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Fixed GCC using sse instructions, fixing TSS support (and removed using
[tpg/acess2.git]
/
Kernel
/
arch
/
x86_64
/
start64.asm
diff --git
a/Kernel/arch/x86_64/start64.asm
b/Kernel/arch/x86_64/start64.asm
index
04bac26
..
33c77d6
100644
(file)
--- a/
Kernel/arch/x86_64/start64.asm
+++ b/
Kernel/arch/x86_64/start64.asm
@@
-50,10
+50,10
@@
GetRIP:
[global GetCPUNum]
GetCPUNum:
- str ax
- mov gs, ax
xor rax, rax
- mov al, [gs:104] ; End of TSS
+ str ax
+ sub ax, 0x38 ; TSS Base
+ shr ax, 4 ; One 16-byte TSS per CPU
ret
KSTACK_USERSTATE_SIZE equ (16+1+5)*8 ; GPRegs, CPU, IRET
UCC
git Repository :: git.ucc.asn.au