"I am a person who works hard and plays hard."

Yuan Wei
Second Year Graduate Student Department of Computer Science
University of Virginia Charlottesville, VA 22903
Email: yw3f@cs.virginia.edu

Source Code Analysis
Main Page Compound List File List Compound Members File Members

pisa.h File Reference

#include <stdio.h>
#include "host.h"
#include "misc.h"
#include "config.h"
#include "endian.h"
#include "machine.def"

Include dependency graph for pisa.h:

Go to the source code of this file.

Compounds

struct md_ctrl_t
union md_fpr_t
struct md_inst_t
struct md_reg_names_t

Defines

#define TARGET_PISA
#define TARGET_PISA_LITTLE
#define NA 0
#define MD_PAGE_SIZE 4096
#define MD_LOG_PAGE_SIZE 12
#define MD_NUM_IREGS 32
#define MD_NUM_FREGS 32
#define MD_NUM_CREGS 3
#define MD_TOTAL_REGS ( 32 + 32 + 3 + 1 + 1 + 1)
#define MD_SWAPH(X) (X)
#define MD_SWAPW(X) (X)
#define MD_SWAPQ(X) (X)
#define MD_SWAPD(X) (X)
#define MD_SWAPI(X) (X)
#define MD_FETCH_INST(INST, MEM, PC)
#define MD_TEXT_BASE 0x00400000
#define MD_DATA_BASE 0x10000000
#define MD_STACK_BASE 0x7fffc000
#define MD_MAX_ENVIRON 16384
#define MD_OPFIELD(INST) (INST.a & 0xff)
#define MD_SET_OPCODE(OP, INST) ((OP) = ((INST).a & 0xff))
#define MD_MAX_MASK 255
#define DEFINST(OP, MSK, NAME, OPFORM, RES, FLAGS, O1, O2, I1, I2, I3) OP,
#define DEFLINK(OP, MSK, NAME, MASK, SHIFT) OP,
#define CONNECT(OP)
#define MD_OP_ENUM(MSK) (md_mask2op[MSK])
#define MD_OP_NAME(OP) (md_op2name[OP])
#define MD_OP_FORMAT(OP) (md_op2format[OP])
#define MD_OP_FUCLASS(OP) (md_op2fu[OP])
#define MD_FU_NAME(FU) (md_fu2name[FU])
#define F_ICOMP 0x00000001
#define F_FCOMP 0x00000002
#define F_CTRL 0x00000004
#define F_UNCOND 0x00000008
#define F_COND 0x00000010
#define F_MEM 0x00000020
#define F_LOAD 0x00000040
#define F_STORE 0x00000080
#define F_DISP 0x00000100
#define F_RR 0x00000200
#define F_DIRECT 0x00000400
#define F_TRAP 0x00000800
#define F_LONGLAT 0x00001000
#define F_DIRJMP 0x00002000
#define F_INDIRJMP 0x00004000
#define F_CALL 0x00008000
#define F_FPCOND 0x00010000
#define F_IMM 0x00020000
#define MD_OP_FLAGS(OP) (md_op2flags[OP])
#define RS (inst.b >> 24)
#define RT ((inst.b >> 16) & 0xff)
#define RD ((inst.b >> 8) & 0xff)
#define SHAMT (inst.b & 0xff)
#define FS RS
#define FT RT
#define FD RD
#define IMM ((int)(( short)(inst.b & 0xffff)))
#define UIMM (inst.b & 0xffff)
#define TARG (inst.b & 0x3ffffff)
#define BCODE (inst.b & 0xfffff)
#define OFS IMM
#define BS RS
#define MAXINT_VAL 0x7fffffff
#define OVER(X, Y)
#define UNDER(X, Y)
#define SET_TPC(PC) (void)0
#define WL_SIZE(ADDR) (4-((ADDR) & 0x03))
#define WL_BASE(ADDR) ((ADDR) & ~0x03)
#define WL_PROT_MASK(ADDR) (md_lr_masks[4-WL_SIZE(ADDR)])
#define WL_PROT_MASK1(ADDR) (md_lr_masks[WL_SIZE(ADDR)])
#define WL_PROT_MASK2(ADDR) (md_lr_masks[4-WL_SIZE(ADDR)])
#define WR_SIZE(ADDR) (((ADDR) & 0x03)+1)
#define WR_BASE(ADDR) ((ADDR) & ~0x03)
#define WR_PROT_MASK(ADDR) (~(md_lr_masks[WR_SIZE(ADDR)]))
#define WR_PROT_MASK1(ADDR) ((md_lr_masks[WR_SIZE(ADDR)]))
#define WR_PROT_MASK2(ADDR) (md_lr_masks[4-WR_SIZE(ADDR)])
#define SS_SYS_exit 1
#define MD_EXIT_SYSCALL(REGS) ((REGS)->regs_R[2] == SS_SYS_exit)
#define SS_SYS_write 4
#define MD_OUTPUT_SYSCALL(REGS)
#define MD_STREAM_FILENO(REGS) ((REGS)->regs_R[4])
#define MD_IS_CALL(OP) ((MD_OP_FLAGS(OP) & (F_CTRL|F_CALL)) == (F_CTRL|F_CALL))
#define MD_IS_RETURN(OP) ((OP) == JR && (RS) == 31)
#define MD_IS_INDIR(OP) ((OP) == JR)
#define MD_AMODE_PREPROBE(OP, FSM) { if ((OP) == LUI) (FSM) = (RT); }
#define MD_AMODE_PROBE(AM, OP, FSM)
#define MD_AMODE_POSTPROBE(FSM) { (FSM) = MD_REG_ZERO; }
#define MD_EIO_FILE_FORMAT EIO_PISA_FORMAT
#define MD_MISC_REGS_TO_EXO(REGS)
#define MD_IREG_TO_EXO(REGS, IDX) exo_new(ec_address, (exo_integer_t)(REGS)->regs_R[IDX])
#define MD_FREG_TO_EXO(REGS, IDX) exo_new(ec_address, (exo_integer_t)(REGS)->regs_F.l[IDX])
#define MD_EXO_TO_MISC_REGS(EXO, ICNT, REGS)
#define MD_EXO_TO_IREG(EXO, REGS, IDX) ((REGS)->regs_R[IDX] = (word_t)(EXO)->as_integer.val)
#define MD_EXO_TO_FREG(EXO, REGS, IDX) ((REGS)->regs_F.l[IDX] = (word_t)(EXO)->as_integer.val)
#define MD_EXO_CMP_IREG(EXO, REGS, IDX) ((REGS)->regs_R[IDX] != (sword_t)(EXO)->as_integer.val)
#define MD_FIRST_IN_REG 2
#define MD_LAST_IN_REG 7
#define MD_FIRST_OUT_REG 2
#define MD_LAST_OUT_REG 7
#define stat_reg_counter stat_reg_double
#define sc_counter sc_double
#define for_counter for_double
#define stat_reg_addr stat_reg_uint
#define MD_AGEN_OP ADD
#define MD_NOP_OP NOP
#define MD_VALID_ADDR(ADDR)
#define MD_BR_SHIFT 3

