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Implement in_interrupt_mode() properly

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19334 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2008-12-04 21:06:52 +00:00
parent 1ab08e6879
commit 203722136c
2 changed files with 9 additions and 16 deletions
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19
firmware/target/mips/ingenic_jz47xx/system-jz4740.c
View file

@ -27,6 +27,7 @@
#include "system-target.h"
#include <string.h>
#include "kernel.h"
#include "system.h"
#define NUM_DMA 6
#define NUM_GPIO 128
@ -322,26 +323,15 @@ static int get_irq_number(void)
return irq;
}
static bool intr_mode = false;
bool in_interrupt_mode(void)
{
return intr_mode;
}
void intr_handler(void)
{
int irq = get_irq_number();
if(irq < 0)
irq = get_irq_number(); /* irq is defined static at UIRQ() */
if(UNLIKELY(irq < 0))
return;
ack_irq(irq);
if(irq > 0)
{
intr_mode = true;
if(LIKELY(irq > 0))
irqvector[irq-1]();
intr_mode = false;
}
}
#define EXC(x,y) if(_cause == (x)) return (y);
@ -378,7 +368,6 @@ void exception_handler(void* stack_ptr, unsigned int cause, unsigned int epc)
static const int FR2n[] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32};
static unsigned int iclk;
static void detect_clock(void)
{
unsigned int cfcr, pllout;

6
firmware/target/mips/ingenic_jz47xx/system-target.h
View file

@ -56,6 +56,11 @@ static inline void disable_interrupt(void)
clear_c0_status(ST0_IE);
}
static inline bool in_interrupt_mode(void)
{
return (read_c0_status() & ST0_IE) ? true : false;
}
#define disable_irq() \
disable_interrupt()
@ -101,7 +106,6 @@ void udelay(unsigned int usec);
void mdelay(unsigned int msec);
void power_off(void);
void system_reboot(void);
bool in_interrupt_mode(void);
#define DMA_LCD_CHANNEL 0
#define DMA_NAND_CHANNEL 1