38 lines
659 B
Plaintext
38 lines
659 B
Plaintext
; The OS/K Team licenses this file to you under the MIT license.
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; See the LICENSE file in the project root for more information.
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TrapHandlers.prolog:
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mov rbp, rsp
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sub rsp, rsp, 24
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mov q[rbp-8], r13
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mov q[rbp-16], r14
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mov q[rbp-24], r15
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; nx0 = caller's cr2
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mov ax0, r14
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mov ax1, $cr2
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call RFS.LoadReg
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mov r12, rax
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mov rdx, zero
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jmp rcx
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TrapHandlers.epilog:
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mov r15, q[rbp-24]
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mov r14, q[rbp-16]
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mov r13, q[rbp-8]
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; TRAP return values: RAX-RDX
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mov ax2, rax
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call RFS.StoreReg, r14, $rax
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mov ax2, rdx
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call RFS.StoreReg, r14, $rdx
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call IDT.DoneHandling, r13
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iret
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