166 lines
4.7 KiB
C
166 lines
4.7 KiB
C
#define checkmmu(a, b)
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#define countpagerefs(a, b)
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#include "../port/portfns.h"
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extern int led(int, int);
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extern void ledexit(int);
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extern void delay(int);
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extern void _uartputs(char*, int);
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extern int _uartprint(char*, ...);
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extern void uartkirkwoodconsole(void);
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extern void serialputs(char *, int);
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extern void serialputc(int c);
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#pragma varargck argpos _uartprint 1
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extern void archreboot(void);
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extern void archconfinit(void);
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extern void archreset(void);
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extern void barriers(void);
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extern void cachedinv(void);
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extern void cachedinvse(void*, int);
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extern void cachedwb(void);
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extern void cachedwbinv(void);
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extern void cachedwbinvse(void*, int);
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extern void cachedwbse(void*, int);
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extern void cacheiinv(void);
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extern void cacheuwbinv(void);
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extern uintptr cankaddr(uintptr pa);
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extern void clockshutdown(void);
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extern int clz(ulong);
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int cmpswap(long*, long, long);
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#define coherence barriers
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extern u32int controlget(void);
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extern u32int cpctget(void);
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extern u32int cpidget(void);
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extern char *cputype2name(char *, int);
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extern ulong cprd(int cp, int op1, int crn, int crm, int op2);
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extern ulong cprdsc(int op1, int crn, int crm, int op2);
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extern void cpuidprint(void);
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extern void cpwr(int cp, int op1, int crn, int crm, int op2, ulong val);
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extern void cpwrsc(int op1, int crn, int crm, int op2, ulong val);
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#define cycles(ip) *(ip) = lcycles()
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extern u32int dacget(void);
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extern void dacput(u32int);
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extern u32int farget(void);
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extern u32int fsrget(void);
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extern int ispow2(uvlong);
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extern void l1cachesoff(void);
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extern void l1cacheson(void);
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extern void l2cachecfgoff(void);
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extern void l2cachecfgon(void);
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extern void l2cacheon(void);
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extern void l2cacheuinv(void);
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extern void l2cacheuinvse(void*, int);
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extern void l2cacheuwb(void);
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extern void l2cacheuwbinv(void);
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extern void l2cacheuwbinvse(void*, int);
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extern void l2cacheuwbse(void*, int);
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extern void lastresortprint(char *buf, long bp);
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extern int log2(ulong);
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extern void mmuinvalidate(void); /* 'mmu' or 'tlb'? */
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extern void mmuinvalidateaddr(u32int); /* 'mmu' or 'tlb'? */
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extern u32int pidget(void);
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extern void pidput(u32int);
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void procrestore(Proc *);
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void procsave(Proc*);
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void procsetup(Proc*);
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void procfork(Proc*);
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extern void _reset(void);
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extern void setr13(int, u32int*);
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extern int tas(void *);
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extern u32int ttbget(void);
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extern void ttbput(u32int);
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extern void intrclear(int sort, int v);
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extern void intrenable(int sort, int v, void (*f)(Ureg*, void*), void *a, char *name);
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extern void intrdisable(int sort, int v, void (*f)(Ureg*, void*), void* a, char *name);
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extern void vectors(void);
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extern void vtable(void);
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/*
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* Things called in main.
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*/
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extern void clockinit(void);
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extern void i8250console(void);
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extern void links(void);
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extern void mmuinit(void);
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extern void touser(uintptr);
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extern void trapinit(void);
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extern int fpiarm(Ureg*);
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extern int fpudevprocio(Proc*, void*, long, uintptr, int);
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extern void fpuinit(void);
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extern void fpunoted(void);
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extern void fpunotify(Ureg*);
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extern void fpuprocrestore(Proc*);
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extern void fpuprocsave(Proc*);
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extern void fpusysprocsetup(Proc*);
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extern int fpuemu(Ureg*);
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/*
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* Miscellaneous machine dependent stuff.
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*/
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char* getconf(char*);
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uintptr mmukmap(uintptr, uintptr, usize);
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uintptr mmukunmap(uintptr, uintptr, usize);
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extern void* mmuuncache(void*, usize);
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extern void* ucalloc(usize);
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extern void* ucallocalign(usize size, int align, usize span);
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extern void ucfree(void*);
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/*
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* Things called from port.
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*/
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extern void delay(int);
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extern int islo(void);
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extern void microdelay(int); /* only edf.c */
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extern void evenaddr(uintptr);
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extern void idlehands(void);
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extern void setkernur(Ureg*, Proc*); /* only devproc.c */
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extern void spldone(void);
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extern int splfhi(void);
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extern int splflo(void);
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extern void sysprocsetup(Proc*);
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extern int isaconfig(char*, int, ISAConf*); /* only devusb.c */
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int cas32(void*, u32int, u32int);
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int tas32(void*);
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#define CASU(p, e, n) cas32((p), (u32int)(e), (u32int)(n))
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#define CASV(p, e, n) cas32((p), (u32int)(e), (u32int)(n))
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#define CASW(addr, exp, new) cas32((addr), (exp), (new))
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#define TAS(addr) tas32(addr)
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extern void forkret(void);
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extern int userureg(Ureg*);
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void* vmap(uintptr, usize);
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void vunmap(void*, usize);
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#define getpgcolor(a) 0
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#define kmapinval()
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/*
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* this low-level printing stuff is ugly,
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* but there appears to be no other way to
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* print until after #t is populated.
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*/
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#define wave(c) { \
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coherence(); \
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while ((*(ulong *)(PHYSCONS+4*5) & (1<<5)) == 0) /* (x->lsr&LSRthre)==0? */ \
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; \
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*(ulong *)PHYSCONS = (c); \
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coherence(); \
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}
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/*
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* These are not good enough.
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*/
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#define KADDR(pa) ((void*)(KZERO|((uintptr)(pa))))
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#define PADDR(va) (((uintptr)(va)) & ~KSEGM)
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#define MASK(v) ((1UL << (v)) - 1) /* mask `v' bits wide */
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