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Re: [Qemu-devel] [PATCH 3/6] cris: Add interrupt signals to the CPU devi
From: |
Peter Crosthwaite |
Subject: |
Re: [Qemu-devel] [PATCH 3/6] cris: Add interrupt signals to the CPU device |
Date: |
Mon, 3 Feb 2014 09:54:09 +1000 |
On Sun, Feb 2, 2014 at 1:04 PM, <address@hidden> wrote:
> From: "Edgar E. Iglesias" <address@hidden>
>
> Signed-off-by: Edgar E. Iglesias <address@hidden>
Reviewed-by: Peter Crosthwaite <address@hidden>
> ---
> target-cris/cpu.c | 20 ++++++++++++++++++++
> target-cris/cpu.h | 4 ++++
> 2 files changed, 24 insertions(+)
>
> diff --git a/target-cris/cpu.c b/target-cris/cpu.c
> index 21f1860..7dea0f0 100644
> --- a/target-cris/cpu.c
> +++ b/target-cris/cpu.c
> @@ -146,6 +146,21 @@ 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);
> @@ -159,6 +174,11 @@ 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) {
> diff --git a/target-cris/cpu.h b/target-cris/cpu.h
> index 4b9fc4c..1d7d80d 100644
> --- a/target-cris/cpu.h
> +++ b/target-cris/cpu.h
> @@ -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
> --
> 1.8.3.2
>
>
- [Qemu-devel] [PATCH 0/6] CRIS queue, edgar . iglesias, 2014/02/01
- [Qemu-devel] [PATCH 1/6] cris: Add a CRISv32 default "any" CPU for user mode emulation, edgar . iglesias, 2014/02/01
- [Qemu-devel] [PATCH 2/6] cris: Abort when a v10 takes interrupts while in a delayslot, edgar . iglesias, 2014/02/01
- [Qemu-devel] [PATCH 3/6] cris: Add interrupt signals to the CPU device, edgar . iglesias, 2014/02/01
- Re: [Qemu-devel] [PATCH 3/6] cris: Add interrupt signals to the CPU device,
Peter Crosthwaite <=
- [Qemu-devel] [PATCH 4/6] axis-dev88: Connect the PIC upstream IRQs directly to the CPU, edgar . iglesias, 2014/02/01
- [Qemu-devel] [PATCH 6/6] linux-user: Fix trampoline code for CRIS, edgar . iglesias, 2014/02/01
- [Qemu-devel] [PATCH 5/6] cris: Remove the CRIS PIC glue, edgar . iglesias, 2014/02/01