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().
179 lines
5.2 KiB
C
179 lines
5.2 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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#pragma varargck argpos _uartprint 1
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extern void archreboot(void);
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extern void archreset(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 cacheinfo(int level, Memcache *cp);
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extern void cacheuwbinv(void);
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extern uintptr cankaddr(uintptr pa);
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extern void chkmissing(void);
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extern void clockshutdown(void);
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extern int clz(ulong);
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extern int cmpswap(long*, long, long);
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extern void coherence(void);
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extern void configscreengpio(void);
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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 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 void dmainit(void);
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extern int dmastart(void *, int, void *, int, uint, Rendez *, int *);
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extern void dmatest(void);
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extern u32int farget(void);
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extern ulong fprd(int fpreg);
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extern void fpwr(int fpreg, ulong val);
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extern u32int fsrget(void);
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extern u32int getscr(void);
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extern u32int getpsr(void);
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extern ulong getwayssets(void);
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extern u32int ifsrget(void);
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extern void intrsoff(void);
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extern int isaconfig(char*, int, ISAConf*);
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extern int isdmadone(int);
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extern int ispow2(uvlong);
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extern void l2cacheuinv(void);
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extern void l2cacheuwb(void);
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extern void l2cacheuwbinv(void);
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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 machinit(void);
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extern void mmuidmap(uintptr phys, int mbs);
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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 void mousectl(Cmdbuf *cb);
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extern u32int pidget(void);
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extern void pidput(u32int);
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extern vlong probeaddr(uintptr);
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extern void procrestore(Proc *);
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extern void procsave(Proc*);
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extern void procsetup(Proc*);
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extern void procfork(Proc*);
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extern void _reset(void);
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extern void screenclockson(void);
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extern void screeninit(void);
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extern void serialputs(char* s, int n);
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extern void setcachelvl(int);
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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 watchdoginit(void);
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extern int irqenable(int, void (*)(Ureg*, void*), void*, char*);
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extern int irqdisable(int, void (*)(Ureg*, void*), void*, char*);
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#define intrenable(i, f, a, b, n) irqenable((i), (f), (a), (n))
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#define intrdisable(i, f, a, b, n) irqdisable((i), (f), (a), (n))
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extern void vectors(void);
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extern void vtable(void);
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/* dregs, going away */
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extern int inb(int);
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extern void outb(int, int);
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/*
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* Things called in main.
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*/
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extern void archconfinit(void);
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extern void clockinit(void);
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extern int 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 void fpuprocfork(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 Block* ucallocb(int);
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extern void* ucallocalign(usize size, int align, int span);
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extern void ucfree(void*);
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extern void ucfreeb(Block*);
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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* sysexecregs(uintptr, ulong, int);
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extern void sysprocsetup(Proc*);
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/*
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* PCI stuff.
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*/
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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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#define KADDR(pa) UINT2PTR(KZERO | ((uintptr)(pa) & ~KSEGM))
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#define PADDR(va) PTR2UINT(PHYSDRAM | ((uintptr)(va) & ~KSEGM))
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#define wave(c) *(ulong *)PHYSCONS = (c)
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#define MASK(v) ((1UL << (v)) - 1) /* mask `v' bits wide */
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