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Diffstat (limited to 'arch/arc/kernel/vmlinux.lds.S')
-rw-r--r-- | arch/arc/kernel/vmlinux.lds.S | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/arch/arc/kernel/vmlinux.lds.S b/arch/arc/kernel/vmlinux.lds.S new file mode 100644 index 000000000..529ae50f9 --- /dev/null +++ b/arch/arc/kernel/vmlinux.lds.S @@ -0,0 +1,156 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + */ + +#include <asm-generic/vmlinux.lds.h> +#include <asm/cache.h> +#include <asm/page.h> +#include <asm/thread_info.h> + +OUTPUT_ARCH(arc) +ENTRY(res_service) + +#ifdef CONFIG_CPU_BIG_ENDIAN +jiffies = jiffies_64 + 4; +#else +jiffies = jiffies_64; +#endif + +SECTIONS +{ + /* + * ICCM starts at 0x8000_0000. So if kernel is relocated to some other + * address, make sure peripheral at 0x8z doesn't clash with ICCM + * Essentially vector is also in ICCM. + */ + + . = CONFIG_LINUX_LINK_BASE; + + _int_vec_base_lds = .; + .vector : { + *(.vector) + . = ALIGN(PAGE_SIZE); + } + +#ifdef CONFIG_ARC_HAS_ICCM + .text.arcfp : { + *(.text.arcfp) + . = ALIGN(CONFIG_ARC_ICCM_SZ * 1024); + } +#endif + + /* + * The reason for having a seperate subsection .init.ramfs is to + * prevent objump from including it in kernel dumps + * + * Reason for having .init.ramfs above .init is to make sure that the + * binary blob is tucked away to one side, reducing the displacement + * between .init.text and .text, avoiding any possible relocation + * errors because of calls from .init.text to .text + * Yes such calls do exist. e.g. + * decompress_inflate.c:gunzip( ) -> zlib_inflate_workspace( ) + */ + + __init_begin = .; + + .init.ramfs : { INIT_RAM_FS } + + . = ALIGN(PAGE_SIZE); + + HEAD_TEXT_SECTION + INIT_TEXT_SECTION(L1_CACHE_BYTES) + + /* INIT_DATA_SECTION open-coded: special INIT_RAM_FS handling */ + .init.data : { + INIT_DATA + INIT_SETUP(L1_CACHE_BYTES) + INIT_CALLS + CON_INITCALL + } + + .init.arch.info : { + __arch_info_begin = .; + *(.arch.info.init) + __arch_info_end = .; + } + + PERCPU_SECTION(L1_CACHE_BYTES) + + . = ALIGN(PAGE_SIZE); + __init_end = .; + + .text : { + _text = .; + _stext = .; + TEXT_TEXT + SCHED_TEXT + CPUIDLE_TEXT + LOCK_TEXT + KPROBES_TEXT + IRQENTRY_TEXT + SOFTIRQENTRY_TEXT + *(.fixup) + *(.gnu.warning) + } + EXCEPTION_TABLE(L1_CACHE_BYTES) + _etext = .; + + _sdata = .; + RO_DATA(PAGE_SIZE) + + /* + * 1. this is .data essentially + * 2. THREAD_SIZE for init.task, must be kernel-stk sz aligned + */ + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + + _edata = .; + + BSS_SECTION(4, 4, 4) + +#ifdef CONFIG_ARC_DW2_UNWIND + . = ALIGN(PAGE_SIZE); + .eh_frame : { + __start_unwind = .; + *(.eh_frame) + __end_unwind = .; + } +#else + /DISCARD/ : { *(.eh_frame) } +#endif + + . = ALIGN(PAGE_SIZE); + _end = . ; + + STABS_DEBUG + ELF_DETAILS + DISCARDS + + .arcextmap 0 : { + *(.gnu.linkonce.arcextmap.*) + *(.arcextmap.*) + } + +#ifndef CONFIG_DEBUG_INFO + /DISCARD/ : { *(.debug_frame) } + /DISCARD/ : { *(.debug_aranges) } + /DISCARD/ : { *(.debug_pubnames) } + /DISCARD/ : { *(.debug_info) } + /DISCARD/ : { *(.debug_abbrev) } + /DISCARD/ : { *(.debug_line) } + /DISCARD/ : { *(.debug_str) } + /DISCARD/ : { *(.debug_loc) } + /DISCARD/ : { *(.debug_macinfo) } + /DISCARD/ : { *(.debug_ranges) } +#endif + +#ifdef CONFIG_ARC_HAS_DCCM + . = CONFIG_ARC_DCCM_BASE; + __arc_dccm_base = .; + .data.arcfp : { + *(.data.arcfp) + } + . = ALIGN(CONFIG_ARC_DCCM_SZ * 1024); +#endif +} |