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[Qemu-devel] [PATCH 3/3] Fix interrupt masking


From: Ralf Baechle
Subject: [Qemu-devel] [PATCH 3/3] Fix interrupt masking
Date: Mon, 15 Aug 2005 09:58:42 +0100
User-agent: Mutt/1.4.2.1i

Only take interrupts that are actually enabled in the CPU's interrupt mask
in c0_status.

 cpu-exec.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

Index: qemu-mips/cpu-exec.c
===================================================================
--- qemu-mips.orig/cpu-exec.c
+++ qemu-mips/cpu-exec.c
@@ -307,7 +307,7 @@ int cpu_exec(CPUState *env1)
 #elif defined(TARGET_MIPS)
                     if ((interrupt_request & CPU_INTERRUPT_HARD) &&
                         (env->CP0_Status & (1 << CP0St_IE)) &&
-                        (env->CP0_Cause & 0x0000FF00) &&
+                        (env->CP0_Status & env->CP0_Cause & 0x0000FF00) &&
                         !(env->hflags & MIPS_HFLAG_EXL) &&
                         !(env->hflags & MIPS_HFLAG_ERL) &&
                         !(env->hflags & MIPS_HFLAG_DM)) {




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