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#ifndef CPU_TRANSPUTER_H |
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#define CPU_TRANSPUTER_H |
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|
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/* |
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* Copyright (C) 2006-2007 Anders Gavare. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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* $Id: cpu_transputer.h,v 1.7 2006/12/30 13:31:00 debug Exp $ |
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*/ |
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|
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#include "misc.h" |
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|
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|
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struct cpu_family; |
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|
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|
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/* TRANSPUTER CPU types: */ |
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struct transputer_cpu_type_def { |
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char *name; |
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int bits; /* 16 or 32 */ |
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int onchip_ram; /* 2048 or 4096 bytes */ |
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int features; |
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}; |
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|
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/* |
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* Features of various transputer processors according to |
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* http://www.enlight.ru/docs/cpu/t-puters/talp/app_g.txt: |
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* |
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* (TODO: Add the T9000 too?) |
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*/ |
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|
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#define T_T4_FP 1 /* T4 floating point */ |
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#define T_T8_FP 2 /* T8 floating point */ |
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#define T_2D_BLOCK 4 /* 2D Block Move instruction */ |
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#define T_FMUL 8 /* FMUL instruction */ |
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#define T_DUP 16 /* DUP instruction */ |
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#define T_WSUBDB 32 /* WSUBDB instruction */ |
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#define T_CRC 64 /* CRC instruction */ |
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#define T_BITCOUNT 128 /* BITCOUNT instruction */ |
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#define T_FPTESTERR 256 /* FPTESTERR instruction */ |
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#define T_DEBUG 512 /* Debug capabilities */ |
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|
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#define TRANSPUTER_CPU_TYPE_DEFS { \ |
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{ "T212", 16, 2048, 0 }, \ |
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{ "T222", 16, 4096, 0 }, \ |
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{ "T225", 16, 4096, T_DUP | T_WSUBDB | T_CRC | T_BITCOUNT | \ |
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T_DEBUG }, \ |
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{ "T414", 32, 2048, T_FMUL | T_T4_FP }, \ |
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{ "T425", 32, 4096, T_T4_FP | T_2D_BLOCK | T_FMUL | T_WSUBDB | \ |
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T_DUP | T_CRC | T_BITCOUNT | T_FPTESTERR | \ |
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T_DEBUG }, \ |
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{ "T800", 32, 4096, T_T8_FP | T_2D_BLOCK | T_FMUL | T_WSUBDB | \ |
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T_DUP | T_CRC | T_BITCOUNT | T_FPTESTERR }, \ |
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{ "T801", 32, 4096, T_T8_FP | T_2D_BLOCK | T_FMUL | T_WSUBDB | \ |
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T_DUP | T_CRC | T_BITCOUNT | T_FPTESTERR }, \ |
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{ "T805", 32, 4096, T_T8_FP | T_2D_BLOCK | T_FMUL | T_WSUBDB | \ |
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T_DUP | T_CRC | T_BITCOUNT | T_FPTESTERR | \ |
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T_DEBUG }, \ |
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{ NULL, 0, 0, 0 } } |
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|
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#define TRANSPUTER_INSTRUCTIONS { \ |
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/* 0X */ "j", /* jump */ \ |
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/* 1X */ "ldlp", /* load local pointer */ \ |
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/* 2X */ "pfix", /* prefix */ \ |
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/* 3X */ "ldnl", /* load non-local */ \ |
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/* 4X */ "ldc", /* load constant */ \ |
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/* 5X */ "ldnlp", /* load non-local pointer */ \ |
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/* 6X */ "nfix", /* negative prefix */ \ |
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/* 7X */ "ldl", /* load local */ \ |
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/* 8X */ "adc", /* add constant */ \ |
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/* 9X */ "call", /* call subroutine */ \ |
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/* AX */ "cj", /* conditional jump */ \ |
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/* BX */ "ajw", /* adjust workspace */ \ |
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/* CX */ "eqc", /* equals constant */ \ |
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/* DX */ "stl", /* store local */ \ |
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/* EX */ "stnl", /* store non-local */ \ |
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/* FX */ "opr" /* operate */ } |
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|
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#define T_OPC_J 0 |
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#define T_OPC_LDLP 1 |
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#define T_OPC_PFIX 2 |
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#define T_OPC_LDNL 3 |
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#define T_OPC_LDC 4 |
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#define T_OPC_LDNLP 5 |
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#define T_OPC_NFIX 6 |
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#define T_OPC_LDL 7 |
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#define T_OPC_ADC 8 |
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#define T_OPC_CALL 9 |
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#define T_OPC_CJ 10 |
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#define T_OPC_AJW 11 |
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#define T_OPC_EQC 12 |
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#define T_OPC_STL 13 |
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#define T_OPC_STNL 14 |
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#define T_OPC_OPR 15 |
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|
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/* Indirect ("operate") opcodes: */ |
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#define N_TRANSPUTER_OPC_F_NAMES 0x90 |
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#define TRANSPUTER_OPC_F_NAMES { \ |
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"rev", "lb", "bsub", "endp", "diff", "add", "gcall","in", \ |
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"prod", "gt", "wsub", "out", "sub", "startp","outbyte","outword",\ |
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"seterr","0x11","resetch","csub0", "0x14", "stopp","ladd", "stlb", \ |
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"sthf", "norm", "ldiv", "ldpi", "stlf", "xdble","ldpri","rem", \ |
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"ret", "lend", "ldtimer","0x23","0x24","0x25", "0x26", "0x27", \ |
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"0x28", "testerr","testpranal","tin", "div", "0x2d", "dist", "disc", \ |
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"diss", "lmul", "not", "xor", "bcnt", "lshr", "lshl", "lsum", \ |
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"lsub", "runp", "xword","sb", "gajw", "savel","saveh","wcnt", \ |
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"shr" , "shl", "mint", "alt", "altwt","altend","and","enbt", \ |
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"enbc", "enbs", "move", "or", "csngl", "ccnt1", "talt", "ldiff", \ |
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"sthb", "taltwt","sum", "mul","sttimer","stoperr","cword","clrhalterr",\ |
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"sethalterr", "testhalterr", "dup", "move2dinit", \ |
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"move2dall", "move2dnonzero","move2dzero","0x5f", \ |
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"0x60", "0x61", "0x62", "unpacksn","0x64","0x65","0x66","0x67", \ |
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"0x68", "0x69", "0x6a", "0x6b", "postnormsn","roundsn","0x6e","0x6f", \ |
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"0x70", "ldinf","fmul", "cflerr", \ |
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"crcword", "crcbyte", "bitcnt", "bitrevword", \ |
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"bitrevnbits","0x79","0x7a","0x7b", "0x7c", "0x7d", "0x7e", "0x7f", \ |
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"0x80", "wsubdb","0x82", "0x83", "0x84", "0x85", "0x86", "0x87", \ |
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"0x88", "0x89", "0x8a", "0x8b", "0x8c", "0x8d", "0x8e", "0x8f" } |
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|
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#define T_OPC_F_REV 0x00 |
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#define T_OPC_F_LB 0x01 |
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#define T_OPC_F_BSUB 0x02 |
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#define T_OPC_F_ENDP 0x03 |
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#define T_OPC_F_DIFF 0x04 |
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#define T_OPC_F_ADD 0x05 |
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#define T_OPC_F_GCALL 0x06 |
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#define T_OPC_F_IN 0x07 |
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#define T_OPC_F_PROD 0x08 |
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#define T_OPC_F_GT 0x09 |
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#define T_OPC_F_WSUB 0x0a |
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#define T_OPC_F_OUT 0x0b |
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#define T_OPC_F_SUB 0x0c |
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#define T_OPC_F_STARTP 0x0d |
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#define T_OPC_F_OUTBYTE 0x0e |
