| .. | .. |
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| 1 | +/* SPDX-License-Identifier: GPL-2.0-only */ |
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| 1 | 2 | /* |
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| 2 | 3 | * purgatory: setup code |
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| 3 | 4 | * |
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| .. | .. |
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| 5 | 6 | * Copyright (C) 2014 Red Hat Inc. |
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| 6 | 7 | * |
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| 7 | 8 | * This code has been taken from kexec-tools. |
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| 8 | | - * |
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| 9 | | - * This source code is licensed under the GNU General Public License, |
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| 10 | | - * Version 2. See the file COPYING for more details. |
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| 11 | 9 | */ |
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| 10 | +#include <linux/linkage.h> |
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| 12 | 11 | #include <asm/purgatory.h> |
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| 13 | 12 | |
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| 14 | 13 | .text |
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| 15 | | - .globl purgatory_start |
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| 16 | 14 | .balign 16 |
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| 17 | | -purgatory_start: |
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| 18 | 15 | .code64 |
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| 19 | 16 | |
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| 17 | +SYM_CODE_START(purgatory_start) |
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| 20 | 18 | /* Load a gdt so I know what the segment registers are */ |
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| 21 | 19 | lgdt gdt(%rip) |
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| 22 | 20 | |
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| .. | .. |
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| 34 | 32 | /* Call the C code */ |
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| 35 | 33 | call purgatory |
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| 36 | 34 | jmp entry64 |
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| 35 | +SYM_CODE_END(purgatory_start) |
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| 37 | 36 | |
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| 38 | 37 | .section ".rodata" |
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| 39 | 38 | .balign 16 |
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| 40 | | -gdt: /* 0x00 unusable segment |
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| 39 | +SYM_DATA_START_LOCAL(gdt) |
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| 40 | + /* 0x00 unusable segment |
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| 41 | 41 | * 0x08 unused |
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| 42 | 42 | * so use them as the gdt ptr |
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| 43 | 43 | */ |
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| .. | .. |
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| 50 | 50 | |
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| 51 | 51 | /* 0x18 4GB flat data segment */ |
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| 52 | 52 | .word 0xFFFF, 0x0000, 0x9200, 0x00CF |
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| 53 | | -gdt_end: |
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| 53 | +SYM_DATA_END_LABEL(gdt, SYM_L_LOCAL, gdt_end) |
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| 54 | 54 | |
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| 55 | 55 | .bss |
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| 56 | 56 | .balign 4096 |
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| 57 | | -lstack: |
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| 57 | +SYM_DATA_START_LOCAL(lstack) |
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| 58 | 58 | .skip 4096 |
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| 59 | | -lstack_end: |
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| 59 | +SYM_DATA_END_LABEL(lstack, SYM_L_LOCAL, lstack_end) |
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