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);

/* 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