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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Early IDT handler entry points
*
* Copyright (C) 2019 SUSE
*
* Author: Joerg Roedel <jroedel@suse.de>
*/
#include <asm/segment.h>
/* For ORIG_RAX */
#include "../../entry/calling.h"
.macro EXCEPTION_HANDLER name function error_code=0
SYM_FUNC_START(\name)
/* Build pt_regs */
.if \error_code == 0
pushq $0
.endif
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
/* Call handler with pt_regs */
movq %rsp, %rdi
/* Error code is second parameter */
movq ORIG_RAX(%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
/* Remove error code and return */
addq $8, %rsp
iretq
SYM_FUNC_END(\name)
.endm
.text
.code64
EXCEPTION_HANDLER boot_page_fault do_boot_page_fault error_code=1
#ifdef CONFIG_AMD_MEM_ENCRYPT
EXCEPTION_HANDLER boot_stage1_vc do_vc_no_ghcb error_code=1
EXCEPTION_HANDLER boot_stage2_vc do_boot_stage2_vc error_code=1
#endif
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