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robfinch |
// ============================================================================
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// __
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// \\__/ o\ (C) 2016 Robert Finch, Stratford
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// \ __ / All rights reserved.
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// \/_// robfinch<remove>@finitron.ca
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// ||
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//
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// A64 - Assembler
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// - 64 bit CPU
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//
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// This source file is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This source file is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ============================================================================
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//
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#include "stdafx.h"
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static void emitAlignedCode(int cd);
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static void process_shifti(int oc, int funct3, int funct7);
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static void ProcessEOL(int opt);
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extern int first_rodata;
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extern int first_data;
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extern int first_bss;
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| 35 |
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extern int htable[100000];
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extern int htblcnt[100000];
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extern int htblmax;
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extern int pass;
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| 39 |
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| 40 |
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static int64_t ca;
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| 41 |
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| 42 |
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extern int use_gp;
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| 44 |
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#define OPT64 0
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#define OPTX32 1
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#define OPTLUI0 0
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// ----------------------------------------------------------------------------
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// Return the register number or -1 if not a register.
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// Parses pretty register names like SP or BP in addition to r1,r2,etc.
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// ----------------------------------------------------------------------------
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static int getRegisterX()
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| 54 |
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{
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int reg;
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| 56 |
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| 57 |
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while(isspace(*inptr)) inptr++;
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| 58 |
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switch(*inptr) {
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| 59 |
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case 'x': case 'X':
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| 60 |
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if (isdigit(inptr[1])) {
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| 61 |
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reg = inptr[1]-'0';
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| 62 |
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if (isdigit(inptr[2])) {
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reg = 10 * reg + (inptr[2]-'0');
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| 64 |
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if (isdigit(inptr[3])) {
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| 65 |
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reg = 10 * reg + (inptr[3]-'0');
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| 66 |
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if (isIdentChar(inptr[4]))
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| 67 |
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return -1;
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| 68 |
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inptr += 4;
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| 69 |
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NextToken();
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| 70 |
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return reg;
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| 71 |
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}
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| 72 |
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else if (isIdentChar(inptr[3]))
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| 73 |
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return -1;
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| 74 |
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else {
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| 75 |
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inptr += 3;
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| 76 |
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NextToken();
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| 77 |
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return reg;
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| 78 |
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}
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| 79 |
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}
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| 80 |
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else if (isIdentChar(inptr[2]))
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| 81 |
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return -1;
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else {
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inptr += 2;
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NextToken();
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return reg;
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}
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}
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else return -1;
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case 'a': case 'A':
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| 90 |
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if (isdigit(inptr[1])) {
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reg = inptr[1]-'0' + 18;
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if (isIdentChar(inptr[2]))
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return -1;
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else {
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inptr += 2;
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NextToken();
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return reg;
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}
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}
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else return -1;
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case 'f': case 'F':
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if ((inptr[1]=='P' || inptr[1]=='p') && !isIdentChar(inptr[2])) {
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inptr += 2;
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NextToken();
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| 105 |
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return 2;
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| 106 |
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}
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break;
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| 108 |
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case 'g': case 'G':
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| 109 |
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if ((inptr[1]=='P' || inptr[1]=='p') && !isIdentChar(inptr[2])) {
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| 110 |
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inptr += 2;
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NextToken();
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return 26;
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}
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break;
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case 's': case 'S':
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if ((inptr[1]=='P' || inptr[1]=='p') && !isIdentChar(inptr[2])) {
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inptr += 2;
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NextToken();
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return 14;
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}
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break;
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case 't': case 'T':
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if (isdigit(inptr[1])) {
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reg = inptr[1]-'0' + 26;
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if (isIdentChar(inptr[2]))
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return -1;
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else {
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inptr += 2;
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NextToken();
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return reg;
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}
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}
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if ((inptr[1]=='P' || inptr[1]=='p') && !isIdentChar(inptr[2])) {
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inptr += 2;
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NextToken();
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return 15;
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}
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/*
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if ((inptr[1]=='R' || inptr[1]=='r') && !isIdentChar(inptr[2])) {
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inptr += 2;
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| 141 |
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NextToken();
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return 24;
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| 143 |
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}
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*/
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break;
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case 'p': case 'P':
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if ((inptr[1]=='c' || inptr[1]=='C') && !isIdentChar(inptr[2])) {
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| 148 |
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inptr += 2;
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| 149 |
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NextToken();
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| 150 |
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return 29;
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| 151 |
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}
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break;
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case 'l': case 'L':
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| 154 |
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if ((inptr[1]=='R' || inptr[1]=='r') && !isIdentChar(inptr[2])) {
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inptr += 2;
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NextToken();
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| 157 |
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return 31;
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| 158 |
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}
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break;
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| 160 |
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case 'r': case 'R':
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if ((inptr[1]=='a' || inptr[1]=='A') && !isIdentChar(inptr[2])) {
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inptr += 2;
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NextToken();
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return 1;
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}
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break;
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case 'v': case 'V':
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if (inptr[1]=='0' || inptr[1]=='1') {
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reg = inptr[1]-'0' + 16;
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| 170 |
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if (isIdentChar(inptr[2]))
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return -1;
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| 172 |
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else {
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inptr += 2;
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NextToken();
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return reg;
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}
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}
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default:
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return -1;
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| 180 |
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}
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| 181 |
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return -1;
