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#define WITH_CORE
#define WITH_MODULO_MEMORY 1
#define WITH_WATCHPOINTS 1
#define WITH_TARGET_WORD_MSB 31
#include "sim-basics.h"
#include <signal.h>
typedef address_word sim_cia;
/* This simulator doesn't cache state */
#define SIM_ENGINE_HALT_HOOK(sd,last_cpu,cia) while (0)
#define SIM_ENGINE_RESTART_HOOK(sd,last_cpu,cia) while (0)
/* Get the number of instructions. FIXME: must be a more elegant way
of doing this. */
#include "itable.h"
#define MAX_INSNS (nr_itable_entries)
#define INSN_NAME(i) itable[(i)].name
#include "sim-base.h"
#include "simops.h"
#include "bfd.h"
typedef signed8 int8;
typedef unsigned8 uint8;
typedef signed16 int16;
typedef unsigned16 uint16;
typedef signed32 int32;
typedef unsigned32 uint32;
typedef unsigned32 reg_t;
/* The current state of the processor; registers, memory, etc. */
typedef struct _v850_regs {
reg_t regs[32]; /* general-purpose registers */
reg_t sregs[32]; /* system registers, including psw */
reg_t pc;
int dummy_mem; /* where invalid accesses go */
int pending_nmi;
} v850_regs;
struct _sim_cpu
{
/* ... simulator specific members ... */
v850_regs reg;
reg_t psw_mask; /* only allow non-reserved bits to be set */
/* ... base type ... */
sim_cpu_base base;
};
#define CPU_CIA(CPU) ((CPU)->reg.pc)
struct sim_state {
sim_cpu cpu[MAX_NR_PROCESSORS];
#if (WITH_SMP)
#define STATE_CPU(sd,n) (&(sd)->cpu[n])
#else
#define STATE_CPU(sd,n) (&(sd)->cpu[0])
#endif
#if 0
SIM_ADDR rom_size;
SIM_ADDR low_end;
SIM_ADDR high_start;
SIM_ADDR high_base;
void *mem;
#endif
sim_state_base base;
};
/* For compatibility, until all functions converted to passing
SIM_DESC as an argument */
extern SIM_DESC simulator;
#define V850_ROM_SIZE 0x8000
#define V850_LOW_END 0x200000
#define V850_HIGH_START 0xffe000
#define SIG_V850_EXIT -1 /* indication of a normal exit */
/* Because we are still using the old semantic table, provide compat
macro's that store the instruction where the old simops expects
it. */
extern uint32 OP[4];
#if 0
OP[0] = inst & 0x1f; /* RRRRR -> reg1 */
OP[1] = (inst >> 11) & 0x1f; /* rrrrr -> reg2 */
OP[2] = (inst >> 16) & 0xffff; /* wwwww -> reg3 OR imm16 */
OP[3] = inst;
#endif
#define SAVE_1 \
PC = cia; \
OP[0] = instruction_0 & 0x1f; \
OP[1] = (instruction_0 >> 11) & 0x1f; \
OP[2] = 0; \
OP[3] = instruction_0
#define COMPAT_1(CALL) \
SAVE_1; \
PC += (CALL); \
nia = PC
#define SAVE_2 \
PC = cia; \
OP[0] = instruction_0 & 0x1f; \
OP[1] = (instruction_0 >> 11) & 0x1f; \
OP[2] = instruction_1; \
OP[3] = (instruction_1 << 16) | instruction_0
#define COMPAT_2(CALL) \
SAVE_2; \
PC += (CALL); \
nia = PC
/* new */
#define GR ((CPU)->reg.regs)
#define SR ((CPU)->reg.sregs)
/* old */
#define State (STATE_CPU (simulator, 0)->reg)
#define PC (State.pc)
