mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
389 lines
8.6 KiB
C
389 lines
8.6 KiB
C
#ifndef SIM_MAIN_H
|
|
#define SIM_MAIN_H
|
|
|
|
/* General config options */
|
|
|
|
#define WITH_CORE
|
|
#define WITH_MODULO_MEMORY 1
|
|
#define WITH_WATCHPOINTS 1
|
|
|
|
|
|
/* The v850 has 32bit words, numbered 31 (MSB) to 0 (LSB) */
|
|
|
|
#define WITH_TARGET_WORD_MSB 31
|
|
|
|
|
|
#include "sim-basics.h"
|
|
#include "sim-signal.h"
|
|
|
|
typedef address_word sim_cia;
|
|
|
|
#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 */
|
|
} v850_regs;
|
|
|
|
struct _sim_cpu
|
|
{
|
|
/* ... simulator specific members ... */
|
|
v850_regs reg;
|
|
reg_t psw_mask; /* only allow non-reserved bits to be set */
|
|
sim_event *pending_nmi;
|
|
/* ... base type ... */
|
|
sim_cpu_base base;
|
|
};
|
|
|
|
#define CIA_GET(CPU) ((CPU)->reg.pc + 0)
|
|
#define CIA_SET(CPU,VAL) ((CPU)->reg.pc = (VAL))
|
|
|
|
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
|
|
|
|
|
|
/* 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])
|
|
#define CTPC (SR[16])
|
|
#define CTPSW (SR[17])
|
|
#define DBPC (State.sregs[18])
|
|
#define DBPSW (State.sregs[19])
|
|
#define CTBP (State.sregs[20])
|
|
|
|
#define PSW_US BIT32 (8)
|
|
#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)
|
|
|
|
/* Function declarations. */
|
|
|
|
#define IMEM16(EA) \
|
|
sim_core_read_aligned_2 (CPU, PC, exec_map, (EA))
|
|
|
|
#define IMEM16_IMMED(EA,N) \
|
|
sim_core_read_aligned_2 (STATE_CPU (sd, 0), \
|
|
PC, exec_map, (EA) + (N) * 2)
|
|
|
|
#define load_mem(ADDR,LEN) \
|
|
sim_core_read_unaligned_##LEN (STATE_CPU (simulator, 0), \
|
|
PC, read_map, (ADDR))
|
|
|
|
#define store_mem(ADDR,LEN,DATA) \
|
|
sim_core_write_unaligned_##LEN (STATE_CPU (simulator, 0), \
|
|
PC, write_map, (ADDR), (DATA))
|
|
|
|
|
|
/* compare cccc field against PSW */
|
|
int condition_met (unsigned code);
|
|
|
|
|
|
/* 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,
|
|
OP_BIT_CHANGE,
|
|
OP_REG_REG_REG,
|
|
OP_REG_REG3,
|
|
OP_IMM_REG_REG_REG,
|
|
OP_PUSHPOP1,
|
|
OP_PUSHPOP2,
|
|
OP_PUSHPOP3,
|
|
};
|
|
|
|
#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 int trace_module;
|
|
|
|
#define TRACE_BRANCH0() \
|
|
do { \
|
|
if (TRACE_BRANCH_P (CPU)) { \
|
|
trace_module = TRACE_BRANCH_IDX; \
|
|
trace_pc = cia; \
|
|
trace_name = itable[MY_INDEX].name; \
|
|
trace_num_values = 0; \
|
|
trace_result (1, (nia)); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TRACE_BRANCH1(IN1) \
|
|
do { \
|
|
if (TRACE_BRANCH_P (CPU)) { \
|
|
trace_module = TRACE_BRANCH_IDX; \
|
|
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 = TRACE_BRANCH_IDX; \
|
|
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 = TRACE_BRANCH_IDX; \
|
|
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)
|
|
|
|
#define TRACE_LD(ADDR,RESULT) \
|
|
do { \
|
|
if (TRACE_MEMORY_P (CPU)) { \
|
|
trace_module = TRACE_MEMORY_IDX; \
|
|
trace_pc = cia; \
|
|
trace_name = itable[MY_INDEX].name; \
|
|
trace_values[0] = (ADDR); \
|
|
trace_num_values = 1; \
|
|
trace_result (1, (RESULT)); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TRACE_LD_NAME(NAME, ADDR,RESULT) \
|
|
do { \
|
|
if (TRACE_MEMORY_P (CPU)) { \
|
|
trace_module = TRACE_MEMORY_IDX; \
|
|
trace_pc = cia; \
|
|
trace_name = (NAME); \
|
|
trace_values[0] = (ADDR); \
|
|
trace_num_values = 1; \
|
|
trace_result (1, (RESULT)); \
|
|
} \
|
|
} while (0)
|
|
|
|
#define TRACE_ST(ADDR,RESULT) \
|
|
do { \
|
|
if (TRACE_MEMORY_P (CPU)) { \
|
|
trace_module = TRACE_MEMORY_IDX; \
|
|
trace_pc = cia; \
|
|
trace_name = itable[MY_INDEX].name; \
|
|
trace_values[0] = (ADDR); \
|
|
trace_num_values = 1; \
|
|
trace_result (1, (RESULT)); \
|
|
} \
|
|
} 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(IN0)
|
|
#define TRACE_ALU_INPUT2(IN0, IN1)
|
|
#define TRACE_ALU_INPUT2(IN0, IN1)
|
|
#define TRACE_ALU_INPUT2(IN0, IN1 INS2)
|
|
#define TRACE_ALU_RESULT(RESULT)
|
|
|
|
#define TRACE_BRANCH0()
|
|
#define TRACE_BRANCH1(IN1)
|
|
#define TRACE_BRANCH2(IN1, IN2)
|
|
#define TRACE_BRANCH2(IN1, IN2, IN3)
|
|
|
|
#define TRACE_LD(ADDR,RESULT)
|
|
#define TRACE_ST(ADDR,RESULT)
|
|
|
|
#endif
|
|
|
|
|
|
extern void divun ( unsigned int N,
|
|
unsigned long int als,
|
|
unsigned long int sfi,
|
|
unsigned32 /*unsigned long int*/ * quotient_ptr,
|
|
unsigned32 /*unsigned long int*/ * remainder_ptr,
|
|
boolean * overflow_ptr
|
|
);
|
|
extern void divn ( unsigned int N,
|
|
unsigned long int als,
|
|
unsigned long int sfi,
|
|
signed32 /*signed long int*/ * quotient_ptr,
|
|
signed32 /*signed long int*/ * remainder_ptr,
|
|
boolean * overflow_ptr
|
|
);
|
|
extern int type1_regs[];
|
|
extern int type2_regs[];
|
|
extern int type3_regs[];
|
|
|
|
#endif
|