| 34,6 → 34,7 |
|---|
| #include <arch/asm.h> |
| #include <arch/context.h> |
| #include <panic.h> |
| #include <arch/mm/page.h> |
| |
| /* |
| * Early ia32 configuration functions and data structures. |
| 131,9 → 132,9 |
|---|
| /* Clean IOPL(12,13) and NT(14) flags in EFLAGS register */ |
| static void clean_IOPL_NT_flags(void) |
| { |
| asm |
| asm |
| ( |
| "pushfl;" |
| "pushfl;" |
| "pop %%eax;" |
| "and $0xffff8fff,%%eax;" |
| "push %%eax;" |
| 147,9 → 148,9 |
|---|
| /* Clean AM(18) flag in CR0 register */ |
| static void clean_AM_flag(void) |
| { |
| asm |
| asm |
| ( |
| "mov %%cr0,%%eax;" |
| "mov %%cr0,%%eax;" |
| "and $0xFFFBFFFF,%%eax;" |
| "mov %%eax,%%cr0;" |
| : |
| 158,10 → 159,6 |
|---|
| ); |
| } |
| |
| |
| |
| |
| |
| void pm_init(void) |
| { |
| struct descriptor *gdt_p = (struct descriptor *) PA2KA(gdtr.base); |