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x86_64 syscalls: enable interrupts after loading sane state

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Matheus
2022-09-03 13:13:07 -03:00
parent 33e6f26415
commit 5127ce9217
1 changed files with 4 additions and 0 deletions
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src/arch/x86_64/syscall.asm
+4
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@@ -46,6 +46,8 @@ asm_syscall_entry:
push qword [gs:0] ; save old stack push qword [gs:0] ; save old stack
mov [gs:0], rsp ; return back the kernel stack mov [gs:0], rsp ; return back the kernel stack
add qword [gs:0], 8 ; fix it add qword [gs:0], 8 ; fix it
sti
push rcx ; old rip push rcx ; old rip
push r11 ; old rflags push r11 ; old rflags
@@ -90,6 +92,8 @@ asm_syscall_entry:
mov es,r11 mov es,r11
mov ds,r11 mov ds,r11
cli
pop r11 pop r11
pop rcx pop rcx
pop rsp pop rsp