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authorPaolo Bonzini <pbonzini@redhat.com>2013-02-05 12:03:15 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-03-01 15:01:19 +0100
commit530182169e897c0e401b245552a4c58dc6846912 (patch)
tree8c39251d7e89855a89d925359f71639400782cd6 /hw/arm/pic_cpu.c
parente4c8b28cde12d01ada8fe869567dc5717a2dfcb7 (diff)
downloadhqemu-530182169e897c0e401b245552a4c58dc6846912.zip
hqemu-530182169e897c0e401b245552a4c58dc6846912.tar.gz
hw: move boards and other isolated files to hw/ARCH
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/arm/pic_cpu.c')
-rw-r--r--hw/arm/pic_cpu.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/hw/arm/pic_cpu.c b/hw/arm/pic_cpu.c
new file mode 100644
index 0000000..a7ad893
--- /dev/null
+++ b/hw/arm/pic_cpu.c
@@ -0,0 +1,40 @@
+/*
+ * Generic ARM Programmable Interrupt Controller support.
+ *
+ * Copyright (c) 2006 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licensed under the LGPL
+ */
+
+#include "hw/hw.h"
+#include "hw/arm-misc.h"
+
+/* Input 0 is IRQ and input 1 is FIQ. */
+static void arm_pic_cpu_handler(void *opaque, int irq, int level)
+{
+ ARMCPU *cpu = opaque;
+ CPUARMState *env = &cpu->env;
+
+ switch (irq) {
+ case ARM_PIC_CPU_IRQ:
+ if (level)
+ cpu_interrupt(env, CPU_INTERRUPT_HARD);
+ else
+ cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
+ break;
+ case ARM_PIC_CPU_FIQ:
+ if (level)
+ cpu_interrupt(env, CPU_INTERRUPT_FIQ);
+ else
+ cpu_reset_interrupt(env, CPU_INTERRUPT_FIQ);
+ break;
+ default:
+ hw_error("arm_pic_cpu_handler: Bad interrupt line %d\n", irq);
+ }
+}
+
+qemu_irq *arm_pic_init_cpu(ARMCPU *cpu)
+{
+ return qemu_allocate_irqs(arm_pic_cpu_handler, cpu, 2);
+}
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