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| 182 |
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}
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| 183 |
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| 184 |
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static int isdelim(char ch)
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{
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| 186 |
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return ch==',' || ch=='[' || ch=='(' || ch==']' || ch==')' || ch=='.';
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| 187 |
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}
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| 188 |
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| 189 |
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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| 191 |
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| 192 |
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static int getCodeareg()
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{
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| 194 |
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int pr;
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| 195 |
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| 196 |
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SkipSpaces();
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| 197 |
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if (inptr[0]=='c' || inptr[0]=='C') {
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| 198 |
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if (isdigit(inptr[1]) && (inptr[2]==',' || isdelim(inptr[2]) || isspace(inptr[2]))) {
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| 199 |
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pr = (inptr[1]-'0');
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| 200 |
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inptr += 2;
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| 201 |
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}
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| 202 |
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else if (isdigit(inptr[1]) && isdigit(inptr[2]) && (inptr[3]==',' || isdelim(inptr[3]) || isspace(inptr[3]))) {
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| 203 |
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pr = ((inptr[1]-'0') * 10) + (inptr[2]-'0');
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| 204 |
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inptr += 3;
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| 205 |
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}
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| 206 |
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else
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| 207 |
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return -1;
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| 208 |
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}
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| 209 |
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else
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| 210 |
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return -1;
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| 211 |
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NextToken();
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| 212 |
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return pr;
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| 213 |
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}
|
| 214 |
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|
| 215 |
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|
| 216 |
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// ----------------------------------------------------------------------------
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| 217 |
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// Get the friendly name of a special purpose register.
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| 218 |
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// ----------------------------------------------------------------------------
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| 219 |
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| 220 |
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static int DSD6_getSprRegister()
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| 221 |
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{
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| 222 |
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int reg;
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| 223 |
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int pr;
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| 224 |
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|
| 225 |
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while(isspace(*inptr)) inptr++;
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| 226 |
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reg = getCodeareg();
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| 227 |
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if (reg >= 0) {
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| 228 |
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reg |= 0x10;
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| 229 |
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return reg;
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| 230 |
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}
|
| 231 |
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if (inptr[0]=='p' || inptr[0]=='P') {
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| 232 |
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if (isdigit(inptr[1]) && isdigit(inptr[2])) {
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| 233 |
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pr = ((inptr[1]-'0' * 10) + (inptr[2]-'0'));
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| 234 |
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if (!isIdentChar(inptr[3])) {
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| 235 |
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inptr += 3;
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| 236 |
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NextToken();
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| 237 |
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return pr | 0x40;
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| 238 |
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}
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| 239 |
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}
|
| 240 |
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else if (isdigit(inptr[1])) {
|
| 241 |
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pr = (inptr[1]-'0');
|
| 242 |
|
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if (!isIdentChar(inptr[2])) {
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| 243 |
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inptr += 2;
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| 244 |
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NextToken();
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| 245 |
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return pr | 0x40;
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| 246 |
|
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}
|
| 247 |
|
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}
|
| 248 |
|
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}
|
| 249 |
|
|
|
| 250 |
|
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while(isspace(*inptr)) inptr++;
|
| 251 |
|
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switch(*inptr) {
|
| 252 |
|
|
|
| 253 |
|
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case '0':
|
| 254 |
|
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case '1':
|
| 255 |
|
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case '2':
|
| 256 |
|
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case '3':
|
| 257 |
|
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case '4':
|
| 258 |
|
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case '5':
|
| 259 |
|
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case '6':
|
| 260 |
|
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case '7':
|
| 261 |
|
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case '8':
|
| 262 |
|
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case '9':
|
| 263 |
|
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NextToken();
|
| 264 |
|
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NextToken();
|
| 265 |
|
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return ival.low;
|
| 266 |
|
|
|
| 267 |
|
|
// arg1
|
| 268 |
|
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case 'a': case 'A':
|
| 269 |
|
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if ((inptr[1]=='r' || inptr[1]=='R') &&
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| 270 |
|
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(inptr[2]=='g' || inptr[2]=='G') &&
|
| 271 |
|
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(inptr[3]=='1' || inptr[3]=='1') &&
|
| 272 |
|
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!isIdentChar(inptr[4])) {
|
| 273 |
|
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inptr += 4;
|
| 274 |
|
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NextToken();
|
| 275 |
|
|
return 58;
|
| 276 |
|
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}
|
| 277 |
|
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break;
|
| 278 |
|
|
// bear
|
| 279 |
|
|
case 'b': case 'B':
|
| 280 |
|
|
if ((inptr[1]=='e' || inptr[1]=='E') &&
|
| 281 |
|
|
(inptr[2]=='a' || inptr[2]=='A') &&
|
| 282 |
|
|
(inptr[3]=='r' || inptr[3]=='R') &&
|
| 283 |
|
|
!isIdentChar(inptr[4])) {
|
| 284 |
|
|
inptr += 4;
|
| 285 |
|
|
NextToken();
|
| 286 |
|
|
return 11;
|
| 287 |
|
|
}
|
| 288 |
|
|
break;
|
| 289 |
|
|
// cas clk cr0 cr3 cs CPL
|
| 290 |
|
|
case 'c': case 'C':
|
| 291 |
|
|
if ((inptr[1]=='a' || inptr[1]=='A') &&
|
| 292 |
|
|
(inptr[2]=='s' || inptr[2]=='S') &&
|
| 293 |
|
|
!isIdentChar(inptr[3])) {
|
| 294 |
|
|
inptr += 3;
|
| 295 |
|
|
NextToken();
|
| 296 |
|
|
return 44;
|
| 297 |
|
|
}
|
| 298 |
|
|
if ((inptr[1]=='l' || inptr[1]=='L') &&
|
| 299 |
|
|
(inptr[2]=='k' || inptr[2]=='K') &&
|
| 300 |
|
|
!isIdentChar(inptr[3])) {
|
| 301 |
|
|
inptr += 3;
|
| 302 |
|
|
NextToken();
|
| 303 |
|
|
return 0x06;
|
| 304 |
|
|
}
|
| 305 |
|
|
if ((inptr[1]=='r' || inptr[1]=='R') &&
|
| 306 |
|
|
(inptr[2]=='0') &&
|
| 307 |
|
|
!isIdentChar(inptr[3])) {
|
| 308 |
|
|
inptr += 3;
|
| 309 |
|
|
NextToken();
|
| 310 |
|
|
return 0x00;
|
| 311 |
|
|
}
|
| 312 |
|
|
if ((inptr[1]=='r' || inptr[1]=='R') &&
|
| 313 |
|
|
(inptr[2]=='3') &&
|
| 314 |
|
|
!isIdentChar(inptr[3])) {
|
| 315 |
|
|
inptr += 3;
|
| 316 |
|
|
NextToken();
|
| 317 |
|
|
return 0x03;
|
| 318 |
|
|
}
|
| 319 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 320 |
|
|
!isIdentChar(inptr[2])) {
|
| 321 |
|
|
if (inptr[2]=='.') {
|
| 322 |
|
|
if ((inptr[3]=='l' || inptr[3]=='L') &&
|
| 323 |
|
|
(inptr[4]=='m' || inptr[4]=='M') &&
|
| 324 |
|
|
(inptr[5]=='t' || inptr[5]=='T') &&
|
| 325 |
|
|
!isIdentChar(inptr[6])) {
|
| 326 |
|
|
inptr += 6;
|
| 327 |
|
|
NextToken();
|
| 328 |
|
|
return 0x2F;
|
| 329 |
|
|
}
|
| 330 |
|
|
}
|
| 331 |
|
|
inptr += 2;
|
| 332 |
|
|
NextToken();
|
| 333 |
|
|
return 0x27;
|
| 334 |
|
|
}
|
| 335 |
|
|
if ((inptr[1]=='p' || inptr[1]=='P') &&
|
| 336 |
|
|
(inptr[2]=='l' || inptr[2]=='L') &&
|
| 337 |
|
|
!isIdentChar(inptr[3])) {
|
| 338 |
|
|
inptr += 3;
|
| 339 |
|
|
NextToken();
|
| 340 |
|
|
return 42;
|
| 341 |
|
|
}
|
| 342 |
|
|
break;
|
| 343 |
|
|
|
| 344 |
|
|
// dbad0 dbad1 dbctrl dpc dsp ds
|
| 345 |
|
|
case 'd': case 'D':
|
| 346 |
|
|
if ((inptr[1]=='b' || inptr[1]=='B') &&
|
| 347 |
|
|
(inptr[2]=='a' || inptr[2]=='A') &&
|
| 348 |
|
|
(inptr[3]=='d' || inptr[3]=='D') &&
|
| 349 |
|
|
(inptr[4]=='0' || inptr[4]=='0') &&
|
| 350 |
|
|
!isIdentChar(inptr[5])) {
|
| 351 |
|
|
inptr += 5;
|
| 352 |
|
|
NextToken();
|
| 353 |
|
|
return 50;
|
| 354 |
|
|
}
|
| 355 |
|
|
if ((inptr[1]=='b' || inptr[1]=='B') &&
|
| 356 |
|
|
(inptr[2]=='a' || inptr[2]=='A') &&
|
| 357 |
|
|
(inptr[3]=='d' || inptr[3]=='D') &&
|
| 358 |
|
|
(inptr[4]=='1' || inptr[4]=='1') &&
|
| 359 |
|
|
!isIdentChar(inptr[5])) {
|
| 360 |
|
|
inptr += 5;
|
| 361 |
|
|
NextToken();
|
| 362 |
|
|
return 51;
|
| 363 |
|
|
}
|
| 364 |
|
|
if ((inptr[1]=='b' || inptr[1]=='B') &&
|
| 365 |
|
|
(inptr[2]=='a' || inptr[2]=='A') &&
|
| 366 |
|
|
(inptr[3]=='d' || inptr[3]=='D') &&
|
| 367 |
|
|
(inptr[4]=='2' || inptr[4]=='2') &&
|
| 368 |
|
|
!isIdentChar(inptr[5])) {
|
| 369 |
|
|
inptr += 5;
|
| 370 |
|
|
NextToken();
|
| 371 |
|
|
return 52;
|
| 372 |
|
|
}
|
| 373 |
|
|
if ((inptr[1]=='b' || inptr[1]=='B') &&
|
| 374 |
|
|
(inptr[2]=='a' || inptr[2]=='A') &&
|
| 375 |
|
|
(inptr[3]=='d' || inptr[3]=='D') &&
|
| 376 |
|
|
(inptr[4]=='3' || inptr[4]=='3') &&
|
| 377 |
|
|
!isIdentChar(inptr[5])) {
|
| 378 |
|
|
inptr += 5;
|
| 379 |
|
|
NextToken();
|
| 380 |
|
|
return 53;
|
| 381 |
|
|
}
|
| 382 |
|
|
if ((inptr[1]=='b' || inptr[1]=='B') &&
|
| 383 |
|
|
(inptr[2]=='c' || inptr[2]=='C') &&
|
| 384 |
|
|
(inptr[3]=='t' || inptr[3]=='T') &&
|
| 385 |
|
|
(inptr[4]=='r' || inptr[4]=='R') &&
|
| 386 |
|
|
(inptr[5]=='l' || inptr[5]=='L') &&
|
| 387 |
|
|
!isIdentChar(inptr[6])) {
|
| 388 |
|
|
inptr += 6;
|
| 389 |
|
|
NextToken();
|
| 390 |
|
|
return 54;
|
| 391 |
|
|
}
|
| 392 |
|
|
if ((inptr[1]=='p' || inptr[1]=='P') &&
|
| 393 |
|
|
(inptr[2]=='c' || inptr[2]=='C') &&
|
| 394 |
|
|
!isIdentChar(inptr[3])) {
|
| 395 |
|
|
inptr += 3;
|
| 396 |
|
|
NextToken();
|
| 397 |
|
|
return 7;
|
| 398 |
|
|
}
|
| 399 |
|
|
if (
|
| 400 |
|
|
(inptr[1]=='b' || inptr[1]=='B') &&
|
| 401 |
|
|
(inptr[2]=='p' || inptr[2]=='P') &&
|
| 402 |
|
|
(inptr[3]=='c' || inptr[3]=='C') &&
|
| 403 |
|
|
!isIdentChar(inptr[4])) {
|
| 404 |
|
|
inptr += 4;
|
| 405 |
|
|
NextToken();
|
| 406 |
|
|
return 7;
|
| 407 |
|
|
}
|
| 408 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 409 |
|
|
(inptr[2]=='p' || inptr[2]=='P') &&
|
| 410 |
|
|
!isIdentChar(inptr[3])) {
|
| 411 |
|
|
inptr += 3;
|
| 412 |
|
|
NextToken();
|
| 413 |
|
|
return 16;
|
| 414 |
|
|
}
|
| 415 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 416 |
|
|
!isIdentChar(inptr[2])) {
