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/*
* (C) Copyright 2007 Tensilica, Inc.
* (C) Copyright 2014 - 2016 Cadence Design Systems Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _XTENSA_LDSCRIPT_H
#define _XTENSA_LDSCRIPT_H
/*
* This linker script is pre-processed with CPP to avoid hard-coding
* addresses that depend on the Xtensa core configuration, because
* this FPGA board can be used with a huge variety of Xtensa cores.
*/
#include <asm/arch/core.h>
#include <asm/addrspace.h>
#define ALIGN_LMA 4
#define LMA_EQ_VMA
#define FORCE_OUTPUT . = .
#define FOLLOWING(sec) \
AT(((LOADADDR(sec) + SIZEOF(sec) + ALIGN_LMA-1)) & ~(ALIGN_LMA-1))
/*
* Specify an output section that will be added to the ROM store table
* (PACKED_SECTION) or one that will be resident in ROM (RESIDENT_SECTION).
* 'symname' is a base name for section boundary symbols *_start & *_end.
* 'lma' is the load address at which a section will be packed in ROM.
* 'region' is the basename identifying a memory region and program header.
* 'keep' prevents removal of empty sections (must be 'KEEP' or 'NOKEEP').
*/
#define RELOCATE1(_sec_) \
LONG(_##_sec_##_start); \
LONG(_##_sec_##_end); \
LONG(LOADADDR(.##_sec_));
#define RELOCATE2(_sym_, _sec_) \
LONG(_##_sym_##_##_sec_##_start); \
LONG(_##_sym_##_##_sec_##_end); \
LONG(LOADADDR(.##_sym_##.##_sec_));
#define SECTION_VECTOR(_sym_, _sec_, _vma_, _lma_) \
.##_sym_##.##_sec_ _vma_ : _lma_ \
{ \
. = ALIGN(4); \
_##_sym_##_##_sec_##_start = ABSOLUTE(.); \
KEEP(*(.##_sym_##.##_sec_)) \
_##_sym_##_##_sec_##_end = ABSOLUTE(.); \
}
/* In MMU configs there are two aliases of SYSROM, cached and uncached.
* For various reasons it is simpler to use the uncached mapping for load
* addresses, so ROM sections end up contiguous with the reset vector and
* we get a compact binary image. However we can gain performance by doing
* the unpacking from the cached ROM mapping. So we adjust all the load
* addresses in the ROM store table with an offset to the cached mapping,
* including the symbols referring to the ROM store table itself.
*/
#define SECTION_ResetVector(_vma_, _lma_) \
.ResetVector.text _vma_ : _lma_ \
{ \
FORCE_OUTPUT; \
KEEP(*(.ResetVector.text)); \
KEEP(*(.reset.literal .reset.text)) \
}
#define SECTION_text(_vma_, _lma_) \
.text _vma_ : _lma_ \
{ \
_text_start = ABSOLUTE(.); \
*(.literal .text) \
*(.literal.* .text.* .stub) \
*(.gnu.warning .gnu.linkonce.literal.*) \
*(.gnu.linkonce.t.*.literal .gnu.linkonce.t.*) \
*(.fini.literal) \
*(.fini) \
*(.gnu.version) \
_text_end = ABSOLUTE(.); \
}
#define SECTION_rodata(_vma_, _lma_) \
.rodata _vma_ : _lma_ \
{ \
_rodata_start = ABSOLUTE(.); \
*(.rodata) \
*(.rodata.*) \
*(.dtb.init.rodata) \
*(.gnu.linkonce.r.*) \
*(.rodata1) \
