/*
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/*
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* start.h -- ECO32 ROM monitor startup and support routines
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* start.h -- ECO32 ROM monitor startup and support routines
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*/
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*/
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#ifndef _START_H_
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#ifndef _START_H_
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#define _START_H_
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#define _START_H_
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typedef struct {
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typedef struct {
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Word reg[32]; /* general purpose registers */
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Word reg[32]; /* general purpose registers */
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Word psw; /* PSW */
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Word psw; /* PSW */
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Word tlbIndex; /* TLB index register */
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Word tlbIndex; /* TLB index register */
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Word tlbHi; /* TLB EntryHi register */
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Word tlbHi; /* TLB EntryHi register */
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Word tlbLo; /* TLB EntryLo register */
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Word tlbLo; /* TLB EntryLo register */
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Word badAddr; /* bad address register */
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} UserContext;
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} UserContext;
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typedef struct {
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typedef struct {
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Word r31; /* return address */
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Word r31; /* return address */
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Word r29; /* stack pointer */
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Word r29; /* stack pointer */
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Word r16; /* local variable */
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Word r16; /* local variable */
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Word r17; /* local variable */
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Word r17; /* local variable */
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Word r18; /* local variable */
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Word r18; /* local variable */
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Word r19; /* local variable */
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Word r19; /* local variable */
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Word r20; /* local variable */
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Word r20; /* local variable */
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Word r21; /* local variable */
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Word r21; /* local variable */
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Word r22; /* local variable */
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Word r22; /* local variable */
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Word r23; /* local variable */
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Word r23; /* local variable */
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} MonitorState;
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} MonitorState;
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int cinchk(void);
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int cinchk(void);
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int cin(void);
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int cin(void);
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int coutchk(void);
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int coutchk(void);
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void cout(char c);
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void cout(char c);
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int sinchk(void);
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int sinchk(void);
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int sin(void);
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int sin(void);
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int soutchk(void);
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int soutchk(void);
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void sout(char c);
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void sout(char c);
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int dskcap(int dskno);
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int dskcap(int dskno);
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int dskio(int dskno, char cmd, int sct, Word addr, int nscts);
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int dskio(int dskno, char cmd, int sct, Word addr, int nscts);
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void setISR(Word ptr);
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void setISR(Word ptr);
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void setUMSR(Word ptr);
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void setUMSR(Word ptr);
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extern Word isrPtr;
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extern Word isrPtr;
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extern Word umsrPtr;
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extern Word umsrPtr;
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Word getTLB_HI(int index);
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Word getTLB_HI(int index);
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Word getTLB_LO(int index);
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Word getTLB_LO(int index);
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void setTLB(int index, Word entryHi, Word entryLo);
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void setTLB(int index, Word entryHi, Word entryLo);
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Bool saveState(MonitorState *msp);
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Bool saveState(MonitorState *msp);
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extern MonitorState *monitorReturn;
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extern MonitorState *monitorReturn;
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extern UserContext userContext;
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extern UserContext userContext;
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void resume(void);
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void resume(void);
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#endif /* _START_H_ */
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#endif /* _START_H_ */
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