aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/cpu/irq.h1
-rw-r--r--kernel/cpu/irq.c8
-rw-r--r--usr/main.c4
3 files changed, 13 insertions, 0 deletions
diff --git a/include/cpu/irq.h b/include/cpu/irq.h
index e244cc9..0fb7fbb 100644
--- a/include/cpu/irq.h
+++ b/include/cpu/irq.h
@@ -24,6 +24,7 @@ struct SysTimerInfo {
unsigned long tick_rate;
unsigned long priority;
void* arg;
+ unsigned long oneshot;
};
struct GPIOInfo {
diff --git a/kernel/cpu/irq.c b/kernel/cpu/irq.c
index f718b7e..2990881 100644
--- a/kernel/cpu/irq.c
+++ b/kernel/cpu/irq.c
@@ -61,6 +61,8 @@ unsigned long c_irq_handler(void)
*nexttime = *timer_chi + stinfo->tick_rate;
*timer_cs = SYS_TIMER_SC_M0;
scheduled = 1;
+ if (stinfo->oneshot)
+ store32(SYS_TIMER_SC_M0, IRQ_DISABLE1);
}
// Check if System Time Compare 1 Triggered the Interrupt
if (*(volatile unsigned long*)SYS_TIMER_CS & SYS_TIMER_SC_M1 && irqs[SYS_TIMER_1_IRQ].handler != 0) {
@@ -72,6 +74,8 @@ unsigned long c_irq_handler(void)
*nexttime = *timer_chi + stinfo->tick_rate;
*timer_cs = SYS_TIMER_SC_M1;
scheduled = 1;
+ if (stinfo->oneshot)
+ store32(SYS_TIMER_SC_M1, IRQ_DISABLE1);
}
// Check if System Time Compare 2 Triggered the Interrupt
if (*(volatile unsigned long*)SYS_TIMER_CS & SYS_TIMER_SC_M2 && irqs[SYS_TIMER_2_IRQ].handler != 0) {
@@ -83,6 +87,8 @@ unsigned long c_irq_handler(void)
*nexttime = *timer_chi + stinfo->tick_rate;
*timer_cs = SYS_TIMER_SC_M2;
scheduled = 1;
+ if (stinfo->oneshot)
+ store32(SYS_TIMER_SC_M2, IRQ_DISABLE1);
}
// Check if System Time Compare 3 Triggered the Interrupt
if (*(volatile unsigned long*)SYS_TIMER_CS & SYS_TIMER_SC_M3 && irqs[SYS_TIMER_3_IRQ].handler != 0) {
@@ -94,6 +100,8 @@ unsigned long c_irq_handler(void)
*nexttime = *timer_chi + stinfo->tick_rate;
*timer_cs = SYS_TIMER_SC_M3;
scheduled = 1;
+ if (stinfo->oneshot)
+ store32(SYS_TIMER_SC_M3, IRQ_DISABLE1);
}
}
// Check if CNTV triggered the interrupt
diff --git a/usr/main.c b/usr/main.c
index 0308d4b..5d5348a 100644
--- a/usr/main.c
+++ b/usr/main.c
@@ -14,24 +14,28 @@ static struct SysTimerInfo stime_0 = {
.tick_rate = 5000000,
.priority = 0,
.arg = 0,
+ .oneshot = 0,
};
static struct SysTimerInfo stime_1 = {
.tick_rate = 700000,
.priority = 0,
.arg = 0,
+ .oneshot = 0,
};
static struct SysTimerInfo stime_2 = {
.tick_rate = 300000,
.priority = 0,
.arg = 0,
+ .oneshot = 0,
};
static struct SysTimerInfo stime_3 = {
.tick_rate = 10,
.priority = 0,
.arg = 0,
+ .oneshot = 0,
};
static struct UartInfo UART_INFO = {