
ards_ptr->BaseAddrH, ards_ptr->BaseAddrL, ards_ptr->LengthH, ards_ptr->LengthL, ards_ptr->type);
//可用的内存
if (ards_ptr->type == 1)
{
Total_Memory += ards_ptr->LengthL;
Total_Memory += ((ul)(ards_ptr->LengthH)) << 32;
}
++ards_ptr;
// 脏数据
if (ards_ptr->type > 4)
break;
}
printk_color(ORANGE, BLACK, "Total amount of RAM DragonOS can use: %ld bytes\n", Total_Memory);
}