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M:Robe 500: Put more interrupts in iram, reduce stack usage when ARM/DSP transfers happen.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22287 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2009-08-13 04:20:46 +00:00
parent f026a0fed7
commit 5ca8bf022c
5 changed files with 9 additions and 4 deletions
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2
firmware/target/arm/tms320dm320/mrobe-500/lcd-remote-mr500.c
View file

@ -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;

5
firmware/target/arm/tms320dm320/mrobe-500/pcm-mr500.c
View file

@ -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;

1
firmware/target/arm/tms320dm320/mrobe-500/usb-mr500.c
View file

@ -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

4
firmware/target/arm/tms320dm320/system-dm320.c
View file

@ -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);

1
firmware/target/arm/tms320dm320/timer-dm320.c
View file

@ -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 */