* Very, very early support for vu1 based on sce code.
* Modified Files: * ChangeLog Makefile.in hardware.c vu1.c vu1.h * Added Files: * libvpe.c libvpe.h vpe.h vu.h
This commit is contained in:
Ian Carmichael
parent
4b95e9a13d
commit
8ae6b5cd79
9 changed files with 6349 additions and 28 deletions
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@ -1,15 +1,19 @@
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Tue Jan 27 18:24:01 1998 Ian Carmichael <iancarm@cygnus.com>
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* Very, very early support for vu1 based on sce code.
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Thu Jan 22 15:44:46 1998 Ian Carmichael <iancarm@cygnus.com>
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* Incorporate GPR_SET from mips/sim-main.h
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* Incorporate GPR_SET from mips/sim-main.h.
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Fri Jan 16 14:25:54 1998 Ian Carmichael <iancarm@cygnus.com>
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* Devices now get decode() call
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* Devices now get decode() call.
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Fri Jan 16 14:25:54 1998 Ian Carmichael <iancarm@cygnus.com>
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* Initial Device Support
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* Initial Device Support.
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Thu Jan 15 10:25:54 1998 Ian Carmichael <iancarm@cygnus.com>
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* ChangeLog created
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* ChangeLog created.
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@ -37,6 +37,7 @@ SIM_OBJS = \
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dma.o \
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vu0.o \
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vu1.o \
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libvpe.o \
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pke.o \
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sim-hload.o \
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sim-engine.o \
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@ -59,6 +60,8 @@ SIM_EXTRA_CFLAGS = \
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-I$(srcdir)/../../newlib/libc/sys/idt \
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$(SIM_@sim_gen@_CFLAGS)
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SIM_EXTRA_CCFLAGS = $(SIM_EXTRA_CFLAGS)
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SIM_EXTRA_CLEAN = clean-igen clean-m16 clean-extra
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SIM_EXTRA_ALL = $(SIM_@sim_gen@_ALL)
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@ -18,6 +18,6 @@ register_devices(SIM_DESC sd)
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dma_attach(sd);
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pke0_attach(sd);
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vu0_attach(sd);
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vu1_attach(sd);
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vu1_init(sd);
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pke1_attach(sd);
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}
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5877
sim/txvu/libvpe.c
Normal file
5877
sim/txvu/libvpe.c
Normal file
File diff suppressed because it is too large
Load diff
35
sim/txvu/libvpe.h
Normal file
35
sim/txvu/libvpe.h
Normal file
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@ -0,0 +1,35 @@
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/****************************************************************************/
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/* */
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/* Sony Computer Entertainment CONFIDENTIAL */
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/* (C) 1997 Sony Computer Entertainment Inc. All Rights Reserved */
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/* */
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/* VPE1 simulator (part of VU1) global variables */
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/* */
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/****************************************************************************/
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#ifndef LIBVPE_H_
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#define LIBVPE_H_
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extern unsigned long _ITOP;
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extern unsigned long _TOP;
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extern unsigned long _vpepc;
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extern int _is_dbg;
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extern int _is_verb;
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extern int _is_dump;
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extern int _pgpuif;
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extern FILE *_fp_gpu;
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extern int _GIF_SIM_OFF;
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extern int _GIF_BUSY;
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extern int _GIF_VUCALL;
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extern int _GIF_VUADDR;
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#include "vu.h"
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void initvpe(VectorUnitState *state);
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void vpecallms_init(VectorUnitState *state);
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void vpecallms_cycle(VectorUnitState* state);
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#endif
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114
