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[Qemu-devel] [PATCH v3 7/9] hw/mips: In KVM mode, inject IRQ2 (I/O) inte
From: |
James Hogan |
Subject: |
[Qemu-devel] [PATCH v3 7/9] hw/mips: In KVM mode, inject IRQ2 (I/O) interupts via ioctls |
Date: |
Thu, 6 Mar 2014 17:09:36 +0000 |
From: Sanjay Lal <address@hidden>
COP0 emulation is in-kernel for KVM, so inject IRQ2 (I/O) interrupts via
ioctls.
Signed-off-by: Sanjay Lal <address@hidden>
Signed-off-by: James Hogan <address@hidden>
Reviewed-by: Aurelien Jarno <address@hidden>
Cc: Andreas Färber <address@hidden>
---
Changes in v3:
- Pass MIPSCPU to kvm_mips_set_[ipi_]interrupt (Andreas Färber).
Changes in v2:
- Expand commit message
- Remove #ifdef CONFIG_KVM since it's guarded by kvm_enabled() already
---
hw/mips/mips_int.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/hw/mips/mips_int.c b/hw/mips/mips_int.c
index 7dbd24d..d740046 100644
--- a/hw/mips/mips_int.c
+++ b/hw/mips/mips_int.c
@@ -23,6 +23,8 @@
#include "hw/hw.h"
#include "hw/mips/cpudevs.h"
#include "cpu.h"
+#include "sysemu/kvm.h"
+#include "kvm_mips.h"
static void cpu_mips_irq_request(void *opaque, int irq, int level)
{
@@ -35,8 +37,17 @@ 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) {
+ kvm_mips_set_interrupt(cpu, irq, level);
+ }
+
} else {
env->CP0_Cause &= ~(1 << (irq + CP0Ca_IP));
+
+ if (kvm_enabled() && irq == 2) {
+ kvm_mips_set_interrupt(cpu, irq, level);
+ }
}
if (env->CP0_Cause & CP0Ca_IP_mask) {
--
1.8.1.2
- [Qemu-devel] [PATCH v3 0/9] KVM Support for MIPS32 Processors, James Hogan, 2014/03/06
- [Qemu-devel] [PATCH v3 1/9] hw/mips/cputimer: Don't start periodic timer in KVM mode, James Hogan, 2014/03/06
- [Qemu-devel] [PATCH v3 5/9] kvm: Allow arch to set sigmask length, James Hogan, 2014/03/06
- [Qemu-devel] [PATCH v3 7/9] hw/mips: In KVM mode, inject IRQ2 (I/O) interupts via ioctls,
James Hogan <=
- [Qemu-devel] [PATCH v3 2/9] hw/mips: Add API to convert KVM guest KSEG0 <-> GPA, James Hogan, 2014/03/06
- [Qemu-devel] [PATCH v3 3/9] target-mips: get_physical_address: Add defines for segment bases, James Hogan, 2014/03/06
- [Qemu-devel] [PATCH v3 6/9] target-mips: kvm: Add main KVM support for MIPS, James Hogan, 2014/03/06
- [Qemu-devel] [PATCH v3 9/9] target-mips: Enable KVM support in build system, James Hogan, 2014/03/06