|
| 417 |
|
|
if (inptr[2]=='.') {
|
| 418 |
|
|
if ((inptr[3]=='l' || inptr[3]=='L') &&
|
| 419 |
|
|
(inptr[4]=='m' || inptr[4]=='M') &&
|
| 420 |
|
|
(inptr[5]=='t' || inptr[5]=='T') &&
|
| 421 |
|
|
!isIdentChar(inptr[6])) {
|
| 422 |
|
|
inptr += 6;
|
| 423 |
|
|
NextToken();
|
| 424 |
|
|
return 0x29;
|
| 425 |
|
|
}
|
| 426 |
|
|
}
|
| 427 |
|
|
inptr += 2;
|
| 428 |
|
|
NextToken();
|
| 429 |
|
|
return 0x21;
|
| 430 |
|
|
}
|
| 431 |
|
|
break;
|
| 432 |
|
|
|
| 433 |
|
|
// ea epc esp es
|
| 434 |
|
|
case 'e': case 'E':
|
| 435 |
|
|
if ((inptr[1]=='a' || inptr[1]=='A') &&
|
| 436 |
|
|
!isIdentChar(inptr[2])) {
|
| 437 |
|
|
inptr += 2;
|
| 438 |
|
|
NextToken();
|
| 439 |
|
|
return 40;
|
| 440 |
|
|
}
|
| 441 |
|
|
if ((inptr[1]=='p' || inptr[1]=='P') &&
|
| 442 |
|
|
(inptr[2]=='c' || inptr[2]=='C') &&
|
| 443 |
|
|
!isIdentChar(inptr[3])) {
|
| 444 |
|
|
inptr += 3;
|
| 445 |
|
|
NextToken();
|
| 446 |
|
|
return 9;
|
| 447 |
|
|
}
|
| 448 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 449 |
|
|
(inptr[2]=='p' || inptr[2]=='P') &&
|
| 450 |
|
|
!isIdentChar(inptr[3])) {
|
| 451 |
|
|
inptr += 3;
|
| 452 |
|
|
NextToken();
|
| 453 |
|
|
return 17;
|
| 454 |
|
|
}
|
| 455 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 456 |
|
|
!isIdentChar(inptr[2])) {
|
| 457 |
|
|
if (inptr[2]=='.') {
|
| 458 |
|
|
if ((inptr[3]=='l' || inptr[3]=='L') &&
|
| 459 |
|
|
(inptr[4]=='m' || inptr[4]=='M') &&
|
| 460 |
|
|
(inptr[5]=='t' || inptr[5]=='T') &&
|
| 461 |
|
|
!isIdentChar(inptr[6])) {
|
| 462 |
|
|
inptr += 6;
|
| 463 |
|
|
NextToken();
|
| 464 |
|
|
return 0x2A;
|
| 465 |
|
|
}
|
| 466 |
|
|
}
|
| 467 |
|
|
inptr += 2;
|
| 468 |
|
|
NextToken();
|
| 469 |
|
|
return 0x22;
|
| 470 |
|
|
}
|
| 471 |
|
|
break;
|
| 472 |
|
|
|
| 473 |
|
|
// fault_pc fs
|
| 474 |
|
|
case 'f': case 'F':
|
| 475 |
|
|
if ((inptr[1]=='a' || inptr[1]=='A') &&
|
| 476 |
|
|
(inptr[2]=='u' || inptr[2]=='U') &&
|
| 477 |
|
|
(inptr[3]=='l' || inptr[3]=='L') &&
|
| 478 |
|
|
(inptr[4]=='t' || inptr[4]=='T') &&
|
| 479 |
|
|
(inptr[5]=='_' || inptr[5]=='_') &&
|
| 480 |
|
|
(inptr[6]=='p' || inptr[6]=='P') &&
|
| 481 |
|
|
(inptr[7]=='c' || inptr[7]=='C') &&
|
| 482 |
|
|
!isIdentChar(inptr[8])) {
|
| 483 |
|
|
inptr += 8;
|
| 484 |
|
|
NextToken();
|
| 485 |
|
|
return 0x08;
|
| 486 |
|
|
}
|
| 487 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 488 |
|
|
!isIdentChar(inptr[2])) {
|
| 489 |
|
|
if (inptr[2]=='.') {
|
| 490 |
|
|
if ((inptr[3]=='l' || inptr[3]=='L') &&
|
| 491 |
|
|
(inptr[4]=='m' || inptr[4]=='M') &&
|
| 492 |
|
|
(inptr[5]=='t' || inptr[5]=='T') &&
|
| 493 |
|
|
!isIdentChar(inptr[6])) {
|
| 494 |
|
|
inptr += 6;
|
| 495 |
|
|
NextToken();
|
| 496 |
|
|
return 0x2B;
|
| 497 |
|
|
}
|
| 498 |
|
|
}
|
| 499 |
|
|
inptr += 2;
|
| 500 |
|
|
NextToken();
|
| 501 |
|
|
return 0x23;
|
| 502 |
|
|
}
|
| 503 |
|
|
break;
|
| 504 |
|
|
|
| 505 |
|
|
// gs GDT
|
| 506 |
|
|
case 'g': case 'G':
|
| 507 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 508 |
|
|
!isIdentChar(inptr[2])) {
|
| 509 |
|
|
if (inptr[2]=='.') {
|
| 510 |
|
|
if ((inptr[3]=='l' || inptr[3]=='L') &&
|
| 511 |
|
|
(inptr[4]=='m' || inptr[4]=='M') &&
|
| 512 |
|
|
(inptr[5]=='t' || inptr[5]=='T') &&
|
| 513 |
|
|
!isIdentChar(inptr[6])) {
|
| 514 |
|
|
inptr += 6;
|
| 515 |
|
|
NextToken();
|
| 516 |
|
|
return 0x2C;
|
| 517 |
|
|
}
|
| 518 |
|
|
}
|
| 519 |
|
|
inptr += 2;
|
| 520 |
|
|
NextToken();
|
| 521 |
|
|
return 0x24;
|
| 522 |
|
|
}
|
| 523 |
|
|
if ((inptr[1]=='d' || inptr[1]=='D') &&
|
| 524 |
|
|
(inptr[2]=='t' || inptr[2]=='T') &&
|
| 525 |
|
|
!isIdentChar(inptr[3])) {
|
| 526 |
|
|
inptr += 3;
|
| 527 |
|
|
NextToken();
|
| 528 |
|
|
return 41;
|
| 529 |
|
|
}
|
| 530 |
|
|
break;
|
| 531 |
|
|
|
| 532 |
|
|
// history
|
| 533 |
|
|
case 'h': case 'H':
|
| 534 |
|
|
if ((inptr[1]=='i' || inptr[1]=='I') &&
|
| 535 |
|
|
(inptr[2]=='s' || inptr[2]=='S') &&
|
| 536 |
|
|
(inptr[3]=='t' || inptr[3]=='T') &&
|
| 537 |
|
|
(inptr[4]=='o' || inptr[4]=='O') &&
|
| 538 |
|
|
(inptr[5]=='r' || inptr[5]=='R') &&
|
| 539 |
|
|
(inptr[6]=='y' || inptr[6]=='Y') &&
|
| 540 |
|
|
!isIdentChar(inptr[7])) {
|
| 541 |
|
|
inptr += 7;
|
| 542 |
|
|
NextToken();
|
| 543 |
|
|
return 0x0D;
|
| 544 |
|
|
}
|
| 545 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 546 |
|
|
!isIdentChar(inptr[2])) {
|
| 547 |
|
|
if (inptr[2]=='.') {
|
| 548 |
|
|
if ((inptr[3]=='l' || inptr[3]=='L') &&
|
| 549 |
|
|
(inptr[4]=='m' || inptr[4]=='M') &&
|
| 550 |
|
|
(inptr[5]=='t' || inptr[5]=='T') &&
|
| 551 |
|
|
!isIdentChar(inptr[6])) {
|
| 552 |
|
|
inptr += 6;
|
| 553 |
|
|
NextToken();
|
| 554 |
|
|
return 0x2D;
|
| 555 |
|
|
}
|
| 556 |
|
|
}
|
| 557 |
|
|
inptr += 2;
|
| 558 |
|
|
NextToken();
|
| 559 |
|
|
return 0x25;
|
| 560 |
|
|
}
|
| 561 |
|
|
break;
|
| 562 |
|
|
|
| 563 |
|
|
// ipc isp ivno
|
| 564 |
|
|
case 'i': case 'I':
|
| 565 |
|
|
if ((inptr[1]=='p' || inptr[1]=='P') &&
|
| 566 |
|
|
(inptr[2]=='c' || inptr[2]=='C') &&
|
| 567 |
|
|
!isIdentChar(inptr[3])) {
|
| 568 |
|
|
inptr += 3;
|
| 569 |
|
|
NextToken();
|
| 570 |
|
|
return 8;
|
| 571 |
|
|
}
|
| 572 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 573 |
|
|
(inptr[2]=='p' || inptr[2]=='P') &&
|
| 574 |
|
|
!isIdentChar(inptr[3])) {
|
| 575 |
|
|
inptr += 3;
|
| 576 |
|
|
NextToken();
|
| 577 |
|
|
return 15;
|
| 578 |
|
|
}
|
| 579 |
|
|
if ((inptr[1]=='v' || inptr[1]=='V') &&
|
| 580 |
|
|
(inptr[2]=='n' || inptr[2]=='N') &&
|
| 581 |
|
|
(inptr[3]=='o' || inptr[3]=='O') &&
|
| 582 |
|
|
!isIdentChar(inptr[4])) {
|
| 583 |
|
|
inptr += 4;
|
| 584 |
|
|
NextToken();
|
| 585 |
|
|
return 0x0C;
|
| 586 |
|
|
}
|
| 587 |
|
|
break;
|
| 588 |
|
|
|
| 589 |
|
|
|
| 590 |
|
|
// LC LDT
|
| 591 |
|
|
case 'l': case 'L':
|
| 592 |
|
|
if ((inptr[1]=='c' || inptr[1]=='C') &&
|
| 593 |
|
|
!isIdentChar(inptr[2])) {
|
| 594 |
|
|
inptr += 2;
|
| 595 |
|
|
NextToken();
|
| 596 |
|
|
return 0x33;
|
| 597 |
|
|
}
|
| 598 |
|
|
if ((inptr[1]=='d' || inptr[1]=='D') &&
|
| 599 |
|
|
(inptr[2]=='t' || inptr[2]=='T') &&
|
| 600 |
|
|
!isIdentChar(inptr[3])) {
|
| 601 |
|
|
inptr += 3;
|
| 602 |
|
|
NextToken();
|
| 603 |
|
|
return 40;
|
| 604 |
|
|
}
|
| 605 |
|
|
break;
|
| 606 |
|
|
|
| 607 |
|
|
// pregs
|
| 608 |
|
|
case 'p': case 'P':
|
| 609 |
|
|
if ((inptr[1]=='r' || inptr[1]=='R') &&
|
| 610 |
|
|
(inptr[2]=='e' || inptr[2]=='E') &&
|
| 611 |
|
|
(inptr[3]=='g' || inptr[3]=='G') &&
|
| 612 |
|
|
(inptr[4]=='s' || inptr[4]=='S') &&
|
| 613 |
|
|
!isIdentChar(inptr[5])) {
|
| 614 |
|
|
inptr += 5;
|
| 615 |
|
|
NextToken();
|
| 616 |
|
|
return 52;
|
| 617 |
|
|
}
|
| 618 |
|
|
break;
|
| 619 |
|
|
|
| 620 |
|
|
// rand
|
| 621 |
|
|
case 'r': case 'R':
|
| 622 |
|
|
if ((inptr[1]=='a' || inptr[1]=='A') &&
|
| 623 |
|
|
(inptr[2]=='n' || inptr[2]=='N') &&
|
| 624 |
|
|
(inptr[3]=='d' || inptr[3]=='D') &&
|
| 625 |
|
|
!isIdentChar(inptr[4])) {
|
| 626 |
|
|
inptr += 4;
|
| 627 |
|
|
NextToken();
|
| 628 |
|
|
return 0x12;
|
| 629 |
|
|
}
|
| 630 |
|
|
break;
|
| 631 |
|
|
// ss_ll srand1 srand2 ss segsw segbase seglmt segacr
|
| 632 |
|
|
case 's': case 'S':
|
| 633 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 634 |
|
|
(inptr[2]=='_' || inptr[2]=='_') &&
|
| 635 |
|
|
(inptr[3]=='l' || inptr[3]=='L') &&
|
| 636 |
|
|
(inptr[4]=='l' || inptr[4]=='L') &&
|
| 637 |
|
|
!isIdentChar(inptr[5])) {
|
| 638 |
|
|
inptr += 5;
|
| 639 |
|
|
NextToken();
|
| 640 |
|
|
return 0x1A;
|
| 641 |
|
|
}
|
| 642 |
|
|
if ((inptr[1]=='r' || inptr[1]=='R') &&
|
| 643 |
|
|
(inptr[2]=='a' || inptr[2]=='A') &&
|
| 644 |
|
|
(inptr[3]=='n' || inptr[3]=='N') &&
|
| 645 |
|
|
(inptr[4]=='d' || inptr[4]=='D') &&
|
| 646 |
|
|
(inptr[5]=='1') &&
|
| 647 |
|
|
!isIdentChar(inptr[6])) {
|
| 648 |
|
|
inptr += 6;
|
| 649 |
|
|
NextToken();
|
| 650 |
|
|
return 0x10;
|
| 651 |
|
|
}
|
| 652 |
|
|
if ((inptr[1]=='r' || inptr[1]=='R') &&
|
| 653 |
|
|
(inptr[2]=='a' || inptr[2]=='A') &&
|
| 654 |
|
|
(inptr[3]=='n' || inptr[3]=='N') &&
|
| 655 |
|
|
(inptr[4]=='d' || inptr[4]=='D') &&
|
| 656 |
|
|
(inptr[5]=='2') &&
|
| 657 |
|
|
!isIdentChar(inptr[6])) {
|
| 658 |
|
|
inptr += 6;
|
| 659 |
|
|
NextToken();
|
| 660 |
|
|
return 0x11;
|
| 661 |
|
|
}
|
| 662 |
|
|
if ((inptr[1]=='p' || inptr[1]=='P') &&
|
| 663 |
|
|
(inptr[2]=='r' || inptr[2]=='R') &&
|
| 664 |
|
|
isdigit(inptr[3]) && isdigit(inptr[4]) &&
|
| 665 |
|
|
!isIdentChar(inptr[5])) {
|
| 666 |
|
|
inptr += 5;
|
| 667 |
|
|
NextToken();
|
| 668 |
|
|
return (inptr[3]-'0')*10 + (inptr[4]-'0');
|
| 669 |
|
|
}
|
| 670 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 671 |
|
|
!isIdentChar(inptr[2])) {
|
| 672 |
|
|
if (inptr[2]=='.') {
|
| 673 |
|
|
if ((inptr[3]=='l' || inptr[3]=='L') &&
|
| 674 |
|
|
(inptr[4]=='m' || inptr[4]=='M') &&
|
| 675 |
|
|
(inptr[5]=='t' || inptr[5]=='T') &&
|
| 676 |
|
|
!isIdentChar(inptr[6])) {
|
| 677 |
|
|
inptr += 6;
|
| 678 |
|
|
NextToken();
|
| 679 |
|
|
return 0x2E;
|
| 680 |
|
|
}
|
| 681 |
|
|
}
|
| 682 |
|
|
inptr += 2;
|
| 683 |
|
|
NextToken();
|
| 684 |
|
|
return 0x26;
|
| 685 |
|
|
}
|
| 686 |
|
|
// segxxx
|
| 687 |
|
|
if ((inptr[1]=='e' || inptr[1]=='E') &&
|
| 688 |
|
|
(inptr[2]=='g' || inptr[2]=='G')) {
|
| 689 |
|
|
// segsw
|
| 690 |
|
|
if ((inptr[3]=='s' || inptr[3]=='S') &&
|
| 691 |
|
|
(inptr[4]=='w' || inptr[4]=='W') &&
|
| 692 |
|
|
!isIdentChar(inptr[5])) {
|
| 693 |
|
|
inptr += 5;
|
| 694 |
|
|
NextToken();
|
| 695 |
|
|
return 43;
|
| 696 |
|
|
}
|
| 697 |
|
|
// segbase
|
| 698 |
|
|
if ((inptr[3]=='b' || inptr[3]=='B') &&
|
| 699 |
|
|
(inptr[4]=='a' || inptr[4]=='A') &&
|
| 700 |
|
|
(inptr[5]=='s' || inptr[5]=='S') &&
|
| 701 |
|
|
(inptr[6]=='e' || inptr[6]=='E') &&
|
| 702 |
|
|
!isIdentChar(inptr[7])) {
|
| 703 |
|
|
inptr += 7;
|
| 704 |
|
|
NextToken();
|
| 705 |
|
|
return 44;
|
| 706 |
|
|
}
|
| 707 |
|
|
// seglmt
|
| 708 |
|
|
if ((inptr[3]=='l' || inptr[3]=='L') &&
|
| 709 |
|
|
(inptr[4]=='m' || inptr[4]=='M') &&
|
| 710 |
|
|
(inptr[5]=='t' || inptr[5]=='T') &&
|
| 711 |
|
|
!isIdentChar(inptr[6])) {
|
| 712 |
|
|
inptr += 6;
|
| 713 |
|
|
NextToken();
|
| 714 |
|
|
return 45;
|
| 715 |
|
|
}
|
| 716 |
|
|
// segacr
|
| 717 |
|
|
if ((inptr[3]=='a' || inptr[3]=='A') &&
|
| 718 |
|
|
(inptr[4]=='c' || inptr[4]=='C') &&
|
| 719 |
|
|
(inptr[5]=='r' || inptr[5]=='R') &&
|
| 720 |
|
|
!isIdentChar(inptr[6])) {
|
| 721 |
|
|
inptr += 6;
|
| 722 |
|
|
NextToken();
|
| 723 |
|
|
return 47;
|
| 724 |
|
|
}
|
| 725 |
|
|
}
|
| 726 |
|
|
break;
|
| 727 |
|
|
|
| 728 |
|
|
// tag tick
|
| 729 |
|
|
case 't': case 'T':
|
| 730 |
|
|
if ((inptr[1]=='i' || inptr[1]=='I') &&
|
| 731 |
|
|
(inptr[2]=='c' || inptr[2]=='C') &&
|
| 732 |
|
|
(inptr[3]=='k' || inptr[3]=='K') &&
|
| 733 |
|
|
!isIdentChar(inptr[4])) {
|
| 734 |
|
|
inptr += 4;
|
| 735 |
|
|
NextToken();
|
| 736 |
|
|
return 0x32;
|
| 737 |
|
|
}
|
| 738 |
|
|
if ((inptr[1]=='a' || inptr[1]=='A') &&
|
| 739 |
|
|
(inptr[2]=='g' || inptr[2]=='G') &&
|
| 740 |
|
|
!isIdentChar(inptr[3])) {
|
| 741 |
|
|
inptr += 3;
|
| 742 |
|
|
NextToken();
|
| 743 |
|
|
return 41;
|
| 744 |
|
|
}
|
| 745 |
|
|
break;
|
| 746 |
|
|
|
| 747 |
|
|
// vbr
|
| 748 |
|
|
case 'v': case 'V':
|
| 749 |
|
|
if ((inptr[1]=='b' || inptr[1]=='B') &&
|
| 750 |
|
|
(inptr[2]=='r' || inptr[2]=='R') &&
|
| 751 |
|
|
!isIdentChar(inptr[3])) {
|
| 752 |
|
|
inptr += 3;
|
| 753 |
|
|
NextToken();
|
| 754 |
|
|
return 10;
|
| 755 |
|
|
}
|
| 756 |
|
|
break;
|
| 757 |
|
|
case 'z': case 'Z':
|
| 758 |
|
|
if ((inptr[1]=='s' || inptr[1]=='S') &&
|
| 759 |
|
|
!isIdentChar(inptr[2])) {
|
| 760 |
|
|
if (inptr[2]=='.') {
|
| 761 |
|
|
if ((inptr[3]=='l' || inptr[3]=='L') &&
|
| 762 |
|
|
(inptr[4]=='m' || inptr[4]=='M') &&
|
| 763 |
|
|
(inptr[5]=='t' || inptr[5]=='T') &&
|
| 764 |
|
|
!isIdentChar(inptr[6])) {
|
| 765 |
|
|
inptr += 6;
|
| 766 |
|
|
NextToken();
|
| 767 |
|
|
return 0x28;
|
| 768 |
|
|
}
|
| 769 |
|
|
}
|
| 770 |
|
|
inptr += 2;
|
| 771 |
|
|
NextToken();
|
| 772 |
|
|
return 0x20;
|
| 773 |
|
|
}
|
| 774 |
|
|
break;
|
| 775 |
|
|
}
|
| 776 |
|
|
return -1;
|
| 777 |
|
|
}
|
| 778 |
|
|
|
| 779 |
|
|
// ---------------------------------------------------------------------------
|
| 780 |
|
|
// ---------------------------------------------------------------------------
|
| 781 |
|
|
|
| 782 |
|
|
static void emit_insn(int oc, int can_compress)
|
| 783 |
|
|
{
|
| 784 |
|
|
int ndx;
|
| 785 |
|
|
|
| 786 |
|
|
if (pass==3 && can_compress) {
|
| 787 |
|
|
for (ndx = 0; ndx < htblmax; ndx++) {
|
| 788 |
|
|
if (oc == hTable[ndx].opcode) {
|
| 789 |
|
|
hTable[ndx].count++;
|
| 790 |
|
|
return;
|
| 791 |
|
|
}
|
| 792 |
|
|
}
|
| 793 |
|
|
if (htblmax < 100000) {
|
| 794 |
|
|
hTable[htblmax].opcode = oc;
|
| 795 |
|
|
hTable[htblmax].count = 1;
|
| 796 |
|
|
htblmax++;
|
| 797 |
|
|
return;
|
| 798 |
|
|
}
|
| 799 |
|
|
printf("Too many instructions.\r\n");
|
| 800 |
|
|
return;
|
| 801 |
|
|
}
|
| 802 |
|
|
if (pass > 3) {
|
| 803 |
|
|
if (can_compress) {
|
| 804 |
|
|
for (ndx = 0; ndx < htblmax; ndx++) {
|
| 805 |
|
|
if (oc == hTable[ndx].opcode) {
|
| 806 |
|
|
emitAlignedCode(((ndx & 8) << 4)|0x50|(ndx & 0x7));
|
| 807 |
|
|
emitCode(ndx >> 4);
|
| 808 |
|
|
return;
|
| 809 |
|
|
}
|
| 810 |
|
|
}
|
| 811 |
|
|
}
|
| 812 |
|
|
emitAlignedCode(oc & 255);
|
| 813 |
|
|
emitCode((oc >> 8) & 255);
|
| 814 |
|
|
emitCode((oc >> 16) & 255);
|
| 815 |
|
|
emitCode((oc >> 24) & 255);
|
| 816 |
|
|
}
|
| 817 |
|
|
/*
|
| 818 |
|
|
if (processOpt==2) {
|
| 819 |
|
|
for (ndx = 0; ndx < htblmax; ndx++) {
|
| 820 |
|
|
if (oc == hTable[ndx].opcode) {
|
| 821 |
|
|
printf("found opcode\n");
|
| 822 |
|
|
emitAlignedCode(((ndx & 8) << 4)|0x50|(ndx & 0x7));
|
| 823 |
|
|
emitCode(ndx >> 4);
|
| 824 |
|
|
return;
|
| 825 |
|
|
}
|
| 826 |
|
|
}
|
| 827 |
|
|
emitAlignedCode(oc & 255);
|
| 828 |
|
|
emitCode((oc >> 8) & 255);
|
| 829 |
|
|
emitCode((oc >> 16) & 255);
|
| 830 |
|
|
emitCode((oc >> 24) & 255);
|
| 831 |
|
|
}
|
| 832 |
|
|
else {
|
| 833 |
|
|
emitAlignedCode(oc & 255);
|
| 834 |
|
|
emitCode((oc >> 8) & 255);
|
| 835 |
|
|
emitCode((oc >> 16) & 255);
|
| 836 |
|
|
emitCode((oc >> 24) & 255);
|
| 837 |
|
|
}
|
| 838 |
|
|
*/
|
| 839 |
|
|
}
|
| 840 |
|
|
|
| 841 |
|
|
// ---------------------------------------------------------------------------
|
| 842 |
|
|
// ---------------------------------------------------------------------------
|
| 843 |
|
|
|
| 844 |
|
|
static void emit_insn2(int64_t oc)
|
| 845 |
|
|
{
|
| 846 |
|
|
emitCode(oc & 255);
|
| 847 |
|
|
emitCode((oc >> 8) & 255);
|
| 848 |
|
|
emitCode((oc >> 16) & 255);
|
| 849 |
|
|
emitCode((oc >> 24) & 255);
|
| 850 |
|
|
}
|
| 851 |
|
|
|
| 852 |
|
|
|
| 853 |
|
|
// ---------------------------------------------------------------------------
|
| 854 |
|
|
// Emit code aligned to a code address.
|
| 855 |
|
|
// ---------------------------------------------------------------------------
|
| 856 |
|
|
|
| 857 |
|
|
static void emitAlignedCode(int cd)
|
| 858 |
|
|
{
|
| 859 |
|
|
int64_t ad;
|
| 860 |
|
|
|
| 861 |
|
|
ad = code_address & 15;
|
| 862 |
|
|
// while (ad != 0 && ad != 4 && ad != 8 && ad != 12) {
|
| 863 |
|
|
while (ad & 1) {
|
| 864 |
|
|
emitByte(0x00);
|
| 865 |
|
|
ad = code_address & 15;
|
| 866 |
|
|
}
|
| 867 |
|
|
emitByte(cd);
|
| 868 |
|
|
}
|
| 869 |
|
|
|
| 870 |
|
|
|
| 871 |
|
|
// ---------------------------------------------------------------------------
|
| 872 |
|
|
// Emit constant extension for memory operands.
|
| 873 |
|
|
// ---------------------------------------------------------------------------
|
| 874 |
|
|
|
| 875 |
|
|
static void emitImm0(int64_t v, int force)
|
| 876 |
|
|
{
|
| 877 |
|
|
if (v != 0 || force) {
|
| 878 |
|
|
emitAlignedCode(0xfd);
|
| 879 |
|
|
emitCode(v & 255);
|
| 880 |
|
|
emitCode((v >> 8) & 255);
|
| 881 |
|
|
emitCode((v >> 16) & 255);
|
| 882 |
|
|
emitCode((v >> 24) & 255);
|
| 883 |
|
|
}
|
| 884 |
|
|
if (((v < 0) && ((v >> 32) != -1L)) || ((v > 0) && ((v >> 32) != 0L)) || (force && data_bits > 32)) {
|
| 885 |
|
|
emitAlignedCode(0xfe);
|
| 886 |
|
|
emitCode((v >> 32) & 255);
|
| 887 |
|
|
emitCode((v >> 40) & 255);
|
| 888 |
|
|
emitCode((v >> 48) & 255);
|
| 889 |
|
|
emitCode((v >> 56) & 255);
|
| 890 |
|
|
}
|
| 891 |
|
|
}
|
| 892 |
|
|
|
| 893 |
|
|
// ---------------------------------------------------------------------------
|
| 894 |
|
|
// Emit constant extension for memory operands.
|
| 895 |
|
|
// ---------------------------------------------------------------------------
|
| 896 |
|
|
|
| 897 |
|
|
static void emitImm2(int64_t v, int force)
|
| 898 |
|
|
{
|
| 899 |
|
|
if (v < 0L || v > 3L || force) {
|
| 900 |
|
|
emitAlignedCode(0xfd);
|
| 901 |
|
|
emitCode((v >> 2) & 255);
|
| 902 |
|
|
emitCode((v >> 10) & 255);
|
| 903 |
|
|
emitCode((v >> 18) & 255);
|
| 904 |
|
|
emitCode((v >> 26) & 255);
|
| 905 |
|
|
}
|
| 906 |
|
|
if (((v < 0) && ((v >> 34) != -1L)) || ((v > 0) && ((v >> 34) != 0L)) || (force && data_bits > 34)) {
|
| 907 |
|
|
emitAlignedCode(0xfe);
|
| 908 |
|
|
emitCode((v >> 34) & 255);
|
| 909 |
|
|
emitCode((v >> 42) & 255);
|
| 910 |
|
|
emitCode((v >> 50) & 255);
|
| 911 |
|
|
emitCode((v >> 58) & 255);
|
| 912 |
|
|
}
|
| 913 |
|
|
}
|
| 914 |
|
|
|
| 915 |
|
|
// ---------------------------------------------------------------------------
|
| 916 |
|
|
// Emit constant extension for memory operands.
|
| 917 |
|
|
// ---------------------------------------------------------------------------
|
| 918 |
|
|
|
| 919 |
|
|
static void emitImm12(int64_t v, int force)
|
| 920 |
|
|
{
|
| 921 |
|
|
if (v < -2048L || v > 2047L || force) {
|
| 922 |
|
|
emitAlignedCode(0xfd);
|
| 923 |
|
|
emitCode((v >> 12) & 255);
|
| 924 |
|
|
emitCode((v >> 20) & 255);
|
| 925 |
|
|
emitCode((v >> 28) & 255);
|
| 926 |
|
|
emitCode((v >> 36) & 255);
|
| 927 |
|
|
}
|
| 928 |
|
|
if (((v < 0) && ((v >> 44) != -1L)) || ((v > 0) && ((v >> 44) != 0L)) || (force && data_bits > 44)) {
|
| 929 |
|
|
emitAlignedCode(0xfe);
|
| 930 |
|
|
emitCode((v >> 44) & 255);
|
| 931 |
|
|
emitCode((v >> 52) & 255);
|
| 932 |
|
|
emitCode((v >> 60) & 255);
|
| 933 |
|
|
emitCode(0x00);
|
| 934 |
|
|
}
|
| 935 |
|
|
}
|
| 936 |
|
|
|
| 937 |
|
|
// ---------------------------------------------------------------------------
|
| 938 |
|
|
// Emit constant extension for 16-bit operands.
|
| 939 |
|
|
// ---------------------------------------------------------------------------
|
| 940 |
|
|
|
| 941 |
|
|
static void emitImm16(int64_t v, int force)
|
| 942 |
|
|
{
|
| 943 |
|
|
if (v < -32768L || v > 32767L || force) {
|
| 944 |
|
|
emitAlignedCode(0xfd);
|
| 945 |
|
|
emitCode((v >> 16) & 255);
|
| 946 |
|
|
emitCode((v >> 24) & 255);
|
| 947 |
|
|
emitCode((v >> 32) & 255);
|
| 948 |
|
|
emitCode((v >> 40) & 255);
|
| 949 |
|
|
}
|
| 950 |
|
|
if (((v < 0) && ((v >> 48) != -1L)) || ((v > 0) && ((v >> 48) != 0L)) || (force && (code_bits > 48 || data_bits > 48))) {
|
| 951 |
|
|
emitAlignedCode(0xfe);
|
| 952 |
|
|
emitCode((v >> 48) & 255);
|
| 953 |
|
|
emitCode((v >> 56) & 255);
|
| 954 |
|
|
emitCode(0x00);
|
| 955 |
|
|
emitCode(0x00);
|
| 956 |
|
|
}
|
| 957 |
|
|
}
|
| 958 |
|
|
|
| 959 |
|
|
// ---------------------------------------------------------------------------
|
| 960 |
|
|
// Emit constant extension for 24-bit operands.
|
| 961 |
|
|
// ---------------------------------------------------------------------------
|
| 962 |
|
|
|
| 963 |
|
|
static void emitImm20(int64_t v, int force)
|
| 964 |
|
|
{
|
| 965 |
|
|
if (v < -524288L || v > 524287L || force) {
|
| 966 |
|
|
emitAlignedCode(0xfd);
|
| 967 |
|
|
emitCode((v >> 20) & 255);
|
| 968 |
|
|
emitCode((v >> 28) & 255);
|
| 969 |
|
|
emitCode((v >> 36) & 255);
|
| 970 |
|
|
emitCode((v >> 44) & 255);
|
| 971 |
|
|
}
|
| 972 |
|
|
if (((v < 0) && ((v >> 52) != -1L)) || ((v > 0) && ((v >> 52) != 0L)) || (force && (code_bits > 52 || data_bits > 52))) {
|
| 973 |
|
|
emitAlignedCode(0xfe);
|
| 974 |
|
|
emitCode((v >> 52) & 255);
|
| 975 |
|
|
emitCode((v >> 60) & 255);
|
| 976 |
|
|
emitCode(0x00);
|
| 977 |
|
|
emitCode(0x00);
|
| 978 |
|
|
}
|
| 979 |
|
|
}
|
| 980 |
|
|
|
| 981 |
|
|
// ---------------------------------------------------------------------------
|
| 982 |
|
|
// Emit constant extension for 24-bit operands.
|
| 983 |
|
|
// ---------------------------------------------------------------------------
|
| 984 |
|
|
|
| 985 |
|
|
static void emitImm24(int64_t v, int force)
|
| 986 |
|
|
{
|
| 987 |
|
|
if (v < -8388608L || v > 8388607L || force) {
|
| 988 |
|
|
emitAlignedCode(0xfd);
|
| 989 |
|
|
emitCode((v >> 24) & 255);
|
| 990 |
|
|
emitCode((v >> 32) & 255);
|
| 991 |
|
|
emitCode((v >> 40) & 255);
|
| 992 |
|
|
emitCode((v >> 48) & 255);
|
| 993 |
|
|
}
|
| 994 |
|
|
if (((v < 0) && ((v >> 56) != -1L)) || ((v > 0) && ((v >> 56) != 0L)) || (force && (code_bits > 56 || data_bits > 56))) {
|
| 995 |
|
|
emitAlignedCode(0xfe);
|
| 996 |
|
|
emitCode((v >> 56) & 255);
|
| 997 |
|
|
emitCode(0x00);
|
| 998 |
|
|
emitCode(0x00);
|
| 999 |
|
|
emitCode(0x00);
|
| 1000 |
|
|
}
|
| 1001 |
|
|
}
|
| 1002 |
|
|
|
| 1003 |
|
|
// ---------------------------------------------------------------------------
|
| 1004 |
|
|
// Emit constant extension for 32-bit operands.
