diff options
| author | Artyom Tarasenko <atar4qemu@gmail.com> | 2011-07-25 19:22:38 +0200 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-08-28 11:38:13 +0000 |
| commit | 9f94778c1603420e48d779a495e84eb82945cc75 (patch) | |
| tree | 735f2ae72f858c7a223b5c34c95578817eb25532 /hw | |
| parent | 010f3f5fbd5f8edc1a584b5388f8ea2ad518a439 (diff) | |
Fix disabling interrupts in sun4u
clear interrupt request if the interrupt priority < CPU pil
clear hardware interrupt request if interrupts are disabled
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
[blauwirbel@gmail.com: added a comment about magic 2]
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/sun4u.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/sun4u.c b/hw/sun4u.c index 1b60e4ef59..32e6ab9beb 100644 --- a/hw/sun4u.c +++ b/hw/sun4u.c @@ -261,7 +261,9 @@ void cpu_check_irqs(CPUState *env) pil |= 1 << 14; } - if (!pil) { + /* The bit corresponding to psrpil is (1<< psrpil), the next bit + is (2 << psrpil). */ + if (pil < (2 << env->psrpil)){ if (env->interrupt_request & CPU_INTERRUPT_HARD) { CPUIRQ_DPRINTF("Reset CPU IRQ (current interrupt %x)\n", env->interrupt_index); @@ -293,10 +295,12 @@ void cpu_check_irqs(CPUState *env) break; } } - } else { + } else if (env->interrupt_request & CPU_INTERRUPT_HARD) { CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x " "current interrupt %x\n", pil, env->pil_in, env->softint, env->interrupt_index); + env->interrupt_index = 0; + cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); } } |