Subversion Repositories eco32

/*

 * start.h -- ECO32 ROM monitor startup and support routines

 */

#ifndef _START_H_

#define _START_H_

typedef struct {

  Word reg[32];                 /* general purpose registers */

  Word psw;                     /* PSW */

  Word tlbIndex;                /* TLB index register */

  Word tlbHi;                   /* TLB EntryHi register */

  Word tlbLo;                   /* TLB EntryLo register */

  Word badAddr;                 /* bad address register */

  Word badAccs;                 /* bad access register */

} UserContext;

typedef struct {

  Word r31;                     /* return address */

  Word r29;                     /* stack pointer */

  Word r16;                     /* local variable */

  Word r17;                     /* local variable */

  Word r18;                     /* local variable */

  Word r19;                     /* local variable */

  Word r20;                     /* local variable */

  Word r21;                     /* local variable */

  Word r22;                     /* local variable */

  Word r23;                     /* local variable */

} MonitorState;

void setcon(Byte ctl);

int cinchk(void);

char cin(void);

int coutchk(void);

void cout(char c);

int dskcap(int dskno);

int dskio(int dskno, char cmd, int sct, Word addr, int nscts);

Word getTLB_HI(int index);

Word getTLB_LO(int index);

void setTLB(int index, Word entryHi, Word entryLo);

Bool saveState(MonitorState *msp);

extern MonitorState *monitorReturn;

extern UserContext userContext;

void resume(void);

#endif /* _START_H_ */