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#define T_OPC_F_OUTWORD 0x0f |
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#define T_OPC_F_SETERR 0x10 |
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#define T_OPC_F_RESETCH 0x12 |
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#define T_OPC_F_CSUB0 0x13 |
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#define T_OPC_F_STOPP 0x15 |
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#define T_OPC_F_LADD 0x16 |
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#define T_OPC_F_STLB 0x17 |
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#define T_OPC_F_STHF 0x18 |
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#define T_OPC_F_NORM 0x19 |
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#define T_OPC_F_LDIV 0x1a |
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#define T_OPC_F_LDPI 0x1b |
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#define T_OPC_F_STLF 0x1c |
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#define T_OPC_F_XDBLE 0x1d |
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#define T_OPC_F_LDPRI 0x1e |
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#define T_OPC_F_REM 0x1f |
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#define T_OPC_F_RET 0x20 |
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#define T_OPC_F_LEND 0x21 |
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#define T_OPC_F_LDTIMER 0x22 |
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#define T_OPC_F_TESTERR 0x29 |
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#define T_OPC_F_TESTPRANAL 0x2a |
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#define T_OPC_F_TIN 0x2b |
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#define T_OPC_F_DIV 0x2c |
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#define T_OPC_F_DIST 0x2e |
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#define T_OPC_F_DISC 0x2f |
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#define T_OPC_F_DISS 0x30 |
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#define T_OPC_F_LMUL 0x31 |
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#define T_OPC_F_NOT 0x32 |
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#define T_OPC_F_XOR 0x33 |
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#define T_OPC_F_BCNT 0x34 |
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#define T_OPC_F_LSHR 0x35 |
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#define T_OPC_F_LSHL 0x36 |
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#define T_OPC_F_LSUM 0x37 |
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#define T_OPC_F_LSUB 0x38 |
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#define T_OPC_F_RUNP 0x39 |
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#define T_OPC_F_XWORD 0x3a |
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#define T_OPC_F_SB 0x3b |
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#define T_OPC_F_GAJW 0x3c |
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#define T_OPC_F_SAVEL 0x3d |
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#define T_OPC_F_SAVEH 0x3e |
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#define T_OPC_F_WCNT 0x3f |
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#define T_OPC_F_SHR 0x40 |
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#define T_OPC_F_SHL 0x41 |
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#define T_OPC_F_MINT 0x42 |
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#define T_OPC_F_ALT 0x43 |
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#define T_OPC_F_ALTWT 0x44 |
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#define T_OPC_F_ALTEND 0x45 |
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#define T_OPC_F_AND 0x46 |
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#define T_OPC_F_ENBT 0x47 |
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#define T_OPC_F_ENBC 0x48 |
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#define T_OPC_F_ENBS 0x49 |
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#define T_OPC_F_MOVE 0x4a |
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#define T_OPC_F_OR 0x4b |
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#define T_OPC_F_CSNGL 0x4c |
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#define T_OPC_F_CCNT1 0x4d |
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#define T_OPC_F_TALT 0x4e |
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#define T_OPC_F_LDIFF 0x4f |
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#define T_OPC_F_STHB 0x50 |
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#define T_OPC_F_TALTWT 0x51 |
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#define T_OPC_F_SUM 0x52 |
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#define T_OPC_F_STTIMER 0x54 |
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#define T_OPC_F_MUL 0x53 |
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#define T_OPC_F_STOPERR 0x55 |
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#define T_OPC_F_CWORD 0x56 |
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#define T_OPC_F_CLRHALTERR 0x57 |
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#define T_OPC_F_SETHALTERR 0x58 |
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#define T_OPC_F_TESTHALTERR 0x59 |
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#define T_OPC_F_DUP 0x5a |
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#define T_OPC_F_MOVE2DINIT 0x5b |
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#define T_OPC_F_MOVE2DALL 0x5c |
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#define T_OPC_F_MOVE2DNONZERO 0x5d |
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#define T_OPC_F_MOVE2DZERO 0x5e |
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#define T_OPC_F_UNPACKSN 0x63 |
