d94ffb4808
this simplifies the arm ports and keeps all the stuff in one place instead of spreading it thru notify(), trap() and syscall() functions and prevents useless fp state copying for kernel procs. also make sure to save fp in notify while still splhi().
201 lines
5.6 KiB
C
201 lines
5.6 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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extern char* getenv(char*, char*, int);
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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, int span);
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extern Block* ucallocb(int);
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extern void ucfree(void*);
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extern void ucfreeb(Block*);
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extern Block* uciallocb(int);
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/*
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* Things called from port.
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*/
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extern void delay(int); /* only scheddump() */
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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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/*
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* PCI
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*/
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ulong pcibarsize(Pcidev*, int);
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void pcibussize(Pcidev*, ulong*, ulong*);
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int pcicfgr8(Pcidev*, int);
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int pcicfgr16(Pcidev*, int);
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int pcicfgr32(Pcidev*, int);
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void pcicfgw8(Pcidev*, int, int);
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void pcicfgw16(Pcidev*, int, int);
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void pcicfgw32(Pcidev*, int, int);
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void pciclrbme(Pcidev*);
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void pciclrioe(Pcidev*);
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void pciclrmwi(Pcidev*);
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int pcigetpms(Pcidev*);
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void pcihinv(Pcidev*);
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uchar pciipin(Pcidev*, uchar);
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Pcidev* pcimatch(Pcidev*, int, int);
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Pcidev* pcimatchtbdf(int);
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void pcireset(void);
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int pciscan(int, Pcidev**);
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void pcisetbme(Pcidev*);
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void pcisetioe(Pcidev*);
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void pcisetmwi(Pcidev*);
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int pcisetpms(Pcidev*, int);
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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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extern void kexit(Ureg*);
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#define getpgcolor(a) 0
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#define kmapinval()
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#define PTR2UINT(p) ((uintptr)(p))
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#define UINT2PTR(i) ((void*)(i))
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#define waserror() (up->nerrlab++, setlabel(&up->errlab[up->nerrlab-1]))
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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) UINT2PTR(KZERO|((uintptr)(pa)))
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#define PADDR(va) PTR2UINT(((uintptr)(va)) & ~KSEGM)
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#define MASK(v) ((1UL << (v)) - 1) /* mask `v' bits wide */
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