From 19f8e5dd2bf6f4093988b13c424a7ba35f39071d Mon Sep 17 00:00:00 2001
From: blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Mon, 17 Dec 2007 18:17:17 +0000
Subject: [PATCH]  Only create as many per CPU timers as there are CPUs.
 (Robert Reif)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3833 c046a42c-6fe2-441c-8c8c-71466251a162
---
 hw/slavio_timer.c | 9 ++++++---
 hw/sun4m.c        | 2 +-
 hw/sun4m.h        | 2 +-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/hw/slavio_timer.c b/hw/slavio_timer.c
index 7d9ee4b2ae..1018f70a9f 100644
--- a/hw/slavio_timer.c
+++ b/hw/slavio_timer.c
@@ -61,6 +61,7 @@ typedef struct SLAVIO_TIMERState {
     struct SLAVIO_TIMERState *master;
     int slave_index;
     // system only
+    unsigned int num_slaves;
     struct SLAVIO_TIMERState *slave[MAX_CPUS];
     uint32_t slave_mode;
 } SLAVIO_TIMERState;
@@ -230,7 +231,7 @@ static void slavio_timer_mem_writel(void *opaque, target_phys_addr_t addr,
         if (s->master == NULL) {
             unsigned int i;
 
-            for (i = 0; i < MAX_CPUS; i++) {
+            for (i = 0; i < s->num_slaves; i++) {
                 if (val & (1 << i)) {
                     qemu_irq_lower(s->slave[i]->irq);
                     s->slave[i]->limit = -1ULL;
@@ -244,7 +245,7 @@ static void slavio_timer_mem_writel(void *opaque, target_phys_addr_t addr,
                     ptimer_run(s->slave[i]->timer, 0);
                 }
             }
-            s->slave_mode = val & ((1 << MAX_CPUS) - 1);
+            s->slave_mode = val & ((1 << s->num_slaves) - 1);
         } else
             DPRINTF("not system timer\n");
         break;
@@ -352,13 +353,15 @@ static SLAVIO_TIMERState *slavio_timer_init(target_phys_addr_t addr,
 }
 
 void slavio_timer_init_all(target_phys_addr_t base, qemu_irq master_irq,
-                           qemu_irq *cpu_irqs)
+                           qemu_irq *cpu_irqs, unsigned int num_cpus)
 {
     SLAVIO_TIMERState *master;
     unsigned int i;
 
     master = slavio_timer_init(base + SYS_TIMER_OFFSET, master_irq, NULL, 0);
 
+    master->num_slaves = num_cpus;
+
     for (i = 0; i < MAX_CPUS; i++) {
         master->slave[i] = slavio_timer_init(base + (target_phys_addr_t)
                                              CPU_TIMER_OFFSET(i),
diff --git a/hw/sun4m.c b/hw/sun4m.c
index 693fa696ac..5a07283583 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -436,7 +436,7 @@ static void sun4m_hw_init(const struct hwdef *hwdef, int RAM_size,
                         hwdef->nvram_size, 8);
 
     slavio_timer_init_all(hwdef->counter_base, slavio_irq[hwdef->clock1_irq],
-                          slavio_cpu_irq);
+                          slavio_cpu_irq, smp_cpus);
 
     slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[hwdef->ms_kb_irq],
                               nographic);
diff --git a/hw/sun4m.h b/hw/sun4m.h
index 0a38897bba..269ca392bd 100644
--- a/hw/sun4m.h
+++ b/hw/sun4m.h
@@ -36,7 +36,7 @@ void slavio_irq_info(void *opaque);
 
 /* slavio_timer.c */
 void slavio_timer_init_all(target_phys_addr_t base, qemu_irq master_irq,
-                           qemu_irq *cpu_irqs);
+                           qemu_irq *cpu_irqs, unsigned int num_cpus);
 
 /* slavio_serial.c */
 SerialState *slavio_serial_init(target_phys_addr_t base, qemu_irq irq,