On 8 June 2017 at 02:16, Lothar Waßmann LW@karo-electronics.de wrote:
Create exception stack in IRAM if available to facilitate debugging of pre-relocation code by catching exceptions rather than stopping dead.
Signed-off-by: Lothar Waßmann LW@KARO-electronics.de
arch/arm/lib/vectors.S | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
Reviewed-by: Simon Glass sjg@chromium.org
But please see below.
diff --git a/arch/arm/lib/vectors.S b/arch/arm/lib/vectors.S index f53b1e9..1019091 100644 --- a/arch/arm/lib/vectors.S +++ b/arch/arm/lib/vectors.S @@ -117,7 +117,6 @@ data_abort: not_used: irq: fiq:
What is this?
1: bl 1b /* hang and never return */
@@ -126,7 +125,11 @@ fiq: /* IRQ stack memory (calculated at run-time) + 8 bytes */ .globl IRQ_STACK_START_IN IRQ_STACK_START_IN: +#ifdef IRAM_BASE_ADDR
.word IRAM_BASE_ADDR + 0x20+#else .word 0x0badc0de +#endif
@ @ IRQ stack frame. -- 2.1.4