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| author | Franklin Wei <frankhwei536@gmail.com> | 2015-02-01 11:33:16 -0500 |
|---|---|---|
| committer | Franklin Wei <frankhwei536@gmail.com> | 2015-02-01 11:33:16 -0500 |
| commit | 439d724ce5939cab7a5c858d1829f212e01e0402 (patch) | |
| tree | 154afa843a96e4cebd4d4f4f480f36415668d620 /kernel/gdt-as.S | |
| parent | 1d7843c2b6d746376f87c2634c92cd93d8cdb728 (diff) | |
| download | kappa-439d724ce5939cab7a5c858d1829f212e01e0402.zip kappa-439d724ce5939cab7a5c858d1829f212e01e0402.tar.gz kappa-439d724ce5939cab7a5c858d1829f212e01e0402.tar.bz2 kappa-439d724ce5939cab7a5c858d1829f212e01e0402.tar.xz | |
first real commit
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 |