Typedefs

typedef word_t md_addr_t
typedef sword_t md_gpr_t [MD_NUM_IREGS]
typedef qword_t exo_address_t
typedef qword_t exo_integer_t
typedef double exo_float_t

Enumerations

enum md_fault_type {
md_fault_none = 0, md_fault_access, md_fault_alignment, md_fault_overflow,
md_fault_div0, md_fault_break, md_fault_unimpl, md_fault_internal
}
enum md_reg_names { MD_REG_ZERO = 0, MD_REG_GP = 28, MD_REG_SP = 29, MD_REG_FP = 30 }
enum md_opcode {
  OP_NA = 0, OP, MSK, NAME,
  OPFORM, RES, FLAGS, O1,
  O2, I1, I2, OP,
  MSK, NAME, MASK, OP_MAX
}
enum md_fu_class {
  FUClass_NA = 0, IntALU, IntMULT, IntDIV,
  FloatADD, FloatCMP, FloatCVT, FloatMULT,
  FloatDIV, FloatSQRT, RdPort, WrPort,
  NUM_FU_CLASSES
}
enum md_amode_type {
md_amode_imm, md_amode_gp, md_amode_sp, md_amode_fp,
md_amode_disp, md_amode_rr, md_amode_NUM
}
enum md_reg_type {
rt_gpr, rt_lpr, rt_fpr, rt_dpr,
rt_ctrl, rt_PC, rt_NPC, rt_NUM
}

Functions

char * md_reg_name (enum md_reg_type rt, int reg)
char * md_reg_obj (struct regs_t *regs, int is_write, enum md_reg_type rt, int reg, struct eval_value_t *val)
void md_print_ireg (md_gpr_t regs, int reg, FILE *stream)
void md_print_iregs (md_gpr_t regs, FILE *stream)
void md_print_fpreg (md_fpr_t regs, int reg, FILE *stream)
void md_print_fpregs (md_fpr_t regs, FILE *stream)
void md_print_creg (md_ctrl_t regs, int reg, FILE *stream)
void md_print_cregs (md_ctrl_t regs, FILE *stream)
word_t md_crc_regs (struct regs_t *regs)
word_t md_xor_regs (struct regs_t *regs)
void md_init_decoder (void)
void md_print_insn (md_inst_t inst, md_addr_t pc, FILE *stream)

Variables

md_inst_t MD_NOP_INST
enum md_opcode md_mask2op []
char * md_op2name []
char * md_op2format []
enum md_fu_class md_op2fu []
char * md_fu2name []
unsigned int md_op2flags []
word_t md_lr_masks []
char * md_amode_str [md_amode_NUM]
md_reg_names_t md_reg_names []

Define Documentation

#define BCODE (inst.b & 0xfffff)

Definition at line 355 of file pisa.h.
Referenced by md_print_insn().

#define BS RS

Definition at line 361 of file pisa.h.
Referenced by md_print_insn().

#define CONNECT ( OP )

#define DEFINST ( OP,
MSK,
NAME,
OPFORM,
RES,
FLAGS,
O1,
O2,
I1,
I2,
I3 ) OP,

#define DEFLINK ( OP,
MSK,
NAME,
MASK,
SHIFT ) OP,

#define F_CALL 0x00008000

Definition at line 323 of file pisa.h.

#define F_COND 0x00000010

Definition at line 312 of file pisa.h.

#define F_CTRL 0x00000004

Definition at line 310 of file pisa.h.

#define F_DIRECT 0x00000400

Definition at line 318 of file pisa.h.

#define F_DIRJMP 0x00002000

Definition at line 321 of file pisa.h.

#define F_DISP 0x00000100

Definition at line 316 of file pisa.h.

#define F_FCOMP 0x00000002

Definition at line 309 of file pisa.h.

#define F_FPCOND 0x00010000

Definition at line 324 of file pisa.h.

#define F_ICOMP 0x00000001

Definition at line 308 of file pisa.h.

#define F_IMM 0x00020000

Definition at line 325 of file pisa.h.

#define F_INDIRJMP 0x00004000

Definition at line 322 of file pisa.h.

#define F_LOAD 0x00000040

Definition at line 314 of file pisa.h.

#define F_LONGLAT 0x00001000

Definition at line 320 of file pisa.h.

#define F_MEM 0x00000020

Definition at line 313 of file pisa.h.

#define F_RR 0x00000200

Definition at line 317 of file pisa.h.

#define F_STORE 0x00000080

Definition at line 315 of file pisa.h.

#define F_TRAP 0x00000800

Definition at line 319 of file pisa.h.

#define F_UNCOND 0x00000008

Definition at line 311 of file pisa.h.

#define FD RD

Definition at line 343 of file pisa.h.
Referenced by md_print_insn().

#define for_counter for_double

Definition at line 604 of file pisa.h.

#define FS RS

Definition at line 341 of file pisa.h.
Referenced by md_print_insn().

#define FT RT

Definition at line 342 of file pisa.h.
Referenced by md_print_insn().

#define IMM ((int)(( short)(inst.b & 0xffff)))

Definition at line 346 of file pisa.h.

#define MAXINT_VAL 0x7fffffff

Definition at line 364 of file pisa.h.

#define MD_AGEN_OP ADD

Definition at line 674 of file pisa.h.

#define MD_AMODE_POSTPROBE ( FSM ) { (FSM) = MD_REG_ZERO; }

Definition at line 506 of file pisa.h.

#define MD_AMODE_PREPROBE ( OP,
FSM ) { if ((OP) == LUI) (FSM) = (RT); }

Definition at line 480 of file pisa.h.

#define MD_AMODE_PROBE ( AM,
OP,
FSM )

Value:
{ \ if (MD_OP_FLAGS(OP) & F_DISP) \ { \ if ((BS) == (FSM)) \ (AM) = md_amode_imm; \ else if ((BS) == MD_REG_GP) \ (AM) = md_amode_gp; \ else if ((BS) == MD_REG_SP) \ (AM) = md_amode_sp; \ else if ((BS) == MD_REG_FP) \ (AM) = md_amode_fp; \ else \ (AM) = md_amode_disp; \ } \ else if (MD_OP_FLAGS(OP) & F_RR) \ (AM) = md_amode_rr; \ else \ panic("cannot decode addressing mode"); \ }

Definition at line 484 of file pisa.h.

