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cris: Add interrupt signals to the CPU device 

Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
This commit is contained in:
Edgar E. Iglesias 2014-01-21 22:44:23 +10:00
parent d66433ffdc
commit 3065839c72
2 changed files with 24 additions and 0 deletions
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20
target-cris/cpu.c
View File

@ -152,6 +152,21 @@ static void cris_cpu_realizefn(DeviceState *dev, Error **errp)
ccc->parent_realize(dev, errp);
}
#ifndef CONFIG_USER_ONLY
static void cris_cpu_set_irq(void *opaque, int irq, int level)
{
CRISCPU *cpu = opaque;
CPUState *cs = CPU(cpu);
int type = irq == CRIS_CPU_IRQ ? CPU_INTERRUPT_HARD : CPU_INTERRUPT_NMI;
if (level) {
cpu_interrupt(cs, type);
} else {
cpu_reset_interrupt(cs, type);
}
}
#endif
static void cris_cpu_initfn(Object *obj)
{
CPUState *cs = CPU(obj);
@ -165,6 +180,11 @@ static void cris_cpu_initfn(Object *obj)
env->pregs[PR_VR] = ccc->vr;
#ifndef CONFIG_USER_ONLY
/* IRQ and NMI lines. */
qdev_init_gpio_in(DEVICE(cpu), cris_cpu_set_irq, 2);
#endif
if (tcg_enabled() && !tcg_initialized) {
tcg_initialized = true;
if (env->pregs[PR_VR] < 32) {

4
target-cris/cpu.h
View File

@ -42,6 +42,10 @@
/* CRIS-specific interrupt pending bits. */
#define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3
/* CRUS CPU device objects interrupt lines. */
#define CRIS_CPU_IRQ 0
#define CRIS_CPU_NMI 1
/* Register aliases. R0 - R15 */
#define R_FP 8
#define R_SP 14