Patchwork [09/31] PPC: Reset qemu timers when guest reset

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Submitter Alexander Graf
Date Jan. 7, 2013, 3:38 p.m.
Message ID <1357573140-8877-10-git-send-email-agraf@suse.de>
Download mbox | patch
Permalink /patch/209977/
State New
Headers show

Comments

Alexander Graf - Jan. 7, 2013, 3:38 p.m.
From: Bharat Bhushan <r65777@freescale.com>

This patch install the timer reset handler. This will be called when
the guest is reset.

Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
[agraf: adjust for QOM'ification]
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 hw/ppc_booke.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

Patch

diff --git a/hw/ppc_booke.c b/hw/ppc_booke.c
index 4483b8d..25a4e91 100644
--- a/hw/ppc_booke.c
+++ b/hw/ppc_booke.c
@@ -237,6 +237,17 @@  void store_booke_tcr(CPUPPCState *env, target_ulong val)
 
 }
 
+static void ppc_booke_timer_reset_handle(void *opaque)
+{
+    PowerPCCPU *cpu = opaque;
+    CPUPPCState *env = &cpu->env;
+
+    env->spr[SPR_BOOKE_TSR] = 0;
+    env->spr[SPR_BOOKE_TCR] = 0;
+
+    booke_update_irq(cpu);
+}
+
 void ppc_booke_timers_init(PowerPCCPU *cpu, uint32_t freq, uint32_t flags)
 {
     ppc_tb_t *tb_env;
@@ -257,4 +268,6 @@  void ppc_booke_timers_init(PowerPCCPU *cpu, uint32_t freq, uint32_t flags)
         qemu_new_timer_ns(vm_clock, &booke_fit_cb, cpu);
     booke_timer->wdt_timer =
         qemu_new_timer_ns(vm_clock, &booke_wdt_cb, cpu);
+
+    qemu_register_reset(ppc_booke_timer_reset_handle, cpu);
 }