sim/txvu/vpe.h
Normal file
114
sim/txvu/vpe.h
Normal file
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@ -0,0 +1,114 @@
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/****************************************************************************/
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/* */
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/* Sony Computer Entertainment CONFIDENTIAL */
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/* (C) 1997 Sony Computer Entertainment Inc. All Rights Reserved */
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/* */
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/* VU simulator global definitions */
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/* */
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/****************************************************************************/
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#include <stdio.h>
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#include <sys/types.h>
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#include <strings.h>
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#include <math.h>
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typedef struct {
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int no; /* destination register number VF:0-31 VI:32-47*/
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int mask; /* specify which units calculate */
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float vf[4]; /* calculated value */
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int flag; /*0: empty in this pipeline stage,
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1: write value to reg,
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2: store value from reg,
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3: write value to I-reg ( not used ),
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4: write only status to statusflag,
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5: write only clip value to clipflag,
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6: move value from EFU reg */
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u_long status; /* calculation unit status */
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u_long addr; /* store address ( store operation )*/
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char code[32]; /* instruction */
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} PIPELINE; /* pipeline stage specification for FMAC, Ld/St, RANDU, FDIV */
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typedef struct {
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int no; /* destination register number VI:0-15 */
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short vi; /* calculated value */
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int flag; /* 0: empty in this pipeline stage,
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1: write value to reg */
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char code[32]; /* instruction */
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} IPIPELINE; /* pipeline stage specification for IALU */
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typedef struct {
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int flag; /* 0: empty in this pipeline stage,
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1: write value to I-reg */
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float val; /* calculated value */
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} LOIPIPELINE; /* pipeline stage specification for I bit */
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typedef struct {
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int mask; /* specify which units calculate */
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float acc[4]; /* calculated value */
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int flag; /* 0: empty in this pipeline stage,
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1: write value to ACC */
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} APIPELINE; /* accumulator pipeline stage specification */
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typedef struct {
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int no; /* left stage count of pipeline */
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float vn; /* calculated value */
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int flag; /* 0: move to VN[4]
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1: move to VN[0] (not used)*/
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} SUPIPELINE;
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u_long instbuf[2]; /* instruction buffer. instbuf[0]:Upper, instbuf[1]:Lower*/
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u_long pc, opc; /* pc is next PC, opc is executed PC. see fetch_inst() */
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u_long jaddr; /* branch address */
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float VF[32][4]; /* VF registers */
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/* VF[?][0] = x, VF[?][1] = y, VF[?][2] = z, VF[?][3] = w */
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short VI[16]; /* VI registers */
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float ACC[4]; /* accumulator registers */
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float Q; /* FDIV register */
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float I; /* I register */
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u_long R; /* RANDU register */
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float VN[32]; /* EFU registers */
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u_long MACflag;
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u_long statusflag;
