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- /*
- * arm.h
- */
- #ifndef EXTERN
- #define EXTERN extern
- #endif
- typedef struct Registers Registers;
- typedef struct Segment Segment;
- typedef struct Memory Memory;
- typedef struct Mul Mul;
- typedef struct Mulu Mulu;
- typedef struct Inst Inst;
- typedef struct Icache Icache;
- typedef struct Tlb Tlb;
- typedef struct Breakpoint Breakpoint;
- enum
- {
- Instruction = 1,
- Read = 2,
- Write = 4,
- Access = 2|4,
- Equal = 4|8,
- };
- struct Breakpoint
- {
- int type; /* Instruction/Read/Access/Write/Equal */
- ulong addr; /* Place at address */
- int count; /* To execute count times or value */
- int done; /* How many times passed through */
- Breakpoint* next; /* Link to next one */
- };
- enum
- {
- Imem,
- Iarith,
- Ibranch,
- Isyscall,
- };
- enum
- {
- Nmaxtlb = 64,
- REGARG = 0,
- REGRET = 0,
- REGPC = 15,
- REGLINK = 14,
- REGSP = 13,
- };
- struct Tlb
- {
- int on; /* Being updated */
- int tlbsize; /* Number of entries */
- ulong tlbent[Nmaxtlb]; /* Virtual address tags */
- int hit; /* Number of successful tag matches */
- int miss; /* Number of failed tag matches */
- };
- struct Icache
- {
- int on; /* Turned on */
- int linesize; /* Line size in bytes */
- int stall; /* Cache stalls */
- int* lines; /* Tag array */
- int* (*hash)(ulong); /* Hash function */
- char* hashtext; /* What the function looks like */
- };
- struct Inst
- {
- void (*func)(ulong);
- char* name;
- int type;
- int count;
- int taken;
- int useddelay;
- };
- struct Registers
- {
- ulong ar;
- ulong ir;
- Inst* ip;
- long r[16];
- long cc1;
- long cc2;
- int class;
- int cond;
- int compare_op;
- int cbit;
- int cout;
- };
- enum
- {
- FPd = 0,
- FPs,
- FPmemory,
- };
- enum
- {
- MemRead,
- MemReadstring,
- MemWrite,
- };
- enum
- {
- CCcmp,
- CCtst,
- CCteq,
- };
- enum
- {
- Stack,
- Text,
- Data,
- Bss,
- Nseg,
- };
- struct Segment
- {
- short type;
- ulong base;
- ulong end;
- ulong fileoff;
- ulong fileend;
- int rss;
- int refs;
- uchar** table;
- };
- struct Memory
- {
- Segment seg[Nseg];
- };
- void Ssyscall(ulong);
- int armclass(long);
- void breakpoint(char*, char*);
- void brkchk(ulong, int);
- void cmd(void);
- void delbpt(char*);
- void dobplist(void);
- void dumpdreg(void);
- void dumpfreg(void);
- void dumpreg(void);
- void* emalloc(ulong);
- void* erealloc(void*, ulong, ulong);
- ulong expr(char*);
- void fatal(int, char*, ...);
- ulong getmem_2(ulong);
- ulong getmem_4(ulong);
- uchar getmem_b(ulong);
- ushort getmem_h(ulong);
- uvlong getmem_v(ulong);
- ulong getmem_w(ulong);
- ulong ifetch(ulong);
- void inithdr(int);
- void initicache(void);
- void initmap(void);
- void initstk(int, char**);
- void iprofile(void);
- void isum(void);
- void itrace(char*, ...);
- long lnrand(long);
- char* memio(char*, ulong, int, int);
- int _mipscoinst(Map*, ulong, char*, int);
- Mul mul(long, long);
- Mulu mulu(ulong, ulong);
- char* nextc(char*);
- void printlocals(Symbol*, ulong);
- void printparams(Symbol*, ulong);
- void printsource(long);
- void procinit(int);
- void putmem_b(ulong, uchar);
- void putmem_h(ulong, ushort);
- void putmem_v(ulong, uvlong);
- void putmem_w(ulong, ulong);
- void reset(void);
- void run(void);
- void segsum(void);
- void stktrace(int);
- void tlbsum(void);
- void undef(ulong);
- void updateicache(ulong addr);
- void* vaddr(ulong);
- /* Globals */
- EXTERN Registers reg;
- EXTERN Memory memory;
- EXTERN int text;
- EXTERN int trace;
- EXTERN int sysdbg;
- EXTERN int calltree;
- EXTERN Inst itab[];
- EXTERN Inst ispec[];
- EXTERN Icache icache;
- EXTERN Tlb tlb;
- EXTERN int count;
- EXTERN jmp_buf errjmp;
- EXTERN Breakpoint* bplist;
- EXTERN int atbpt;
- EXTERN int membpt;
- EXTERN int cmdcount;
- EXTERN int nopcount;
- EXTERN ulong dot;
- EXTERN char* file;
- EXTERN Biobuf* bioout;
- EXTERN Biobuf* bin;
- EXTERN ulong* iprof;
- EXTERN int datasize;
- EXTERN Map* symmap;
- /* Plan9 Kernel constants */
- enum
- {
- BY2PG = 4096,
- BY2WD = 4,
- UTZERO = 0x1000,
- STACKTOP = 0x80000000,
- STACKSIZE = 0x10000,
- PROFGRAN = 4,
- Sbit = 1<<20,
- SIGNBIT = 0x80000000,
- FP_U = 3,
- FP_L = 1,
- FP_G = 2,
- FP_E = 0,
- FP_CBIT = 1<<23,
- };
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