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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2007-12-30 18:13:22 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2007-12-30 18:13:22 +0000
commit3eb484bd4d79de731b743d9dccf9a2535b82699f (patch)
treed1294e332ccb95febfb82745a73d1cfcb29366bd /nuttx/configs
parentc5ba5065cbf2b43101f4c311f56d55a0ff99bad6 (diff)
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Integrating z80
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@463 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs')
-rw-r--r--nuttx/configs/z80sim/defconfig4
-rw-r--r--nuttx/configs/z80sim/src/z80_irq.c17
-rw-r--r--nuttx/configs/z80sim/src/z80_timerisr.c1
3 files changed, 17 insertions, 5 deletions
diff --git a/nuttx/configs/z80sim/defconfig b/nuttx/configs/z80sim/defconfig
index 0603818d0..a993a6aeb 100644
--- a/nuttx/configs/z80sim/defconfig
+++ b/nuttx/configs/z80sim/defconfig
@@ -285,5 +285,5 @@ CONFIG_CUSTOM_STACK=n
CONFIG_PROC_STACK_SIZE=1024
CONFIG_PTHREAD_STACK_MIN=
CONFIG_PTHREAD_STACK_DEFAULT=
-CONFIG_HEAP_SIZE=32768
-CONFIG_HEAP_BASE=CONFIG_DRAM_SIZE-CONFIG_HEAP_SIZE
+CONFIG_HEAP_SIZE=
+CONFIG_HEAP_BASE=
diff --git a/nuttx/configs/z80sim/src/z80_irq.c b/nuttx/configs/z80sim/src/z80_irq.c
index b6e81b32e..5fd150359 100644
--- a/nuttx/configs/z80sim/src/z80_irq.c
+++ b/nuttx/configs/z80sim/src/z80_irq.c
@@ -76,10 +76,21 @@ void up_irqinitialize(void)
current_regs = NULL;
- /* And finally, enable interrupts */
+ /* Attach the timer interrupt -- There is not special timer interrupt
+ * enable in the simulation so it must be enabled here before interrupts
+ * are enabled.
+ *
+ * NOTE: Normally, there are seperate enables for "global" interrupts
+ * and specific device interrupts. In such a "normal" case, the timer
+ * interrupt should be attached and enabled in the the function up_timerinit()
+ */
+
+ irq_attach(Z80_IRQ_SYSTIMER, (xcpt_t)up_timerisr);
+
+ /* And finally, enable interrupts (including the timer) */
#ifndef CONFIG_SUPPRESS_INTERRUPTS
- irqrestore(TRUE);
+ irqrestore(Z80_C_FLAG);
#endif
}
@@ -93,7 +104,7 @@ void up_irqinitialize(void)
void up_disable_irq(int irq)
{
- irqrestore(FALSE);
+ irqrestore(0);
}
/****************************************************************************
diff --git a/nuttx/configs/z80sim/src/z80_timerisr.c b/nuttx/configs/z80sim/src/z80_timerisr.c
index e56678d13..a088d14b8 100644
--- a/nuttx/configs/z80sim/src/z80_timerisr.c
+++ b/nuttx/configs/z80sim/src/z80_timerisr.c
@@ -91,5 +91,6 @@ int up_timerisr(int irq, FAR chipreg_t *regs)
void up_timerinit(void)
{
+ /* The timer interrupt was attached in up_irqinitialize -- see comments there */
}