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u_long clipflag;
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u_long MEM[4096][4]; /* VU (data) memory */
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u_long uMEM[1024][2]; /* Micro (instruction) memory */
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PIPELINE pipe[4][2]; /* FMAC, Ld/St, RANDU piepline */
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PIPELINE qpipe[7]; /* FDIV(DIV,DQRT) pipeline */
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PIPELINE rqpipe[13]; /*FDIV(RSQRT) pipeline */
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IPIPELINE ipipe[2]; /* IALU pipeline */
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APIPELINE apipe; /* ACC pipeline stage */
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SUPIPELINE spipe; /* EFU pipeline stage */
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LOIPIPELINE Ipipe; /* I-bit pipeline stage */
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int eflag, jflag, peflag, sflag;
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/* eflag: E-bit detect flag
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0: not detect, 1: detect, -1: fetch stage terminate
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jflag: branch detect flag
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0: not detect, 1: detect
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peflag: end delay slot execute flag
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0: not execute, 1: execute, -1: finished ececution
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sflag: data hazard stall flag
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0: not stall, 1: stall */
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u_long bp; /* break point address */
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u_long ecount; /* end counter */
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int intr_mode; /* interactive mode enable */
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int verb_mode; /* verbose mode enable */
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int dpr_mode; /* PRT (debug print) instruction enable */
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u_long all_count; /* amount of executed cycles */
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u_long hc_count; /* amount of hazard stall cycles */
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extern int _GIF_SIM_OFF; /* internal GPUIF simulator disable */
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extern int _GIF_BUSY; /* external GPUIF simulator is BUSY flag,
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this flag uses when _GIF_SIM_OFF = 1 */
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extern int _GIF_VUCALL; /* XGKICK instruction detect flag,
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this flag uses when _GIF_SIM_OFF = 1 */
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extern int _GIF_VUADDR; /* appointed address by XGKICK instruction,
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this flag uses when _GIF_SIM_OFF = 1 */
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#define DEST_X 0x8
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#define DEST_Y 0x4
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#define DEST_Z 0x2
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#define DEST_W 0x1
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49
sim/txvu/vu.h
Normal file
49
sim/txvu/vu.h
Normal file
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@ -0,0 +1,49 @@
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/* Copyright (C) 1998, Cygnus Solutions
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*/
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#ifndef VU_H_
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#define VU_H_
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#include "sim-main.h"
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#include <sys/types.h>
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typedef u_long MEM_Entry_Type[4];
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typedef u_long uMEM_Entry_Type[2];
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typedef enum { VU_READY, VU_RUN, VU_BREAK } RunState;
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/* See VU Specifications (Ver. 2.10), p7-11 */
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typedef struct {
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u_long vbs : 1; /* busy 0: Idle, 1: Busy */
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u_long vds : 1; /* D bit stop 0: No D bit stop, 1: D bit stop */
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u_long vts : 1; /* T bit stop 0: No T bit stop, 1: T bit stop*/
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u_long vfs : 1; /* ForceBreak stop 0: no ForceBreak stop, 1: ForceBreak stop*/
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u_long vgw : 1; /* XGKICK wait 0: Do not wait, 1: Wait */
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u_long div : 1; /* DIV busy 0: Idle, 1: Busy*/
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u_long efu : 1; /* EF busy 0: Idle, 1: Busy */
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u_long reserved_2:25;
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} VpeStat;
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typedef struct {
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float VF[32][4];
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short VI[16];
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u_long MST;
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u_long MMC;
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u_long MCP;
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u_long MR;
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u_long MI;