|
| 1005 |
|
|
// ---------------------------------------------------------------------------
|
| 1006 |
|
|
|
| 1007 |
|
|
static void emitImm32(int64_t v, int force)
|
| 1008 |
|
|
{
|
| 1009 |
|
|
if (v < -2147483648LL || v > 2147483647LL || force) {
|
| 1010 |
|
|
emitAlignedCode(0xfd);
|
| 1011 |
|
|
emitCode((v >> 32) & 255);
|
| 1012 |
|
|
emitCode((v >> 40) & 255);
|
| 1013 |
|
|
emitCode((v >> 48) & 255);
|
| 1014 |
|
|
emitCode((v >> 56) & 255);
|
| 1015 |
|
|
}
|
| 1016 |
|
|
}
|
| 1017 |
|
|
|
| 1018 |
|
|
// ---------------------------------------------------------------------------
|
| 1019 |
|
|
// addi r1,r2,#1234
|
| 1020 |
|
|
// ---------------------------------------------------------------------------
|
| 1021 |
|
|
|
| 1022 |
|
|
static void process_riop(int opcode7)
|
| 1023 |
|
|
{
|
| 1024 |
|
|
int Ra;
|
| 1025 |
|
|
int Rt;
|
| 1026 |
|
|
char *p;
|
| 1027 |
|
|
int64_t val;
|
| 1028 |
|
|
|
| 1029 |
|
|
p = inptr;
|
| 1030 |
|
|
Rt = getRegisterX();
|
| 1031 |
|
|
need(',');
|
| 1032 |
|
|
Ra = getRegisterX();
|
| 1033 |
|
|
need(',');
|
| 1034 |
|
|
NextToken();
|
| 1035 |
|
|
val = expr();
|
| 1036 |
|
|
if (val < -2147483648LL || val > 2147483647LL) {
|
| 1037 |
|
|
emit_insn((0x4080 << 17)|(Rt << 12)|(Ra << 7)|opcode7,!expand_flag);
|
| 1038 |
|
|
emit_insn(val,0);
|
| 1039 |
|
|
emit_insn(val>>32,0);
|
| 1040 |
|
|
}
|
| 1041 |
|
|
else if ((val < -16000LL || val > 16383LL)) {
|
| 1042 |
|
|
{
|
| 1043 |
|
|
emit_insn((0x4000 << 17)|(Rt << 12)|(Ra << 7)|opcode7,1);
|
| 1044 |
|
|
emit_insn(val,0);
|
| 1045 |
|
|
}
|
| 1046 |
|
|
}
|
| 1047 |
|
|
else
|
| 1048 |
|
|
emit_insn(((val & 0x7FFF) << 17)|(Rt << 12)|(Ra << 7)|opcode7,!expand_flag);
|
| 1049 |
|
|
}
|
| 1050 |
|
|
|
| 1051 |
|
|
// ---------------------------------------------------------------------------
|
| 1052 |
|
|
// ---------------------------------------------------------------------------
|
| 1053 |
|
|
|
| 1054 |
|
|
static void process_rrop(int funct7)
|
| 1055 |
|
|
{
|
| 1056 |
|
|
int Ra,Rb,Rt;
|
| 1057 |
|
|
char *p;
|
| 1058 |
|
|
|
| 1059 |
|
|
p = inptr;
|
| 1060 |
|
|
Rt = getRegisterX();
|
| 1061 |
|
|
need(',');
|
| 1062 |
|
|
Ra = getRegisterX();
|
| 1063 |
|
|
need(',');
|
| 1064 |
|
|
NextToken();
|
| 1065 |
|
|
if (token=='#') {
|
| 1066 |
|
|
inptr = p;
|
| 1067 |
|
|
process_riop(funct7);
|
| 1068 |
|
|
return;
|
| 1069 |
|
|
}
|
| 1070 |
|
|
prevToken();
|
| 1071 |
|
|
Rb = getRegisterX();
|
| 1072 |
|
|
//prevToken();
|
| 1073 |
|
|
emit_insn((funct7<<25)|(Rt<<17)|(Rb<<12)|(Ra<<7)|0x02,1);
|
| 1074 |
|
|
}
|
| 1075 |
|
|
|
| 1076 |
|
|
// ---------------------------------------------------------------------------
|
| 1077 |
|
|
// jmp main
|
| 1078 |
|
|
// jsr [r19]
|
| 1079 |
|
|
// jmp (tbl,r2)
|
| 1080 |
|
|
// jsr [gp+r20]
|
| 1081 |
|
|
// ---------------------------------------------------------------------------
|
| 1082 |
|
|
|
| 1083 |
|
|
static void process_jal()
|
| 1084 |
|
|
{
|
| 1085 |
|
|
int64_t addr;
|
| 1086 |
|
|
int Ra, Rb;
|
| 1087 |
|
|
int Rt;
|
| 1088 |
|
|
|
| 1089 |
|
|
Rt = 0;
|
| 1090 |
|
|
NextToken();
|
| 1091 |
|
|
if (token=='(' || token=='[') {
|
| 1092 |
|
|
j1:
|
| 1093 |
|
|
Ra = getRegisterX();
|
| 1094 |
|
|
if (Ra==-1) {
|
| 1095 |
|
|
printf("Expecting a register\r\n");
|
| 1096 |
|
|
return;
|
| 1097 |
|
|
}
|
| 1098 |
|
|
// Simple jmp [Rn]
|
| 1099 |
|
|
else {
|
| 1100 |
|
|
if (token != ')' && token!=']')
|
| 1101 |
|
|
printf("Missing close bracket\r\n");
|
| 1102 |
|
|
emit_insn((Ra << 15)|(Rt<<7)|0x67,1);
|
| 1103 |
|
|
return;
|
| 1104 |
|
|
}
|
| 1105 |
|
|
}
|
| 1106 |
|
|
prevToken();
|
| 1107 |
|
|
Rt = getRegisterX();
|
| 1108 |
|
|
printf("Rt=%d ", Rt);
|
| 1109 |
|
|
if (Rt >= 0) {
|
| 1110 |
|
|
need(',');
|
| 1111 |
|
|
NextToken();
|
| 1112 |
|
|
// jal Rt,[Ra]
|
| 1113 |
|
|
if (token=='(' || token=='[')
|
| 1114 |
|
|
goto j1;
|
| 1115 |
|
|
}
|
| 1116 |
|
|
else
|
| 1117 |
|
|
Rt = 0;
|
| 1118 |
|
|
addr = expr() - code_address;
|
| 1119 |
|
|
printf("Addr=%ld ", addr);
|
| 1120 |
|
|
prevToken();
|
| 1121 |
|
|
// d(Rn)?
|
| 1122 |
|
|
if (token=='(' || token=='[') {
|
| 1123 |
|
|
printf("a ");
|
| 1124 |
|
|
NextToken();
|
| 1125 |
|
|
Ra = getRegisterX();
|
| 1126 |
|
|
if (Ra==-1) {
|
| 1127 |
|
|
printf("Illegal jump address mode.\r\n");
|
| 1128 |
|
|
Ra = 0;
|
| 1129 |
|
|
}
|
| 1130 |
|
|
j2:
|
| 1131 |
|
|
if (addr < -2048 || addr > 2047)
|
| 1132 |
|
|
emit_insn((addr & 0xFFFFF000)|0x37,1);
|
| 1133 |
|
|
emit_insn(((addr & 0xFFF) << 20)|(Ra<<15)|(Rt << 7)|0x67,1);
|
| 1134 |
|
|
return;
|
| 1135 |
|
|
}
|
| 1136 |
|
|
printf("b ");
|
| 1137 |
|
|
if (addr > 524287 || addr < -524288) {
|
| 1138 |
|
|
Ra = 0;
|
| 1139 |
|
|
goto j2;
|
| 1140 |
|
|
}
|
| 1141 |
|
|
printf("emit_insn \r\n");
|
| 1142 |
|
|
emit_insn(
|
| 1143 |
|
|
(((addr & 0x100000)>>20)<< 31) |
|
| 1144 |
|
|
(((addr & 0x7FE)>>1) << 21) |
|
| 1145 |
|
|
(((addr & 0x800)>>11) << 20) |
|
| 1146 |
|
|
(((addr & 0xFF000)>>12) << 12) |
|
| 1147 |
|
|
(Rt << 7) |
|
| 1148 |
|
|
0x6F, 0
|
| 1149 |
|
|
);
|
| 1150 |
|
|
}
|
| 1151 |
|
|
|
| 1152 |
|
|
// ---------------------------------------------------------------------------
|
| 1153 |
|
|
// subui r1,r2,#1234
|
| 1154 |
|
|
// ---------------------------------------------------------------------------
|
| 1155 |
|
|
/*
|
| 1156 |
|
|
static void process_riop(int oc)
|
| 1157 |
|
|
{
|
| 1158 |
|
|
int Ra;
|
| 1159 |
|
|
int Rt;
|
| 1160 |
|
|
char *p;
|
| 1161 |
|
|
int64_t val;
|
| 1162 |
|
|
|
| 1163 |
|
|
p = inptr;
|
| 1164 |
|
|
Rt = getRegisterX();
|
| 1165 |
|
|
need(',');
|
| 1166 |
|
|
Ra = getRegisterX();
|
| 1167 |
|
|
need(',');
|
| 1168 |
|
|
NextToken();
|
| 1169 |
|
|
val = expr();
|
| 1170 |
|
|
|
| 1171 |
|
|
if (lastsym != (SYM *)NULL)
|
| 1172 |
|
|
emitImm16(val,!lastsym->defined);
|
| 1173 |
|
|
else
|
| 1174 |
|
|
emitImm16(val,0);
|
| 1175 |
|
|
|
| 1176 |
|
|
emitImm16(val,lastsym!=(SYM*)NULL);
|
| 1177 |
|
|
emitAlignedCode(oc);
|
| 1178 |
|
|
if (bGen)
|
| 1179 |
|
|
if (lastsym && !use_gp) {
|
| 1180 |
|
|
if( lastsym->segment < 5)
|
| 1181 |
|
|
sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | 3 | (lastsym->isExtern ? 128 : 0) |
|
| 1182 |
|
|
(lastsym->segment==codeseg ? code_bits << 8 : data_bits << 8));
|
| 1183 |
|
|
}
|
| 1184 |
|
|
emitCode(Ra);
|
| 1185 |
|
|
emitCode(Rt);
|
| 1186 |
|
|
emitCode(val & 255);
|
| 1187 |
|
|
emitCode((val >> 8) & 255);
|
| 1188 |
|
|
}
|
| 1189 |
|
|
*/
|
| 1190 |
|
|
// ---------------------------------------------------------------------------
|
| 1191 |
|
|
// fabs.d fp1,fp2[,rm]
|
| 1192 |
|
|
// ---------------------------------------------------------------------------
|
| 1193 |
|
|
|
| 1194 |
|
|
static void process_fprop(int oc)
|
| 1195 |
|
|
{
|
| 1196 |
|
|
int Ra;
|
| 1197 |
|
|
int Rt;
|
| 1198 |
|
|
char *p;
|
| 1199 |
|
|
int sz;
|
| 1200 |
|
|
int fmt;
|
| 1201 |
|
|
int rm;
|
| 1202 |
|
|
|
| 1203 |
|
|
rm = 0;
|
| 1204 |
|
|
sz = 'd';
|
| 1205 |
|
|
if (*inptr=='.') {
|
| 1206 |
|
|
inptr++;
|
| 1207 |
|
|
if (strchr("sdtqSDTQ",*inptr)) {
|
| 1208 |
|
|
sz = tolower(*inptr);
|
| 1209 |
|
|
inptr++;
|
| 1210 |
|
|
}
|
| 1211 |
|
|
else
|
| 1212 |
|
|
printf("Illegal float size.\r\n");
|
| 1213 |
|
|
}
|
| 1214 |
|
|
p = inptr;
|
| 1215 |
|
|
if (oc==0xF6) // fcmp
|
| 1216 |
|
|
Rt = getRegisterX();
|
| 1217 |
|
|
else
|
| 1218 |
|
|
Rt = getFPRegister();
|
| 1219 |
|
|
need(',');
|
| 1220 |
|
|
Ra = getFPRegister();
|
| 1221 |
|
|
if (token==',')
|
| 1222 |
|
|
rm = getFPRoundMode();
|
| 1223 |
|
|
prevToken();
|
| 1224 |
|
|
emitAlignedCode(0x01);
|
| 1225 |
|
|
emitCode(Ra);
|
| 1226 |
|
|
emitCode(Rt);
|
| 1227 |
|
|
switch(sz) {
|
| 1228 |
|
|
case 's': fmt = 0; break;
|
| 1229 |
|
|
case 'd': fmt = 1; break;
|
| 1230 |
|
|
case 't': fmt = 2; break;
|
| 1231 |
|
|
case 'q': fmt = 3; break;
|
| 1232 |
|
|
}
|
| 1233 |
|
|
emitCode((fmt << 3)|rm);
|
| 1234 |
|
|
emitCode(oc);
|
| 1235 |
|
|
}
|
| 1236 |
|
|
|
| 1237 |
|
|
// ---------------------------------------------------------------------------
|
| 1238 |
|
|
// fadd.d fp1,fp2,fp12[,rm]
|
| 1239 |
|
|
// fcmp.d r1,fp3,fp10[,rm]
|
| 1240 |
|
|
// ---------------------------------------------------------------------------
|
| 1241 |
|
|
|
| 1242 |
|
|
static void process_fprrop(int oc)
|
| 1243 |
|
|
{
|
| 1244 |
|
|
int Ra;
|
| 1245 |
|
|
int Rb;
|
| 1246 |
|
|
int Rt;
|
| 1247 |
|
|
char *p;
|
| 1248 |
|
|
int sz;
|
| 1249 |
|
|
int fmt;
|
| 1250 |
|
|
int rm;
|
| 1251 |
|
|
|
| 1252 |
|
|
rm = 0;
|
| 1253 |
|
|
sz = 'd';
|
| 1254 |
|
|
if (*inptr=='.') {
|
| 1255 |
|
|
inptr++;
|
| 1256 |
|
|
if (strchr("sdtqSDTQ",*inptr)) {
|
| 1257 |
|
|
sz = tolower(*inptr);
|
| 1258 |
|
|
inptr++;
|
| 1259 |
|
|
}
|
| 1260 |
|
|
else
|
| 1261 |
|
|
printf("Illegal float size.\r\n");
|
| 1262 |
|
|
}
|
| 1263 |
|
|
p = inptr;
|
| 1264 |
|
|
if (oc==0xF6) // fcmp
|
| 1265 |
|
|
Rt = getRegisterX();
|
| 1266 |
|
|
else
|
| 1267 |
|
|
Rt = getFPRegister();
|
| 1268 |
|
|
need(',');
|
| 1269 |
|
|
Ra = getFPRegister();
|
| 1270 |
|
|
need(',');
|
| 1271 |
|
|
Rb = getFPRegister();
|
| 1272 |
|
|
if (token==',')
|
| 1273 |
|
|
rm = getFPRoundMode();
|
| 1274 |
|
|
prevToken();
|
| 1275 |
|
|
emitAlignedCode(oc);
|
| 1276 |
|
|
emitCode(Ra);
|
