This avoids the irq entry assembly corrupting r5, thereby allowing it
to be preserved through to the svc exit code.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Interrupt handling. Preserves r7, r8, r9
*/
.macro arch_irq_handler_default
* Interrupt handling. Preserves r7, r8, r9
*/
.macro arch_irq_handler_default
- get_irqnr_preamble r5, lr
-1: get_irqnr_and_base r0, r6, r5, lr
+ get_irqnr_preamble r6, lr
+1: get_irqnr_and_base r0, r2, r6, lr
movne r1, sp
@
@ routine called with r0 = irq number, r1 = struct pt_regs *
movne r1, sp
@
@ routine called with r0 = irq number, r1 = struct pt_regs *
- * this macro assumes that irqstat (r6) and base (r5) are
+ * this macro assumes that irqstat (r2) and base (r6) are
* preserved from get_irqnr_and_base above
*/
* preserved from get_irqnr_and_base above
*/
- ALT_SMP(test_for_ipi r0, r6, r5, lr)
+ ALT_SMP(test_for_ipi r0, r2, r6, lr)
ALT_UP_B(9997f)
movne r1, sp
adrne lr, BSYM(1b)
bne do_IPI
#ifdef CONFIG_LOCAL_TIMERS
ALT_UP_B(9997f)
movne r1, sp
adrne lr, BSYM(1b)
bne do_IPI
#ifdef CONFIG_LOCAL_TIMERS
- test_for_ltirq r0, r6, r5, lr
+ test_for_ltirq r0, r2, r6, lr
movne r0, sp
adrne lr, BSYM(1b)
bne do_local_timer
movne r0, sp
adrne lr, BSYM(1b)
bne do_local_timer
.align 5
.global \symbol_name
\symbol_name:
.align 5
.global \symbol_name
\symbol_name:
#include <asm/entry-macro-multi.S>
/*
#include <asm/entry-macro-multi.S>
/*
- * Interrupt handling. Preserves r7, r8, r9
*/
.macro irq_handler
#ifdef CONFIG_MULTI_IRQ_HANDLER
*/
.macro irq_handler
#ifdef CONFIG_MULTI_IRQ_HANDLER
- ldr r5, =handle_arch_irq
+ ldr r1, =handle_arch_irq
- teq r5, #0
- movne pc, r5
+ teq r1, #0
+ movne pc, r1
#endif
arch_irq_handler_default
9997:
#endif
arch_irq_handler_default
9997: