[proxmark3-svn] / common / ldscript.common

/*
-----------------------------------------------------------------------------
 This code is licensed to you under the terms of the GNU GPL, version 2 or,
 at your option, any later version. See the LICENSE.txt file for the text of
 the license.
-----------------------------------------------------------------------------
 Common linker script
-----------------------------------------------------------------------------
*/

/* AT91SAM7S256 has 256k Flash and 64k RAM */
MEMORY 
{
	/* Important note: this memory map has the correct origins for all the flash sections.
	   However, this will confuse the currently deployed flash code which expects logical and and not
	   physical addresses and performs no sanity checks at all. If confronted with physical addresses, 
	   it will happily erase everything and brick the device. So for the time being translate these addresses
	   down in the objcopy call while updating all the flash code with proper sanity checks, then come
	   back later and fix the addresses. -- Henryk Plötz <henryk@ploetzli.ch> 2009-08-27 */
        bootphase1 : ORIGIN = 0x00100000, LENGTH = 0x200 /* Phase 1 bootloader: Copies real bootloader to RAM */
        bootphase2 : ORIGIN = 0x00100200, LENGTH = 0x2000 - 0x200 /* Main bootloader code, stored in Flash, executed from RAM */
        fpgaimage  : ORIGIN = 0x00102000, LENGTH = 64k - 0x2000 /* Place where the FPGA image will end up */
        osimage    : ORIGIN = 0x00110000, LENGTH = 256K - 64k /* Place where the main OS will end up */
        ram        : ORIGIN = 0x00200000, LENGTH = 64K - 0x20 /* RAM, minus small common area */
        commonarea : ORIGIN = 0x00200000 + 64K - 0x20, LENGTH = 0x20 /* Communication between bootloader and main OS */
}

/* Export some information that can be used from within the firmware */
_bootphase1_version_pointer = ORIGIN(bootphase1) + LENGTH(bootphase1) - 0x4;
_osimage_entry = ORIGIN(osimage);
_bootrom_start = ORIGIN(bootphase1);
_bootrom_end = ORIGIN(bootphase2) + LENGTH(bootphase2);
_flash_start = ORIGIN(bootphase1);
_flash_end = ORIGIN(osimage) + LENGTH(osimage);
_stack_end = ORIGIN(ram) + LENGTH(ram) - 8;
Commit	Line	Data
bd20f8f4	1	/*
	2	-----------------------------------------------------------------------------
	3	This code is licensed to you under the terms of the GNU GPL, version 2 or,
	4	at your option, any later version. See the LICENSE.txt file for the text of
	5	the license.
	6	-----------------------------------------------------------------------------
	7	Common linker script
	8	-----------------------------------------------------------------------------
	9	*/
	10
2bfed17d	11	/* AT91SAM7S256 has 256k Flash and 64k RAM */
	12	MEMORY
	13	{
	14	/* Important note: this memory map has the correct origins for all the flash sections.
	15	However, this will confuse the currently deployed flash code which expects logical and and not
	16	physical addresses and performs no sanity checks at all. If confronted with physical addresses,
	17	it will happily erase everything and brick the device. So for the time being translate these addresses
	18	down in the objcopy call while updating all the flash code with proper sanity checks, then come
	19	back later and fix the addresses. -- Henryk Plötz <henryk@ploetzli.ch> 2009-08-27 */
	20	bootphase1 : ORIGIN = 0x00100000, LENGTH = 0x200 /* Phase 1 bootloader: Copies real bootloader to RAM */
	21	bootphase2 : ORIGIN = 0x00100200, LENGTH = 0x2000 - 0x200 /* Main bootloader code, stored in Flash, executed from RAM */
	22	fpgaimage : ORIGIN = 0x00102000, LENGTH = 64k - 0x2000 /* Place where the FPGA image will end up */
	23	osimage : ORIGIN = 0x00110000, LENGTH = 256K - 64k /* Place where the main OS will end up */
8fcbf652	24	ram : ORIGIN = 0x00200000, LENGTH = 64K - 0x20 /* RAM, minus small common area */
8fcbf652	25	commonarea : ORIGIN = 0x00200000 + 64K - 0x20, LENGTH = 0x20 /* Communication between bootloader and main OS */
2bfed17d	26	}
2bfed17d	27
4271e82d	28	/* Export some information that can be used from within the firmware */
4271e82d	29	_bootphase1_version_pointer = ORIGIN(bootphase1) + LENGTH(bootphase1) - 0x4;
e3ae0257	30	_osimage_entry = ORIGIN(osimage);
8fcbf652	31	_bootrom_start = ORIGIN(bootphase1);
8fcbf652	32	_bootrom_end = ORIGIN(bootphase2) + LENGTH(bootphase2);
4271e82d	33	_flash_start = ORIGIN(bootphase1);
e3ae0257	34	_flash_end = ORIGIN(osimage) + LENGTH(osimage);
e3ae0257	35	_stack_end = ORIGIN(ram) + LENGTH(ram) - 8;