| 1277 |
|
|
emitCode(Rb);
|
| 1278 |
|
|
emitCode(Rt);
|
| 1279 |
|
|
switch(sz) {
|
| 1280 |
|
|
case 's': fmt = 0; break;
|
| 1281 |
|
|
case 'd': fmt = 1; break;
|
| 1282 |
|
|
case 't': fmt = 2; break;
|
| 1283 |
|
|
case 'q': fmt = 3; break;
|
| 1284 |
|
|
}
|
| 1285 |
|
|
emitCode((fmt << 3)|rm);
|
| 1286 |
|
|
}
|
| 1287 |
|
|
|
| 1288 |
|
|
// ---------------------------------------------------------------------------
|
| 1289 |
|
|
// fcx r0,#2
|
| 1290 |
|
|
// fdx r1,#0
|
| 1291 |
|
|
// ---------------------------------------------------------------------------
|
| 1292 |
|
|
|
| 1293 |
|
|
static void process_fpstat(int oc)
|
| 1294 |
|
|
{
|
| 1295 |
|
|
int Ra;
|
| 1296 |
|
|
int64_t bits;
|
| 1297 |
|
|
char *p;
|
| 1298 |
|
|
|
| 1299 |
|
|
p = inptr;
|
| 1300 |
|
|
bits = 0;
|
| 1301 |
|
|
Ra = getRegisterX();
|
| 1302 |
|
|
if (token==',') {
|
| 1303 |
|
|
NextToken();
|
| 1304 |
|
|
bits = expr();
|
| 1305 |
|
|
}
|
| 1306 |
|
|
prevToken();
|
| 1307 |
|
|
emitAlignedCode(0x01);
|
| 1308 |
|
|
emitCode(Ra);
|
| 1309 |
|
|
emitCode(bits & 0xff);
|
| 1310 |
|
|
emitCode(0x00);
|
| 1311 |
|
|
emitCode(oc);
|
| 1312 |
|
|
}
|
| 1313 |
|
|
|
| 1314 |
|
|
// ---------------------------------------------------------------------------
|
| 1315 |
|
|
// not r3,r3
|
| 1316 |
|
|
// ---------------------------------------------------------------------------
|
| 1317 |
|
|
|
| 1318 |
|
|
static void process_rop(int oc)
|
| 1319 |
|
|
{
|
| 1320 |
|
|
int Ra;
|
| 1321 |
|
|
int Rt;
|
| 1322 |
|
|
|
| 1323 |
|
|
Rt = getRegisterX();
|
| 1324 |
|
|
need(',');
|
| 1325 |
|
|
Ra = getRegisterX();
|
| 1326 |
|
|
// prevToken();
|
| 1327 |
|
|
emitAlignedCode(1);
|
| 1328 |
|
|
emitCode(Ra);
|
| 1329 |
|
|
emitCode(Rt);
|
| 1330 |
|
|
emitCode(0x00);
|
| 1331 |
|
|
emitCode(oc);
|
| 1332 |
|
|
}
|
| 1333 |
|
|
|
| 1334 |
|
|
// ---------------------------------------------------------------------------
|
| 1335 |
|
|
// brnz r1,label
|
| 1336 |
|
|
// ---------------------------------------------------------------------------
|
| 1337 |
|
|
|
| 1338 |
|
|
static void process_bcc(int opcode4)
|
| 1339 |
|
|
{
|
| 1340 |
|
|
int Ra, Rb;
|
| 1341 |
|
|
int64_t val;
|
| 1342 |
|
|
int64_t disp;
|
| 1343 |
|
|
|
| 1344 |
|
|
Ra = getRegisterX();
|
| 1345 |
|
|
need(',');
|
| 1346 |
|
|
Rb = getRegisterX();
|
| 1347 |
|
|
need(',');
|
| 1348 |
|
|
NextToken();
|
| 1349 |
|
|
val = expr();
|
| 1350 |
|
|
disp = val - code_address;
|
| 1351 |
|
|
printf("exmit branch\r\n");
|
| 1352 |
|
|
emit_insn((disp & 0x7FFF) << 17 |
|
| 1353 |
|
|
(Rb << 12) |
|
| 1354 |
|
|
(Ra << 7) |
|
| 1355 |
|
|
0x10 |
|
| 1356 |
|
|
opcode4,0
|
| 1357 |
|
|
);
|
| 1358 |
|
|
}
|
| 1359 |
|
|
|
| 1360 |
|
|
// ---------------------------------------------------------------------------
|
| 1361 |
|
|
// bra label
|
| 1362 |
|
|
// ---------------------------------------------------------------------------
|
| 1363 |
|
|
|
| 1364 |
|
|
static void process_bra(int oc)
|
| 1365 |
|
|
{
|
| 1366 |
|
|
int64_t val;
|
| 1367 |
|
|
int64_t disp;
|
| 1368 |
|
|
int64_t ad;
|
| 1369 |
|
|
|
| 1370 |
|
|
NextToken();
|
| 1371 |
|
|
val = expr();
|
| 1372 |
|
|
ad = code_address + 5;
|
| 1373 |
|
|
if ((ad & 15)==15)
|
| 1374 |
|
|
ad++;
|
| 1375 |
|
|
disp = ((val & 0xFFFFFFFFFFFFF000L) - (ad & 0xFFFFFFFFFFFFF000L)) >> 12;
|
| 1376 |
|
|
emitAlignedCode(oc);
|
| 1377 |
|
|
emitCode(0x00);
|
| 1378 |
|
|
emitCode(val & 255);
|
| 1379 |
|
|
emitCode(((disp & 15) << 4)|((val >> 8) & 15));
|
| 1380 |
|
|
if (oc==0x56) // BSR
|
| 1381 |
|
|
emitCode((disp >> 4) & 255);
|
| 1382 |
|
|
else
|
| 1383 |
|
|
emitCode((disp >> 4) & 31);
|
| 1384 |
|
|
}
|
| 1385 |
|
|
|
| 1386 |
|
|
// ---------------------------------------------------------------------------
|
| 1387 |
|
|
// expr
|
| 1388 |
|
|
// expr[Reg]
|
| 1389 |
|
|
// expr[Reg+Reg*sc]
|
| 1390 |
|
|
// [Reg]
|
| 1391 |
|
|
// [Reg+Reg*sc]
|
| 1392 |
|
|
// ---------------------------------------------------------------------------
|
| 1393 |
|
|
|
| 1394 |
|
|
static void mem_operand(int64_t *disp, int *regA)
|
| 1395 |
|
|
{
|
| 1396 |
|
|
int64_t val;
|
| 1397 |
|
|
|
| 1398 |
|
|
// chech params
|
| 1399 |
|
|
if (disp == (int64_t *)NULL)
|
| 1400 |
|
|
return;
|
| 1401 |
|
|
if (regA == (int *)NULL)
|
| 1402 |
|
|
return;
|
| 1403 |
|
|
|
| 1404 |
|
|
*disp = 0;
|
| 1405 |
|
|
*regA = -1;
|
| 1406 |
|
|
if (token!='[') {;
|
| 1407 |
|
|
val = expr();
|
| 1408 |
|
|
*disp = val;
|
| 1409 |
|
|
}
|
| 1410 |
|
|
if (token=='[') {
|
| 1411 |
|
|
*regA = getRegisterX();
|
| 1412 |
|
|
if (*regA == -1) {
|
| 1413 |
|
|
printf("expecting a register\r\n");
|
| 1414 |
|
|
}
|
| 1415 |
|
|
need(']');
|
| 1416 |
|
|
}
|
| 1417 |
|
|
}
|
| 1418 |
|
|
|
| 1419 |
|
|
// ---------------------------------------------------------------------------
|
| 1420 |
|
|
// sw disp[r1],r2
|
| 1421 |
|
|
// sw [r1+r2],r3
|
| 1422 |
|
|
// ----------------------------------------------------------------------------
|
| 1423 |
|
|
|
| 1424 |
|
|
static void process_store(int opcode7)
|
| 1425 |
|
|
{
|
| 1426 |
|
|
int Ra;
|
| 1427 |
|
|
int Rs;
|
| 1428 |
|
|
int64_t disp,val;
|
| 1429 |
|
|
|
| 1430 |
|
|
Rs = getRegisterX();
|
| 1431 |
|
|
if (Rs < 0) {
|
| 1432 |
|
|
printf("Expecting a source register.\r\n");
|
| 1433 |
|
|
ScanToEOL();
|
| 1434 |
|
|
return;
|
| 1435 |
|
|
}
|
| 1436 |
|
|
expect(',');
|
| 1437 |
|
|
mem_operand(&disp, &Ra);
|
| 1438 |
|
|
if (Ra < 0) Ra = 0;
|
| 1439 |
|
|
if ((disp < -2048 || disp > 2047) && OPTLUI0) {
|
| 1440 |
|
|
emit_insn((disp & 0xFFFFF000)|(0 << 7)|0x37,1); // LUI
|
| 1441 |
|
|
}
|
| 1442 |
|
|
val = disp;
|
| 1443 |
|
|
if (val < -2147483648LL || val > 2147483647LL) {
|
| 1444 |
|
|
emit_insn((0x4080 << 17)|(Rs << 12)|(Ra << 7)|opcode7,!expand_flag);
|
| 1445 |
|
|
emit_insn(val,0);
|
| 1446 |
|
|
emit_insn(val>>32,0);
|
| 1447 |
|
|
}
|
| 1448 |
|
|
else if ((val < -16000LL || val > 16383LL)) {
|
| 1449 |
|
|
{
|
| 1450 |
|
|
emit_insn((0x4000 << 17)|(Rs << 12)|(Ra << 7)|opcode7,1);
|
| 1451 |
|
|
emit_insn(val,0);
|
| 1452 |
|
|
}
|
| 1453 |
|
|
}
|
| 1454 |
|
|
else
|
| 1455 |
|
|
emit_insn(((val & 0x7FFF) << 17)|(Rs << 12)|(Ra << 7)|opcode7,!expand_flag);
|
| 1456 |
|
|
ScanToEOL();
|
| 1457 |
|
|
}
|
| 1458 |
|
|
|
| 1459 |
|
|
// ----------------------------------------------------------------------------
|
| 1460 |
|
|
// ----------------------------------------------------------------------------
|
| 1461 |
|
|
|
| 1462 |
|
|
static void process_ldi()
|
| 1463 |
|
|
{
|
| 1464 |
|
|
int Ra = 0;
|
| 1465 |
|
|
int Rt;
|
| 1466 |
|
|
int64_t val;
|
| 1467 |
|
|
int opcode7 = 0x09; // ORI
|
| 1468 |
|
|
|
| 1469 |
|
|
Rt = getRegisterX();
|
| 1470 |
|
|
expect(',');
|
| 1471 |
|
|
val = expr();
|
| 1472 |
|
|
if (val < -2147483648LL || val > 2147483647LL) {
|
| 1473 |
|
|
emit_insn((0x4080 << 17)|(Rt << 12)|(Ra << 7)|opcode7,!expand_flag);
|
| 1474 |
|
|
emit_insn(val,0);
|
| 1475 |
|
|
emit_insn(val>>32,0);
|
| 1476 |
|
|
printf("64 bit constant");
|
| 1477 |
|
|
}
|
| 1478 |
|
|
else if ((val < -16000LL || val > 16383LL)) {
|
| 1479 |
|
|
{
|
| 1480 |
|
|
emit_insn((0x4000 << 17)|(Rt << 12)|(Ra << 7)|opcode7,!expand_flag);
|
| 1481 |
|
|
emit_insn(val,0);
|
| 1482 |
|
|
}
|
| 1483 |
|
|
}
|
| 1484 |
|
|
else
|
| 1485 |
|
|
emit_insn(((val & 0x7FFF) << 17)|(Rt << 12)|(Ra << 7)|opcode7,!expand_flag);
|
| 1486 |
|
|
}
|
| 1487 |
|
|
|
| 1488 |
|
|
// ----------------------------------------------------------------------------
|
| 1489 |
|
|
// lw r1,disp[r2]
|
| 1490 |
|
|
// lw r1,[r2+r3]
|
| 1491 |
|
|
// ----------------------------------------------------------------------------
|
| 1492 |
|
|
|
| 1493 |
|
|
static void process_load(int opcode7)
|
| 1494 |
|
|
{
|
| 1495 |
|
|
int Ra;
|
| 1496 |
|
|
int Rt;
|
| 1497 |
|
|
char *p;
|
| 1498 |
|
|
int64_t disp;
|
| 1499 |
|
|
int64_t val;
|
| 1500 |
|
|
int fixup = 5;
|
| 1501 |
|
|
|
| 1502 |
|
|
p = inptr;
|
| 1503 |
|
|
Rt = getRegisterX();
|
| 1504 |
|
|
if (Rt < 0) {
|
| 1505 |
|
|
printf("Expecting a target register.\r\n");
|
| 1506 |
|
|
// printf("Line:%.60s\r\n",p);
|
| 1507 |
|
|
ScanToEOL();
|
| 1508 |
|
|
inptr-=2;
|
| 1509 |
|
|
return;
|
| 1510 |
|
|
}
|
| 1511 |
|
|
expect(',');
|
| 1512 |
|
|
mem_operand(&disp, &Ra);
|
| 1513 |
|
|
if (Ra < 0) Ra = 0;
|
| 1514 |
|
|
val = disp;
|
| 1515 |
|
|
if (val < -2147483648LL || val > 2147483647LL) {
|
| 1516 |
|
|
emit_insn((0x4080 << 17)|(Rt << 12)|(Ra << 7)|opcode7,!expand_flag);
|
| 1517 |
|
|
emit_insn(val,0);
|
| 1518 |
|
|
emit_insn(val>>32,0);
|
| 1519 |
|
|
printf("64 bit constant");
|
| 1520 |
|
|
}
|
| 1521 |
|
|
else if ((val < -16000LL || val > 16383LL)) {
|
| 1522 |
|
|
{
|
| 1523 |
|
|
emit_insn((0x4000 << 17)|(Rt << 12)|(Ra << 7)|opcode7,!expand_flag);
|
| 1524 |
|
|
emit_insn(val,0);
|
| 1525 |
|
|
}
|
| 1526 |
|
|
}
|
| 1527 |
|
|
else
|
| 1528 |
|
|
emit_insn(((val & 0x7FFF) << 17)|(Rt << 12)|(Ra << 7)|opcode7,!expand_flag);
|
| 1529 |
|
|
ScanToEOL();
|
| 1530 |
|
|
}
|
| 1531 |
|
|
|
| 1532 |
|
|
// ----------------------------------------------------------------------------
|
| 1533 |
|
|
// mov r1,r2
|
| 1534 |
|
|
// ----------------------------------------------------------------------------
|
| 1535 |
|
|
|