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u_long MQ;
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u_long MP;
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u_long MTPC;
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VpeStat VPE_STAT;
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} VectorUnitRegs;
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typedef struct {
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MEM_Entry_Type *MEM; /* VU (data) memory */
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uMEM_Entry_Type *uMEM; /* Micro (instruction) memory */
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VectorUnitRegs regs;
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RunState runState;
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} VectorUnitState;
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#endif
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271
sim/txvu/vu1.c
271
sim/txvu/vu1.c
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@ -6,34 +6,69 @@
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#include "device.h"
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#include "vu1.h"
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#include "libvpe.h"
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#include "vu.h"
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static char vu1_mem0_buffer[VU1_MEM0_SIZE];
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static char vu1_mem1_buffer[VU1_MEM1_SIZE];
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VectorUnitState vu1_state;
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static char vu1_umem_buffer[VU1_MEM0_SIZE];
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static char vu1_mem_buffer[VU1_MEM1_SIZE];
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void init_vu1();
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void init_vu(VectorUnitState *state, char* umem_buffer, char* mem_buffer);
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void
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vu1_issue()
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{
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if (vu1_state.runState == VU_RUN)
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vpecallms_cycle(&vu1_state);
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}
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int
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vu1_io_read_buffer(device *me,
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void *dest,
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int space,
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address_word addr,
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unsigned nr_bytes,
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sim_cpu *processor,
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sim_cia cia)
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vu1_io_read_register_window(device *me,
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void *dest,
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int space,
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address_word addr,
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unsigned nr_bytes,
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sim_cpu *processor,
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sim_cia cia)
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{
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printf("%s: Read!\n", me->name);
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/* Slow and crappy hack ... */
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printf(" vu1_mem0[0] = %d\n", *(int*)&vu1_mem0_buffer[0]);
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printf(" vu1_mem1[0] = %d\n", *(int*)&vu1_mem1_buffer[0]);
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int i;
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char source_buffer[VU1_REGISTER_WINDOW_SIZE];
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char* src;
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memcpy(source_buffer, &vu1_state.regs.VF[0][0], 0x200); /* copy VF registers */
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for (i = 0; i<16; i++ ) {
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*(short*)&source_buffer[0x200 + i*16] = vu1_state.regs.VI[i];
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}
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*(u_long*)&source_buffer[VU1_MST - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MST;
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*(u_long*)&source_buffer[VU1_MMC - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MMC;
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*(u_long*)&source_buffer[VU1_MCP - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MCP;
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*(u_long*)&source_buffer[VU1_MR - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MR;
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*(u_long*)&source_buffer[VU1_MI - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MI;
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*(u_long*)&source_buffer[VU1_MQ - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MQ;
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*(u_long*)&source_buffer[VU1_MP - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MP;
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*(u_long*)&source_buffer[VU1_MTPC - VU1_REGISTER_WINDOW_START] = vu1_state.regs.MTPC;
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*(VpeStat*)&source_buffer[VPE1_STAT - VU1_REGISTER_WINDOW_START] = vu1_state.regs.VPE_STAT;
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printf("%s: Read: %x, %d, dest: %x, space: %d, %x!\n", me->name, addr, nr_bytes, dest, space, vu1_state.regs.VPE_STAT);
