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[/] [or1k/] [trunk/] [gdb-5.3/] [sim/] [mn10300/] [mn10300_sim.h] - Rev 1773
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#include <stdio.h> #include <ctype.h> #include "ansidecl.h" #include "gdb/callback.h" #include "opcode/mn10300.h" #include <limits.h> #include "gdb/remote-sim.h" #include "bfd.h" #ifndef INLINE #ifdef __GNUC__ #define INLINE inline #else #define INLINE #endif #endif extern host_callback *mn10300_callback; extern SIM_DESC simulator; #define DEBUG_TRACE 0x00000001 #define DEBUG_VALUES 0x00000002 extern int mn10300_debug; #if UCHAR_MAX == 255 typedef unsigned char uint8; typedef signed char int8; #else #error "Char is not an 8-bit type" #endif #if SHRT_MAX == 32767 typedef unsigned short uint16; typedef signed short int16; #else #error "Short is not a 16-bit type" #endif #if INT_MAX == 2147483647 typedef unsigned int uint32; typedef signed int int32; #else # if LONG_MAX == 2147483647 typedef unsigned long uint32; typedef signed long int32; # else # error "Neither int nor long is a 32-bit type" # endif #endif typedef uint32 reg_t; struct simops { long opcode; long mask; void (*func)(); int length; int format; int numops; int operands[16]; }; /* The current state of the processor; registers, memory, etc. */ struct _state { reg_t regs[32]; /* registers, d0-d3, a0-a3, sp, pc, mdr, psw, lir, lar, mdrq, plus some room for processor specific regs. */ uint8 *mem; /* main memory */ int exception; int exited; /* All internal state modified by signal_exception() that may need to be rolled back for passing moment-of-exception image back to gdb. */ reg_t exc_trigger_regs[32]; reg_t exc_suspend_regs[32]; int exc_suspended; #define SIM_CPU_EXCEPTION_TRIGGER(SD,CPU,CIA) mn10300_cpu_exception_trigger(SD,CPU,CIA) #define SIM_CPU_EXCEPTION_SUSPEND(SD,CPU,EXC) mn10300_cpu_exception_suspend(SD,CPU,EXC) #define SIM_CPU_EXCEPTION_RESUME(SD,CPU,EXC) mn10300_cpu_exception_resume(SD,CPU,EXC) }; extern struct _state State; extern uint32 OP[4]; extern struct simops Simops[]; #define PC (State.regs[REG_PC]) #define SP (State.regs[REG_SP]) #define PSW (State.regs[11]) #define PSW_Z 0x1 #define PSW_N 0x2 #define PSW_C 0x4 #define PSW_V 0x8 #define PSW_IE LSBIT (11) #define PSW_LM LSMASK (10, 8) #define EXTRACT_PSW_LM LSEXTRACTED16 (PSW, 10, 8) #define INSERT_PSW_LM(l) LSINSERTED16 ((l), 10, 8) #define REG_D0 0 #define REG_A0 4 #define REG_SP 8 #define REG_PC 9 #define REG_MDR 10 #define REG_PSW 11 #define REG_LIR 12 #define REG_LAR 13 #define REG_MDRQ 14 #define REG_E0 15 #define REG_SSP 23 #define REG_MSP 24 #define REG_USP 25 #define REG_MCRH 26 #define REG_MCRL 27 #define REG_MCVF 28 #if WITH_COMMON /* These definitions conflict with similar macros in common. */ #else #define SEXT3(x) ((((x)&0x7)^(~0x3))+0x4) /* sign-extend a 4-bit number */ #define SEXT4(x) ((((x)&0xf)^(~0x7))+0x8) /* sign-extend a 5-bit number */ #define SEXT5(x) ((((x)&0x1f)^(~0xf))+0x10) /* sign-extend an 8-bit number */ #define SEXT8(x) ((((x)&0xff)^(~0x7f))+0x80) /* sign-extend a 9-bit number */ #define SEXT9(x) ((((x)&0x1ff)^(~0xff))+0x100) /* sign-extend a 16-bit number */ #define SEXT16(x) ((((x)&0xffff)^(~0x7fff))+0x8000) /* sign-extend a 22-bit number */ #define SEXT22(x) ((((x)&0x3fffff)^(~0x1fffff))+0x200000) #define MAX32 0x7fffffffLL #define MIN32 0xff80000000LL #define MASK32 0xffffffffLL #define MASK40 0xffffffffffLL #endif /* not WITH_COMMON */ #ifdef _WIN32 #define SIGTRAP 5 #define SIGQUIT 3 #endif #if WITH_COMMON #define FETCH32(a,b,c,d) \ ((a)+((b)<<8)+((c)<<16)+((d)<<24)) #define FETCH24(a,b,c) \ ((a)+((b)<<8)+((c)<<16)) #define FETCH16(a,b) ((a)+((b)<<8)) #define load_byte(ADDR) \ sim_core_read_unaligned_1 (STATE_CPU (simulator, 0), PC, read_map, (ADDR)) #define load_half(ADDR) \ sim_core_read_unaligned_2 (STATE_CPU (simulator, 0), PC, read_map, (ADDR)) #define load_word(ADDR) \ sim_core_read_unaligned_4 (STATE_CPU (simulator, 0), PC, read_map, (ADDR)) #define store_byte(ADDR, DATA) \ sim_core_write_unaligned_1 (STATE_CPU (simulator, 0), \ PC, write_map, (ADDR), (DATA)) #define store_half(ADDR, DATA) \ sim_core_write_unaligned_2 (STATE_CPU (simulator, 0), \ PC, write_map, (ADDR), (DATA)) #define store_word(ADDR, DATA) \ sim_core_write_unaligned_4 (STATE_CPU (simulator, 0), \ PC, write_map, (ADDR), (DATA)) #endif /* WITH_COMMON */ #if WITH_COMMON #else #define load_mem_big(addr,len) \ (len == 1 ? *((addr) + State.mem) : \ len == 2 ? ((*((addr) + State.mem) << 8) \ | *(((addr) + 1) + State.mem)) : \ len == 3 ? ((*((addr) + State.mem) << 16) \ | (*(((addr) + 1) + State.mem) << 8) \ | *(((addr) + 2) + State.mem)) : \ ((*((addr) + State.mem) << 24) \ | (*(((addr) + 1) + State.mem) << 16) \ | (*(((addr) + 2) + State.mem) << 8) \ | *(((addr) + 3) + State.mem))) static INLINE uint32 load_byte (addr) SIM_ADDR addr; { uint8 *p = (addr & 0xffffff) + State.mem; #ifdef CHECK_ADDR if ((addr & 0xffffff) > max_mem) abort (); #endif return p[0]; } static INLINE uint32 load_half (addr) SIM_ADDR addr; { uint8 *p = (addr & 0xffffff) + State.mem; #ifdef CHECK_ADDR if ((addr & 0xffffff) > max_mem) abort (); #endif return p[1] << 8 | p[0]; } static INLINE uint32 load_3_byte (addr) SIM_ADDR addr; { uint8 *p = (addr & 0xffffff) + State.mem; #ifdef CHECK_ADDR if ((addr & 0xffffff) > max_mem) abort (); #endif return p[2] << 16 | p[1] << 8 | p[0]; } static INLINE uint32 load_word (addr) SIM_ADDR addr; { uint8 *p = (addr & 0xffffff) + State.mem; #ifdef CHECK_ADDR if ((addr & 0xffffff) > max_mem) abort (); #endif return p[3] << 24 | p[2] << 16 | p[1] << 8 | p[0]; } static INLINE uint32 load_mem (addr, len) SIM_ADDR addr; int len; { uint8 *p = (addr & 0xffffff) + State.mem; #ifdef CHECK_ADDR if ((addr & 0xffffff) > max_mem) abort (); #endif switch (len) { case 1: return p[0]; case 2: return p[1] << 8 | p[0]; case 3: return p[2] << 16 | p[1] << 8 | p[0]; case 4: return p[3] << 24 | p[2] << 16 | p[1] << 8 | p[0]; default: abort (); } } static INLINE void store_byte (addr, data) SIM_ADDR addr; uint32 data; { uint8 *p = (addr & 0xffffff) + State.mem; #ifdef CHECK_ADDR if ((addr & 0xffffff) > max_mem) abort (); #endif p[0] = data; } static INLINE void store_half (addr, data) SIM_ADDR addr; uint32 data; { uint8 *p = (addr & 0xffffff) + State.mem; #ifdef CHECK_ADDR if ((addr & 0xffffff) > max_mem) abort (); #endif p[0] = data; p[1] = data >> 8; } static INLINE void store_3_byte (addr, data) SIM_ADDR addr; uint32 data; { uint8 *p = (addr & 0xffffff) + State.mem; #ifdef CHECK_ADDR if ((addr & 0xffffff) > max_mem) abort (); #endif p[0] = data; p[1] = data >> 8; p[2] = data >> 16; } static INLINE void store_word (addr, data) SIM_ADDR addr; uint32 data; { uint8 *p = (addr & 0xffffff) + State.mem; #ifdef CHECK_ADDR if ((addr & 0xffffff) > max_mem) abort (); #endif p[0] = data; p[1] = data >> 8; p[2] = data >> 16; p[3] = data >> 24; } #endif /* not WITH_COMMON */ /* Function declarations. */ uint32 get_word PARAMS ((uint8 *)); uint16 get_half PARAMS ((uint8 *)); uint8 get_byte PARAMS ((uint8 *)); void put_word PARAMS ((uint8 *, uint32)); void put_half PARAMS ((uint8 *, uint16)); void put_byte PARAMS ((uint8 *, uint8)); extern uint8 *map PARAMS ((SIM_ADDR addr)); INLINE_SIM_MAIN (void) genericAdd PARAMS ((unsigned32 source, unsigned32 destReg)); INLINE_SIM_MAIN (void) genericSub PARAMS ((unsigned32 source, unsigned32 destReg)); INLINE_SIM_MAIN (void) genericCmp PARAMS ((unsigned32 leftOpnd, unsigned32 rightOpnd)); INLINE_SIM_MAIN (void) genericOr PARAMS ((unsigned32 source, unsigned32 destReg)); INLINE_SIM_MAIN (void) genericXor PARAMS ((unsigned32 source, unsigned32 destReg)); INLINE_SIM_MAIN (void) genericBtst PARAMS ((unsigned32 leftOpnd, unsigned32 rightOpnd)); INLINE_SIM_MAIN (int) syscall_read_mem PARAMS ((host_callback *cb, struct cb_syscall *sc, unsigned long taddr, char *buf, int bytes)); INLINE_SIM_MAIN (int) syscall_write_mem PARAMS ((host_callback *cb, struct cb_syscall *sc, unsigned long taddr, const char *buf, int bytes)); INLINE_SIM_MAIN (void) do_syscall PARAMS ((void)); void program_interrupt (SIM_DESC sd, sim_cpu *cpu, sim_cia cia, SIM_SIGNAL sig); void mn10300_cpu_exception_trigger(SIM_DESC sd, sim_cpu* cpu, address_word pc); void mn10300_cpu_exception_suspend(SIM_DESC sd, sim_cpu* cpu, int exception); void mn10300_cpu_exception_resume(SIM_DESC sd, sim_cpu* cpu, int exception);
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