From fb05f6da35ea1c15c553abe6f23f656bf18dc5db Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 7 May 2007 23:58:31 +0200 Subject: new: USE_MSR_INTR support --- cpu/microblaze/irq.S | 14 ++++++++++++++ 1 file changed, 14 insertions(+) mode change 100644 => 100755 cpu/microblaze/irq.S (limited to 'cpu/microblaze/irq.S') diff --git a/cpu/microblaze/irq.S b/cpu/microblaze/irq.S old mode 100644 new mode 100755 index 393d6e8..e1fc190 --- a/cpu/microblaze/irq.S +++ b/cpu/microblaze/irq.S @@ -23,6 +23,7 @@ */ #include +#include .text .global _interrupt_handler _interrupt_handler: @@ -151,7 +152,20 @@ _interrupt_handler: addi r1, r1, 4 /* enable_interrupt */ +#ifdef XILINX_USE_MSR_INSTR msrset r0, 2 +#else + /* FIXME unstable in stressed mode - two irqs */ + nop + addi r1, r1, -4 + swi r12, r1, 0 + mfs r12, rmsr + ori r12, r12, 2 + mts rmsr, r12 + lwi r12, r1, 0 + addi r1, r1, 4 + nop +#endif bra r14 nop nop -- cgit v1.1