projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 2934d1c9 MH |
1 | #include <stdio.h> |
| 2 | #include <ctype.h> | |
| 3 | #include "ansidecl.h" | |
| 4 | #include "opcode/d10v.h" | |
| 5 | ||
| 6 | /* FIXME: host defines */ | |
| 7 | typedef unsigned char uint8; | |
| 8 | typedef unsigned short uint16; | |
| 9 | typedef unsigned int uint32; | |
| 10 | typedef signed char int8; | |
| 11 | typedef signed short int16; | |
| 12 | typedef signed int int32; | |
| 13 | typedef signed long long int64; | |
| 14 | ||
| 15 | /* FIXME: D10V defines */ | |
| 16 | typedef uint16 reg_t; | |
| 17 | ||
| 18 | struct simops | |
| 19 | { | |
| 20 | long opcode; | |
| 21 | long mask; | |
| 22 | int format; | |
| 23 | int cycles; | |
| 24 | int unit; | |
| 25 | int exec_type; | |
| 26 | void (*func)(); | |
| 27 | int numops; | |
| 28 | int operands[9]; | |
| 29 | }; | |
| 30 | ||
| 31 | struct _state | |
| 32 | { | |
| 33 | reg_t regs[16]; /* general-purpose registers */ | |
| 34 | reg_t cregs[15]; /* control registers */ | |
| 35 | int64 a[2]; /* accumulators */ | |
| 36 | uint8 SM; | |
| 37 | uint8 EA; | |
| 38 | uint8 DB; | |
| 39 | uint8 IE; | |
| 40 | uint8 RP; | |
| 41 | uint8 MD; | |
| 42 | uint8 FX; | |
| 43 | uint8 ST; | |
| 44 | uint8 F0; | |
| 45 | uint8 F1; | |
| 46 | uint8 C; | |
| 47 | uint8 exe; | |
| 48 | uint8 *imem; | |
| 49 | uint8 *dmem; | |
| 50 | } State; | |
| 51 | ||
| 52 | extern uint16 OP[4]; | |
| 53 | extern struct simops Simops[]; | |
| 54 | ||
| 55 | #define PC (State.cregs[2]) | |
| 56 | #define PSW (State.cregs[0]) | |
| 57 | #define BPSW (State.cregs[1]) | |
| 58 | #define BPC (State.cregs[3]) | |
| 59 | #define RPT_C (State.cregs[7]) | |
| 60 | #define RPT_S (State.cregs[8]) | |
| 61 | #define RPT_E (State.cregs[9]) | |
| 62 | #define MOD_S (State.cregs[10]) | |
| 63 | #define MOD_E (State.cregs[11]) | |
| 64 | #define IBA (State.cregs[14]) | |
| 65 | ||
| 66 | #define SEXT3(x) ((((x)&0x7)^(~3))+4) | |
| 67 | ||
| 68 | /* sign-extend a 4-bit number */ | |
| 69 | #define SEXT4(x) ((((x)&0xf)^(~7))+8) | |
| 70 | ||
| 71 | /* sign-extend an 8-bit number */ | |
| 72 | #define SEXT8(x) ((((x)&0xff)^(~0x7f))+0x80) | |
| 73 | ||
| 74 | /* sign-extend a 16-bit number */ | |
| 75 | #define SEXT16(x) ((((x)&0xffff)^(~0x7fff))+0x8000) | |
| 76 | ||
| 77 | #define BIT40 0x8000000000LL | |
| 78 | #define BIT44 0x80000000000LL | |
| 79 | #define MAX32 0x7fffffffLL | |
| 80 | #define MIN32 0xff80000000LL | |
| 81 | #define MASK32 0xffffffffLL | |
| 82 | #define MASK40 0xffffffffffLL | |
| 83 | #define MASK44 0xfffffffffffLL | |
| 84 | ||
| 85 | ||
| 86 | #define RB(x) (*((uint8 *)((x)+State.imem))) | |
| 87 | ||
| 88 | #ifdef WORDS_BIGENDIAN | |
| 89 | ||
| 90 | #define RW(x) (*((uint16 *)((x)+State.imem))) | |
| 91 | #define RLW(x) (*((uint32 *)((x)+State.imem))) | |
| 92 | #define SW(addr,data) RW(addr)=data | |
| 93 | ||
| 94 | #else | |
| 95 | ||
| 96 | uint32 get_longword_swap PARAMS ((uint16 x)); | |
| 97 | uint16 get_word_swap PARAMS ((uint16 x)); | |
| 98 | void write_word_swap PARAMS ((uint16 addr, uint16 data)); | |
| 99 | ||
| 100 | #define SW(addr,data) write_word_swap(addr,data) | |
| 101 | #define RW(x) get_word_swap(x) | |
| 102 | #define RLW(x) get_longword_swap(x) | |
| 103 | ||
| 104 | #endif /* not WORDS_BIGENDIAN */ |