diff options
| author | Lothar Waßmann | 2017-06-08 10:16:36 +0200 |
|---|---|---|
| committer | Tom Rini | 2017-06-12 08:38:40 -0400 |
| commit | 69c5d76f2fd8bf645cde9f0a8225daba25d65e01 (patch) | |
| tree | cc2361543b8500f905458cb1e536eb62935cf9ae /arch | |
| parent | c88823612d6ff69a64a86456eb56a9576911466b (diff) | |
ARM: provide a valid exception stack address for startup code
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/lib/vectors.S | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/lib/vectors.S b/arch/arm/lib/vectors.S index f53b1e9a2bc..101909103e4 100644 --- a/arch/arm/lib/vectors.S +++ b/arch/arm/lib/vectors.S @@ -117,7 +117,6 @@ data_abort: not_used: irq: fiq: - 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. |