diff options
Diffstat (limited to 'pk/ppe/ppe_common.h')
| -rw-r--r-- | pk/ppe/ppe_common.h | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/pk/ppe/ppe_common.h b/pk/ppe/ppe_common.h index bc8519ea..c7df60bd 100644 --- a/pk/ppe/ppe_common.h +++ b/pk/ppe/ppe_common.h @@ -27,23 +27,12 @@ #define EXTERNAL_IRQS 64 #ifdef __ASSEMBLER__ -/// This macro contains PPE specific code for determining what IRQ caused the -/// external exception handler to be invoked by the PPE - -/// Load noncritical status 0 and the handler array base address. Check -/// for interrupts pending in status register 0 while the IRQ is -/// computed. The IRQ is expected to be stored in r3. +/// This macro contains PPE specific code. +/// Since standalone models of the PPE do not support external interrupts +/// we just set the code to 64 (phantom interrupt) .macro hwmacro_get_ext_irq -#_lwzi %r4, %r4, OCB_ONISR0 - cntlzw %r3, %r4 - cmpwible %r3, 31, external_irq_found #branch if irq is lt or eq to 31 - - ## No IRQ pending in interrupt set 0. Try set 1. - -#_lwzi %r4, %r4, OCB_ONISR1 - cntlzw %r3, %r4 - addi %r3, %r3, 32 + li %r4, 64 .endm |