#define MD_BR_SHIFT 3

Definition at line 692 of file pisa.h.

#define MD_DATA_BASE 0x10000000

Definition at line 241 of file pisa.h.
Referenced by ld_load_prog().

#define MD_EIO_FILE_FORMAT EIO_PISA_FORMAT

Definition at line 515 of file pisa.h.

#define MD_EXIT_SYSCALL ( REGS ) ((REGS)->regs_R[2] == SS_SYS_exit)

Definition at line 445 of file pisa.h.

#define MD_EXO_CMP_IREG ( EXO,
REGS,
IDX ) ((REGS)->regs_R[IDX] != (sword_t)(EXO)->as_integer.val)

Definition at line 568 of file pisa.h.

#define MD_EXO_TO_FREG ( EXO,
REGS,
IDX ) ((REGS)->regs_F.l[IDX] = (word_t)(EXO)->as_integer.val)

Definition at line 565 of file pisa.h.

#define MD_EXO_TO_IREG ( EXO,
REGS,
IDX ) ((REGS)->regs_R[IDX] = (word_t)(EXO)->as_integer.val)

Definition at line 562 of file pisa.h.

#define MD_EXO_TO_MISC_REGS ( EXO,
ICNT,
REGS )

Value:
\ if (!exo \ || exo->ec != ec_list \ || !exo->as_list.head \ || exo->as_list.head->ec != ec_integer \ || !exo->as_list.head->next \ || exo->as_list.head->next->ec != ec_address \ || !exo->as_list.head->next->next \ || exo->as_list.head->next->next->ec != ec_address \ || !exo->as_list.head->next->next->next \ || exo->as_list.head->next->next->next->ec != ec_integer \ || !exo->as_list.head->next->next->next->next \ || exo->as_list.head->next->next->next->next->ec != ec_integer \ || !exo->as_list.head->next->next->next->next->next \ || exo->as_list.head->next->next->next->next->next->ec != ec_integer\ || exo->as_list.head->next->next->next->next->next->next != NULL) \ fatal("could not read EIO misc regs"); \ (ICNT) = (counter_t)exo->as_list.head->as_integer.val; \ (REGS)->regs_PC = (md_addr_t)exo->as_list.head->next->as_address.val; \ (REGS)->regs_NPC = \ (md_addr_t)exo->as_list.head->next->next->as_address.val; \ (REGS)->regs_C.hi = \ (word_t)exo->as_list.head->next->next->next->as_integer.val; \ (REGS)->regs_C.lo = \ (word_t)exo->as_list.head->next->next->next->next->as_integer.val; \ (REGS)->regs_C.fcc = \ (int)exo->as_list.head->next->next->next->next->next->as_integer.val;

Definition at line 533 of file pisa.h.

#define MD_FETCH_INST ( INST,
MEM,
PC )

Value:
{ inst.a = MEM_READ_WORD(mem, (PC)); \ inst.b = MEM_READ_WORD(mem, (PC) + sizeof(word_t)); }

Definition at line 231 of file pisa.h.

#define MD_FIRST_IN_REG 2

Definition at line 571 of file pisa.h.

#define MD_FIRST_OUT_REG 2

Definition at line 574 of file pisa.h.

#define MD_FREG_TO_EXO ( REGS,
IDX ) exo_new(ec_address, (exo_integer_t)(REGS)->regs_F.l[IDX])

Definition at line 530 of file pisa.h.

#define MD_FU_NAME ( FU ) (md_fu2name[FU])

Definition at line 304 of file pisa.h.

#define MD_IREG_TO_EXO ( REGS,
IDX ) exo_new(ec_address, (exo_integer_t)(REGS)->regs_R[IDX])

Definition at line 527 of file pisa.h.

#define MD_IS_CALL ( OP ) ((MD_OP_FLAGS(OP) & (F_CTRL|F_CALL)) == (F_CTRL|F_CALL))

Definition at line 458 of file pisa.h.

#define MD_IS_INDIR ( OP ) ((OP) == JR)

Definition at line 465 of file pisa.h.

#define MD_IS_RETURN ( OP ) ((OP) == JR && (RS) == 31)

Definition at line 462 of file pisa.h.

#define MD_LAST_IN_REG 7

Definition at line 572 of file pisa.h.

#define MD_LAST_OUT_REG 7

Definition at line 575 of file pisa.h.

