diff options
Diffstat (limited to 'sim/d10v/d10v_sim.h')
-rw-r--r-- | sim/d10v/d10v_sim.h | 452 |
1 files changed, 452 insertions, 0 deletions
diff --git a/sim/d10v/d10v_sim.h b/sim/d10v/d10v_sim.h new file mode 100644 index 00000000000..ca7e02ec9c5 --- /dev/null +++ b/sim/d10v/d10v_sim.h @@ -0,0 +1,452 @@ +#include "config.h" +#include <stdio.h> +#include <ctype.h> +#include <limits.h> +#include "ansidecl.h" +#include "callback.h" +#include "opcode/d10v.h" +#include "bfd.h" + +#define DEBUG_TRACE 0x00000001 +#define DEBUG_VALUES 0x00000002 +#define DEBUG_LINE_NUMBER 0x00000004 +#define DEBUG_MEMSIZE 0x00000008 +#define DEBUG_INSTRUCTION 0x00000010 +#define DEBUG_TRAP 0x00000020 + +#ifndef DEBUG +#define DEBUG (DEBUG_TRACE | DEBUG_VALUES | DEBUG_LINE_NUMBER) +#endif + +extern int d10v_debug; + +#include "remote-sim.h" +#include "sim-config.h" +#include "sim-types.h" + +typedef unsigned8 uint8; +typedef unsigned16 uint16; +typedef signed16 int16; +typedef unsigned32 uint32; +typedef signed32 int32; +typedef unsigned64 uint64; +typedef signed64 int64; + +/* FIXME: D10V defines */ +typedef uint16 reg_t; + +struct simops +{ + long opcode; + int is_long; + long mask; + int format; + int cycles; + int unit; + int exec_type; + void (*func)(); + int numops; + int operands[9]; +}; + +enum _ins_type +{ + INS_UNKNOWN, /* unknown instruction */ + INS_COND_TRUE, /* # times EXExxx executed other instruction */ + INS_COND_FALSE, /* # times EXExxx did not execute other instruction */ + INS_COND_JUMP, /* # times JUMP skipped other instruction */ + INS_CYCLES, /* # cycles */ + INS_LONG, /* long instruction (both containers, ie FM == 11) */ + INS_LEFTRIGHT, /* # times instruction encoded as L -> R (ie, FM == 01) */ + INS_RIGHTLEFT, /* # times instruction encoded as L <- R (ie, FM == 10) */ + INS_PARALLEL, /* # times instruction encoded as L || R (ie, RM == 00) */ + + INS_LEFT, /* normal left instructions */ + INS_LEFT_PARALLEL, /* left side of || */ + INS_LEFT_COND_TEST, /* EXExx test on left side */ + INS_LEFT_COND_EXE, /* execution after EXExxx test on right side succeeded */ + INS_LEFT_NOPS, /* NOP on left side */ + + INS_RIGHT, /* normal right instructions */ + INS_RIGHT_PARALLEL, /* right side of || */ + INS_RIGHT_COND_TEST, /* EXExx test on right side */ + INS_RIGHT_COND_EXE, /* execution after EXExxx test on left side succeeded */ + INS_RIGHT_NOPS, /* NOP on right side */ + + INS_MAX +}; + +extern unsigned long ins_type_counters[ (int)INS_MAX ]; + +enum { + SP_IDX = 15, +}; + +/* Write-back slots */ +union slot_data { + unsigned_1 _1; + unsigned_2 _2; + unsigned_4 _4; + unsigned_8 _8; +}; +struct slot { + void *dest; + int size; + union slot_data data; + union slot_data mask; +}; +enum { + NR_SLOTS = 16, +}; +#define SLOT (State.slot) +#define SLOT_NR (State.slot_nr) +#define SLOT_PEND_MASK(DEST, MSK, VAL) \ + do \ + { \ + SLOT[SLOT_NR].dest = &(DEST); \ + SLOT[SLOT_NR].size = sizeof (DEST); \ + switch (sizeof (DEST)) \ + { \ + case 1: \ + SLOT[SLOT_NR].data._1 = (unsigned_1) (VAL); \ + SLOT[SLOT_NR].mask._1 = (unsigned_1) (MSK); \ + break; \ + case 2: \ + SLOT[SLOT_NR].data._2 = (unsigned_2) (VAL); \ + SLOT[SLOT_NR].mask._2 = (unsigned_2) (MSK); \ + break; \ + case 4: \ + SLOT[SLOT_NR].data._4 = (unsigned_4) (VAL); \ + SLOT[SLOT_NR].mask._4 = (unsigned_4) (MSK); \ + break; \ + case 8: \ + SLOT[SLOT_NR].data._8 = (unsigned_8) (VAL); \ + SLOT[SLOT_NR].mask._8 = (unsigned_8) (MSK); \ + break; \ + } \ + SLOT_NR = (SLOT_NR + 1); \ + } \ + while (0) +#define SLOT_PEND(DEST, VAL) SLOT_PEND_MASK(DEST, 0, VAL) +#define SLOT_DISCARD() (SLOT_NR = 0) +#define SLOT_FLUSH() \ + do \ + { \ + int i; \ + for (i = 0; i < SLOT_NR; i++) \ + { \ + switch (SLOT[i].size) \ + { \ + case 1: \ + *(unsigned_1*) SLOT[i].dest &= SLOT[i].mask._1; \ + *(unsigned_1*) SLOT[i].dest |= SLOT[i].data._1; \ + break; \ + case 2: \ + *(unsigned_2*) SLOT[i].dest &= SLOT[i].mask._2; \ + *(unsigned_2*) SLOT[i].dest |= SLOT[i].data._2; \ + break; \ + case 4: \ + *(unsigned_4*) SLOT[i].dest &= SLOT[i].mask._4; \ + *(unsigned_4*) SLOT[i].dest |= SLOT[i].data._4; \ + break; \ + case 8: \ + *(unsigned_8*) SLOT[i].dest &= SLOT[i].mask._8; \ + *(unsigned_8*) SLOT[i].dest |= SLOT[i].data._8; \ + break; \ + } \ + } \ + SLOT_NR = 0; \ + } \ + while (0) +#define SLOT_DUMP() \ + do \ + { \ + int i; \ + for (i = 0; i < SLOT_NR; i++) \ + { \ + switch (SLOT[i].size) \ + { \ + case 1: \ + printf ("SLOT %d *0x%08lx & 0x%02x | 0x%02x\n", i, \ + (long) SLOT[i].dest, \ + (unsigned) SLOT[i].mask._1, \ + (unsigned) SLOT[i].data._1); \ + break; \ + case 2: \ + printf ("SLOT %d *0x%08lx & 0x%04x | 0x%04x\n", i, \ + (long) SLOT[i].dest, \ + (unsigned) SLOT[i].mask._2, \ + (unsigned) SLOT[i].data._2); \ + break; \ + case 4: \ + printf ("SLOT %d *0x%08lx & 0x%08x | 0x%08x\n", i, \ + (long) SLOT[i].dest, \ + (unsigned) SLOT[i].mask._4, \ + (unsigned) SLOT[i].data._4); \ + break; \ + case 8: \ + printf ("SLOT %d *0x%08lx & 0x%08x%08x | 0x%08x%08x\n", i, \ + (long) SLOT[i].dest, \ + (unsigned) (SLOT[i].mask._8 >> 32), \ + (unsigned) SLOT[i].mask._8, \ + (unsigned) (SLOT[i].data._8 >> 32), \ + (unsigned) SLOT[i].data._8); \ + break; \ + } \ + } \ + } \ + while (0) + +struct _state +{ + reg_t regs[16]; /* general-purpose registers */ +#define GPR(N) (State.regs[(N)] + 0) +#define SET_GPR(N,VAL) SLOT_PEND (State.regs[(N)], (VAL)) + +#define GPR32(N) ((((uint32) State.regs[(N) + 0]) << 16) \ + | (uint16) State.regs[(N) + 1]) +#define SET_GPR32(N,VAL) do { SET_GPR (OP[0] + 0, (VAL) >> 16); SET_GPR (OP[0] + 1, (VAL)); } while (0) + + reg_t cregs[16]; /* control registers */ +#define CREG(N) (State.cregs[(N)] + 0) +#define SET_CREG(N,VAL) move_to_cr ((N), 0, (VAL)) + + reg_t sp[2]; /* holding area for SPI(0)/SPU(1) */ +#define HELD_SP(N) (State.sp[(N)] + 0) +#define SET_HELD_SP(N,VAL) SLOT_PEND (State.sp[(N)], (VAL)) + + int64 a[2]; /* accumulators */ +#define ACC(N) (State.a[(N)] + 0) +#define SET_ACC(N,VAL) SLOT_PEND (State.a[(N)], (VAL) & MASK40) + + /* writeback info */ + struct slot slot[NR_SLOTS]; + int slot_nr; + + /* trace data */ + struct { + uint16 psw; + } trace; + + uint8 exe; + int exception; + int pc_changed; + + /* NOTE: everything below this line is not reset by sim_create_inferior() */ + uint8 *imem; + uint8 *dmem; + uint8 *umem[128]; + enum _ins_type ins_type; + +} State; + + +extern host_callback *d10v_callback; +extern uint16 OP[4]; +extern struct simops Simops[]; +extern asection *text; +extern bfd_vma text_start; +extern bfd_vma text_end; +extern bfd *prog_bfd; + +enum +{ + PSW_CR = 0, + BPSW_CR = 1, + PC_CR = 2, + BPC_CR = 3, + DPSW_CR = 4, + DPC_CR = 5, + RPT_C_CR = 7, + RPT_S_CR = 8, + RPT_E_CR = 9, + MOD_S_CR = 10, + MOD_E_CR = 11, + IBA_CR = 14, +}; + +enum +{ + PSW_SM_BIT = 0x8000, + PSW_EA_BIT = 0x2000, + PSW_DB_BIT = 0x1000, + PSW_DM_BIT = 0x0800, + PSW_IE_BIT = 0x0400, + PSW_RP_BIT = 0x0200, + PSW_MD_BIT = 0x0100, + PSW_FX_BIT = 0x0080, + PSW_ST_BIT = 0x0040, + PSW_F0_BIT = 0x0008, + PSW_F1_BIT = 0x0004, + PSW_C_BIT = 0x0001, +}; + +#define PSW CREG (PSW_CR) +#define SET_PSW(VAL) SET_CREG (PSW_CR, (VAL)) +#define SET_PSW_BIT(MASK,VAL) move_to_cr (PSW_CR, ~(MASK), (VAL) ? (MASK) : 0) + +#define PSW_SM ((PSW & PSW_SM_BIT) != 0) +#define SET_PSW_SM(VAL) SET_PSW_BIT (PSW_SM_BIT, (VAL)) + +#define PSW_EA ((PSW & PSW_EA_BIT) != 0) +#define SET_PSW_EA(VAL) SET_PSW_BIT (PSW_EA_BIT, (VAL)) + +#define PSW_DB ((PSW & PSW_DB_BIT) != 0) +#define SET_PSW_DB(VAL) SET_PSW_BIT (PSW_DB_BIT, (VAL)) + +#define PSW_DM ((PSW & PSW_DM_BIT) != 0) +#define SET_PSW_DM(VAL) SET_PSW_BIT (PSW_DM_BIT, (VAL)) + +#define PSW_IE ((PSW & PSW_IE_BIT) != 0) +#define SET_PSW_IE(VAL) SET_PSW_BIT (PSW_IE_BIT, (VAL)) + +#define PSW_RP ((PSW & PSW_RP_BIT) != 0) +#define SET_PSW_RP(VAL) SET_PSW_BIT (PSW_RP_BIT, (VAL)) + +#define PSW_MD ((PSW & PSW_MD_BIT) != 0) +#define SET_PSW_MD(VAL) SET_PSW_BIT (PSW_MD_BIT, (VAL)) + +#define PSW_FX ((PSW & PSW_FX_BIT) != 0) +#define SET_PSW_FX(VAL) SET_PSW_BIT (PSW_FX_BIT, (VAL)) + +#define PSW_ST ((PSW & PSW_ST_BIT) != 0) +#define SET_PSW_ST(VAL) SET_PSW_BIT (PSW_ST_BIT, (VAL)) + +#define PSW_F0 ((PSW & PSW_F0_BIT) != 0) +#define SET_PSW_F0(VAL) SET_PSW_BIT (PSW_F0_BIT, (VAL)) + +#define PSW_F1 ((PSW & PSW_F1_BIT) != 0) +#define SET_PSW_F1(VAL) SET_PSW_BIT (PSW_F1_BIT, (VAL)) + +#define PSW_C ((PSW & PSW_C_BIT) != 0) +#define SET_PSW_C(VAL) SET_PSW_BIT (PSW_C_BIT, (VAL)) + +/* See simopsc.:move_to_cr() for registers that can not be read-from + or assigned-to directly */ + +#define PC CREG (PC_CR) +#define SET_PC(VAL) SET_CREG (PC_CR, (VAL)) + +#define BPSW CREG (BPSW_CR) +#define SET_BPSW(VAL) SET_CREG (BPSW_CR, (VAL)) + +#define BPC CREG (BPC_CR) +#define SET_BPC(VAL) SET_CREG (BPC_CR, (VAL)) + +#define DPSW CREG (DPSW_CR) +#define SET_DPSW(VAL) SET_CREG (DPSW_CR, (VAL)) + +#define DPC CREG (DPC_CR) +#define SET_DPC(VAL) SET_CREG (DPC_CR, (VAL)) + +#define RPT_C CREG (RPT_C_CR) +#define SET_RPT_C(VAL) SET_CREG (RPT_C_CR, (VAL)) + +#define RPT_S CREG (RPT_S_CR) +#define SET_RPT_S(VAL) SET_CREG (RPT_S_CR, (VAL)) + +#define RPT_E CREG (RPT_E_CR) +#define SET_RPT_E(VAL) SET_CREG (RPT_E_CR, (VAL)) + +#define MOD_S CREG (MOD_S_CR) +#define SET_MOD_S(VAL) SET_CREG (MOD_S_CR, (VAL)) + +#define MOD_E CREG (MOD_E_CR) +#define SET_MOD_E(VAL) SET_CREG (MOD_E_CR, (VAL)) + +#define IBA CREG (IBA_CR) +#define SET_IBA(VAL) SET_CREG (IBA_CR, (VAL)) + + +#define SIG_D10V_STOP -1 +#define SIG_D10V_EXIT -2 + +#define SEXT3(x) ((((x)&0x7)^(~3))+4) + +/* sign-extend a 4-bit number */ +#define SEXT4(x) ((((x)&0xf)^(~7))+8) + +/* sign-extend an 8-bit number */ +#define SEXT8(x) ((((x)&0xff)^(~0x7f))+0x80) + +/* sign-extend a 16-bit number */ +#define SEXT16(x) ((((x)&0xffff)^(~0x7fff))+0x8000) + +/* sign-extend a 32-bit number */ +#define SEXT32(x) ((((x)&SIGNED64(0xffffffff))^(~SIGNED64(0x7fffffff)))+SIGNED64(0x80000000)) + +/* sign extend a 40 bit number */ +#define SEXT40(x) ((((x)&SIGNED64(0xffffffffff))^(~SIGNED64(0x7fffffffff)))+SIGNED64(0x8000000000)) + +/* sign extend a 44 bit number */ +#define SEXT44(x) ((((x)&SIGNED64(0xfffffffffff))^(~SIGNED64(0x7ffffffffff)))+SIGNED64(0x80000000000)) + +/* sign extend a 56 bit number */ +#define SEXT56(x) ((((x)&SIGNED64(0xffffffffffffff))^(~SIGNED64(0x7fffffffffffff)))+SIGNED64(0x80000000000000)) + +/* sign extend a 60 bit number */ +#define SEXT60(x) ((((x)&SIGNED64(0xfffffffffffffff))^(~SIGNED64(0x7ffffffffffffff)))+SIGNED64(0x800000000000000)) + +#define MAX32 SIGNED64(0x7fffffff) +#define MIN32 SIGNED64(0xff80000000) +#define MASK32 SIGNED64(0xffffffff) +#define MASK40 SIGNED64(0xffffffffff) + +/* The alignment of MOD_E in the following macro depends upon "i" + always being a power of 2. */ +#define INC_ADDR(x,i) \ +do \ + { \ + if (PSW_MD && GPR (x) == (MOD_E & ~((i) - 1))) \ + SET_GPR (x, MOD_S); \ + else \ + SET_GPR (x, GPR (x) + (i)); \ + } \ +while (0) + +extern uint8 *dmem_addr PARAMS ((uint32)); +extern uint8 *imem_addr PARAMS ((uint32)); +extern bfd_vma decode_pc PARAMS ((void)); + +#define RB(x) (*(dmem_addr(x))) +#define SB(addr,data) ( RB(addr) = (data & 0xff)) + +#if defined(__GNUC__) && defined(__OPTIMIZE__) && !defined(NO_ENDIAN_INLINE) +#define ENDIAN_INLINE static __inline__ +#include "endian.c" +#undef ENDIAN_INLINE + +#else +extern uint32 get_longword PARAMS ((uint8 *)); +extern uint16 get_word PARAMS ((uint8 *)); +extern int64 get_longlong PARAMS ((uint8 *)); +extern void write_word PARAMS ((uint8 *addr, uint16 data)); +extern void write_longword PARAMS ((uint8 *addr, uint32 data)); +extern void write_longlong PARAMS ((uint8 *addr, int64 data)); +#endif + +#define SW(addr,data) write_word(dmem_addr(addr),data) +#define RW(x) get_word(dmem_addr(x)) +#define SLW(addr,data) write_longword(dmem_addr(addr),data) +#define RLW(x) get_longword(dmem_addr(x)) +#define READ_16(x) get_word(x) +#define WRITE_16(addr,data) write_word(addr,data) +#define READ_64(x) get_longlong(x) +#define WRITE_64(addr,data) write_longlong(addr,data) + +#define IMAP0 RW(0xff00) +#define IMAP1 RW(0xff02) +#define DMAP RW(0xff04) +#define SET_IMAP0(x) SW(0xff00,x) +#define SET_IMAP1(x) SW(0xff02,x) +#define SET_DMAP(x) SW(0xff04,x) + +#define JMP(x) do { SET_PC (x); State.pc_changed = 1; } while (0) + +#define RIE_VECTOR_START 0xffc2 +#define AE_VECTOR_START 0xffc3 +#define TRAP_VECTOR_START 0xffc4 /* vector for trap 0 */ +#define DBT_VECTOR_START 0xffd4 +#define SDBT_VECTOR_START 0xffd5 + +extern reg_t move_to_cr PARAMS ((int cr, reg_t mask, reg_t val)); |