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/*
* Memory map:
*
* CONFIG_RAMBASE : text segment
* : rodata segment
* : data segment
* : bss segment
* : stack
* : heap
*/
/*
* Bootstrap code for the STPC Consumer
* Copyright (c) 1999 by Net Insight AB. All Rights Reserved.
*/
/*
* Written by Johan Rydberg, based on work by Daniel Kahlin.
* Rewritten by Eric Biederman
* 2005.12 yhlu add ramstage cross the vga font buffer handling
*/
/* We use ELF as output format. So that we can debug the code in some form. */
/*
INCLUDE ldoptions
*/
/* We use ELF as output format. So that we can debug the code in some form. */
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(stage_entry)
PHDRS
{
to_load PT_LOAD;
}
SECTIONS
{
/* TODO make this a configurable option (per chipset). */
. = CONFIG_ROMSTAGE_BASE;
.romtext . : {
_rom = .;
_start = .;
*(.text.stage_entry.armv7);
*(.text.startup);
*(.text);
} : to_load
.romdata . : {
*(.rodata);
*(.machine_param);
*(.data);
. = ALIGN(16);
_car_migrate_start = .;
*(.car.migrate);
_car_migrate_end = .;
. = ALIGN(16);
_erom = .;
}
/* bss does not contain data, it is just a space that should be zero
* initialized on startup. (typically uninitialized global variables)
* crt0.S fills between _bss and _ebss with zeroes.
*/
.bss . : {
. = ALIGN(8);
_bss = .;
*(.bss)
*(.sbss)
*(COMMON)
}
_ebss = .;
.car.data . : {
. = ALIGN(8);
_car_data_start = .;
*(.car.global_data);
. = ALIGN(8);
/* The cbmem_console section comes last to take advantage of
* a zero-sized array to hold the memconsole contents that
* grows to a bound of CONFIG_CONSOLE_CAR_BUFFER_SIZE. However,
* collisions within the cache-as-ram region cannot be
* statically checked because the cache-as-ram region usage is
* cpu/chipset dependent. */
*(.car.cbmem_console);
_car_data_end = .;
}
_end = .;
/* TODO: check if we are running out of SRAM. Below check is not good
* enough though because SRAM has different size on different CPUs
* and not all SRAM is available to the romstage. On Exynos, some is
* used for BL1, the bootblock and the stack.
*
* _bogus = ASSERT((_end - _start + EXPECTED_CBMEM_CONSOLE_SIZE <= \
* 0x54000), "SRAM area is too full");
*/
/* Discard the sections we don't need/want */
/DISCARD/ : {
*(.comment)
*(.note)
*(.comment.*)
*(.note.*)
*(.eh_frame);
}
}
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