Hello, (06/26/2012 12:10 AM), Stephen Warren wrote: > On 06/25/2012 06:40 AM, Tetsuyuki Kobayashi wrote: >> Interrupts and exceptions doesn't work in relocated code. >> It badly use IRQ_STACK_START_IN in rom area as interrupt stack. >> It is because the vecotr table is not moved to ram area. >> This patch moves vector table before jumping relocated code. >> >> Signed-off-by: Tetsuyuki Kobayashi <k...@kmckk.co.jp> > > CC'ing in some Tegra people. > > Tetsuyuki, you probably want to CC some OMAP people too.
Thank you. I don't know proper person to CC because I am very new in this ML. I need some help .. '#if condition' in my patch is the same as the code setting VBAR right after reset. (in file arch/arm/cpu/armv7/start.S) > >> --- >> arch/arm/cpu/armv7/start.S | 12 ++++++++++++ >> 1 file changed, 12 insertions(+) >> >> diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S >> index 52f7f6e..5098f7b 100644 >> --- a/arch/arm/cpu/armv7/start.S >> +++ b/arch/arm/cpu/armv7/start.S >> @@ -277,6 +277,18 @@ jump_2_ram: >> mcr p15, 0, r0, c7, c10, 4 @ DSB >> mcr p15, 0, r0, c7, c5, 4 @ ISB >> #endif >> +/* >> + * Move vector table >> + */ >> +#if !defined(CONFIG_TEGRA2) >> +#if !(defined(CONFIG_OMAP44XX) && defined(CONFIG_SPL_BUILD)) >> + /* Set vector address in CP15 VBAR register */ >> + ldr r0, =_start >> + add r0, r0, r9 >> + mcr p15, 0, r0, c12, c0, 0 @Set VBAR >> +#endif >> +#endif /* !Tegra2 */ >> + >> ldr r0, _board_init_r_ofs >> adr r1, _start >> add lr, r0, r1 > > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
