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irq: init IRQ_STACK_START_IN 

IRQ_STACK_START_IN is default 0x0badc0de which is a invalid address,
this patch makes all exceptions routine work normally.

Change-Id: I3f4d75b90d840f7ea1cb7a2e1cbc7ad452aef15b
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
This commit is contained in:
Joseph Chen 2019-01-30 14:35:28 +08:00 committed by Kever Yang
parent 9e9e0e07b5
commit c15709b516
1 changed files with 1 additions and 0 deletions
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drivers/irq/irq-generic.c
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@ -293,6 +293,7 @@ int arch_interrupt_init(void)
/* stack has been reserved in: arch_reserve_stacks() */
IRQ_STACK_START = gd->irq_sp;
IRQ_STACK_START_IN = gd->irq_sp;
__asm__ __volatile__("mrs %0, cpsr\n"
: "=r" (cpsr)