#define SP (State.regs[3])
#define EP (State.regs[30])
#define EIPC (State.sregs[0])
#define EIPSW (State.sregs[1])
#define FEPC (State.sregs[2])
#define FEPSW (State.sregs[3])
#define ECR (State.sregs[4])
#define PSW (State.sregs[5])
/* start-sanitize-v850e */
#define CTPC (SR[16])
#define CTPSW (SR[17])
/* end-sanitize-v850e */
#define DBPC (State.sregs[18])
#define DBPSW (State.sregs[19])
/* start-sanitize-v850e */
#define CTBP (State.sregs[20])
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
#define PSW_US BIT32 (8)
/* end-sanitize-v850eq */
#define PSW_NP 0x80
#define PSW_EP 0x40
#define PSW_ID 0x20
#define PSW_SAT 0x10
#define PSW_CY 0x8
#define PSW_OV 0x4
#define PSW_S 0x2
#define PSW_Z 0x1
#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 a 9-bit number */
#define SEXT9(x) ((((x)&0x1ff)^(~0xff))+0x100)
/* sign-extend a 22-bit number */
#define SEXT22(x) ((((x)&0x3fffff)^(~0x1fffff))+0x200000)
/* sign extend a 40 bit number */
#define SEXT40(x) ((((x) & UNSIGNED64 (0xffffffffff)) \
^ (~UNSIGNED64 (0x7fffffffff))) \
+ UNSIGNED64 (0x8000000000))
/* sign extend a 44 bit number */
#define SEXT44(x) ((((x) & UNSIGNED64 (0xfffffffffff)) \
^ (~ UNSIGNED64 (0x7ffffffffff))) \
+ UNSIGNED64 (0x80000000000))
/* sign extend a 60 bit number */
#define SEXT60(x) ((((x) & UNSIGNED64 (0xfffffffffffffff)) \
^ (~ UNSIGNED64 (0x7ffffffffffffff))) \
+ UNSIGNED64 (0x800000000000000))
/* No sign extension */
#define NOP(x) (x)
#define INC_ADDR(x,i) x = ((State.MD && x == MOD_E) ? MOD_S : (x)+(i))
#define RLW(x) load_mem (x, 4)
#ifdef _WIN32
#ifndef SIGTRAP
#define SIGTRAP 5
#endif
#ifndef SIGQUIT
#define SIGQUIT 3
#endif
#endif
/* Function declarations. */
#define IMEM(EA) \
sim_core_read_aligned_2 (STATE_CPU (sd, 0), \
PC, sim_core_execute_map, (EA))
#define IMEM_IMMED(EA,N) \
sim_core_read_aligned_2 (STATE_CPU (sd, 0), \
PC, sim_core_execute_map, (EA) + (N) * 2)
#define load_mem(ADDR,LEN) \
sim_core_read_unaligned_##LEN (STATE_CPU (simulator, 0), \
PC, sim_core_read_map, (ADDR))
#define store_mem(ADDR,LEN,DATA) \
sim_core_write_unaligned_##LEN (STATE_CPU (simulator, 0), \
PC, sim_core_write_map, (ADDR), (DATA))
/* Debug/tracing calls */
enum op_types
{
OP_UNKNOWN,
OP_NONE,
OP_TRAP,
OP_REG,
OP_REG_REG,
OP_REG_REG_CMP,
OP_REG_REG_MOVE,
OP_IMM_REG,
OP_IMM_REG_CMP,
OP_IMM_REG_MOVE,
OP_COND_BR,
OP_LOAD16,
OP_STORE16,
OP_LOAD32,
OP_STORE32,
OP_JUMP,
OP_IMM_REG_REG,
OP_UIMM_REG_REG,
OP_IMM16_REG_REG,
OP_UIMM16_REG_REG,
OP_BIT,
OP_EX1,
OP_EX2,
OP_LDSR,
OP_STSR,
/* start-sanitize-v850e */
OP_BIT_CHANGE,
OP_REG_REG_REG,
OP_REG_REG3,
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
OP_IMM_REG_REG_REG,
OP_PUSHPOP1,
OP_PUSHPOP2,
OP_PUSHPOP3,
/* end-sanitize-v850eq */
};
#ifdef DEBUG
void trace_input PARAMS ((char *name, enum op_types type, int size));
