.macro EXCEPTION_HANDLER name function error_code=0
    .global \name
    .type \name, @function
\name:
    if \error_code == 0
        pushq $0
    end

    pushq   %rdi
	pushq   %rsi
	pushq   %rdx
	pushq   %rcx
	pushq   %rax
	pushq   %r8
	pushq   %r9
	pushq   %r10
	pushq   %r11
	pushq   %rbx
	pushq   %rbp
	pushq   %r12
	pushq   %r13
	pushq   %r14
	pushq   %r15

	movq    %rsp, %rdi
	/* Error code is second parameter */
	movq	120(%rsp), %rsi
	call    \function

	/* Restore regs */
	popq    %r15
	popq    %r14
	popq    %r13
	popq    %r12
	popq    %rbp
	popq    %rbx
	popq    %r11
	popq    %r10
	popq    %r9
	popq    %r8
	popq    %rax
	popq    %rcx
	popq    %rdx
	popq    %rsi
	popq    %rdi

    addq    $8, %rsp

    iretq
.endm
    .text
    .code64

    EXCEPTION_HANDLER boot_page_fault doBootPageFault error_code=1
    EXCEPTION_HANDLER boot_nmi doBootNMI