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idt_handlers_64.S


products/Sources/formale Sprachen/C/Linux/arch/x86/boot/compressed/idt_handlers_64.S

/* SPDX-License-Identifier: GPL-2.0-only */ /* * Early IDT handler entry points * * Copyright (C) 2019 SUSE * * Author: Joerg Roedel */ #include /* 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 EXCEPTION_HANDLER boot_nmi_trap do_boot_nmi_trap error_code=0 #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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