Before this commit, the stack addresses for IRQ and FIQ modes, IRQ_STACK_START and FIQ_STACK_START, were computed in interrupt_init but they were not used.
This commit sets the stack pointers for IRQ and FIQ modes. Signed-off-by: Georges Savoundararadj <savou...@gmail.com> Cc: Albert Aribaud <albert.u.b...@aribaud.net> --- Changes in v3: - None Changes in v2: - Reword the commit message arch/arm/lib/interrupts.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm/lib/interrupts.c b/arch/arm/lib/interrupts.c index f6b7c03..49c1bf3 100644 --- a/arch/arm/lib/interrupts.c +++ b/arch/arm/lib/interrupts.c @@ -34,6 +34,25 @@ int interrupt_init (void) IRQ_STACK_START_IN = gd->irq_sp + 8; FIQ_STACK_START = IRQ_STACK_START - CONFIG_STACKSIZE_IRQ; + __asm__ __volatile__("msr cpsr_c, %0\n" + "mov sp, %1\n" + : + : "r" (IRQ_MODE | I_BIT | F_BIT), + "r" (IRQ_STACK_START) + : "memory"); + + __asm__ __volatile__("msr cpsr_c, %0\n" + "mov sp, %1\n" + : + : "r" (FIQ_MODE | I_BIT | F_BIT), + "r" (FIQ_STACK_START) + : "memory"); + + __asm__ __volatile__("msr cpsr_c, %0" + : + : "r" (SVC_MODE | I_BIT | F_BIT) + : "memory"); + return arch_interrupt_init(); } -- 2.1.2 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot