Merge remote-tracking branch 'remotes/agraf/tags/signed-ppc-for-upstream' into staging

Patch queue for ppc - 2014-06-16

This pull request brings a lot of fun things. Among others we have

  - e500: u-boot firmware support
  - sPAPR: magic page enablement
  - sPAPR: add "compat" CPU option to support older guests
  - sPAPR: refactorings in preparation for VFIO
  - POWER8 live migration
  - mac99: expose bus frequency
  - little endian core dump, gdb and disas support
  - new ppc64le-linux-user target
  - DFP emulation
  - bug fixes

# gpg: Signature made Mon 16 Jun 2014 12:28:32 BST using RSA key ID 03FEDC60
# gpg: Can't check signature: public key not found

* remotes/agraf/tags/signed-ppc-for-upstream: (156 commits)
  spapr_pci: Advertise MSI quota
  PPC: KVM: Make pv hcall endian agnostic
  powerpc: use float64 for frsqrte
  spapr: Add kvm-type property
  spapr: Create SPAPRMachine struct
  linux-user: Tell guest about big host page sizes
  spapr_hcall: Add address-translation-mode-on-interrupt resource in H_SET_MODE
  spapr_hcall: Split h_set_mode()
  target-ppc: Enable DABRX SPR and limit it to <=POWER7
  target-ppc: Enable PPR and VRSAVE SPRs migration
  target-ppc: Add POWER8's Event Based Branch (EBB) control SPRs
  KVM: target-ppc: Enable TM state migration
  target-ppc: Add POWER8's TM SPRs
  target-ppc: Add POWER8's MMCR2/MMCRS SPRs
  target-ppc: Enable FSCR facility check for TAR
  target-ppc: Add POWER8's FSCR SPR
  target-ppc: Add POWER8's TIR SPR
  target-ppc: Refactor class init for POWER7/8
  target-ppc: Switch POWER7/8 classes to use correct PMU SPRs
  target-ppc: Make use of gen_spr_power5p_lpar() for POWER7/8
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 10 insertions, 5 deletions

diff --git a/hw/intc/openpic_kvm.c b/hw/intc/openpic_kvm.c
index 585ab4ff20..e3bce043a3 100644
--- a/hw/intc/openpic_kvm.c
+++ b/hw/intc/openpic_kvm.c
@@ -31,6 +31,8 @@
 #include "sysemu/kvm.h"
 #include "qemu/log.h"
 
+#define GCR_RESET        0x80000000
+
 #define KVM_OPENPIC(obj) \
     OBJECT_CHECK(KVMOpenPICState, (obj), TYPE_KVM_OPENPIC)
 
@@ -50,11 +52,6 @@ static void kvm_openpic_set_irq(void *opaque, int n_IRQ, int level)
     kvm_set_irq(kvm_state, n_IRQ, level);
 }
 
-static void kvm_openpic_reset(DeviceState *d)
-{
-    qemu_log_mask(LOG_UNIMP, "%s: unimplemented\n", __func__);
-}
-
 static void kvm_openpic_write(void *opaque, hwaddr addr, uint64_t val,
                               unsigned size)
 {
@@ -74,6 +71,14 @@ static void kvm_openpic_write(void *opaque, hwaddr addr, uint64_t val,
     }
 }
 
+static void kvm_openpic_reset(DeviceState *d)
+{
+    KVMOpenPICState *opp = KVM_OPENPIC(d);
+
+    /* Trigger the GCR.RESET bit to reset the PIC */
+    kvm_openpic_write(opp, 0x1020, GCR_RESET, sizeof(uint32_t));
+}
+
 static uint64_t kvm_openpic_read(void *opaque, hwaddr addr, unsigned size)
 {
     KVMOpenPICState *opp = opaque;