nes-proj/lib/include/isr.h
2010-03-04 18:51:27 -05:00

58 lines
1.6 KiB
C

#ifndef ISR_H
#define ISR_H
#define INTBASE (0x80020000)
#define INTCNTL_OFF (0x0)
#define INTENNUM_OFF (0x8)
#define INTDISNUM_OFF (0xC)
#define INTENABLE_OFF (0x10)
#define INTSRC_OFF (0x30)
#define NIPEND_OFF (0x38)
#define INTCNTL ((volatile uint32_t *) (INTBASE + INTCNTL_OFF))
#define INTENNUM ((volatile uint32_t *) (INTBASE + INTENNUM_OFF))
#define INTDISNUM ((volatile uint32_t *) (INTBASE + INTDISNUM_OFF))
#define INTENABLE ((volatile uint32_t *) (INTBASE + INTENABLE_OFF))
#define INTSRC ((volatile uint32_t *) (INTBASE + INTSRC_OFF))
#define NIPEND ((volatile uint32_t *) (INTBASE + NIPEND_OFF))
enum interrupt_nums {
INT_NUM_ASM = 0,
INT_NUM_UART1,
INT_NUM_UART2,
INT_NUM_CRM,
INT_NUM_I2C,
INT_NUM_TMR,
INT_NUM_SPIF,
INT_NUM_MACA,
INT_NUM_SSI,
INT_NUM_ADC,
INT_NUM_SPI,
};
#define global_irq_disable() (set_bit(*INTCNTL,20))
#define global_irq_enable() (clear_bit(*INTCNTL,20))
#define enable_irq(irq) (*INTENNUM = INT_NUM_##irq)
#define disable_irq(irq) (*INTDISNUM = INT_NUM_##irq)
extern void tmr0_isr(void) __attribute__((weak));
extern void tmr1_isr(void) __attribute__((weak));
extern void tmr2_isr(void) __attribute__((weak));
extern void tmr3_isr(void) __attribute__((weak));
extern void rtc_isr(void) __attribute__((weak));
extern void kbi4_isr(void) __attribute__((weak));
extern void kbi5_isr(void) __attribute__((weak));
extern void kbi6_isr(void) __attribute__((weak));
extern void kbi7_isr(void) __attribute__((weak));
extern void uart1_isr(void) __attribute__((weak));
extern void maca_isr(void) __attribute__((weak));
#endif