cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vmlinux.lds.S (2669B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2012 Regents of the University of California
      4 * Copyright (C) 2017 SiFive
      5 */
      6
      7#define RO_EXCEPTION_TABLE_ALIGN	4
      8
      9#ifdef CONFIG_XIP_KERNEL
     10#include "vmlinux-xip.lds.S"
     11#else
     12
     13#include <asm/pgtable.h>
     14#define LOAD_OFFSET KERNEL_LINK_ADDR
     15
     16#include <asm/vmlinux.lds.h>
     17#include <asm/page.h>
     18#include <asm/cache.h>
     19#include <asm/thread_info.h>
     20#include <asm/set_memory.h>
     21#include "image-vars.h"
     22
     23#include <linux/sizes.h>
     24OUTPUT_ARCH(riscv)
     25ENTRY(_start)
     26
     27jiffies = jiffies_64;
     28
     29PECOFF_SECTION_ALIGNMENT = 0x1000;
     30PECOFF_FILE_ALIGNMENT = 0x200;
     31
     32SECTIONS
     33{
     34	/* Beginning of code and text segment */
     35	. = LOAD_OFFSET;
     36	_start = .;
     37	HEAD_TEXT_SECTION
     38	. = ALIGN(PAGE_SIZE);
     39
     40	.text : {
     41		_text = .;
     42		_stext = .;
     43		TEXT_TEXT
     44		SCHED_TEXT
     45		CPUIDLE_TEXT
     46		LOCK_TEXT
     47		KPROBES_TEXT
     48		ENTRY_TEXT
     49		IRQENTRY_TEXT
     50		SOFTIRQENTRY_TEXT
     51		_etext = .;
     52	}
     53
     54	. = ALIGN(SECTION_ALIGN);
     55	__init_begin = .;
     56	__init_text_begin = .;
     57	.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) ALIGN(SECTION_ALIGN) { \
     58		_sinittext = .;						\
     59		INIT_TEXT						\
     60		_einittext = .;						\
     61	}
     62
     63	. = ALIGN(8);
     64	__soc_early_init_table : {
     65		__soc_early_init_table_start = .;
     66		KEEP(*(__soc_early_init_table))
     67		__soc_early_init_table_end = .;
     68	}
     69	__soc_builtin_dtb_table : {
     70		__soc_builtin_dtb_table_start = .;
     71		KEEP(*(__soc_builtin_dtb_table))
     72		__soc_builtin_dtb_table_end = .;
     73	}
     74	/* we have to discard exit text and such at runtime, not link time */
     75	.exit.text :
     76	{
     77		EXIT_TEXT
     78	}
     79
     80	__init_text_end = .;
     81	. = ALIGN(SECTION_ALIGN);
     82#ifdef CONFIG_EFI
     83	. = ALIGN(PECOFF_SECTION_ALIGNMENT);
     84	__pecoff_text_end = .;
     85#endif
     86	/* Start of init data section */
     87	__init_data_begin = .;
     88	INIT_DATA_SECTION(16)
     89	.exit.data :
     90	{
     91		EXIT_DATA
     92	}
     93	PERCPU_SECTION(L1_CACHE_BYTES)
     94
     95	.rel.dyn : {
     96		*(.rel.dyn*)
     97	}
     98
     99	__init_data_end = .;
    100
    101	. = ALIGN(8);
    102	.alternative : {
    103		__alt_start = .;
    104		*(.alternative)
    105		__alt_end = .;
    106	}
    107	__init_end = .;
    108
    109	/* Start of data section */
    110	_sdata = .;
    111	RO_DATA(SECTION_ALIGN)
    112	.srodata : {
    113		*(.srodata*)
    114	}
    115
    116	. = ALIGN(SECTION_ALIGN);
    117	_data = .;
    118
    119	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN)
    120	.sdata : {
    121		__global_pointer$ = . + 0x800;
    122		*(.sdata*)
    123	}
    124
    125#ifdef CONFIG_EFI
    126	.pecoff_edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGNMENT); }
    127	__pecoff_data_raw_size = ABSOLUTE(. - __pecoff_text_end);
    128#endif
    129
    130	/* End of data section */
    131	_edata = .;
    132
    133	BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0)
    134
    135#ifdef CONFIG_EFI
    136	. = ALIGN(PECOFF_SECTION_ALIGNMENT);
    137	__pecoff_data_virt_size = ABSOLUTE(. - __pecoff_text_end);
    138#endif
    139	_end = .;
    140
    141	STABS_DEBUG
    142	DWARF_DEBUG
    143	ELF_DETAILS
    144
    145	DISCARDS
    146}
    147#endif /* CONFIG_XIP_KERNEL */