hw/m68k/mcf5206.c: Switch to transaction-based ptimer API

Switch the mcf5206 code away from bottom-half based ptimers to
the new transaction-based ptimer API.  This just requires adding
begin/commit calls around the various places that modify the ptimer
state, and using the new ptimer_init() function to create the timer.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20191021140600.10725-1-peter.maydell@linaro.org

diff --git a/hw/m68k/mcf5206.c b/hw/m68k/mcf5206.c
index a49096367cb2e458bbd89ad15a77068c465e911a..b155dd81705d7e399a9b6ec3285b05fdf6068be5 100644 (file)
--- a/hw/m68k/mcf5206.c
+++ b/hw/m68k/mcf5206.c
@@ -8,7 +8,6 @@
 
 #include "qemu/osdep.h"
 #include "qemu/error-report.h"
-#include "qemu/main-loop.h"
 #include "cpu.h"
 #include "hw/hw.h"
 #include "hw/irq.h"
@@ -57,10 +56,12 @@ static void m5206_timer_recalibrate(m5206_timer_state *s)
     int prescale;
     int mode;
 
+    ptimer_transaction_begin(s->timer);
     ptimer_stop(s->timer);
 
-    if ((s->tmr & TMR_RST) == 0)
-        return;
+    if ((s->tmr & TMR_RST) == 0) {
+        goto exit;
+    }
 
     prescale = (s->tmr >> 8) + 1;
     mode = (s->tmr >> 1) & 3;
@@ -78,6 +79,8 @@ static void m5206_timer_recalibrate(m5206_timer_state *s)
     ptimer_set_limit(s->timer, s->trr, 0);
 
     ptimer_run(s->timer, 0);
+exit:
+    ptimer_transaction_commit(s->timer);
 }
 
 static void m5206_timer_trigger(void *opaque)
@@ -123,7 +126,9 @@ static void m5206_timer_write(m5206_timer_state *s, uint32_t addr, uint32_t val)
         s->tcr = val;
         break;
     case 0xc:
+        ptimer_transaction_begin(s->timer);
         ptimer_set_count(s->timer, val);
+        ptimer_transaction_commit(s->timer);
         break;
     case 0x11:
         s->ter &= ~val;
@@ -137,11 +142,9 @@ static void m5206_timer_write(m5206_timer_state *s, uint32_t addr, uint32_t val)
 static m5206_timer_state *m5206_timer_init(qemu_irq irq)
 {
     m5206_timer_state *s;
-    QEMUBH *bh;
 
     s = g_new0(m5206_timer_state, 1);
-    bh = qemu_bh_new(m5206_timer_trigger, s);
-    s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT);
+    s->timer = ptimer_init(m5206_timer_trigger, s, PTIMER_POLICY_DEFAULT);
     s->irq = irq;
     m5206_timer_reset(s);
     return s;