void trace_output PARAMS ((enum op_types result));
void trace_result PARAMS ((int has_result, unsigned32 result));
extern int trace_num_values;
extern unsigned32 trace_values[];
extern unsigned32 trace_pc;
extern const char *trace_name;
extern const char *trace_module;
#define TRACE_ALU_INPUT0() \
do { \
if (TRACE_ALU_P (CPU)) { \
trace_module = "alu"; \
trace_pc = cia; \
trace_name = itable[MY_INDEX].name; \
trace_num_values = 0; \
} \
} while (0)
#define TRACE_ALU_INPUT1(IN1) \
do { \
if (TRACE_ALU_P (CPU)) { \
trace_module = "alu"; \
trace_pc = cia; \
trace_name = itable[MY_INDEX].name; \
trace_values[0] = (IN1); \
trace_num_values = 1; \
} \
} while (0)
#define TRACE_ALU_INPUT2(IN1, IN2) \
do { \
if (TRACE_ALU_P (CPU)) { \
trace_module = "alu"; \
trace_pc = cia; \
trace_name = itable[MY_INDEX].name; \
trace_values[0] = (IN1); \
trace_values[1] = (IN2); \
trace_num_values = 2; \
} \
} while (0)
#define TRACE_ALU_RESULT(RESULT) \
do { \
if (TRACE_ALU_P (CPU)) { \
trace_result (1, (RESULT)); \
} \
} while (0)
#define TRACE_BRANCH1(IN1) \
do { \
if (TRACE_BRANCH_P (CPU)) { \
trace_module = "branch"; \
trace_pc = cia; \
trace_name = itable[MY_INDEX].name; \
trace_values[0] = (IN1); \
trace_num_values = 1; \
trace_result (1, (nia)); \
} \
} while (0)
#define TRACE_BRANCH2(IN1, IN2) \
do { \
if (TRACE_BRANCH_P (CPU)) { \
trace_module = "branch"; \
trace_pc = cia; \
trace_name = itable[MY_INDEX].name; \
trace_values[0] = (IN1); \
trace_values[1] = (IN2); \
trace_num_values = 2; \
trace_result (1, (nia)); \
} \
} while (0)
#define TRACE_BRANCH3(IN1, IN2, IN3) \
do { \
if (TRACE_BRANCH_P (CPU)) { \
trace_module = "branch"; \
trace_pc = cia; \
trace_name = itable[MY_INDEX].name; \
trace_values[0] = (IN1); \
trace_values[1] = (IN2); \
trace_values[2] = (IN3); \
trace_num_values = 3; \
trace_result (1, (nia)); \
} \
} while (0)
#else
#define trace_input(NAME, IN1, IN2)
#define trace_output(RESULT)
#define trace_result(HAS_RESULT, RESULT)
#define TRACE_ALU_INPUT0()
#define TRACE_ALU_INPUT1(IN1)
#define TRACE_ALU_INPUT2(IN1, IN2)
#define TRACE_ALU_RESULT(RESULT)
#define TRACE_BRANCH1(IN1)
#define TRACE_BRANCH2(IN1, IN2)
#define TRACE_BRANCH2(IN1, IN2, IN3)
#endif
/* start-sanitize-v850eq */
extern void divun ( unsigned int N,
unsigned long int als,
unsigned long int sfi,
unsigned long int * quotient_ptr,
unsigned long int * remainder_ptr,
boolean * overflow_ptr
);
extern void divn ( unsigned int N,
unsigned long int als,
unsigned long int sfi,
signed long int * quotient_ptr,
signed long int * remainder_ptr,
boolean * overflow_ptr
);
/* end-sanitize-v850eq */
/* start-sanitize-v850e */
extern int type1_regs[];
extern int type2_regs[];
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
extern int type3_regs[];
/* end-sanitize-v850eq */
|