__XT_EXCEPTION_TABLE__ = ABSOLUTE(.); \
*(.xt_except_table) \
*(.gcc_except_table) \
*(.gnu.linkonce.e.*) \
*(.gnu.version_r) \
. = ALIGN(16); \
_rodata_end = ABSOLUTE(.); \
}
#define SECTION_u_boot_list(_vma_, _lma_) \
.u_boot_list _vma_ : _lma_ \
{ \
_u_boot_list_start = ABSOLUTE(.); \
KEEP(*(SORT(.u_boot_list*))); \
_u_boot_list_end = ABSOLUTE(.); \
}
#define SECTION_data(_vma_, _lma_) \
.data _vma_ : _lma_ \
{ \
_data_start = ABSOLUTE(.); \
*(.data) \
*(.data.*) \
*(.gnu.linkonce.d.*) \
*(.data1) \
*(.sdata) \
*(.sdata.*) \
*(.gnu.linkonce.s.*) \
*(.sdata2) \
*(.sdata2.*) \
*(.gnu.linkonce.s2.*) \
*(.jcr) \
*(.eh_frame) \
*(.dynamic) \
*(.gnu.version_d) \
_data_end = ABSOLUTE(.); \
}
#define SECTION_lit4(_vma_, _lma_) \
.lit4 _vma_ : _lma_ \
{ \
_lit4_start = ABSOLUTE(.); \
*(*.lit4) \
*(.gnu.linkonce.lit4.*) \
_lit4_end = ABSOLUTE(.); \
}
#define SECTION_bss(_vma_, _lma_) \
.bss _vma_ : _lma_ \
{ \
. = ALIGN(8); \
_bss_start = ABSOLUTE(.); \
__bss_start = ABSOLUTE(.); \
*(.dynsbss) \
*(.sbss) \
*(.sbss.*) \
*(.gnu.linkonce.sb.*) \
*(.scommon) \
*(.sbss2) \
*(.sbss2.*) \
*(.gnu.linkonce.sb2.*) \
*(.dynbss) \
*(.bss) \
*(.bss.*) \
*(.gnu.linkonce.b.*) \
*(COMMON) \
*(.sram.bss) \
. = ALIGN(8); \
_bss_end = ABSOLUTE(.); \
__bss_end = ABSOLUTE(.); \
_end = ALIGN(0x8); \
PROVIDE(end = ALIGN(0x8)); \
_stack_sentry = ALIGN(0x8); \
}
#define SECTION_debug \
.debug 0 : { *(.debug) } \
.line 0 : { *(.line) } \
.debug_srcinfo 0 : { *(.debug_srcinfo) } \
.debug_sfnames 0 : { *(.debug_sfnames) } \
.debug_aranges 0 : { *(.debug_aranges) } \
.debug_pubnames 0 : { *(.debug_pubnames) } \
.debug_info 0 : { *(.debug_info) } \
.debug_abbrev 0 : { *(.debug_abbrev) } \
.debug_line 0 : { *(.debug_line) } \
.debug_frame 0 : { *(.debug_frame) } \
.debug_str 0 : { *(.debug_str) } \
.debug_loc 0 : { *(.debug_loc) } \
.debug_macinfo 0 : { *(.debug_macinfo) } \
.debug_weaknames 0 : { *(.debug_weaknames) } \
.debug_funcnames 0 : { *(.debug_funcnames) } \
.debug_typenames 0 : { *(.debug_typenames) } \
.debug_varnames 0 : { *(.debug_varnames) }
#define SECTION_xtensa \
.xt.insn 0 : \
{ \
KEEP (*(.xt.insn)) \
KEEP (*(.gnu.linkonce.x.*)) \
} \
.xt.prop 0 : \
{ \
KEEP (*(.xt.prop)) \
KEEP (*(.xt.prop.*)) \
KEEP (*(.gnu.linkonce.prop.*)) \
} \
.xt.lit 0 : \
{ \
KEEP (*(.xt.lit)) \
KEEP (*(.xt.lit.*)) \
KEEP (*(.gnu.linkonce.p.*)) \
} \
.xt.profile_range 0 : \
{ \
KEEP (*(.xt.profile_range)) \
KEEP (*(.gnu.linkonce.profile_range.*)) \
} \
.xt.profile_ranges 0 : \
{ \
KEEP (*(.xt.profile_ranges)) \
KEEP (*(.gnu.linkonce.xt.profile_ranges.*)) \
} \
.xt.profile_files 0 : \
{ \
KEEP (*(.xt.profile_files)) \
KEEP (*(.gnu.linkonce.xt.profile_files.*)) \
}
#endif /* _XTENSA_LDSCRIPT_H */
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