#define MD_LOG_PAGE_SIZE 12

Definition at line 137 of file pisa.h.

#define MD_MAX_ENVIRON 16384

Definition at line 245 of file pisa.h.

#define MD_MAX_MASK 255

Definition at line 258 of file pisa.h.

#define MD_MISC_REGS_TO_EXO ( REGS )

Value:
exo_new(ec_list, \ exo_new(ec_integer, (exo_integer_t)sim_num_insn), \ exo_new(ec_address, (exo_integer_t)(REGS)->regs_PC), \ exo_new(ec_address, (exo_integer_t)(REGS)->regs_NPC), \ exo_new(ec_integer, (exo_integer_t)(REGS)->regs_C.hi), \ exo_new(ec_integer, (exo_integer_t)(REGS)->regs_C.lo), \ exo_new(ec_integer, (exo_integer_t)(REGS)->regs_C.fcc),\ NULL)

Definition at line 517 of file pisa.h.

#define MD_NOP_OP NOP

Definition at line 677 of file pisa.h.

#define MD_NUM_CREGS 3

Definition at line 167 of file pisa.h.

#define MD_NUM_FREGS 32

Definition at line 164 of file pisa.h.

#define MD_NUM_IREGS 32

Definition at line 161 of file pisa.h.

#define MD_OP_ENUM ( MSK ) (md_mask2op[MSK])

Definition at line 271 of file pisa.h.
Referenced by ld_load_prog().

#define MD_OP_FLAGS ( OP ) (md_op2flags[OP])

Definition at line 328 of file pisa.h.

#define MD_OP_FORMAT ( OP ) (md_op2format[OP])

Definition at line 279 of file pisa.h.

#define MD_OP_FUCLASS ( OP ) (md_op2fu[OP])

Definition at line 300 of file pisa.h.

#define MD_OP_NAME ( OP ) (md_op2name[OP])

Definition at line 275 of file pisa.h.

#define MD_OPFIELD ( INST ) (INST.a & 0xff)

Definition at line 253 of file pisa.h.
Referenced by ld_load_prog().

#define MD_OUTPUT_SYSCALL ( REGS )

Value:
((REGS)->regs_R[2] == SS_SYS_write \ && ((REGS)->regs_R[4] == 1 \ || (REGS)->regs_R[4] == 2))

Definition at line 449 of file pisa.h.

#define MD_PAGE_SIZE 4096

Definition at line 136 of file pisa.h.

#define MD_SET_OPCODE ( OP,
INST ) ((OP) = ((INST).a & 0xff))

Definition at line 254 of file pisa.h.

#define MD_STACK_BASE 0x7fffc000

Definition at line 242 of file pisa.h.
Referenced by ld_load_prog().

#define MD_STREAM_FILENO ( REGS ) ((REGS)->regs_R[4])

Definition at line 455 of file pisa.h.

#define MD_SWAPD ( X ) (X)

Definition at line 225 of file pisa.h.

#define MD_SWAPH ( X ) (X)

Definition at line 222 of file pisa.h.

#define MD_SWAPI ( X ) (X)

Definition at line 226 of file pisa.h.

#define MD_SWAPQ ( X ) (X)

Definition at line 224 of file pisa.h.

#define MD_SWAPW ( X ) (X)

Definition at line 223 of file pisa.h.

#define MD_TEXT_BASE 0x00400000

Definition at line 240 of file pisa.h.
Referenced by ld_load_prog().

#define MD_TOTAL_REGS ( 32 + 32 + 3 + 1 + 1 + 1)

Definition at line 170 of file pisa.h.

#define MD_VALID_ADDR ( ADDR )

Value:
(((ADDR) >= ld_text_base && (ADDR) < (ld_text_base + ld_text_size)) \ || ((ADDR) >= ld_data_base && (ADDR) < ld_stack_base))

Definition at line 681 of file pisa.h.

#define NA 0

Definition at line 118 of file pisa.h.

#define OFS IMM

Definition at line 358 of file pisa.h.

#define OVER ( X,
Y )

Value:
((((X) > 0) && ((Y) > 0) && (MAXINT_VAL - (X) < (Y))) \ || (((X) < 0) && ((Y) < 0) && (-MAXINT_VAL - (X) > (Y))))

Definition at line 367 of file pisa.h.

#define RD ((inst.b >> 8) & 0xff)

Definition at line 335 of file pisa.h.
Referenced by md_print_insn().

#define RS (inst.b >> 24)

Definition at line 333 of file pisa.h.
Referenced by md_print_insn().

