kvisc/ka/sys/intr/common.k

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; The OS/K Team licenses this file to you under the MIT license.
; See the LICENSE file in the project root for more information.
TrapHandlers.prolog:
sub rsp, rbp, 24
mov q[rbp-8], r11
mov q[rbp-16], r12
mov q[rbp-24], r13
xor rdx, rdx
jmp rcx ; go back
TrapHandlers.epilog:
mov r13, q[rbp-24]
mov r12, q[rbp-16]
mov r11, q[rbp-8]
; TRAP return values: RAX-RDX
mov ax0, r12
mov ax1, $rax
mov ax2, rax
call RFS.StoreReg
mov ax1, $rdx
mov ax2, rdx
call RFS.StoreReg
mov ax0, r11
call IDT.DoneHandling
iret