Changeset 0c91cff in mainline for kernel/arch/ppc32/src/interrupt.c

Timestamp:

2014-08-23T22:09:41Z (11 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

4cb938b

Parents:

c451d22

Message:

Use the actual clock-frequency when starting decrementer.

File:

• kernel/arch/ppc32/src/interrupt.c (modified) (3 diffs)

kernel/arch/ppc32/src/interrupt.c

@@ -38 +38 @@
 #include <typedefs.h>
 #include <arch.h>
-#include <time/clock.h>
 #include <ipc/sysipc.h>
 #include <arch/drivers/pic.h>
@@ -46 +45 @@
 #include <log.h>
 
-void start_decrementer(void)
+static uint32_t decrementer_value;
+
+void decrementer_start(uint32_t val)
+{
+        decrementer_value = val;
+        decrementer_restart();
+}
+
+void decrementer_restart(void)
 {
         asm volatile (
                 "mtdec %[dec]\n"
-                :: [dec] "r" (1000)
+                :: [dec] "r" (decrementer_value)
         );
 }
@@ -140 +147 @@
 static void exception_decrementer(unsigned int n, istate_t *istate)
 {
-        start_decrementer();
+        decrementer_restart();
         clock();
 }