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#define T_OPC_F_POSTNORMSN 0x6c |
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#define T_OPC_F_ROUNDSN 0x6d |
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#define T_OPC_F_LDINF 0x71 |
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#define T_OPC_F_FMUL 0x72 |
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#define T_OPC_F_CFLERR 0x73 |
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#define T_OPC_F_CRCWORD 0x74 |
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#define T_OPC_F_CRCBYTE 0x75 |
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#define T_OPC_F_BITCNT 0x76 |
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#define T_OPC_F_BITREVWORD 0x77 |
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#define T_OPC_F_BITREVNBITS 0x78 |
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#define T_OPC_F_WSUBSB 0x81 |
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|
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#define TRANSPUTER_N_IC_ARGS 1 |
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#define TRANSPUTER_INSTR_ALIGNMENT_SHIFT 0 |
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#define TRANSPUTER_IC_ENTRIES_SHIFT 12 |
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#define TRANSPUTER_IC_ENTRIES_PER_PAGE (1 << TRANSPUTER_IC_ENTRIES_SHIFT) |
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#define TRANSPUTER_PC_TO_IC_ENTRY(a) (((a)>>TRANSPUTER_INSTR_ALIGNMENT_SHIFT) \ |
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& (TRANSPUTER_IC_ENTRIES_PER_PAGE-1)) |
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#define TRANSPUTER_ADDR_TO_PAGENR(a) ((a) >> (TRANSPUTER_IC_ENTRIES_SHIFT \ |
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+ TRANSPUTER_INSTR_ALIGNMENT_SHIFT)) |
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|
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DYNTRANS_MISC_DECLARATIONS(transputer,TRANSPUTER,uint32_t) |
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|
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#define TRANSPUTER_MAX_VPH_TLB_ENTRIES 128 |
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|
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|
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struct transputer_cpu { |
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struct transputer_cpu_type_def cpu_type; |
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|
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uint32_t a, b, c; /* GPRs */ |
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uint32_t wptr; /* Workspace/stack pointer */ |
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uint32_t oreg; /* Operand register */ |
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|
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uint64_t fa, fb, fc; /* Floating point registers */ |
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|
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int error; /* Error flags... */ |
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int halt_on_error; |
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int fp_error; |
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|
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uint32_t bptrreg0; /* High Priority Front Pointer */ |
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uint32_t fptrreg0; /* High Priority Back Pointer */ |
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uint32_t fptrreg1; /* Low Priority Front Pointer */ |
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uint32_t bptrreg1; /* Low Priority Back Pointer */ |
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|
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/* |
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* Instruction translation cache and 32-bit virtual -> physical -> |
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* host address translation: |
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*/ |
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DYNTRANS_ITC(transputer) |
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VPH_TLBS(transputer,TRANSPUTER) |
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VPH32(transputer,TRANSPUTER,uint32_t,uint8_t) |
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}; |
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|
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|
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/* cpu_transputer.c: */ |
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int transputer_run_instr(struct cpu *cpu); |
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void transputer_update_translation_table(struct cpu *cpu, uint64_t vaddr_page, |
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unsigned char *host_page, int writeflag, uint64_t paddr_page); |
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void transputer_invalidate_translation_caches(struct cpu *cpu, uint64_t, int); |
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void transputer_invalidate_code_translation(struct cpu *cpu, uint64_t, int); |
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int transputer_memory_rw(struct cpu *cpu, struct memory *mem, uint64_t vaddr, |
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unsigned char *data, size_t len, int writeflag, int cache_flags); |
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int transputer_cpu_family_init(struct cpu_family *); |
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|
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|
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#endif /* CPU_TRANSPUTER_H */ |
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