haraldwolff/qemu-patch-raspberry4
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Merge remote-tracking branch 'jliu/or32' into staging

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# By Jia Liu
# Via Jia Liu
* jliu/or32:
  hw/openrisc: Avoid undefined shift in openrisc_pic_cpu_handler()
  hw/openrisc: Fix masking in openrisc_pic_cpu_handler()
  hw/openrisc: Avoid using uninitialised variable 'entry'

Message-id: 1377050811-11116-1-git-send-email-proljc@gmail.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
This commit is contained in:
Anthony Liguori 2013-08-22 09:29:13 -05:00
parent ecfe10c9a6 7717f248ee
commit 9fe480695a
2 changed files with 9 additions and 11 deletions
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3
hw/openrisc/openrisc_sim.c
View file

@ -86,9 +86,8 @@ static void cpu_openrisc_load_kernel(ram_addr_t ram_size,
kernel_filename);
exit(1);
}
cpu->env.pc = entry;
}
cpu->env.pc = entry;
}
static void openrisc_sim_init(QEMUMachineInitArgs *args)

17
hw/openrisc/pic_cpu.c
View file

@ -26,26 +26,25 @@ static void openrisc_pic_cpu_handler(void *opaque, int irq, int level)
{
OpenRISCCPU *cpu = (OpenRISCCPU *)opaque;
CPUState *cs = CPU(cpu);
int i;
uint32_t irq_bit = 1 << irq;
uint32_t irq_bit;
if (irq > 31 || irq < 0) {
return;
}
irq_bit = 1U << irq;
if (level) {
cpu->env.picsr |= irq_bit;
} else {
cpu->env.picsr &= ~irq_bit;
}
for (i = 0; i < 32; i++) {
if ((cpu->env.picsr && (1 << i)) && (cpu->env.picmr && (1 << i))) {
cpu_interrupt(cs, CPU_INTERRUPT_HARD);
} else {
cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
cpu->env.picsr &= ~(1 << i);
}
if (cpu->env.picsr & cpu->env.picmr) {
cpu_interrupt(cs, CPU_INTERRUPT_HARD);
} else {
cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
cpu->env.picsr = 0;
}
}