#define RT ((inst.b >> 16) & 0xff)

Definition at line 334 of file pisa.h.
Referenced by md_print_insn().

#define sc_counter sc_double

Definition at line 603 of file pisa.h.

#define SET_TPC ( PC ) (void)0

Definition at line 378 of file pisa.h.

#define SHAMT (inst.b & 0xff)

Definition at line 338 of file pisa.h.
Referenced by md_print_insn().

#define SS_SYS_exit 1

Definition at line 444 of file pisa.h.
Referenced by sys_syscall().

#define SS_SYS_write 4

Definition at line 448 of file pisa.h.
Referenced by sys_syscall().

#define stat_reg_addr stat_reg_uint

Definition at line 608 of file pisa.h.

#define stat_reg_counter stat_reg_double

Definition at line 602 of file pisa.h.

#define TARG (inst.b & 0x3ffffff)

Definition at line 352 of file pisa.h.

#define TARGET_PISA

Definition at line 96 of file pisa.h.

#define TARGET_PISA_LITTLE

Definition at line 104 of file pisa.h.

#define UIMM (inst.b & 0xffff)

Definition at line 349 of file pisa.h.
Referenced by md_print_insn().

#define UNDER ( X,
Y )

Value:
((((X) > 0) && ((Y) < 0) && (MAXINT_VAL + (Y) < (X))) \ || (((X) < 0) && ((Y) > 0) && (-MAXINT_VAL + (Y) > (X))))

Definition at line 372 of file pisa.h.

#define WL_BASE ( ADDR ) ((ADDR) & ~0x03)

Definition at line 398 of file pisa.h.

#define WL_PROT_MASK ( ADDR ) (md_lr_masks[4-WL_SIZE(ADDR)])

Definition at line 399 of file pisa.h.

#define WL_PROT_MASK1 ( ADDR ) (md_lr_masks[WL_SIZE(ADDR)])

Definition at line 400 of file pisa.h.

#define WL_PROT_MASK2 ( ADDR ) (md_lr_masks[4-WL_SIZE(ADDR)])

Definition at line 401 of file pisa.h.

#define WL_SIZE ( ADDR ) (4-((ADDR) & 0x03))

Definition at line 397 of file pisa.h.

#define WR_BASE ( ADDR ) ((ADDR) & ~0x03)

Definition at line 405 of file pisa.h.

#define WR_PROT_MASK ( ADDR ) (~(md_lr_masks[WR_SIZE(ADDR)]))

Definition at line 406 of file pisa.h.

#define WR_PROT_MASK1 ( ADDR ) ((md_lr_masks[WR_SIZE(ADDR)]))

Definition at line 407 of file pisa.h.

#define WR_PROT_MASK2 ( ADDR ) (md_lr_masks[4-WR_SIZE(ADDR)])

Definition at line 408 of file pisa.h.

#define WR_SIZE ( ADDR ) (((ADDR) & 0x03)+1)

Definition at line 404 of file pisa.h.

Typedef Documentation

typedef qword_t exo_address_t

Definition at line 583 of file pisa.h.

typedef double exo_float_t

Definition at line 589 of file pisa.h.

typedef qword_t exo_integer_t

Definition at line 586 of file pisa.h.

typedef word_t md_addr_t

Definition at line 128 of file pisa.h.

typedef sword_t md_gpr_t[MD_NUM_IREGS]

Definition at line 174 of file pisa.h.

Enumeration Type Documentation

enum md_amode_type

Enumeration values:

md_amode_imm

md_amode_gp

md_amode_sp

md_amode_fp

md_amode_disp

md_amode_rr

md_amode_NUM

Definition at line 468 of file pisa.h.

00468 { 00469 md_amode_imm, /* immediate addressing mode */ 00470 md_amode_gp, /* global data access through global pointer */ 00471 md_amode_sp, /* stack access through stack pointer */ 00472 md_amode_fp, /* stack access through frame pointer */ 00473 md_amode_disp, /* (reg + const) addressing */ 00474 md_amode_rr, /* (reg + reg) addressing */ 00475 md_amode_NUM 00476 };

enum md_fault_type

Enumeration values:

md_fault_none

md_fault_access

md_fault_alignment

md_fault_overflow

md_fault_div0

md_fault_break

md_fault_unimpl

md_fault_internal

Definition at line 144 of file pisa.h.

