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Atmosphere/fusee/fusee-secondary/linker.ld
Michael Scire 200da4c2da fusee: execute more ccplex boot code out of iram
2021-01-01 16:44:43 -08:00

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OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
PHDRS
{
crt0 PT_LOAD;
chainloader PT_LOAD;
nxboot PT_LOAD;
main PT_LOAD;
}
/* Mostly copied from https://github.com/devkitPro/buildscripts/blob/master/dkarm-eabi/crtls/3dsx.ld */
MEMORY
{
main : ORIGIN = 0xF0000000, LENGTH = 0x10000000
high_iram : ORIGIN = 0x40010000, LENGTH = 0x8000
low_iram : ORIGIN = 0x40003000, LENGTH = 0x8000
}
SECTIONS
{
PROVIDE(__start__ = 0xF0000000);
PROVIDE(__stack_top__ = 0x40020000);
PROVIDE(__stack_bottom__ = 0x40018000);
PROVIDE(__heap_start__ = 0x90020000);
PROVIDE(__heap_end__ = 0xA0020000);
. = __start__;
.crt0 :
{
KEEP( *(.text.start) )
KEEP( *(.init) )
. = ALIGN(32);
} >main :crt0
.chainloader_loadable :
{
. = ALIGN(32);
PROVIDE (__chainloader_start__ = ABSOLUTE(.));
PROVIDE (__chainloader_lma__ = LOADADDR(.chainloader_loadable));
KEEP(*(.chainloader.text.start))
chainloader.o(.text*)
chainloader.o(.rodata*)
chainloader.o(.data*)
. = ALIGN(32);
} >low_iram AT>main :chainloader
.chainloader_bss (NOLOAD) :
{
. = ALIGN(32);
PROVIDE (__chainloader_bss_start__ = ABSOLUTE(.));
chainloader.o(.bss* COMMON)
. = ALIGN(32);
PROVIDE (__chainloader_end__ = ABSOLUTE(.));
} >low_iram :NONE
.nxboot_loadable :
{
. = ALIGN(32);
PROVIDE (__nxboot_start__ = ABSOLUTE(.));
PROVIDE (__nxboot_lma__ = LOADADDR(.nxboot_loadable));
KEEP(*(.nxboot.text.start))
nxboot_iram.o(.text*)
cluster.o(.text*)
car.o(.text*)
nxboot_iram.o(.rodata*)
cluster.o(.rodata*)
car.o(.rodata*)
nxboot_iram.o(.data*)
cluster.o(.data*)
car.o(.data*)
. = ALIGN(32);
} >high_iram AT>main :nxboot
.nxboot_bss (NOLOAD) :
{
. = ALIGN(32);
PROVIDE (__nxboot_bss_start__ = ABSOLUTE(.));
nxboot_iram.o(.bss* COMMON)
cluster.o(.bss* COMMON)
car.o(.bss* COMMON)
. = ALIGN(32);
PROVIDE (__nxboot_end__ = ABSOLUTE(.));
} >high_iram :NONE
.text :
{
. = ALIGN(32);
/* .text */
*(.text)
*(.text.*)
*(.glue_7)
*(.glue_7t)
*(.stub)
*(.gnu.warning)
*(.gnu.linkonce.t*)
/* .fini */
KEEP( *(.fini) )
. = ALIGN(8);
} >main :main
.rodata :
{
*(.rodata)
*(.roda)
*(.rodata.*)
*all.rodata*(*)
*(.gnu.linkonce.r*)
SORT(CONSTRUCTORS)
. = ALIGN(8);
} >main
.preinit_array :
{
PROVIDE (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE (__preinit_array_end = .);
} >main
.init_array ALIGN(4) :
{
PROVIDE (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE (__init_array_end = .);
} >main
.fini_array ALIGN(4) :
{
PROVIDE (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE (__fini_array_end = .);
} >main
.ctors ALIGN(4) :
{
KEEP (*crtbegin.o(.ctors)) /* MUST be first -- GCC requires it */
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >main
.dtors ALIGN(4) :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >main
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) __exidx_start = ABSOLUTE(.);} >main
ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) __exidx_end = ABSOLUTE(.);} >main
.data :
{
*(.data)
*(.data.*)
*(.gnu.linkonce.d*)
CONSTRUCTORS
. = ALIGN(32);
} >main
__data_end__ = ABSOLUTE(.);
PROVIDE (__total_size__ = (__data_end__ - __start__));
