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authorLinus Nielsen Feltzing <linus@haxx.se>2002-04-25 00:15:04 +0000
committerLinus Nielsen Feltzing <linus@haxx.se>2002-04-25 00:15:04 +0000
commit7b9581a13148957842ab53e2b28bf0a663a48980 (patch)
tree04db80bcc15ccb36c50d6e368c5846ec65bcd4f0
parent99406a6635f91f5fc716cd0ca28e8364f7a97061 (diff)
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@220 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r--firmware/kernel.c2
-rw-r--r--firmware/test/kernel/Makefile3
-rw-r--r--firmware/test/kernel/main.c35
-rw-r--r--firmware/test/kernel/timer.c18
-rw-r--r--firmware/thread.c32
5 files changed, 49 insertions, 41 deletions
diff --git a/firmware/kernel.c b/firmware/kernel.c
index 012ff94..da3ddf5 100644
--- a/firmware/kernel.c
+++ b/firmware/kernel.c
@@ -17,6 +17,7 @@
*
****************************************************************************/
#include "kernel.h"
+#include "thread.h"
long current_tick = 0;
@@ -32,4 +33,5 @@ void sleep(int ticks)
void yield(void)
{
+ switch_thread();
}
diff --git a/firmware/test/kernel/Makefile b/firmware/test/kernel/Makefile
index f632b3f..0740f68 100644
--- a/firmware/test/kernel/Makefile
+++ b/firmware/test/kernel/Makefile
@@ -14,7 +14,8 @@ TARGET = -DARCHOS_PLAYER_OLD=1
CFLAGS = -g -O -Wall -m1 -save-temps -nostdlib -Wstrict-prototypes -fomit-frame-pointer -fschedule-insns -fno-builtin $(INCLUDES) $(TARGET)
AFLAGS += -small -relax
-OBJS= ../../crt0.o ../../system.o main.o timer.o ../../thread.o ../../debug.o
+OBJS= ../../crt0.o ../../system.o main.o timer.o \
+ ../../thread.o ../../kernel.o ../../debug.o
%.o: %.S
$(CC) -o $@ $(CFLAGS) $(INCLUDES) $(DEFS) -c $<
diff --git a/firmware/test/kernel/main.c b/firmware/test/kernel/main.c
index 6ce99c8..b52ecff 100644
--- a/firmware/test/kernel/main.c
+++ b/firmware/test/kernel/main.c
@@ -17,6 +17,7 @@
*
****************************************************************************/
#include "thread.h"
+#include "kernel.h"
#include "sh7034.h"
#include "debug.h"
@@ -30,11 +31,11 @@ void t2(void);
int main(void)
{
- char buf[40];
- char str[32];
- int i=0;
+ char buf[40];
+ char str[32];
+ int i=0;
- /* Clear it all! */
+ /* Clear it all! */
SSR1 &= ~(SCI_RDRF | SCI_ORER | SCI_PER | SCI_FER);
/* This enables the serial Rx interrupt, to be able to exit into the
@@ -46,31 +47,31 @@ int main(void)
debugf("OK. Let's go\n");
tick_start(40);
-
+
create_thread(t1, s1, 1024);
create_thread(t2, s2, 1024);
while(1)
{
- debugf("t0\n");
- switch_thread();
+ debugf("t0\n");
+ sleep(100);
}
}
void t1(void)
{
- while(1)
- {
- debugf("t1\n");
- switch_thread();
- }
+ while(1)
+ {
+ debugf("t1\n");
+ sleep(200);
+ }
}
void t2(void)
{
- while(1)
- {
- debugf("t2\n");
- switch_thread();
