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authorMichael Sevakis <jethead71@rockbox.org>2008-10-27 16:30:24 +0000
committerMichael Sevakis <jethead71@rockbox.org>2008-10-27 16:30:24 +0000
commita9e69d935cb5c2e5ffca1bbc977252ce7661d343 (patch)
tree8ac65804b294cfe7cc55febe445f904a1b33cb0e /firmware/target/arm/imx31
parente5d72ac5f767a66b11c7a46dfb4edd322f7a723d (diff)
downloadrockbox-a9e69d935cb5c2e5ffca1bbc977252ce7661d343.tar.gz
rockbox-a9e69d935cb5c2e5ffca1bbc977252ce7661d343.zip
Strange little kernel optimization to ease targeting the timer tick and to limit the number of loops in the tick function to the number of tasks added rather than always looping the max number.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18893 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/imx31')
-rw-r--r--firmware/target/arm/imx31/gigabeat-s/kernel-imx31.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/firmware/target/arm/imx31/gigabeat-s/kernel-imx31.c b/firmware/target/arm/imx31/gigabeat-s/kernel-imx31.c
index e7bce8dc2c..3d7c577e3c 100644
--- a/firmware/target/arm/imx31/gigabeat-s/kernel-imx31.c
+++ b/firmware/target/arm/imx31/gigabeat-s/kernel-imx31.c
@@ -27,22 +27,12 @@
27#include "kernel.h" 27#include "kernel.h"
28#include "thread.h" 28#include "thread.h"
29 29
30extern void (*tick_funcs[MAX_NUM_TICK_TASKS])(void);
31
32static __attribute__((interrupt("IRQ"))) void EPIT1_HANDLER(void) 30static __attribute__((interrupt("IRQ"))) void EPIT1_HANDLER(void)
33{ 31{
34 int i;
35
36 EPITSR1 = EPITSR_OCIF; /* Clear the pending status */ 32 EPITSR1 = EPITSR_OCIF; /* Clear the pending status */
37 33
38 /* Run through the list of tick tasks */ 34 /* Run through the list of tick tasks */
39 for(i = 0;i < MAX_NUM_TICK_TASKS;i++) 35 call_tick_tasks();
40 {
41 if(tick_funcs[i])
42 tick_funcs[i]();
43 }
44
45 current_tick++;
46} 36}
47 37
48void tick_start(unsigned int interval_in_ms) 38void tick_start(unsigned int interval_in_ms)