Subversion Repositories openrisc

#ifndef _OR1200_UTILS_H_
#define _OR1200_UTILS_H_
 
/* Register access macros */
#define REG8(add) *((volatile unsigned char *)(add))
#define REG16(add) *((volatile unsigned short *)(add))
#define REG32(add) *((volatile unsigned long *)(add))
 
/*
 * l.nop constants
 *
 */
#define NOP_NOP         0x0000      /* Normal nop instruction */
#define NOP_EXIT        0x0001      /* End of simulation */
#define NOP_REPORT      0x0002      /* Simple report */
#define NOP_PRINTF      0x0003      /* Simprintf instruction */
#define NOP_PUTC        0x0004      /* Simulation putc instruction */
#define NOP_REPORT_FIRST 0x0400     /* Report with number */
#define NOP_REPORT_LAST  0x03ff      /* Report with number */
 
/* For writing into SPR. */
void mtspr(unsigned long spr, unsigned long value);
 
/* For reading SPR. */
unsigned long mfspr(unsigned long spr);
 
/* Print out a character via simulator */
void sim_putc(unsigned char c);
 
/* Prints out a value */
void report(unsigned long value);
 
/* Loops/exits simulation */
void exit(int i);
 
/* Enable user interrupts */
void cpu_enable_user_interrupts(void);
 
/* Variable keeping track of timer ticks */
extern unsigned long timer_ticks;
/* Enable tick timer and interrupt generation */
void enable_timer(void);
/* Disable tick timer and interrupt generation */
void disable_timer(void);
/* Timer increment - called by interrupt routine */
void timer_tick(void);
/* Reset tick counter */
void clear_timer_ticks(void);
/* Get tick counter */
unsigned long get_timer_ticks(void);
/* Wait for 10ms */
void wait_10ms(void);
 
#endif