From 5ca8bf022c5ecf75b34b7819cf2ea2d377709946 Mon Sep 17 00:00:00 2001
From: Karl Kurbjun <kkurbjun@gmail.com>
Date: Thu, 13 Aug 2009 04:20:46 +0000
Subject: M:Robe 500: Put more interrupts in iram, reduce stack usage when
 ARM/DSP transfers happen.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22287 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/arm/tms320dm320/mrobe-500/lcd-remote-mr500.c | 2 +-
 firmware/target/arm/tms320dm320/mrobe-500/pcm-mr500.c        | 5 ++++-
 firmware/target/arm/tms320dm320/mrobe-500/usb-mr500.c        | 1 +
 firmware/target/arm/tms320dm320/system-dm320.c               | 4 ++--
 firmware/target/arm/tms320dm320/timer-dm320.c                | 1 +
 5 files changed, 9 insertions(+), 4 deletions(-)

(limited to 'firmware/target/arm/tms320dm320')

diff --git a/firmware/target/arm/tms320dm320/mrobe-500/lcd-remote-mr500.c b/firmware/target/arm/tms320dm320/mrobe-500/lcd-remote-mr500.c
index f35524d88e..98d41c7618 100644
--- a/firmware/target/arm/tms320dm320/mrobe-500/lcd-remote-mr500.c
+++ b/firmware/target/arm/tms320dm320/mrobe-500/lcd-remote-mr500.c
@@ -300,7 +300,7 @@ bool remote_button_hold(void)
 
 int remote_read_device(void)
 {
-    char read_buffer[5];
+    static char read_buffer[5];
     int read_button = BUTTON_NONE;
     
     static int oldbutton=BUTTON_NONE;
diff --git a/firmware/target/arm/tms320dm320/mrobe-500/pcm-mr500.c b/firmware/target/arm/tms320dm320/mrobe-500/pcm-mr500.c
index 0542c6c2a9..3f15bd6dd0 100644
--- a/firmware/target/arm/tms320dm320/mrobe-500/pcm-mr500.c
+++ b/firmware/target/arm/tms320dm320/mrobe-500/pcm-mr500.c
@@ -121,12 +121,15 @@ size_t pcm_get_bytes_waiting(void)
     return DSP_(_sdem_dsp_size)-DSP_(_sdem_level);
 }
 
+/* Only used when debugging */
+char buffer[80];
+
+void DSPHINT(void) __attribute__ ((section(".icode")));
 void DSPHINT(void)
 {
 	register pcm_more_callback_type get_more;   /* No stack for this */
 	
     unsigned int i;
-    char buffer[80];
 
     IO_INTC_IRQ0 = 1 << 11;
     
diff --git a/firmware/target/arm/tms320dm320/mrobe-500/usb-mr500.c b/firmware/target/arm/tms320dm320/mrobe-500/usb-mr500.c
index 2e3518868b..1fbc1ce60f 100644
--- a/firmware/target/arm/tms320dm320/mrobe-500/usb-mr500.c
+++ b/firmware/target/arm/tms320dm320/mrobe-500/usb-mr500.c
@@ -62,6 +62,7 @@ void usb_init_device(void) {
 }
 
 /* This is the initial interupt handler routine for the USB controller */
+void GIO3 (void)  __attribute__ ((section(".icode")));
 void GIO3 (void) {
     /* Clear the interrupt, this is critical to do before running the full
      *  handler otherwise you might miss an interrupt and everything will stop
diff --git a/firmware/target/arm/tms320dm320/system-dm320.c b/firmware/target/arm/tms320dm320/system-dm320.c
index 910662505b..d1f2ff1684 100644
--- a/firmware/target/arm/tms320dm320/system-dm320.c
+++ b/firmware/target/arm/tms320dm320/system-dm320.c
@@ -35,8 +35,8 @@
 #define default_interrupt(name) \
   extern __attribute__((weak,alias("UIRQ"))) void name (void)
 
-void irq_handler(void) __attribute__((interrupt ("IRQ"), naked));
-void fiq_handler(void) __attribute__((interrupt ("FIQ"), naked));
+void irq_handler(void) __attribute__((interrupt ("IRQ"), naked, section(".icode")));
+void fiq_handler(void) __attribute__((interrupt ("FIQ"), naked, section(".icode")));
 
 default_interrupt(TIMER0);
 default_interrupt(TIMER1);
diff --git a/firmware/target/arm/tms320dm320/timer-dm320.c b/firmware/target/arm/tms320dm320/timer-dm320.c
index ef1fac04eb..030d645664 100644
--- a/firmware/target/arm/tms320dm320/timer-dm320.c
+++ b/firmware/target/arm/tms320dm320/timer-dm320.c
@@ -27,6 +27,7 @@
 
 /* GPB0/TOUT0 should already have been configured as output so that pin
   should not be a functional pin and TIMER0 output unseen there */
+void TIMER0(void)  __attribute__ ((section(".icode")));
 void TIMER0(void)
 {
     IO_INTC_IRQ0 = INTR_IRQ0_TMR0; /* clear TIMER0 interrupt */
-- 
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