.bss (NOLOAD) :
{
. = ALIGN(32);
PROVIDE (__bss_start__ = ABSOLUTE(.));
*(.dynbss)
*(.bss)
*(.bss.*)
*(.gnu.linkonce.b*)
*(COMMON)
. = ALIGN(32);
PROVIDE (__bss_end__ = ABSOLUTE(.));
} >main :NONE
__end__ = ABSOLUTE(.) ;
/* ==================
==== Metadata ====
================== */
/* Discard sections that difficult post-processing */
/DISCARD/ : { *(.group .comment .note) }
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.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) }
/* =======================
==== Embedded Data ====
======================= */
PROVIDE(__ams_mitm_kip_start__ = ams_mitm_kip - __start__);
PROVIDE(__ams_mitm_kip_size__ = ams_mitm_kip_end - ams_mitm_kip);
PROVIDE(__boot_kip_start__ = boot_kip - __start__);
PROVIDE(__boot_kip_size__ = boot_kip_end - boot_kip);
PROVIDE(__exosphere_bin_start__ = exosphere_bin - __start__);
PROVIDE(__exosphere_bin_size__ = exosphere_bin_end - exosphere_bin);
PROVIDE(__fusee_primary_bin_start__ = fusee_primary_bin - __start__);
PROVIDE(__fusee_primary_bin_size__ = fusee_primary_bin_end - fusee_primary_bin);
PROVIDE(__loader_kip_start__ = loader_kip - __start__);
PROVIDE(__loader_kip_size__ = loader_kip_end - loader_kip);
PROVIDE(__warmboot_bin_start__ = warmboot_bin - __start__);
PROVIDE(__warmboot_bin_size__ = warmboot_bin_end - warmboot_bin);
PROVIDE(__ncm_kip_start__ = ncm_kip - __start__);
PROVIDE(__ncm_kip_size__ = ncm_kip_end - ncm_kip);
PROVIDE(__pm_kip_start__ = pm_kip - __start__);
PROVIDE(__pm_kip_size__ = pm_kip_end - pm_kip);
PROVIDE(__rebootstub_bin_start__ = rebootstub_bin - __start__);
PROVIDE(__rebootstub_bin_size__ = rebootstub_bin_end - rebootstub_bin);
PROVIDE(__sept_primary_bin_start__ = sept_primary_bin - __start__);
PROVIDE(__sept_primary_bin_size__ = sept_primary_bin_end - sept_primary_bin);
PROVIDE(__sept_secondary_00_enc_start__ = sept_secondary_00_enc - __start__);
PROVIDE(__sept_secondary_00_enc_size__ = sept_secondary_00_enc_end - sept_secondary_00_enc);
PROVIDE(__sept_secondary_01_enc_start__ = sept_secondary_01_enc - __start__);
PROVIDE(__sept_secondary_01_enc_size__ = sept_secondary_01_enc_end - sept_secondary_01_enc);
PROVIDE(__sm_kip_start__ = sm_kip - __start__);
PROVIDE(__sm_kip_size__ = sm_kip_end - sm_kip);
PROVIDE(__spl_kip_start__ = spl_kip - __start__);
PROVIDE(__spl_kip_size__ = spl_kip_end - spl_kip);
PROVIDE(__splash_screen_bin_start__ = splash_screen_bin - __start__);
PROVIDE(__splash_screen_bin_size__ = splash_screen_bin_end - splash_screen_bin);
PROVIDE(__thermosphere_bin_start__ = thermosphere_bin - __start__);
PROVIDE(__thermosphere_bin_size__ = thermosphere_bin_end - thermosphere_bin);
PROVIDE(__emummc_kip_start__ = emummc_kip - __start__);
PROVIDE(__emummc_kip_size__ = emummc_kip_end - emummc_kip);
PROVIDE(__kernel_ldr_bin_start__ = kernel_ldr_bin - __start__);
PROVIDE(__kernel_ldr_bin_size__ = kernel_ldr_bin_end - kernel_ldr_bin);
PROVIDE(__mesosphere_bin_start__ = mesosphere_bin - __start__);
PROVIDE(__mesosphere_bin_size__ = mesosphere_bin_end - mesosphere_bin);
PROVIDE(__mariko_fatal_bin_start__ = mariko_fatal_bin - __start__);
PROVIDE(__mariko_fatal_bin_size__ = mariko_fatal_bin_end - mariko_fatal_bin);
}
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