00144 { 00145 md_fault_none = 0, /* no fault */ 00146 md_fault_access, /* storage access fault */ 00147 md_fault_alignment, /* storage alignment fault */ 00148 md_fault_overflow, /* signed arithmetic overflow fault */ 00149 md_fault_div0, /* division by zero fault */ 00150 md_fault_break, /* BREAK instruction fault */ 00151 md_fault_unimpl, /* unimplemented instruction fault */ 00152 md_fault_internal /* internal S/W fault */ 00153 };

enum md_fu_class

Enumeration values:

FUClass_NA

IntALU

IntMULT

IntDIV

FloatADD

FloatCMP

FloatCVT

FloatMULT

FloatDIV

FloatSQRT

RdPort

WrPort

NUM_FU_CLASSES

Definition at line 283 of file pisa.h.

00283 { 00284 FUClass_NA = 0, /* inst does not use a functional unit */ 00285 IntALU, /* integer ALU */ 00286 IntMULT, /* integer multiplier */ 00287 IntDIV, /* integer divider */ 00288 FloatADD, /* floating point adder/subtractor */ 00289 FloatCMP, /* floating point comparator */ 00290 FloatCVT, /* floating point<->integer converter */ 00291 FloatMULT, /* floating point multiplier */ 00292 FloatDIV, /* floating point divider */ 00293 FloatSQRT, /* floating point square root */ 00294 RdPort, /* memory read port */ 00295 WrPort, /* memory write port */ 00296 NUM_FU_CLASSES /* total functional unit classes */ 00297 };

enum md_opcode

Enumeration values:

OP_NA

OP

MSK

NAME

OPFORM

RES

FLAGS

O1

O2

I1

I2

OP

MSK

NAME

MASK

OP_MAX

Definition at line 261 of file pisa.h.

00261 { 00262 OP_NA = 0, /* NA */ 00263 #define DEFINST(OP,MSK,NAME,OPFORM,RES,FLAGS,O1,O2,I1,I2,I3) OP, 00264 #define DEFLINK(OP,MSK,NAME,MASK,SHIFT) OP, 00265 #define CONNECT(OP) 00266 #include "machine.def" 00267 OP_MAX /* number of opcodes + NA */ 00268 };

enum md_reg_names

Enumeration values:

MD_REG_ZERO

MD_REG_GP

MD_REG_SP

MD_REG_FP

Definition at line 190 of file pisa.h.

00190 { 00191 MD_REG_ZERO = 0, /* zero register */ 00192 MD_REG_GP = 28, /* global data section pointer */ 00193 MD_REG_SP = 29, /* stack pointer */ 00194 MD_REG_FP = 30 /* frame pointer */ 00195 };

enum md_reg_type

Enumeration values:

rt_gpr

rt_lpr

rt_fpr

rt_dpr

rt_ctrl

rt_PC

rt_NPC

rt_NUM

Definition at line 616 of file pisa.h.

00616 { 00617 rt_gpr, /* general purpose register */ 00618 rt_lpr, /* integer-precision floating pointer register */ 00619 rt_fpr, /* single-precision floating pointer register */ 00620 rt_dpr, /* double-precision floating pointer register */ 00621 rt_ctrl, /* control register */ 00622 rt_PC, /* program counter */ 00623 rt_NPC, /* next program counter */ 00624 rt_NUM 00625 };

Function Documentation

word_t md_crc_regs ( struct regs_t * regs )

Definition at line 544 of file pisa.c.
References crc(), md_ctrl_t::fcc, md_ctrl_t::hi, md_fpr_t::l, md_ctrl_t::lo, regs_t::regs_C, regs_t::regs_F, regs_t::regs_NPC, regs_t::regs_PC, regs_t::regs_R, and word_t.

00545 { 00546 int i; 00547 word_t crc_accum = 0; 00548 00549 for (i=0; i < MD_NUM_IREGS; i++) 00550 crc_accum = crc(crc_accum, regs->regs_R[i]); 00551 00552 for (i=0; i < MD_NUM_FREGS; i++) 00553 crc_accum = crc(crc_accum, regs->regs_F.l[i]); 00554 00555 crc_accum = crc(crc_accum, regs->regs_C.hi); 00556 crc_accum = crc(crc_accum, regs->regs_C.lo); 00557 crc_accum = crc(crc_accum, regs->regs_C.fcc); 00558 crc_accum = crc(crc_accum, regs->regs_PC); 00559 crc_accum = crc(crc_accum, regs->regs_NPC); 00560 00561 return crc_accum; 00562 }

void md_init_decoder ( void )

Definition at line 25445 of file machine.c.

