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From: edgar.iglesias@gmail.com
To: qemu-devel@nongnu.org
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, aurelien@aurel32.net
Subject: [Qemu-devel] [PATCH 2/3] mips: Break out cpu_mips_timer_expire
Date: Tue, 18 Jan 2011 00:29:41 +0100	[thread overview]
Message-ID: <1295306982-29629-3-git-send-email-edgar.iglesias@gmail.com> (raw)
In-Reply-To: <1295306982-29629-1-git-send-email-edgar.iglesias@gmail.com>

From: Edgar E. Iglesias <edgar.iglesias@gmail.com>

Reorganize for future patches, no functional change.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
---
 hw/mips_timer.c |   36 ++++++++++++++++++++++--------------
 1 files changed, 22 insertions(+), 14 deletions(-)

diff --git a/hw/mips_timer.c b/hw/mips_timer.c
index e3beee8..8c32087 100644
--- a/hw/mips_timer.c
+++ b/hw/mips_timer.c
@@ -42,16 +42,6 @@ uint32_t cpu_mips_get_random (CPUState *env)
 }
 
 /* MIPS R4K timer */
-uint32_t cpu_mips_get_count (CPUState *env)
-{
-    if (env->CP0_Cause & (1 << CP0Ca_DC))
-        return env->CP0_Count;
-    else
-        return env->CP0_Count +
-            (uint32_t)muldiv64(qemu_get_clock(vm_clock),
-                               TIMER_FREQ, get_ticks_per_sec());
-}
-
 static void cpu_mips_timer_update(CPUState *env)
 {
     uint64_t now, next;
@@ -64,6 +54,27 @@ static void cpu_mips_timer_update(CPUState *env)
     qemu_mod_timer(env->timer, next);
 }
 
+/* Expire the timer.  */
+static void cpu_mips_timer_expire(CPUState *env)
+{
+    cpu_mips_timer_update(env);
+    if (env->insn_flags & ISA_MIPS32R2) {
+        env->CP0_Cause |= 1 << CP0Ca_TI;
+    }
+    qemu_irq_raise(env->irq[(env->CP0_IntCtl >> CP0IntCtl_IPTI) & 0x7]);
+}
+
+uint32_t cpu_mips_get_count (CPUState *env)
+{
+    if (env->CP0_Cause & (1 << CP0Ca_DC)) {
+        return env->CP0_Count;
+    } else {
+        return env->CP0_Count +
+            (uint32_t)muldiv64(qemu_get_clock(vm_clock),
+                               TIMER_FREQ, get_ticks_per_sec());
+    }
+}
+
 void cpu_mips_store_count (CPUState *env, uint32_t count)
 {
     if (env->CP0_Cause & (1 << CP0Ca_DC))
@@ -116,11 +127,8 @@ static void mips_timer_cb (void *opaque)
        the comparator value.  Offset the count by one to avoid immediately
        retriggering the callback before any virtual time has passed.  */
     env->CP0_Count++;
-    cpu_mips_timer_update(env);
+    cpu_mips_timer_expire(env);
     env->CP0_Count--;
-    if (env->insn_flags & ISA_MIPS32R2)
-        env->CP0_Cause |= 1 << CP0Ca_TI;
-    qemu_irq_raise(env->irq[(env->CP0_IntCtl >> CP0IntCtl_IPTI) & 0x7]);
 }
 
 void cpu_mips_clock_init (CPUState *env)
-- 
1.7.2.2

  parent reply	other threads:[~2011-01-17 23:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-17 23:29 [Qemu-devel] [PATCH 0/3] mips: Handle late r4k timers edgar.iglesias
2011-01-17 23:29 ` [Qemu-devel] [PATCH 1/3] mips: Break TBs after mfc0_count edgar.iglesias
2011-01-18 10:34   ` Aurelien Jarno
2011-01-18 10:43     ` Edgar E. Iglesias
2011-01-18 11:50     ` Edgar E. Iglesias
2011-01-17 23:29 ` edgar.iglesias [this message]
2011-01-18 10:35   ` [Qemu-devel] Re: [PATCH 2/3] mips: Break out cpu_mips_timer_expire Aurelien Jarno
2011-01-17 23:29 ` [Qemu-devel] [PATCH 3/3] mips: Expire late timers when reading cp0_count edgar.iglesias
2011-01-18  0:33   ` [Qemu-devel] " Edgar E. Iglesias
2011-01-18 10:36     ` Aurelien Jarno
2011-01-18 10:41       ` Edgar E. Iglesias
2011-01-18 10:52         ` Aurelien Jarno

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