1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun/* 3*4882a593Smuzhiyun * Early IDT handler entry points 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2019 SUSE 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Author: Joerg Roedel <jroedel@suse.de> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun#include <asm/segment.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun/* For ORIG_RAX */ 13*4882a593Smuzhiyun#include "../../entry/calling.h" 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun.macro EXCEPTION_HANDLER name function error_code=0 16*4882a593SmuzhiyunSYM_FUNC_START(\name) 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* Build pt_regs */ 19*4882a593Smuzhiyun .if \error_code == 0 20*4882a593Smuzhiyun pushq $0 21*4882a593Smuzhiyun .endif 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun pushq %rdi 24*4882a593Smuzhiyun pushq %rsi 25*4882a593Smuzhiyun pushq %rdx 26*4882a593Smuzhiyun pushq %rcx 27*4882a593Smuzhiyun pushq %rax 28*4882a593Smuzhiyun pushq %r8 29*4882a593Smuzhiyun pushq %r9 30*4882a593Smuzhiyun pushq %r10 31*4882a593Smuzhiyun pushq %r11 32*4882a593Smuzhiyun pushq %rbx 33*4882a593Smuzhiyun pushq %rbp 34*4882a593Smuzhiyun pushq %r12 35*4882a593Smuzhiyun pushq %r13 36*4882a593Smuzhiyun pushq %r14 37*4882a593Smuzhiyun pushq %r15 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun /* Call handler with pt_regs */ 40*4882a593Smuzhiyun movq %rsp, %rdi 41*4882a593Smuzhiyun /* Error code is second parameter */ 42*4882a593Smuzhiyun movq ORIG_RAX(%rsp), %rsi 43*4882a593Smuzhiyun call \function 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun /* Restore regs */ 46*4882a593Smuzhiyun popq %r15 47*4882a593Smuzhiyun popq %r14 48*4882a593Smuzhiyun popq %r13 49*4882a593Smuzhiyun popq %r12 50*4882a593Smuzhiyun popq %rbp 51*4882a593Smuzhiyun popq %rbx 52*4882a593Smuzhiyun popq %r11 53*4882a593Smuzhiyun popq %r10 54*4882a593Smuzhiyun popq %r9 55*4882a593Smuzhiyun popq %r8 56*4882a593Smuzhiyun popq %rax 57*4882a593Smuzhiyun popq %rcx 58*4882a593Smuzhiyun popq %rdx 59*4882a593Smuzhiyun popq %rsi 60*4882a593Smuzhiyun popq %rdi 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /* Remove error code and return */ 63*4882a593Smuzhiyun addq $8, %rsp 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun iretq 66*4882a593SmuzhiyunSYM_FUNC_END(\name) 67*4882a593Smuzhiyun .endm 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun .text 70*4882a593Smuzhiyun .code64 71*4882a593Smuzhiyun 72*4882a593SmuzhiyunEXCEPTION_HANDLER boot_page_fault do_boot_page_fault error_code=1 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun#ifdef CONFIG_AMD_MEM_ENCRYPT 75*4882a593SmuzhiyunEXCEPTION_HANDLER boot_stage1_vc do_vc_no_ghcb error_code=1 76*4882a593SmuzhiyunEXCEPTION_HANDLER boot_stage2_vc do_boot_stage2_vc error_code=1 77*4882a593Smuzhiyun#endif 78