On Wed, Dec 10, 2008 at 09:05:00AM +0900, Kyungmin Park wrote: > >> diff --git a/cpu/arm1136/start.S b/cpu/arm1136/start.S > >> index e622338..132cc4a 100644 > >> --- a/cpu/arm1136/start.S > >> +++ b/cpu/arm1136/start.S > >> @@ -33,23 +33,7 @@ > >> .globl _start > >> _start: b reset > >> #ifdef CONFIG_ONENAND_IPL > >> - ldr pc, _hang > >> - ldr pc, _hang > >> - ldr pc, _hang > >> - ldr pc, _hang > >> - ldr pc, _hang > >> - ldr pc, _hang > >> - ldr pc, _hang > >> - > >> -_hang: > >> - .word do_hang > >> - .word 0x12345678 > >> - .word 0x12345678 > >> - .word 0x12345678 > >> - .word 0x12345678 > >> - .word 0x12345678 > >> - .word 0x12345678 > >> - .word 0x12345678 /* now 16*4=64 */ > >> + . = _start + 64 /* now 16*4=64 */ > >> #else > > > > Can you do a branch-to-self here that will accomplish the same thing, > > without needing do_hang later? > > So I don't understand the meaning. In general in restricted > environment, 1KiB bootloader. > There's no room to handle exception.
I don't mean to handle the exception, just to hang if one happens rather than going through the init code again. I don't see how 64 bytes full of branch-to-self instructions is going to take up any more space than 64 bytes of nothing. > > Is there anything that's going to use this? If not, just remove the > > code. > > I just wonder if there are some user to use. If not no problem to remove. If nothing's using it, please remove it. -Scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