| 1536 |
|
|
static void process_mov(int oc)
|
| 1537 |
|
|
{
|
| 1538 |
|
|
int Ra;
|
| 1539 |
|
|
int Rt;
|
| 1540 |
|
|
|
| 1541 |
|
|
Rt = getRegisterX();
|
| 1542 |
|
|
need(',');
|
| 1543 |
|
|
Ra = getRegisterX();
|
| 1544 |
|
|
emitAlignedCode(0x01);
|
| 1545 |
|
|
emitCode(Ra);
|
| 1546 |
|
|
emitCode(Rt);
|
| 1547 |
|
|
emitCode(0x00);
|
| 1548 |
|
|
emitCode(oc);
|
| 1549 |
|
|
// prevToken();
|
| 1550 |
|
|
}
|
| 1551 |
|
|
|
| 1552 |
|
|
// ----------------------------------------------------------------------------
|
| 1553 |
|
|
// rts
|
| 1554 |
|
|
// rts #24
|
| 1555 |
|
|
// ----------------------------------------------------------------------------
|
| 1556 |
|
|
|
| 1557 |
|
|
static void process_rts(int oc)
|
| 1558 |
|
|
{
|
| 1559 |
|
|
int64_t val;
|
| 1560 |
|
|
|
| 1561 |
|
|
val = 0;
|
| 1562 |
|
|
NextToken();
|
| 1563 |
|
|
if (token=='#') {
|
| 1564 |
|
|
val = expr();
|
| 1565 |
|
|
}
|
| 1566 |
|
|
emitAlignedCode(oc);
|
| 1567 |
|
|
emitCode(0x00);
|
| 1568 |
|
|
emitCode(val & 255);
|
| 1569 |
|
|
emitCode((val >> 8) & 255);
|
| 1570 |
|
|
emitCode(0x00);
|
| 1571 |
|
|
}
|
| 1572 |
|
|
|
| 1573 |
|
|
// ----------------------------------------------------------------------------
|
| 1574 |
|
|
// srli r1,r2,#5
|
| 1575 |
|
|
// ----------------------------------------------------------------------------
|
| 1576 |
|
|
|
| 1577 |
|
|
static void process_shifti(int funct7)
|
| 1578 |
|
|
{
|
| 1579 |
|
|
int Ra;
|
| 1580 |
|
|
int Rt;
|
| 1581 |
|
|
int64_t val;
|
| 1582 |
|
|
|
| 1583 |
|
|
Rt = getRegisterX();
|
| 1584 |
|
|
need(',');
|
| 1585 |
|
|
Ra = getRegisterX();
|
| 1586 |
|
|
need(',');
|
| 1587 |
|
|
NextToken();
|
| 1588 |
|
|
val = expr();
|
| 1589 |
|
|
emit_insn((funct7 << 25) | ((val & 0x20) << 22) | (Rt << 17)| ((val & 0x1F) << 12) | (Ra << 7) | 0x02,1); // ORI
|
| 1590 |
|
|
}
|
| 1591 |
|
|
|
| 1592 |
|
|
// ----------------------------------------------------------------------------
|
| 1593 |
|
|
// gran r1
|
| 1594 |
|
|
// ----------------------------------------------------------------------------
|
| 1595 |
|
|
|
| 1596 |
|
|
static void process_gran(int oc)
|
| 1597 |
|
|
{
|
| 1598 |
|
|
int Rt;
|
| 1599 |
|
|
|
| 1600 |
|
|
Rt = getRegisterX();
|
| 1601 |
|
|
emitAlignedCode(0x01);
|
| 1602 |
|
|
emitCode(0x00);
|
| 1603 |
|
|
emitCode(Rt);
|
| 1604 |
|
|
emitCode(0x00);
|
| 1605 |
|
|
emitCode(oc);
|
| 1606 |
|
|
prevToken();
|
| 1607 |
|
|
}
|
| 1608 |
|
|
|
| 1609 |
|
|
// ----------------------------------------------------------------------------
|
| 1610 |
|
|
// ----------------------------------------------------------------------------
|
| 1611 |
|
|
|
| 1612 |
|
|
static void process_mtspr(int oc)
|
| 1613 |
|
|
{
|
| 1614 |
|
|
int spr;
|
| 1615 |
|
|
int Ra;
|
| 1616 |
|
|
|
| 1617 |
|
|
spr = DSD6_getSprRegister();
|
| 1618 |
|
|
need(',');
|
| 1619 |
|
|
Ra = getRegisterX();
|
| 1620 |
|
|
emitAlignedCode(0x01);
|
| 1621 |
|
|
emitCode(Ra);
|
| 1622 |
|
|
emitCode(spr);
|
| 1623 |
|
|
emitCode(0x00);
|
| 1624 |
|
|
emitCode(oc);
|
| 1625 |
|
|
if (Ra >= 0)
|
| 1626 |
|
|
prevToken();
|
| 1627 |
|
|
}
|
| 1628 |
|
|
|
| 1629 |
|
|
// ----------------------------------------------------------------------------
|
| 1630 |
|
|
// ----------------------------------------------------------------------------
|
| 1631 |
|
|
|
| 1632 |
|
|
static void process_mtfp(int oc)
|
| 1633 |
|
|
{
|
| 1634 |
|
|
int fpr;
|
| 1635 |
|
|
int Ra;
|
| 1636 |
|
|
|
| 1637 |
|
|
fpr = getFPRegister();
|
| 1638 |
|
|
need(',');
|
| 1639 |
|
|
Ra = getRegisterX();
|
| 1640 |
|
|
emitAlignedCode(0x01);
|
| 1641 |
|
|
emitCode(Ra);
|
| 1642 |
|
|
emitCode(fpr);
|
| 1643 |
|
|
emitCode(0x00);
|
| 1644 |
|
|
emitCode(oc);
|
| 1645 |
|
|
if (Ra >= 0)
|
| 1646 |
|
|
prevToken();
|
| 1647 |
|
|
}
|
| 1648 |
|
|
|
| 1649 |
|
|
// ----------------------------------------------------------------------------
|
| 1650 |
|
|
// ----------------------------------------------------------------------------
|
| 1651 |
|
|
|
| 1652 |
|
|
static void process_mfspr(int oc)
|
| 1653 |
|
|
{
|
| 1654 |
|
|
int spr;
|
| 1655 |
|
|
int Rt;
|
| 1656 |
|
|
|
| 1657 |
|
|
Rt = getRegisterX();
|
| 1658 |
|
|
need(',');
|
| 1659 |
|
|
spr = DSD6_getSprRegister();
|
| 1660 |
|
|
emitAlignedCode(0x01);
|
| 1661 |
|
|
emitCode(spr);
|
| 1662 |
|
|
emitCode(Rt);
|
| 1663 |
|
|
emitCode(0x00);
|
| 1664 |
|
|
emitCode(oc);
|
| 1665 |
|
|
if (spr >= 0)
|
| 1666 |
|
|
prevToken();
|
| 1667 |
|
|
}
|
| 1668 |
|
|
|
| 1669 |
|
|
// ----------------------------------------------------------------------------
|
| 1670 |
|
|
// ----------------------------------------------------------------------------
|
| 1671 |
|
|
|
| 1672 |
|
|
static void process_mffp(int oc)
|
| 1673 |
|
|
{
|
| 1674 |
|
|
int fpr;
|
| 1675 |
|
|
int Rt;
|
| 1676 |
|
|
|
| 1677 |
|
|
Rt = getRegisterX();
|
| 1678 |
|
|
need(',');
|
| 1679 |
|
|
fpr = getFPRegister();
|
| 1680 |
|
|
emitAlignedCode(0x01);
|
| 1681 |
|
|
emitCode(fpr);
|
| 1682 |
|
|
emitCode(Rt);
|
| 1683 |
|
|
emitCode(0x00);
|
| 1684 |
|
|
emitCode(oc);
|
| 1685 |
|
|
if (fpr >= 0)
|
| 1686 |
|
|
prevToken();
|
| 1687 |
|
|
}
|
| 1688 |
|
|
|
| 1689 |
|
|
// ----------------------------------------------------------------------------
|
| 1690 |
|
|
// ----------------------------------------------------------------------------
|
| 1691 |
|
|
|
| 1692 |
|
|
static void process_fprdstat(int oc)
|
| 1693 |
|
|
{
|
| 1694 |
|
|
int Rt;
|
| 1695 |
|
|
|
| 1696 |
|
|
Rt = getRegisterX();
|
| 1697 |
|
|
emitAlignedCode(0x01);
|
| 1698 |
|
|
emitCode(0x00);
|
| 1699 |
|
|
emitCode(Rt);
|
| 1700 |
|
|
emitCode(0x00);
|
| 1701 |
|
|
emitCode(oc);
|
| 1702 |
|
|
}
|
| 1703 |
|
|
|
| 1704 |
|
|
static void process_csrrw()
|
| 1705 |
|
|
{
|
| 1706 |
|
|
int Rd;
|
| 1707 |
|
|
int Rs;
|
| 1708 |
|
|
int64_t val;
|
| 1709 |
|
|
|
| 1710 |
|
|
Rd = getRegisterX();
|
| 1711 |
|
|
need(',');
|
| 1712 |
|
|
NextToken();
|
| 1713 |
|
|
val = expr();
|
| 1714 |
|
|
Rs = getRegisterX();
|
| 1715 |
|
|
need(',');
|
| 1716 |
|
|
emit_insn((val << 20) | (Rs << 15) | (1 << 12) | (Rd << 7) | 0x73,!expand_flag);
|
| 1717 |
|
|
}
|
| 1718 |
|
|
|
| 1719 |
|
|
static void process_sync(int oc)
|
| 1720 |
|
|
{
|
| 1721 |
|
|
emit_insn(oc,!expand_flag);
|
| 1722 |
|
|
}
|
| 1723 |
|
|
|
| 1724 |
|
|
|
| 1725 |
|
|
// ----------------------------------------------------------------------------
|
| 1726 |
|
|
// ----------------------------------------------------------------------------
|
| 1727 |
|
|
|
| 1728 |
|
|
static void ProcessEOL(int opt)
|
| 1729 |
|
|
{
|
| 1730 |
|
|
int nn,mm;
|
| 1731 |
|
|
int first;
|
| 1732 |
|
|
int cc;
|
| 1733 |
|
|
|
| 1734 |
|
|
//printf("Line: %d\r", lineno);
|
| 1735 |
|
|
expand_flag = 0;
|
| 1736 |
|
|
compress_flag = 0;
|
| 1737 |
|
|
segprefix = -1;
|
| 1738 |
|
|
if (bGen && (segment==codeseg || segment==dataseg || segment==rodataseg)) {
|
| 1739 |
|
|
nn = binstart;
|
| 1740 |
|
|
cc = 8;
|
| 1741 |
|
|
if (segment==codeseg) {
|
| 1742 |
|
|
cc = 4;
|
| 1743 |
|
|
/*
|
| 1744 |
|
|
if (sections[segment].bytes[binstart]==0x61) {
|
| 1745 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
| 1746 |
|
|
for (nn = binstart; nn < binstart + 5 && nn < sections[segment].index; nn++) {
|
| 1747 |
|
|
fprintf(ofp, "%02X ", sections[segment].bytes[nn]);
|
| 1748 |
|
|
}
|
| 1749 |
|
|
fprintf(ofp, " ; imm\n");
|
| 1750 |
|
|
if (((ca+5) & 15)==15) {
|
| 1751 |
|
|
ca+=6;
|
| 1752 |
|
|
binstart+=6;
|
| 1753 |
|
|
nn++;
|
| 1754 |
|
|
}
|
| 1755 |
|
|
else {
|
| 1756 |
|
|
ca += 5;
|
| 1757 |
|
|
binstart += 5;
|
| 1758 |
|
|
}
|
| 1759 |
|
|
}
|
| 1760 |
|
|
*/
|
| 1761 |
|
|
/*
|
| 1762 |
|
|
if (sections[segment].bytes[binstart]==0xfd) {
|
| 1763 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
| 1764 |
|
|
for (nn = binstart; nn < binstart + 5 && nn < sections[segment].index; nn++) {
|
| 1765 |
|
|
fprintf(ofp, "%02X ", sections[segment].bytes[nn]);
|
| 1766 |
|
|
}
|
| 1767 |
|
|
fprintf(ofp, " ; imm\n");
|
| 1768 |
|
|
if (((ca+5) & 15)==15) {
|
| 1769 |
|
|
ca+=6;
|
| 1770 |
|
|
binstart+=6;
|
| 1771 |
|
|
nn++;
|
| 1772 |
|
|
}
|
| 1773 |
|
|
else {
|
| 1774 |
|
|
ca += 5;
|
| 1775 |
|
|
binstart += 5;
|
| 1776 |
|
|
}
|
| 1777 |
|
|
}
|
| 1778 |
|
|
if (sections[segment].bytes[binstart]==0xfe) {
|
| 1779 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
| 1780 |
|
|
for (nn = binstart; nn < binstart + 5 && nn < sections[segment].index; nn++) {
|
| 1781 |
|
|
fprintf(ofp, "%02X ", sections[segment].bytes[nn]);
|
| 1782 |
|
|
}
|
| 1783 |
|
|
fprintf(ofp, " ; imm\n");
|
| 1784 |
|
|
if (((ca+5) & 15)==15) {
|
| 1785 |
|
|
ca+=6;
|
| 1786 |
|
|
nn++;
|
| 1787 |
|
|
}
|
| 1788 |
|
|
else {
|
| 1789 |
|
|
ca += 5;
|
| 1790 |
|
|
}
|
| 1791 |
|
|
}
|
| 1792 |
|
|
*/
|
| 1793 |
|
|
}
|
| 1794 |
|
|
|
| 1795 |
|
|
first = 1;
|
| 1796 |
|
|
while (nn < sections[segment].index) {
|
| 1797 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
| 1798 |
|
|
for (mm = nn; nn < mm + cc && nn < sections[segment].index; nn++) {
|
| 1799 |
|
|
fprintf(ofp, "%02X ", sections[segment].bytes[nn]);
|
| 1800 |
|
|
}
|
| 1801 |
|
|
for (; nn < mm + cc; nn++)
|
| 1802 |
|
|
fprintf(ofp, " ");
|
| 1803 |
|
|
if (first & opt) {
|