void md_print_creg ( md_ctrl_t regs,

int reg,

FILE * stream

)

Definition at line 21235 of file machine.c.
References md_ctrl_t::fcc, md_ctrl_t::hi, md_ctrl_t::lo, and panic().
Referenced by md_print_cregs(), and rspec_dump().

void md_print_cregs ( md_ctrl_t regs,

FILE * stream

)

Definition at line 21254 of file machine.c.
References md_print_creg().
Referenced by dlite_cregs().

void md_print_fpreg ( md_fpr_t regs,

int reg,

FILE * stream

)

Definition at line 21212 of file machine.c.
References md_fpr_t::d, md_fpr_t::f, md_fpr_t::l, and md_reg_name().
Referenced by md_print_fpregs(), and rspec_dump().

void md_print_fpregs ( md_fpr_t regs,

FILE * stream

)

Definition at line 21219 of file machine.c.
References md_print_fpreg().
Referenced by dlite_fpregs().

void md_print_insn ( md_inst_t inst,

md_addr_t pc,

FILE * stream

)

Definition at line 29624 of file machine.c.
References BCODE, BS, FD, FS, FT, MD_OP_FORMAT, MD_OP_NAME, MD_SET_OPCODE, panic(), RD, RS, RT, s, SHAMT, and UIMM.
Referenced by __ptrace_newinst(), dlite_dis(), dlite_status(), ruu_commit(), ruu_dispatch(), ruu_dumpent(), and sim_main().

void md_print_ireg ( md_gpr_t regs,

int reg,

FILE * stream

)

Definition at line 21190 of file machine.c.
References md_reg_name().
Referenced by md_print_iregs(), and rspec_dump().

void md_print_iregs ( md_gpr_t regs,

FILE * stream

)

Definition at line 21197 of file machine.c.
References md_print_ireg().
Referenced by dlite_iregs(), and dlite_regs().

char* md_reg_name ( enum md_reg_type rt,

int reg

)

Definition at line 21070 of file machine.c.
References md_reg_names_t::file, md_reg_names_t::reg, and md_reg_names_t::str.
Referenced by md_print_fpreg(), and md_print_ireg().

char* md_reg_obj ( struct regs_t * regs,

int is_write,

enum md_reg_type rt,

int reg,

struct eval_value_t * val

)

Definition at line 21085 of file machine.c.
References md_fpr_t::d, et_addr, et_double, et_float, et_int, et_uint, eval_as_addr(), eval_as_double(), eval_as_float(), eval_as_uint(), md_fpr_t::f, md_ctrl_t::fcc, md_ctrl_t::hi, md_fpr_t::l, md_ctrl_t::lo, panic(), regs_t::regs_C, regs_t::regs_F, regs_t::regs_NPC, regs_t::regs_PC, regs_t::regs_R, eval_value_t::type, and eval_value_t::value.

word_t md_xor_regs ( struct regs_t * regs )

Definition at line 21264 of file machine.c.
References md_ctrl_t::fcc, md_ctrl_t::hi, md_fpr_t::l, md_ctrl_t::lo, regs_t::regs_C, regs_t::regs_F, regs_t::regs_NPC, regs_t::regs_PC, regs_t::regs_R, and word_t.
Referenced by ruu_dispatch(), and sim_main().

Variable Documentation

char* md_amode_str[md_amode_NUM]

Definition at line 477 of file pisa.h.

char* md_fu2name[]

Definition at line 305 of file pisa.h.

word_t md_lr_masks[]

Definition at line 412 of file pisa.h.

enum md_opcode md_mask2op[]

Definition at line 272 of file pisa.h.

md_inst_t MD_NOP_INST

Definition at line 209 of file pisa.h.

unsigned int md_op2flags[]

Definition at line 329 of file pisa.h.

char* md_op2format[]

Definition at line 280 of file pisa.h.

enum md_fu_class md_op2fu[]

Definition at line 301 of file pisa.h.

char* md_op2name[]

Definition at line 276 of file pisa.h.

struct md_reg_names_t md_reg_names[]

Definition at line 635 of file pisa.h.

UVa CS Department of Computer Science
School of Engineering, University of Virginia
151 Engineer's Way, P.O. Box 400740
Charlottesville, Virginia 22904-4740
(434) 982-2200 Fax: (434) 982-2214


	Department of Computer Science School of Engineering, University of Virginia 151 Engineer's Way, P.O. Box 400740 Charlottesville, Virginia 22904-4740 (434) 982-2200 Fax: (434) 982-2214