- }
+ while(1)
+ {
+ debugf("t2\n");
+ sleep(300);
+ }
}
diff --git a/firmware/test/kernel/timer.c b/firmware/test/kernel/timer.c
index be253db..31c6f82 100644
--- a/firmware/test/kernel/timer.c
+++ b/firmware/test/kernel/timer.c
@@ -19,6 +19,7 @@
#include "sh7034.h"
#include "system.h"
#include "debug.h"
+#include "kernel.h"
void tick_start(unsigned int interval_in_ms)
{
@@ -26,6 +27,7 @@ void tick_start(unsigned int interval_in_ms)
count = FREQ / 1000 / 8 * interval_in_ms;
+ debugf("count = %d\n", count);
if(count > 0xffff)
{
debugf("Error! The tick interval is too long (%d ms)\n",
@@ -40,24 +42,22 @@ void tick_start(unsigned int interval_in_ms)
TMDR &= ~0x01; /* Operate normally */
TCNT0 = 0; /* Start counting at 0 */
- GRA0 = 0xfff0;
+ GRA0 = count;
TCR0 = 0x23; /* Clear at GRA match, sysclock/8 */
- TSTR |= 0x01; /* Start timer 1 */
-
/* Enable interrupt on level 1 */
IPRC = (IPRC & ~0x00f0) | 0x0010;
-
- TIER0 |= 0x01; /* Enable GRA match interrupt */
- while(1)
- {
- }
+ TSR0 &= ~0x01;
+ TIER0 |= 0x01; /* Enable GRA match interrupt */
+
+ TSTR |= 0x01; /* Start timer 1 */
}
#pragma interrupt
void IMIA0(void)
{
+ current_tick++;
+
TSR0 &= ~0x01;
- debugf("Yes\n");
}
diff --git a/firmware/thread.c b/firmware/thread.c
index e6bc1dd..e3116fb 100644
--- a/firmware/thread.c
+++ b/firmware/thread.c
@@ -52,16 +52,18 @@ static inline void stctx(void* addr)
"mov.l r9, @(4, %1)\n\t"
"mov.l r10, @(8, %1)\n\t"
"mov.l r11, @(12, %1)\n\t"
- "mov.l r12, @(16, %1)\n\t"
- "mov.l r13, @(20, %1)\n\t"
- "mov.l r14, @(24, %1)\n\t"
- "mov.l r15, @(28, %1)\n\t"
+ "add #16,%1\n\t"
+ "mov.l r12, @(0, %1)\n\t"
+ "mov.l r13, @(4, %1)\n\t"
+ "mov.l r14, @(8, %1)\n\t"
+ "mov.l r15, @(12, %1)\n\t"
+ "add #16,%1\n\t"
"stc sr, %0\n\t"
- "mov.l %0, @(32, %1)\n\t"
+ "mov.l %0, @(0, %1)\n\t"
"stc gbr, %0\n\t"
- "mov.l %0, @(36, %1)\n\t"
+ "mov.l %0, @(4, %1)\n\t"
"sts pr, %0\n\t"
- "mov.l %0, @(40, %1)" : "=r&" (tmp) : "r" (addr));
+ "mov.l %0, @(8, %1)" : "=r&" (tmp) : "r" (addr));
}
/*---------------------------------------------------------------------------
@@ -76,15 +78,17 @@ static inline void ldctx(void* addr)
"mov.l @(4, %1), r9\n\t"
"mov.l @(8, %1), r10\n\t"
"mov.l @(12, %1), r11\n\t"
- "mov.l @(16, %1), r12\n\t"
- "mov.l @(20, %1), r13\n\t"
- "mov.l @(24, %1), r14\n\t"
- "mov.l @(28, %1), r15\n\t"
- "mov.l @(32, %1), r0\n\t"
+ "add #16,%1\n\t"
+ "mov.l @(0, %1), r12\n\t"
+ "mov.l @(4, %1), r13\n\t"
+ "mov.l @(8, %1), r14\n\t"
+ "mov.l @(12, %1), r15\n\t"
+ "add #16,%1\n\t"
+ "mov.l @(0, %1), r0\n\t"
"ldc %0, sr\n\t"
- "mov.l @(36, %1), %0\n\t"
+ "mov.l @(4, %1), %0\n\t"
"ldc %0, gbr\n\t"
- "mov.l @(40, %1), %0\n\t"
+ "mov.l @(8, %1), %0\n\t"
"lds %0, pr\n\t"
"mov.l %0, @(0, r15)" : "=r&" (tmp) : "r" (addr));
}