diff mbox series

[for-5.1,V3,3/7] hw/mips: Add CPU IRQ3 delivery for KVM

Message ID 1588501221-1205-4-git-send-email-chenhc@lemote.com
State New
Headers show
Series mips: Add Loongson-3 machine support (with KVM) | expand

Commit Message

chen huacai May 3, 2020, 10:20 a.m. UTC 
Currently, KVM/MIPS only deliver I/O interrupt via IP2, this patch add
IP3 delivery as well, because Loongson-3 based machine use both IRQ2
(CPU's IP2) and IRQ3 (CPU's IP3).

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
 hw/mips/mips_int.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Aleksandar Markovic May 12, 2020, 12:57 p.m. UTC | #1 
нед, 3. мај 2020. у 12:24 Huacai Chen <zltjiangshi@gmail.com> је написао/ла:
>
> Currently, KVM/MIPS only deliver I/O interrupt via IP2, this patch add
> IP3 delivery as well, because Loongson-3 based machine use both IRQ2
> (CPU's IP2) and IRQ3 (CPU's IP3).
>
> Signed-off-by: Huacai Chen <chenhc@lemote.com>
> Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> ---

Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>

>  hw/mips/mips_int.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/hw/mips/mips_int.c b/hw/mips/mips_int.c
> index 796730b..982ce34 100644
> --- a/hw/mips/mips_int.c
> +++ b/hw/mips/mips_int.c
> @@ -48,14 +48,14 @@ static void cpu_mips_irq_request(void *opaque, int irq, int level)
>      if (level) {
>          env->CP0_Cause |= 1 << (irq + CP0Ca_IP);
>
> -        if (kvm_enabled() && irq == 2) {
> +        if (kvm_enabled() && (irq == 2 || irq == 3)) {
>              kvm_mips_set_interrupt(cpu, irq, level);
>          }
>
>      } else {
>          env->CP0_Cause &= ~(1 << (irq + CP0Ca_IP));
>
> -        if (kvm_enabled() && irq == 2) {
> +        if (kvm_enabled() && (irq == 2 || irq == 3)) {
>              kvm_mips_set_interrupt(cpu, irq, level);
>          }
>      }
> --
> 2.7.0
>
diff mbox series

Patch

diff --git a/hw/mips/mips_int.c b/hw/mips/mips_int.c
index 796730b..982ce34 100644
--- a/hw/mips/mips_int.c
+++ b/hw/mips/mips_int.c
@@ -48,14 +48,14 @@  static void cpu_mips_irq_request(void *opaque, int irq, int level)
     if (level) {
         env->CP0_Cause |= 1 << (irq + CP0Ca_IP);
 
-        if (kvm_enabled() && irq == 2) {
+        if (kvm_enabled() && (irq == 2 || irq == 3)) {
             kvm_mips_set_interrupt(cpu, irq, level);
         }
 
     } else {
         env->CP0_Cause &= ~(1 << (irq + CP0Ca_IP));
 
-        if (kvm_enabled() && irq == 2) {
+        if (kvm_enabled() && (irq == 2 || irq == 3)) {
             kvm_mips_set_interrupt(cpu, irq, level);
         }
     }