diff options
Diffstat (limited to 'kernel/gdt-as.S')
| -rw-r--r-- | kernel/gdt-as.S | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/gdt-as.S b/kernel/gdt-as.S new file mode 100644 index 0000000..7283dc8 --- /dev/null +++ b/kernel/gdt-as.S @@ -0,0 +1,16 @@ + .global gdt_flush + .type gdt_flush, @function +gdt_flush: # prototype: void gdt_flush(uint32_t addr) + cli + movl 4(%esp), %eax # load the address off the stack (first param) + lgdt (%eax) + mov $0x10, %ax + mov %ax, %ds + mov %ax, %es + mov %ax, %fs + mov %ax, %gs + mov %ax, %ss + sti + jmp .flush +.flush: + ret |