u-boot-brain/arch/blackfin/cpu/init.S

#include <asm/blackfin.h>
ENTRY(_start)
	sp.l = LO(L1_SRAM_SCRATCH_END - 20);
	sp.h = HI(L1_SRAM_SCRATCH_END - 20);
	call _initcode;
1:
	emuexcpt;
	jump 1b;
END(_start)
Blackfin: add init.elf helper code This creates a standalone ELF that executes just the Blackfin initcode. This is useful for people who want to program the low level aspects of the CPU (memory/clocks/etc...) and can easily be used with JTAG for quick booting while developing. Signed-off-by: Mike Frysinger <vapier@gentoo.org> 2011-05-08 06:55:04 +09:00			`#include <asm/blackfin.h>`
			`ENTRY(_start)`
			`sp.l = LO(L1_SRAM_SCRATCH_END - 20);`
			`sp.h = HI(L1_SRAM_SCRATCH_END - 20);`
			`call _initcode;`
			`1:`
			`emuexcpt;`
			`jump 1b;`
			`END(_start)`