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printf(" vu1_state.regs.VPE_STAT = %x\n", vu1_state.regs.VPE_STAT);
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if (addr + nr_bytes > VU1_REGISTER_WINDOW_END) {
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fprintf(stderr, "Error: Read past end of vu1 register window!!!\n");
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exit(1);
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}
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src = &source_buffer[0] + (addr - VU1_REGISTER_WINDOW_START);
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memcpy(dest, src, nr_bytes);
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return nr_bytes;
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}
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int
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vu1_io_write_buffer(device *me,
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vu1_io_write_register_window(device *me,
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const void *source,
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int space,
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address_word addr,
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@ -41,20 +76,54 @@ vu1_io_write_buffer(device *me,
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sim_cpu *processor,
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sim_cia cia)
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{
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printf("%s: Write!\n", me->name);
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char *dest;
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if (addr == VPE1_STAT && nr_bytes == 4) {
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/* Magic to switch VU to run state, until other methods are available. */
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vu1_state.runState = VU_RUN;
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vu1_state.regs.VPE_STAT.vbs = 1;
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printf("Magic start run...\n");
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printf("%x,%x,%x,%x\n", &vu1_state.regs.VF[0][0], &vu1_state.regs.VPE_STAT,
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((char*)&vu1_state.regs.VPE_STAT) - ((char*)&vu1_state.regs.VF[0][0]),
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((char*)&vu1_state.regs.VPE_STAT) - ((char*)&vu1_state.regs.VF[0][0]) + VU1_REGISTER_WINDOW_START
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);
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printf("%x,%x,%x,%x\n", &vu1_state.regs.VF[0][0], &vu1_state.regs.VI[0],
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((char*)&vu1_state.regs.VI[0]) - ((char*)&vu1_state.regs.VF[0][0]),
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((char*)&vu1_state.regs.VI[0]) - ((char*)&vu1_state.regs.VF[0][0]) + VU1_REGISTER_WINDOW_START
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);
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printf("%x,%x,%x,%x\n", &vu1_state.regs.VF[0][0], &vu1_state.regs.MST,
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((char*)&vu1_state.regs.MST) - ((char*)&vu1_state.regs.VF[0][0]),
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((char*)&vu1_state.regs.MST) - ((char*)&vu1_state.regs.VF[0][0]) + VU1_REGISTER_WINDOW_START
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);
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return nr_bytes;
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}
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printf("%s: Write: %x, %d, source: %x, space: %d!\n", me->name, addr, nr_bytes, source, space);
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if (addr + nr_bytes > VU1_REGISTER_WINDOW_END) {
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fprintf(stderr, "Error: Read past end of vu1 register window!!!\n");
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exit(1);
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}
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dest = ((char*) (&vu1_state.regs)) + (addr - VU1_REGISTER_WINDOW_START);
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memcpy(dest, source, nr_bytes);
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return nr_bytes;
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}
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device vu1_device =
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{
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"vu1",
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&vu1_io_read_buffer,
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&vu1_io_write_buffer
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&vu1_io_read_register_window,
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&vu1_io_write_register_window
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};
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void
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vu1_attach(SIM_DESC sd)
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vu1_init(SIM_DESC sd)
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{
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sim_core_attach (sd,
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NULL,
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0 /*level*/,
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@ -75,7 +144,7 @@ vu1_attach(SIM_DESC sd)
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VU1_MEM0_SIZE /*nr_bytes*/,
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0 /*modulo*/,
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0 /*device*/,
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&vu1_mem0_buffer /*buffer*/);