| 1804 |
|
|
fprintf(ofp, "\t%.*s\n", inptr-stptr-1, stptr);
|
| 1805 |
|
|
first = 0;
|
| 1806 |
|
|
}
|
| 1807 |
|
|
else
|
| 1808 |
|
|
fprintf(ofp, opt ? "\n" : "; NOP Ramp\n");
|
| 1809 |
|
|
ca += cc;
|
| 1810 |
|
|
}
|
| 1811 |
|
|
// empty (codeless) line
|
| 1812 |
|
|
if (binstart==sections[segment].index) {
|
| 1813 |
|
|
fprintf(ofp, "%24s\t%.*s", "", inptr-stptr, stptr);
|
| 1814 |
|
|
}
|
| 1815 |
|
|
} // bGen
|
| 1816 |
|
|
if (opt) {
|
| 1817 |
|
|
stptr = inptr;
|
| 1818 |
|
|
lineno++;
|
| 1819 |
|
|
}
|
| 1820 |
|
|
binstart = sections[segment].index;
|
| 1821 |
|
|
ca = sections[segment].address;
|
| 1822 |
|
|
}
|
| 1823 |
|
|
|
| 1824 |
|
|
// ----------------------------------------------------------------------------
|
| 1825 |
|
|
// ----------------------------------------------------------------------------
|
| 1826 |
|
|
|
| 1827 |
|
|
void dsd6_processMaster()
|
| 1828 |
|
|
{
|
| 1829 |
|
|
int nn,mm;
|
| 1830 |
|
|
int64_t bs1, bs2;
|
| 1831 |
|
|
|
| 1832 |
|
|
lineno = 1;
|
| 1833 |
|
|
binndx = 0;
|
| 1834 |
|
|
binstart = 0;
|
| 1835 |
|
|
bs1 = 0;
|
| 1836 |
|
|
bs2 = 0;
|
| 1837 |
|
|
inptr = &masterFile[0];
|
| 1838 |
|
|
stptr = inptr;
|
| 1839 |
|
|
code_address = 0;
|
| 1840 |
|
|
bss_address = 0;
|
| 1841 |
|
|
start_address = 0;
|
| 1842 |
|
|
first_org = 1;
|
| 1843 |
|
|
first_rodata = 1;
|
| 1844 |
|
|
first_data = 1;
|
| 1845 |
|
|
first_bss = 1;
|
| 1846 |
|
|
if (pass<3) {
|
| 1847 |
|
|
htblmax = 0;
|
| 1848 |
|
|
for (nn = 0; nn < 100000; nn++) {
|
| 1849 |
|
|
hTable[nn].count = 0;
|
| 1850 |
|
|
hTable[nn].opcode = 0;
|
| 1851 |
|
|
}
|
| 1852 |
|
|
}
|
| 1853 |
|
|
for (nn = 0; nn < 12; nn++) {
|
| 1854 |
|
|
sections[nn].index = 0;
|
| 1855 |
|
|
if (nn == 0)
|
| 1856 |
|
|
sections[nn].address = 0;
|
| 1857 |
|
|
else
|
| 1858 |
|
|
sections[nn].address = 0;
|
| 1859 |
|
|
sections[nn].start = 0;
|
| 1860 |
|
|
sections[nn].end = 0;
|
| 1861 |
|
|
}
|
| 1862 |
|
|
ca = code_address;
|
| 1863 |
|
|
segment = codeseg;
|
| 1864 |
|
|
memset(current_label,0,sizeof(current_label));
|
| 1865 |
|
|
NextToken();
|
| 1866 |
|
|
while (token != tk_eof) {
|
| 1867 |
|
|
// printf("\t%.*s\n", inptr-stptr-1, stptr);
|
| 1868 |
|
|
// printf("token=%d\r", token);
|
| 1869 |
|
|
switch(token) {
|
| 1870 |
|
|
case tk_eol: ProcessEOL(1); break;
|
| 1871 |
|
|
// case tk_add: process_add(); break;
|
| 1872 |
|
|
case tk_add: process_rrop(0x04); break;
|
| 1873 |
|
|
case tk_addi: process_riop(0x04); break;
|
| 1874 |
|
|
case tk_align: process_align(); continue; break;
|
| 1875 |
|
|
case tk_and: process_rrop(0x08); break;
|
| 1876 |
|
|
case tk_andi: process_riop(0x08); break;
|
| 1877 |
|
|
case tk_beq: process_bcc(0); break;
|
| 1878 |
|
|
case tk_bge: process_bcc(3); break;
|
| 1879 |
|
|
case tk_bgeu: process_bcc(7); break;
|
| 1880 |
|
|
case tk_bgt: process_bcc(5); break;
|
| 1881 |
|
|
case tk_bgtu: process_bcc(9); break;
|
| 1882 |
|
|
case tk_ble: process_bcc(4); break;
|
| 1883 |
|
|
case tk_bleu: process_bcc(8); break;
|
| 1884 |
|
|
case tk_blt: process_bcc(2); break;
|
| 1885 |
|
|
case tk_bltu: process_bcc(6); break;
|
| 1886 |
|
|
case tk_bne: process_bcc(1); break;
|
| 1887 |
|
|
case tk_bra: process_bra(0x46); break;
|
| 1888 |
|
|
case tk_bsr: process_bra(0x56); break;
|
| 1889 |
|
|
case tk_bss:
|
| 1890 |
|
|
if (first_bss) {
|
| 1891 |
|
|
while(sections[segment].address & 4095)
|
| 1892 |
|
|
emitByte(0x00);
|
| 1893 |
|
|
sections[3].address = sections[segment].address;
|
| 1894 |
|
|
first_bss = 0;
|
| 1895 |
|
|
binstart = sections[3].index;
|
| 1896 |
|
|
ca = sections[3].address;
|
| 1897 |
|
|
}
|
| 1898 |
|
|
segment = bssseg;
|
| 1899 |
|
|
break;
|
| 1900 |
|
|
case tk_cli: emit_insn(0x3100000001,1); break;
|
| 1901 |
|
|
case tk_code: process_code(); break;
|
| 1902 |
|
|
case tk_com: process_rop(0x06); break;
|
| 1903 |
|
|
case tk_cs: segprefix = 15; break;
|
| 1904 |
|
|
case tk_csrrw: process_csrrw(); break;
|
| 1905 |
|
|
case tk_data:
|
| 1906 |
|
|
if (first_data) {
|
| 1907 |
|
|
while(sections[segment].address & 4095)
|
| 1908 |
|
|
emitByte(0x00);
|
| 1909 |
|
|
sections[2].address = sections[segment].address; // set starting address
|
| 1910 |
|
|
first_data = 0;
|
| 1911 |
|
|
binstart = sections[2].index;
|
| 1912 |
|
|
ca = sections[2].address;
|
| 1913 |
|
|
}
|
| 1914 |
|
|
process_data(dataseg);
|
| 1915 |
|
|
break;
|
| 1916 |
|
|
case tk_db: process_db(); break;
|
| 1917 |
|
|
case tk_dc: process_dc(); break;
|
| 1918 |
|
|
case tk_dh: process_dh(); break;
|
| 1919 |
|
|
// case tk_div: process_rrop(0x08); break;
|
| 1920 |
|
|
// case tk_divu: process_rrop(0x18); break;
|
| 1921 |
|
|
case tk_dw: process_dw(); break;
|
| 1922 |
|
|
case tk_end: goto j1;
|
| 1923 |
|
|
case tk_endpublic: break;
|
| 1924 |
|
|
case tk_eor: process_rrop(0x0A); break;
|
| 1925 |
|
|
case tk_eori: process_riop(0x0A); break;
|
| 1926 |
|
|
case tk_extern: process_extern(); break;
|
| 1927 |
|
|
case tk_fabs: process_fprop(0x88); break;
|
| 1928 |
|
|
case tk_fadd: process_fprrop(0xF4); break;
|
| 1929 |
|
|
case tk_fcmp: process_fprrop(0xF6); break;
|
| 1930 |
|
|
case tk_fdiv: process_fprrop(0xF8); break;
|
| 1931 |
|
|
case tk_fill: process_fill(); break;
|
| 1932 |
|
|
case tk_fix2flt: process_fprop(0x84); break;
|
| 1933 |
|
|
case tk_flt2fix: process_fprop(0x85); break;
|
| 1934 |
|
|
case tk_fmov: process_fprop(0x87); break;
|
| 1935 |
|
|
case tk_fmul: process_fprrop(0xF7); break;
|
| 1936 |
|
|
case tk_fnabs: process_fprop(0x89); break;
|
| 1937 |
|
|
case tk_fneg: process_fprop(0x8A); break;
|
| 1938 |
|
|
case tk_frm: process_fpstat(0x78); break;
|
| 1939 |
|
|
case tk_fstat: process_fprdstat(0x86); break;
|
| 1940 |
|
|
case tk_fsub: process_fprrop(0xF5); break;
|
| 1941 |
|
|
case tk_ftx: process_fpstat(0x75); break;
|
| 1942 |
|
|
case tk_gran: process_gran(0x14); break;
|
| 1943 |
|
|
case tk_jal: process_jal(); break;
|
| 1944 |
|
|
case tk_jmp: process_jal(); break;
|
| 1945 |
|
|
case tk_lb: process_load(0x40); break;
|
| 1946 |
|
|
case tk_lbu: process_load(0x41); break;
|
| 1947 |
|
|
case tk_lc: process_load(0x42); break;
|
| 1948 |
|
|
case tk_lcu: process_load(0x43); break;
|
| 1949 |
|
|
case tk_ldi: process_ldi(); break;
|
| 1950 |
|
|
case tk_lh: process_load(0x44); break;
|
| 1951 |
|
|
case tk_lhu: process_load(0x45); break;
|
| 1952 |
|
|
// case tk_lui: process_lui(); break;
|
| 1953 |
|
|
case tk_lw: process_load(0x46); break;
|
| 1954 |
|
|
case tk_lwar: process_load(0x47); break;
|
| 1955 |
|
|
case tk_mfspr: process_mfspr(0x49); break;
|
| 1956 |
|
|
case tk_mov: process_mov(0x04); break;
|
| 1957 |
|
|
case tk_mtspr: process_mtspr(0x48); break;
|
| 1958 |
|
|
case tk_mul: process_rrop(0x60); break;
|
| 1959 |
|
|
case tk_neg: process_rop(0x05); break;
|
| 1960 |
|
|
case tk_nop: emit_insn(0xEAEAEAEAEA,1); break;
|
| 1961 |
|
|
case tk_not: process_rop(0x07); break;
|
| 1962 |
|
|
case tk_or: process_rrop(0x09); break;
|
| 1963 |
|
|
case tk_ori: process_riop(0x09); break;
|
| 1964 |
|
|
case tk_org: process_org(); break;
|
| 1965 |
|
|
case tk_php: emit_insn(0x3200000001,1); break;
|
| 1966 |
|
|
case tk_plp: emit_insn(0x3300000001,1); break;
|
| 1967 |
|
|
case tk_plus: expand_flag = 1; break;
|
| 1968 |
|
|
case tk_public: process_public(); break;
|
| 1969 |
|
|
case tk_rodata:
|
| 1970 |
|
|
if (first_rodata) {
|
| 1971 |
|
|
while(sections[segment].address & 4095)
|
| 1972 |
|
|
emitByte(0x00);
|
| 1973 |
|
|
sections[1].address = sections[segment].address;
|
| 1974 |
|
|
first_rodata = 0;
|
| 1975 |
|
|
binstart = sections[1].index;
|
| 1976 |
|
|
ca = sections[1].address;
|
| 1977 |
|
|
}
|
| 1978 |
|
|
segment = rodataseg;
|
| 1979 |
|
|
break;
|
| 1980 |
|
|
case tk_rti: emit_insn(0x4000000001,1); break;
|
| 1981 |
|
|
case tk_rts: process_rts(0x60); break;
|
| 1982 |
|
|
case tk_sb: process_store(0x48); break;
|
| 1983 |
|
|
case tk_sc: process_store(0x49); break;
|
| 1984 |
|
|
case tk_sei: emit_insn(0x3000000001,1); break;
|
| 1985 |
|
|
//case tk_slt: process_rrop(0x33,0x02,0x00); break;
|
| 1986 |
|
|
//case tk_sltu: process_rrop(0x33,0x03,0x00); break;
|
| 1987 |
|
|
//case tk_slti: process_riop(0x13,0x02); break;
|
| 1988 |
|
|
//case tk_sltui: process_riop(0x13,0x03); break;
|
| 1989 |
|
|
case tk_sh: process_store(0x4A); break;
|
| 1990 |
|
|
case tk_slli: process_shifti(0x18); break;
|
| 1991 |
|
|
case tk_srai: process_shifti(0x1A); break;
|
| 1992 |
|
|
case tk_srli: process_shifti(0x19); break;
|
| 1993 |
|
|
case tk_sub: process_rrop(0x07); break;
|
| 1994 |
|
|
// case tk_sub: process_sub(); break;
|
| 1995 |
|
|
case tk_sxb: process_rop(0x08); break;
|
| 1996 |
|
|
case tk_sxc: process_rop(0x09); break;
|
| 1997 |
|
|
case tk_sxh: process_rop(0x0A); break;
|
| 1998 |
|
|
case tk_sw: process_store(0x4B); break;
|
| 1999 |
|
|
case tk_swap: process_rop(0x03); break;
|
| 2000 |
|
|
case tk_sync: process_sync(0x77); break;
|
| 2001 |
|
|
case tk_xor: process_rrop(0x0A); break;
|
| 2002 |
|
|
case tk_xori: process_riop(0x0A); break;
|
| 2003 |
|
|
case tk_id: process_label(); break;
|
| 2004 |
|
|
case '-': compress_flag = 1; break;
|
| 2005 |
|
|
}
|
| 2006 |
|
|
NextToken();
|
| 2007 |
|
|
}
|
| 2008 |
|
|
j1:
|
| 2009 |
|
|
;
|
| 2010 |
|
|
}
|
| 2011 |
|
|
|