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&vu1_umem_buffer /*buffer*/);
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sim_core_attach (sd,
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NULL,
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@ -86,5 +155,169 @@ vu1_attach(SIM_DESC sd)
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VU1_MEM1_SIZE /*nr_bytes*/,
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0 /*modulo*/,
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0 /*device*/,
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&vu1_mem1_buffer /*buffer*/);
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&vu1_mem_buffer /*buffer*/);
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init_vu1();
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/*initvpe();*/
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vpecallms_init(&vu1_state);
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}
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/****************************************************************************/
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/* */
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/* Sony Computer Entertainment CONFIDENTIAL */
|
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/* (C) 1997 Sony Computer Entertainment Inc. All Rights Reserved */
|
||||
/* */
|
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/* VPE1 simulator */
|
||||
/* */
|
||||
/****************************************************************************/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <sys/types.h>
|
||||
#include <strings.h>
|
||||
#include "libvpe.h"
|
||||
|
||||
char ifilename[64] = "vu.bin";
|
||||
char ofilename[64] = "";
|
||||
char pfilename[64] = "";
|
||||
|
||||
void abend2(char *fmt, char* p) {
|
||||
fprintf(stderr, fmt, p);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
void getoption();
|
||||
|
||||
void init_vu1() {
|
||||
init_vu(&vu1_state, &vu1_umem_buffer[0], &vu1_mem_buffer[0]);
|
||||
}
|
||||
|
||||
void init_vu(VectorUnitState *state, char* umem_buffer, char* mem_buffer)
|
||||
{
|
||||
FILE *fp;
|
||||
int i, j;
|
||||
u_long data[4];
|
||||
|
||||
/* set up memory buffers */
|
||||
state->uMEM = (uMEM_Entry_Type *) umem_buffer;
|
||||
state->MEM = (MEM_Entry_Type*) mem_buffer;
|
||||
|
||||
/* set up run state */
|
||||
state->runState = VU_READY;
|
||||
|
||||
/* read option */
|
||||
getoption();
|
||||
|
||||
/* read instruction file (mandatory) */
|
||||
if (*ifilename) {
|
||||
if((fp = fopen(ifilename, "r")) == NULL)
|
||||
abend2("%s: can not open\n", ifilename);
|
||||
|
||||
for (i = 0; fread(&data[0], 4, 1, fp) != 0; i++) {
|
||||
fread(&data[1], 4, 1, fp);
|
||||
LoadMMem(state, i, data, 1);
|
||||
}
|
||||
fclose(fp);
|
||||
}
|
||||
|
||||
/* PKE dirven simvpe */
|
||||
if (*pfilename) {
|
||||
/* initpke(pfilename); */
|
||||
initvpe(&vu1_state);
|
||||
/* while (simpke() != -1)
|
||||
simvpe(); */
|
||||
}
|
||||
|
||||
/* conventional simvpe */
|
||||
else {
|
||||
initvpe(&vu1_state);
|
||||
/*simvpe();*/
|
||||
}
|
||||
|
||||
/* write result memory image (optional) */
|
||||
if (*ofilename) {
|
||||
if((fp = fopen(ofilename, "w")) == NULL)
|
||||
abend2("%s: can not open\n", ofilename);
|
||||
|
||||
for(i = 0; i < 2048; i++){
|
||||
StoreVUMem(i, data, 1);
|
||||
for(j = 0; j < 4; j++)
|
||||
fwrite(&data[j], 4, 1, fp);
|
||||
}
|
||||
fclose(fp);
|
||||
}
|
||||
}
|
||||
|
||||
static void Usage(void)
|
||||
{
|
||||
fprintf(stderr, "Usage: simvpe [options]\n");
|
||||
fprintf(stderr, "\t\t-i instruction-file\n");
|
||||
fprintf(stderr, "\t\t-o output-memory-file\n");
|
||||
fprintf(stderr, "\t\t-t PKE-file (text type)\n");
|
||||
fprintf(stderr, "\t\t-s start-address [default = 0]\n");
|
||||
fprintf(stderr, "\t\t-d [interactive mode enable: default desable]\n");
|
||||
fprintf(stderr, "\t\t-v [statistics mode enable: default desable]\n");
|
||||
fprintf(stderr, "\t\t-p [debug print mode enable: default desable]\n");
|
||||
}
|
||||
|
||||
void getoption()
|
||||
{
|
||||
int startline = 0;
|
||||
int count = 1;
|
||||
|
||||
_is_dbg = 1;
|
||||
_vpepc = 0;
|
||||
_is_verb = 0;
|
||||
_is_dump = 0;
|
||||
_pgpuif = 2;
|
||||
_ITOP = 20;
|
||||
_TOP = 10;
|
||||
|
||||
#if 0
|
||||
while(argc - count){
|
||||
if(argv[count][0] == '-'){
|
||||
switch(argv[count][1]){
|
||||
case 'i':
|
||||
strcpy(ifilename, argv[count+1]);
|
||||
count += 2;
|
||||
break;
|
||||
case 'o':
|
||||
strcpy(ofilename, argv[count+1]);
|
||||
count += 2;
|
||||
break;
|
||||
case 't':
|
||||
strcpy(pfilename, argv[count+1]);
|
||||
count += 2;
|
||||
break;
|
||||
case 's':
|
||||
sscanf(argv[count+1], "%d", &startline);
|
||||
_vpepc = startline;
|
||||
count += 2;
|
||||
break;
|
||||
case 'd':
|
||||
_is_dbg = 1;
|
||||
count += 1;
|
||||
break;
|
||||
case 'v':
|
||||
_is_verb = 1;
|
||||
count += 1;
|
||||
break;
|
||||
case 'p':
|
||||
_is_dump = 1;
|
||||
count += 1;
|
||||
break;
|
||||
case 'h':
|
||||
case '?':
|
||||
Usage();
|
||||
exit(1);
|
||||
break;
|
||||
default:
|
||||
Usage();
|
||||
exit(1);
|
||||
}
|
||||
}else{
|
||||
Usage();
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
|
|
|||
|
|
@ -26,11 +26,17 @@ void vu1_issue();
|
|||
/* ... */
|
||||
#define VU1_VI15 0x110072f0
|
||||
|
||||
/* ... */
|
||||
#define VU1_MST 0x11007300
|
||||
#define VU1_MMC 0x11007310
|
||||
#define VU1_MCP 0x11007320
|
||||
#define VU1_MR 0x11007330
|
||||
#define VU1_MI 0x11007340
|
||||
#define VU1_MQ 0x11007350
|
||||
#define VU1_MP 0x11007360
|
||||
#define VU1_MTPC 0x110073a0
|
||||
#define VPE1_STAT 0x110073d0
|
||||
|
||||
#define VPE1_STAT 0x11007370
|
||||
|
||||
#define VU1_REGISTER_WINDOW_END 0x11007380
|
||||
#define VU1_REGISTER_WINDOW_END 0x110073e0
|
||||
|
||||
#define VU1_REGISTER_WINDOW_SIZE (VU1_REGISTER_WINDOW_END - VU1_REGISTER_WINDOW_START)
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue