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robfinch |
// ============================================================================
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// __
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// \\__/ o\ (C) 2014 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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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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static int64_t ca;
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extern int use_gp;
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#define OPT64 2
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#define OPTX32 0
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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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{
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int reg;
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while(isspace(*inptr)) inptr++;
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switch(*inptr) {
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case 'x': case 'X':
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if (isdigit(inptr[1])) {
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reg = inptr[1]-'0';
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if (isdigit(inptr[2])) {
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reg = 10 * reg + (inptr[2]-'0');
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if (isdigit(inptr[3])) {
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reg = 10 * reg + (inptr[3]-'0');
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if (isIdentChar(inptr[4]))
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return -1;
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inptr += 4;
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NextToken();
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return reg;
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}
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else if (isIdentChar(inptr[3]))
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return -1;
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else {
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inptr += 3;
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NextToken();
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return reg;
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}
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}
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else 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 'a': case 'A':
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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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return 2;
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}
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break;
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case 'g': case 'G':
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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 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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NextToken();
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return 24;
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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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inptr += 2;
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NextToken();
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return 29;
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}
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break;
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case 'l': case 'L':
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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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return 31;
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}
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break;
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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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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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default:
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return -1;
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}
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return -1;
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}
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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static void emit_insn(int oc, int can_compress)
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{
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int ndx;
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| 192 |
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if (pass==3 && can_compress && 0) {
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for (ndx = 0; ndx < htblmax; ndx++) {
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if (oc == hTable[ndx].opcode) {
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printf("found opcode\n");
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hTable[ndx].count++;
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return;
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}
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}
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if (htblmax < 100000) {
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printf("inserting opcode %08X\n", oc);
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hTable[htblmax].opcode = oc;
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hTable[htblmax].count = 1;
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htblmax++;
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return;
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}
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printf("Too many instructions.\r\n");
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return;
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}
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| 210 |
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if (pass > 3) {
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if (can_compress) {
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for (ndx = 0; ndx < htblmax; ndx++) {
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if (oc == hTable[ndx].opcode) {
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printf("found opcode\n");
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emitAlignedCode(((ndx & 8) << 4)|0x50|(ndx & 0x7));
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emitCode(ndx >> 4);
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return;
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| 218 |
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}
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| 219 |
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}
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| 220 |
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}
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emitAlignedCode(oc & 255);
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| 222 |
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emitCode((oc >> 8) & 255);
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| 223 |
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emitCode((oc >> 16) & 255);
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| 224 |
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emitCode((oc >> 24) & 255);
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}
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/*
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if (processOpt==2) {
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for (ndx = 0; ndx < htblmax; ndx++) {
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| 229 |
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if (oc == hTable[ndx].opcode) {
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| 230 |
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printf("found opcode\n");
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| 231 |
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emitAlignedCode(((ndx & 8) << 4)|0x50|(ndx & 0x7));
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| 232 |
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emitCode(ndx >> 4);
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return;
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| 234 |
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}
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| 235 |
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}
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| 236 |
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emitAlignedCode(oc & 255);
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| 237 |
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emitCode((oc >> 8) & 255);
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| 238 |
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emitCode((oc >> 16) & 255);
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| 239 |
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emitCode((oc >> 24) & 255);
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| 240 |
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}
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| 241 |
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else {
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| 242 |
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emitAlignedCode(oc & 255);
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| 243 |
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emitCode((oc >> 8) & 255);
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| 244 |
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emitCode((oc >> 16) & 255);
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| 245 |
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emitCode((oc >> 24) & 255);
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| 246 |
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}
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| 247 |
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*/
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| 248 |
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num_bytes += 4;
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| 249 |
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if ((oc & 0x7F) != 0x3F)
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| 250 |
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num_insns += 1;
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| 251 |
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}
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| 252 |
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| 253 |
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// ---------------------------------------------------------------------------
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| 254 |
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// ---------------------------------------------------------------------------
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| 255 |
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| 256 |
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static void emit_insn2(int64_t oc)
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| 257 |
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{
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| 258 |
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emitCode(oc & 255);
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| 259 |
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emitCode((oc >> 8) & 255);
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| 260 |
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emitCode((oc >> 16) & 255);
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| 261 |
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emitCode((oc >> 24) & 255);
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| 262 |
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}
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| 263 |
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| 264 |
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| 265 |
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// ---------------------------------------------------------------------------
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| 266 |
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// Emit code aligned to a code address.
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| 267 |
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// ---------------------------------------------------------------------------
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| 268 |
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| 269 |
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static void emitAlignedCode(int cd)
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| 270 |
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{
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| 271 |
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int64_t ad;
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| 272 |
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|
|
| 273 |
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ad = code_address & 15;
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| 274 |
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// while (ad != 0 && ad != 4 && ad != 8 && ad != 12) {
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| 275 |
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while (ad & 1) {
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| 276 |
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emitByte(0x00);
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| 277 |
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ad = code_address & 15;
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| 278 |
|
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}
|
| 279 |
|
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emitByte(cd);
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| 280 |
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}
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| 281 |
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|
| 282 |
|
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|
| 283 |
|
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// ---------------------------------------------------------------------------
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| 284 |
|
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// Emit constant extension for memory operands.
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| 285 |
|
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// ---------------------------------------------------------------------------
|
| 286 |
|
|
|
| 287 |
|
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static void emitImm0(int64_t v, int force)
|
| 288 |
|
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{
|
| 289 |
|
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if (v != 0 || force) {
|
| 290 |
|
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emitAlignedCode(0xfd);
|
| 291 |
|
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emitCode(v & 255);
|
| 292 |
|
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emitCode((v >> 8) & 255);
|
| 293 |
|
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emitCode((v >> 16) & 255);
|
| 294 |
|
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emitCode((v >> 24) & 255);
|
| 295 |
|
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}
|
| 296 |
|
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if (((v < 0) && ((v >> 32) != -1L)) || ((v > 0) && ((v >> 32) != 0L)) || (force && data_bits > 32)) {
|
| 297 |
|
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emitAlignedCode(0xfe);
|
| 298 |
|
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emitCode((v >> 32) & 255);
|
| 299 |
|
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emitCode((v >> 40) & 255);
|
| 300 |
|
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emitCode((v >> 48) & 255);
|
| 301 |
|
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emitCode((v >> 56) & 255);
|
| 302 |
|
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}
|
| 303 |
|
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}
|
| 304 |
|
|
|
| 305 |
|
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// ---------------------------------------------------------------------------
|
| 306 |
|
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// Emit constant extension for memory operands.
|
| 307 |
|
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// ---------------------------------------------------------------------------
|
| 308 |
|
|
|
| 309 |
|
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static void emitImm2(int64_t v, int force)
|
| 310 |
|
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{
|
| 311 |
|
|
if (v < 0L || v > 3L || force) {
|
| 312 |
|
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emitAlignedCode(0xfd);
|
| 313 |
|
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emitCode((v >> 2) & 255);
|
| 314 |
|
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emitCode((v >> 10) & 255);
|
| 315 |
|
|
emitCode((v >> 18) & 255);
|
| 316 |
|
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emitCode((v >> 26) & 255);
|
| 317 |
|
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}
|
| 318 |
|
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if (((v < 0) && ((v >> 34) != -1L)) || ((v > 0) && ((v >> 34) != 0L)) || (force && data_bits > 34)) {
|
| 319 |
|
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emitAlignedCode(0xfe);
|
| 320 |
|
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emitCode((v >> 34) & 255);
|
| 321 |
|
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emitCode((v >> 42) & 255);
|
| 322 |
|
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emitCode((v >> 50) & 255);
|
| 323 |
|
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emitCode((v >> 58) & 255);
|
| 324 |
|
|
}
|
| 325 |
|
|
}
|
| 326 |
|
|
|
| 327 |
|
|
// ---------------------------------------------------------------------------
|
| 328 |
|
|
// Emit constant extension for memory operands.
|
| 329 |
|
|
// ---------------------------------------------------------------------------
|
| 330 |
|
|
|
| 331 |
|
|
static void emitImm12(int64_t v, int force)
|
| 332 |
|
|
{
|
| 333 |
|
|
if (v < -2048L || v > 2047L || force) {
|
| 334 |
|
|
emitAlignedCode(0xfd);
|
| 335 |
|
|
emitCode((v >> 12) & 255);
|
| 336 |
|
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emitCode((v >> 20) & 255);
|
| 337 |
|
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emitCode((v >> 28) & 255);
|
| 338 |
|
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emitCode((v >> 36) & 255);
|
| 339 |
|
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}
|
| 340 |
|
|
if (((v < 0) && ((v >> 44) != -1L)) || ((v > 0) && ((v >> 44) != 0L)) || (force && data_bits > 44)) {
|
| 341 |
|
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emitAlignedCode(0xfe);
|
| 342 |
|
|
emitCode((v >> 44) & 255);
|
| 343 |
|
|
emitCode((v >> 52) & 255);
|
| 344 |
|
|
emitCode((v >> 60) & 255);
|
| 345 |
|
|
emitCode(0x00);
|
| 346 |
|
|
}
|
| 347 |
|
|
}
|
| 348 |
|
|
|
| 349 |
|
|
// ---------------------------------------------------------------------------
|
| 350 |
|
|
// Emit constant extension for 16-bit operands.
|
| 351 |
|
|
// ---------------------------------------------------------------------------
|
| 352 |
|
|
|
| 353 |
|
|
static void emitImm16(int64_t v, int force)
|
| 354 |
|
|
{
|
| 355 |
|
|
if (v < -32768L || v > 32767L || force) {
|
| 356 |
|
|
emitAlignedCode(0xfd);
|
| 357 |
|
|
emitCode((v >> 16) & 255);
|
| 358 |
|
|
emitCode((v >> 24) & 255);
|
| 359 |
|
|
emitCode((v >> 32) & 255);
|
| 360 |
|
|
emitCode((v >> 40) & 255);
|
| 361 |
|
|
}
|
| 362 |
|
|
if (((v < 0) && ((v >> 48) != -1L)) || ((v > 0) && ((v >> 48) != 0L)) || (force && (code_bits > 48 || data_bits > 48))) {
|
| 363 |
|
|
emitAlignedCode(0xfe);
|
| 364 |
|
|
emitCode((v >> 48) & 255);
|
| 365 |
|
|
emitCode((v >> 56) & 255);
|
| 366 |
|
|
emitCode(0x00);
|
| 367 |
|
|
emitCode(0x00);
|
| 368 |
|
|
}
|
| 369 |
|
|
}
|
| 370 |
|
|
|
| 371 |
|
|
// ---------------------------------------------------------------------------
|
| 372 |
|
|
// Emit constant extension for 24-bit operands.
|
| 373 |
|
|
// ---------------------------------------------------------------------------
|
| 374 |
|
|
|
| 375 |
|
|
static void emitImm20(int64_t v, int force)
|
| 376 |
|
|
{
|
| 377 |
|
|
if (v < -524288L || v > 524287L || force) {
|
| 378 |
|
|
emitAlignedCode(0xfd);
|
| 379 |
|
|
emitCode((v >> 20) & 255);
|
| 380 |
|
|
emitCode((v >> 28) & 255);
|
| 381 |
|
|
emitCode((v >> 36) & 255);
|
| 382 |
|
|
emitCode((v >> 44) & 255);
|
| 383 |
|
|
}
|
| 384 |
|
|
if (((v < 0) && ((v >> 52) != -1L)) || ((v > 0) && ((v >> 52) != 0L)) || (force && (code_bits > 52 || data_bits > 52))) {
|
| 385 |
|
|
emitAlignedCode(0xfe);
|
| 386 |
|
|
emitCode((v >> 52) & 255);
|
| 387 |
|
|
emitCode((v >> 60) & 255);
|
| 388 |
|
|
emitCode(0x00);
|
| 389 |
|
|
emitCode(0x00);
|
| 390 |
|
|
}
|
| 391 |
|
|
}
|
| 392 |
|
|
|
| 393 |
|
|
// ---------------------------------------------------------------------------
|
| 394 |
|
|
// Emit constant extension for 24-bit operands.
|
| 395 |
|
|
// ---------------------------------------------------------------------------
|
| 396 |
|
|
|
| 397 |
|
|
static void emitImm24(int64_t v, int force)
|
| 398 |
|
|
{
|
| 399 |
|
|
if (v < -8388608L || v > 8388607L || force) {
|
| 400 |
|
|
emitAlignedCode(0xfd);
|
| 401 |
|
|
emitCode((v >> 24) & 255);
|
| 402 |
|
|
emitCode((v >> 32) & 255);
|
| 403 |
|
|
emitCode((v >> 40) & 255);
|
| 404 |
|
|
emitCode((v >> 48) & 255);
|
| 405 |
|
|
}
|
| 406 |
|
|
if (((v < 0) && ((v >> 56) != -1L)) || ((v > 0) && ((v >> 56) != 0L)) || (force && (code_bits > 56 || data_bits > 56))) {
|
| 407 |
|
|
emitAlignedCode(0xfe);
|
| 408 |
|
|
emitCode((v >> 56) & 255);
|
| 409 |
|
|
emitCode(0x00);
|
| 410 |
|
|
emitCode(0x00);
|
| 411 |
|
|
emitCode(0x00);
|
| 412 |
|
|
}
|
| 413 |
|
|
}
|
| 414 |
|
|
|
| 415 |
|
|
// ---------------------------------------------------------------------------
|
| 416 |
|
|
// Emit constant extension for 32-bit operands.
|
| 417 |
|
|
// ---------------------------------------------------------------------------
|
| 418 |
|
|
|
| 419 |
|
|
static void emitImm32(int64_t v, int force)
|
| 420 |
|
|
{
|
| 421 |
|
|
if (v < -2147483648LL || v > 2147483647LL || force) {
|
| 422 |
|
|
emitAlignedCode(0xfd);
|
| 423 |
|
|
emitCode((v >> 32) & 255);
|
| 424 |
|
|
emitCode((v >> 40) & 255);
|
| 425 |
|
|
emitCode((v >> 48) & 255);
|
| 426 |
|
|
emitCode((v >> 56) & 255);
|
| 427 |
|
|
}
|
| 428 |
|
|
}
|
| 429 |
|
|
|
| 430 |
|
|
// ---------------------------------------------------------------------------
|
| 431 |
|
|
// addi r1,r2,#1234
|
| 432 |
|
|
// ---------------------------------------------------------------------------
|
| 433 |
|
|
|
| 434 |
|
|
static void process_addi(int funct3)
|
| 435 |
|
|
{
|
| 436 |
|
|
int Ra;
|
| 437 |
|
|
int Rt;
|
| 438 |
|
|
char *p;
|
| 439 |
|
|
int64_t val;
|
| 440 |
|
|
|
| 441 |
|
|
p = inptr;
|
| 442 |
|
|
Rt = getRegisterX();
|
| 443 |
|
|
need(',');
|
| 444 |
|
|
Ra = getRegisterX();
|
| 445 |
|
|
need(',');
|
| 446 |
|
|
NextToken();
|
| 447 |
|
|
val = expr();
|
| 448 |
|
|
if ((val < -2048 || val > 2047) && OPTLUI0) {
|
| 449 |
|
|
emit_insn((val & 0xFFFFF000) | (0 << 7)|0x37,1); // LUI
|
| 450 |
|
|
}
|
| 451 |
|
|
if ((val < -2048 || val > 2047)) {
|
| 452 |
|
|
if (OPTX32) {
|
| 453 |
|
|
emit_insn((0x800 << 20)|(Ra << 15)|(funct3<<12)|(Rt << 7)|0x13,1);
|
| 454 |
|
|
emit_insn(val,0);
|
| 455 |
|
|
}
|
| 456 |
|
|
else if (OPT64) {
|
| 457 |
|
|
emit_insn(((val & 0xFFF) << 20)|(Ra << 15)|(funct3<<12)|(Rt << 7)|0x3F,!expand_flag);
|
| 458 |
|
|
emit_insn((val&0xFFFFF000)|0x13,0);
|
| 459 |
|
|
}
|
| 460 |
|
|
}
|
| 461 |
|
|
else
|
| 462 |
|
|
emit_insn(((val & 0xFFF) << 20)|(Ra << 15)|(funct3<<12)|(Rt << 7)|0x13,!expand_flag);
|
| 463 |
|
|
}
|
| 464 |
|
|
|
| 465 |
|
|
// ---------------------------------------------------------------------------
|
| 466 |
|
|
// ---------------------------------------------------------------------------
|
| 467 |
|
|
|
| 468 |
|
|
static void process_add()
|
| 469 |
|
|
{
|
| 470 |
|
|
int Ra,Rb,Rt;
|
| 471 |
|
|
char *p;
|
| 472 |
|
|
|
| 473 |
|
|
p = inptr;
|
| 474 |
|
|
Rt = getRegisterX();
|
| 475 |
|
|
need(',');
|
| 476 |
|
|
Ra = getRegisterX();
|
| 477 |
|
|
need(',');
|
| 478 |
|
|
NextToken();
|
| 479 |
|
|
if (token=='#') {
|
| 480 |
|
|
inptr = p;
|
| 481 |
|
|
process_addi(0);
|
| 482 |
|
|
return;
|
| 483 |
|
|
}
|
| 484 |
|
|
prevToken();
|
| 485 |
|
|
Rb = getRegisterX();
|
| 486 |
|
|
prevToken();
|
| 487 |
|
|
emit_insn((Rb << 20)|(Ra<<15)|(0<<12)|(Rt<<7)|0x33,1);
|
| 488 |
|
|
}
|
| 489 |
|
|
|
| 490 |
|
|
// ---------------------------------------------------------------------------
|
| 491 |
|
|
// ---------------------------------------------------------------------------
|
| 492 |
|
|
|
| 493 |
|
|
static void process_riop(int oc, int funct3)
|
| 494 |
|
|
{
|
| 495 |
|
|
int Ra,Rb,Rt;
|
| 496 |
|
|
char *p;
|
| 497 |
|
|
int tk = token;
|
| 498 |
|
|
int val;
|
| 499 |
|
|
|
| 500 |
|
|
p = inptr;
|
| 501 |
|
|
Rt = getRegisterX();
|
| 502 |
|
|
need(',');
|
| 503 |
|
|
Ra = getRegisterX();
|
| 504 |
|
|
need(',');
|
| 505 |
|
|
NextToken();
|
| 506 |
|
|
val = expr();
|
| 507 |
|
|
if ((val < -2048 || val > 2047) && OPTLUI0) {
|
| 508 |
|
|
emit_insn((val & 0xFFFFF000) | (0 << 7)|0x37,1); // LUI
|
| 509 |
|
|
}
|
| 510 |
|
|
if ((val < -2048 || val > 2047)) {
|
| 511 |
|
|
if (OPTX32) {
|
| 512 |
|
|
emit_insn((0x800 << 20)|(Ra << 15)|(funct3<<12)|(Rt << 7)|oc,1);
|
| 513 |
|
|
emit_insn(val,0);
|
| 514 |
|
|
}
|
| 515 |
|
|
else if (OPT64) {
|
| 516 |
|
|
emit_insn(((val & 0xFFF) << 20)|(Ra << 15)|(funct3<<12)|(Rt << 7)|0x3F,!expand_flag);
|
| 517 |
|
|
emit_insn((val&0xFFFFF000)|oc,0);
|
| 518 |
|
|
}
|
| 519 |
|
|
}
|
| 520 |
|
|
else
|
| 521 |
|
|
emit_insn(((val & 0xFFF) << 20)|(Ra << 15)|(funct3<<12)|(Rt << 7)|0x13,!expand_flag);
|
| 522 |
|
|
// emit_insn((val << 20)|(Ra<<15)|(funct3<<12)|(Rt<<7)|oc);
|
| 523 |
|
|
}
|
| 524 |
|
|
|
| 525 |
|
|
// ---------------------------------------------------------------------------
|
| 526 |
|
|
// ---------------------------------------------------------------------------
|
| 527 |
|
|
|
| 528 |
|
|
static void process_rrop(int oc, int funct3, int funct7)
|
| 529 |
|
|
{
|
| 530 |
|
|
int Ra,Rb,Rt;
|
| 531 |
|
|
char *p;
|
| 532 |
|
|
int tk = token;
|
| 533 |
|
|
|
| 534 |
|
|
p = inptr;
|
| 535 |
|
|
Rt = getRegisterX();
|
| 536 |
|
|
need(',');
|
| 537 |
|
|
Ra = getRegisterX();
|
| 538 |
|
|
need(',');
|
| 539 |
|
|
NextToken();
|
| 540 |
|
|
if (token=='#') {
|
| 541 |
|
|
inptr = p;
|
| 542 |
|
|
switch(token) {
|
| 543 |
|
|
case tk_add: process_riop(0x13,0x00); break;
|
| 544 |
|
|
case tk_and: process_riop(0x13,0x07); break;
|
| 545 |
|
|
default:
|
| 546 |
|
|
printf("rrop: syntax error\n");
|
| 547 |
|
|
}
|
| 548 |
|
|
// process_addi(0);
|
| 549 |
|
|
return;
|
| 550 |
|
|
}
|
| 551 |
|
|
prevToken();
|
| 552 |
|
|
Rb = getRegisterX();
|
| 553 |
|
|
prevToken();
|
| 554 |
|
|
emit_insn((funct7 << 25)|(Rb << 20)|(Ra<<15)|(funct3<<12)|(Rt<<7)|oc,1);
|
| 555 |
|
|
}
|
| 556 |
|
|
|
| 557 |
|
|
// ---------------------------------------------------------------------------
|
| 558 |
|
|
// ---------------------------------------------------------------------------
|
| 559 |
|
|
|
| 560 |
|
|
static void process_mul()
|
| 561 |
|
|
{
|
| 562 |
|
|
int Ra,Rb,Rt;
|
| 563 |
|
|
char *p;
|
| 564 |
|
|
|
| 565 |
|
|
p = inptr;
|
| 566 |
|
|
Rt = getRegisterX();
|
| 567 |
|
|
need(',');
|
| 568 |
|
|
Ra = getRegisterX();
|
| 569 |
|
|
need(',');
|
| 570 |
|
|
Rb = getRegisterX();
|
| 571 |
|
|
prevToken();
|
| 572 |
|
|
emit_insn((1 << 25)|(Rb << 20)|(Ra<<15)|(0<<12)|(Rt<<7)|0x33,1);
|
| 573 |
|
|
}
|
| 574 |
|
|
|
| 575 |
|
|
// ---------------------------------------------------------------------------
|
| 576 |
|
|
// ---------------------------------------------------------------------------
|
| 577 |
|
|
|
| 578 |
|
|
static void process_sub()
|
| 579 |
|
|
{
|
| 580 |
|
|
int Ra,Rb,Rt;
|
| 581 |
|
|
char *p;
|
| 582 |
|
|
|
| 583 |
|
|
p = inptr;
|
| 584 |
|
|
Rt = getRegisterX();
|
| 585 |
|
|
need(',');
|
| 586 |
|
|
Ra = getRegisterX();
|
| 587 |
|
|
need(',');
|
| 588 |
|
|
NextToken();
|
| 589 |
|
|
if (token=='#') {
|
| 590 |
|
|
inptr = p;
|
| 591 |
|
|
return;
|
| 592 |
|
|
}
|
| 593 |
|
|
prevToken();
|
| 594 |
|
|
Rb = getRegisterX();
|
| 595 |
|
|
prevToken();
|
| 596 |
|
|
emit_insn(0x40000000|(Rb << 20)|(Ra<<15)|(0<<12)|(Rt<<7)|0x33,1);
|
| 597 |
|
|
}
|
| 598 |
|
|
|
| 599 |
|
|
// ---------------------------------------------------------------------------
|
| 600 |
|
|
// jmp main
|
| 601 |
|
|
// jsr [r19]
|
| 602 |
|
|
// jmp (tbl,r2)
|
| 603 |
|
|
// jsr [gp+r20]
|
| 604 |
|
|
// ---------------------------------------------------------------------------
|
| 605 |
|
|
|
| 606 |
|
|
static void process_jal()
|
| 607 |
|
|
{
|
| 608 |
|
|
int64_t addr;
|
| 609 |
|
|
int Ra, Rb;
|
| 610 |
|
|
int Rt;
|
| 611 |
|
|
|
| 612 |
|
|
Rt = 0;
|
| 613 |
|
|
NextToken();
|
| 614 |
|
|
if (token=='(' || token=='[') {
|
| 615 |
|
|
j1:
|
| 616 |
|
|
Ra = getRegisterX();
|
| 617 |
|
|
if (Ra==-1) {
|
| 618 |
|
|
printf("Expecting a register\r\n");
|
| 619 |
|
|
return;
|
| 620 |
|
|
}
|
| 621 |
|
|
// Simple jmp [Rn]
|
| 622 |
|
|
else {
|
| 623 |
|
|
if (token != ')' && token!=']')
|
| 624 |
|
|
printf("Missing close bracket\r\n");
|
| 625 |
|
|
emit_insn((Ra << 15)|(Rt<<7)|0x67,1);
|
| 626 |
|
|
return;
|
| 627 |
|
|
}
|
| 628 |
|
|
}
|
| 629 |
|
|
prevToken();
|
| 630 |
|
|
Rt = getRegisterX();
|
| 631 |
|
|
printf("Rt=%d ", Rt);
|
| 632 |
|
|
if (Rt >= 0) {
|
| 633 |
|
|
need(',');
|
| 634 |
|
|
NextToken();
|
| 635 |
|
|
// jal Rt,[Ra]
|
| 636 |
|
|
if (token=='(' || token=='[')
|
| 637 |
|
|
goto j1;
|
| 638 |
|
|
}
|
| 639 |
|
|
else
|
| 640 |
|
|
Rt = 0;
|
| 641 |
|
|
addr = expr() - code_address;
|
| 642 |
|
|
printf("Addr=%ld ", addr);
|
| 643 |
|
|
prevToken();
|
| 644 |
|
|
// d(Rn)?
|
| 645 |
|
|
if (token=='(' || token=='[') {
|
| 646 |
|
|
printf("a ");
|
| 647 |
|
|
NextToken();
|
| 648 |
|
|
Ra = getRegisterX();
|
| 649 |
|
|
if (Ra==-1) {
|
| 650 |
|
|
printf("Illegal jump address mode.\r\n");
|
| 651 |
|
|
Ra = 0;
|
| 652 |
|
|
}
|
| 653 |
|
|
j2:
|
| 654 |
|
|
if (addr < -2048 || addr > 2047)
|
| 655 |
|
|
emit_insn((addr & 0xFFFFF000)|0x37,1);
|
| 656 |
|
|
emit_insn(((addr & 0xFFF) << 20)|(Ra<<15)|(Rt << 7)|0x67,1);
|
| 657 |
|
|
return;
|
| 658 |
|
|
}
|
| 659 |
|
|
printf("b ");
|
| 660 |
|
|
if (addr > 524287 || addr < -524288) {
|
| 661 |
|
|
Ra = 0;
|
| 662 |
|
|
goto j2;
|
| 663 |
|
|
}
|
| 664 |
|
|
printf("emit_insn \r\n");
|
| 665 |
|
|
emit_insn(
|
| 666 |
|
|
(((addr & 0x100000)>>20)<< 31) |
|
| 667 |
|
|
(((addr & 0x7FE)>>1) << 21) |
|
| 668 |
|
|
(((addr & 0x800)>>11) << 20) |
|
| 669 |
|
|
(((addr & 0xFF000)>>12) << 12) |
|
| 670 |
|
|
(Rt << 7) |
|
| 671 |
|
|
0x6F, 0
|
| 672 |
|
|
);
|
| 673 |
|
|
}
|
| 674 |
|
|
|
| 675 |
|
|
// ---------------------------------------------------------------------------
|
| 676 |
|
|
// subui r1,r2,#1234
|
| 677 |
|
|
// ---------------------------------------------------------------------------
|
| 678 |
|
|
/*
|
| 679 |
|
|
static void process_riop(int oc)
|
| 680 |
|
|
{
|
| 681 |
|
|
int Ra;
|
| 682 |
|
|
int Rt;
|
| 683 |
|
|
char *p;
|
| 684 |
|
|
int64_t val;
|
| 685 |
|
|
|
| 686 |
|
|
p = inptr;
|
| 687 |
|
|
Rt = getRegisterX();
|
| 688 |
|
|
need(',');
|
| 689 |
|
|
Ra = getRegisterX();
|
| 690 |
|
|
need(',');
|
| 691 |
|
|
NextToken();
|
| 692 |
|
|
val = expr();
|
| 693 |
|
|
|
| 694 |
|
|
if (lastsym != (SYM *)NULL)
|
| 695 |
|
|
emitImm16(val,!lastsym->defined);
|
| 696 |
|
|
else
|
| 697 |
|
|
emitImm16(val,0);
|
| 698 |
|
|
|
| 699 |
|
|
emitImm16(val,lastsym!=(SYM*)NULL);
|
| 700 |
|
|
emitAlignedCode(oc);
|
| 701 |
|
|
if (bGen)
|
| 702 |
|
|
if (lastsym && !use_gp) {
|
| 703 |
|
|
if( lastsym->segment < 5)
|
| 704 |
|
|
sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | 3 | (lastsym->isExtern ? 128 : 0) |
|
| 705 |
|
|
(lastsym->segment==codeseg ? code_bits << 8 : data_bits << 8));
|
| 706 |
|
|
}
|
| 707 |
|
|
emitCode(Ra);
|
| 708 |
|
|
emitCode(Rt);
|
| 709 |
|
|
emitCode(val & 255);
|
| 710 |
|
|
emitCode((val >> 8) & 255);
|
| 711 |
|
|
}
|
| 712 |
|
|
*/
|
| 713 |
|
|
// ---------------------------------------------------------------------------
|
| 714 |
|
|
// fabs.d fp1,fp2[,rm]
|
| 715 |
|
|
// ---------------------------------------------------------------------------
|
| 716 |
|
|
|
| 717 |
|
|
static void process_fprop(int oc)
|
| 718 |
|
|
{
|
| 719 |
|
|
int Ra;
|
| 720 |
|
|
int Rt;
|
| 721 |
|
|
char *p;
|
| 722 |
|
|
int sz;
|
| 723 |
|
|
int fmt;
|
| 724 |
|
|
int rm;
|
| 725 |
|
|
|
| 726 |
|
|
rm = 0;
|
| 727 |
|
|
sz = 'd';
|
| 728 |
|
|
if (*inptr=='.') {
|
| 729 |
|
|
inptr++;
|
| 730 |
|
|
if (strchr("sdtqSDTQ",*inptr)) {
|
| 731 |
|
|
sz = tolower(*inptr);
|
| 732 |
|
|
inptr++;
|
| 733 |
|
|
}
|
| 734 |
|
|
else
|
| 735 |
|
|
printf("Illegal float size.\r\n");
|
| 736 |
|
|
}
|
| 737 |
|
|
p = inptr;
|
| 738 |
|
|
if (oc==0xF6) // fcmp
|
| 739 |
|
|
Rt = getRegisterX();
|
| 740 |
|
|
else
|
| 741 |
|
|
Rt = getFPRegister();
|
| 742 |
|
|
need(',');
|
| 743 |
|
|
Ra = getFPRegister();
|
| 744 |
|
|
if (token==',')
|
| 745 |
|
|
rm = getFPRoundMode();
|
| 746 |
|
|
prevToken();
|
| 747 |
|
|
emitAlignedCode(0x01);
|
| 748 |
|
|
emitCode(Ra);
|
| 749 |
|
|
emitCode(Rt);
|
| 750 |
|
|
switch(sz) {
|
| 751 |
|
|
case 's': fmt = 0; break;
|
| 752 |
|
|
case 'd': fmt = 1; break;
|
| 753 |
|
|
case 't': fmt = 2; break;
|
| 754 |
|
|
case 'q': fmt = 3; break;
|
| 755 |
|
|
}
|
| 756 |
|
|
emitCode((fmt << 3)|rm);
|
| 757 |
|
|
emitCode(oc);
|
| 758 |
|
|
}
|
| 759 |
|
|
|
| 760 |
|
|
// ---------------------------------------------------------------------------
|
| 761 |
|
|
// fadd.d fp1,fp2,fp12[,rm]
|
| 762 |
|
|
// fcmp.d r1,fp3,fp10[,rm]
|
| 763 |
|
|
// ---------------------------------------------------------------------------
|
| 764 |
|
|
|
| 765 |
|
|
static void process_fprrop(int oc)
|
| 766 |
|
|
{
|
| 767 |
|
|
int Ra;
|
| 768 |
|
|
int Rb;
|
| 769 |
|
|
int Rt;
|
| 770 |
|
|
char *p;
|
| 771 |
|
|
int sz;
|
| 772 |
|
|
int fmt;
|
| 773 |
|
|
int rm;
|
| 774 |
|
|
|
| 775 |
|
|
rm = 0;
|
| 776 |
|
|
sz = 'd';
|
| 777 |
|
|
if (*inptr=='.') {
|
| 778 |
|
|
inptr++;
|
| 779 |
|
|
if (strchr("sdtqSDTQ",*inptr)) {
|
| 780 |
|
|
sz = tolower(*inptr);
|
| 781 |
|
|
inptr++;
|
| 782 |
|
|
}
|
| 783 |
|
|
else
|
| 784 |
|
|
printf("Illegal float size.\r\n");
|
| 785 |
|
|
}
|
| 786 |
|
|
p = inptr;
|
| 787 |
|
|
if (oc==0xF6) // fcmp
|
| 788 |
|
|
Rt = getRegisterX();
|
| 789 |
|
|
else
|
| 790 |
|
|
Rt = getFPRegister();
|
| 791 |
|
|
need(',');
|
| 792 |
|
|
Ra = getFPRegister();
|
| 793 |
|
|
need(',');
|
| 794 |
|
|
Rb = getFPRegister();
|
| 795 |
|
|
if (token==',')
|
| 796 |
|
|
rm = getFPRoundMode();
|
| 797 |
|
|
prevToken();
|
| 798 |
|
|
emitAlignedCode(oc);
|
| 799 |
|
|
emitCode(Ra);
|
| 800 |
|
|
emitCode(Rb);
|
| 801 |
|
|
emitCode(Rt);
|
| 802 |
|
|
switch(sz) {
|
| 803 |
|
|
case 's': fmt = 0; break;
|
| 804 |
|
|
case 'd': fmt = 1; break;
|
| 805 |
|
|
case 't': fmt = 2; break;
|
| 806 |
|
|
case 'q': fmt = 3; break;
|
| 807 |
|
|
}
|
| 808 |
|
|
emitCode((fmt << 3)|rm);
|
| 809 |
|
|
}
|
| 810 |
|
|
|
| 811 |
|
|
// ---------------------------------------------------------------------------
|
| 812 |
|
|
// fcx r0,#2
|
| 813 |
|
|
// fdx r1,#0
|
| 814 |
|
|
// ---------------------------------------------------------------------------
|
| 815 |
|
|
|
| 816 |
|
|
static void process_fpstat(int oc)
|
| 817 |
|
|
{
|
| 818 |
|
|
int Ra;
|
| 819 |
|
|
int64_t bits;
|
| 820 |
|
|
char *p;
|
| 821 |
|
|
|
| 822 |
|
|
p = inptr;
|
| 823 |
|
|
bits = 0;
|
| 824 |
|
|
Ra = getRegisterX();
|
| 825 |
|
|
if (token==',') {
|
| 826 |
|
|
NextToken();
|
| 827 |
|
|
bits = expr();
|
| 828 |
|
|
}
|
| 829 |
|
|
prevToken();
|
| 830 |
|
|
emitAlignedCode(0x01);
|
| 831 |
|
|
emitCode(Ra);
|
| 832 |
|
|
emitCode(bits & 0xff);
|
| 833 |
|
|
emitCode(0x00);
|
| 834 |
|
|
emitCode(oc);
|
| 835 |
|
|
}
|
| 836 |
|
|
|
| 837 |
|
|
// ---------------------------------------------------------------------------
|
| 838 |
|
|
// not r3,r3
|
| 839 |
|
|
// ---------------------------------------------------------------------------
|
| 840 |
|
|
|
| 841 |
|
|
static void process_rop(int oc)
|
| 842 |
|
|
{
|
| 843 |
|
|
int Ra;
|
| 844 |
|
|
int Rt;
|
| 845 |
|
|
|
| 846 |
|
|
Rt = getRegisterX();
|
| 847 |
|
|
need(',');
|
| 848 |
|
|
Ra = getRegisterX();
|
| 849 |
|
|
prevToken();
|
| 850 |
|
|
emitAlignedCode(1);
|
| 851 |
|
|
emitCode(Ra);
|
| 852 |
|
|
emitCode(Rt);
|
| 853 |
|
|
emitCode(0x00);
|
| 854 |
|
|
emitCode(oc);
|
| 855 |
|
|
}
|
| 856 |
|
|
|
| 857 |
|
|
// ---------------------------------------------------------------------------
|
| 858 |
|
|
// brnz r1,label
|
| 859 |
|
|
// ---------------------------------------------------------------------------
|
| 860 |
|
|
|
| 861 |
|
|
static void process_bcc(int funct3)
|
| 862 |
|
|
{
|
| 863 |
|
|
int Ra, Rb;
|
| 864 |
|
|
int64_t val;
|
| 865 |
|
|
int64_t disp;
|
| 866 |
|
|
|
| 867 |
|
|
Ra = getRegisterX();
|
| 868 |
|
|
need(',');
|
| 869 |
|
|
Rb = getRegisterX();
|
| 870 |
|
|
need(',');
|
| 871 |
|
|
NextToken();
|
| 872 |
|
|
val = expr();
|
| 873 |
|
|
disp = val - code_address;
|
| 874 |
|
|
printf("exmit branch\r\n");
|
| 875 |
|
|
emit_insn(
|
| 876 |
|
|
(((disp & 0x1000) >> 12) << 31) |
|
| 877 |
|
|
(((disp & 0x7E0) >> 5) << 25) |
|
| 878 |
|
|
(((disp & 0x1E) >> 1) << 8) |
|
| 879 |
|
|
(((disp & 0x800) >> 11) << 7) |
|
| 880 |
|
|
(Rb << 20) |
|
| 881 |
|
|
(Ra << 15) |
|
| 882 |
|
|
(funct3 << 12) |
|
| 883 |
|
|
0x63,0
|
| 884 |
|
|
);
|
| 885 |
|
|
}
|
| 886 |
|
|
|
| 887 |
|
|
// ---------------------------------------------------------------------------
|
| 888 |
|
|
// bra label
|
| 889 |
|
|
// ---------------------------------------------------------------------------
|
| 890 |
|
|
|
| 891 |
|
|
static void process_bra(int oc)
|
| 892 |
|
|
{
|
| 893 |
|
|
int64_t val;
|
| 894 |
|
|
int64_t disp;
|
| 895 |
|
|
int64_t ad;
|
| 896 |
|
|
|
| 897 |
|
|
NextToken();
|
| 898 |
|
|
val = expr();
|
| 899 |
|
|
ad = code_address + 5;
|
| 900 |
|
|
if ((ad & 15)==15)
|
| 901 |
|
|
ad++;
|
| 902 |
|
|
disp = ((val & 0xFFFFFFFFFFFFF000L) - (ad & 0xFFFFFFFFFFFFF000L)) >> 12;
|
| 903 |
|
|
emitAlignedCode(oc);
|
| 904 |
|
|
emitCode(0x00);
|
| 905 |
|
|
emitCode(val & 255);
|
| 906 |
|
|
emitCode(((disp & 15) << 4)|((val >> 8) & 15));
|
| 907 |
|
|
if (oc==0x56) // BSR
|
| 908 |
|
|
emitCode((disp >> 4) & 255);
|
| 909 |
|
|
else
|
| 910 |
|
|
emitCode((disp >> 4) & 31);
|
| 911 |
|
|
}
|
| 912 |
|
|
|
| 913 |
|
|
// ---------------------------------------------------------------------------
|
| 914 |
|
|
// expr
|
| 915 |
|
|
// expr[Reg]
|
| 916 |
|
|
// expr[Reg+Reg*sc]
|
| 917 |
|
|
// [Reg]
|
| 918 |
|
|
// [Reg+Reg*sc]
|
| 919 |
|
|
// ---------------------------------------------------------------------------
|
| 920 |
|
|
|
| 921 |
|
|
static void mem_operand(int64_t *disp, int *regA)
|
| 922 |
|
|
{
|
| 923 |
|
|
int64_t val;
|
| 924 |
|
|
|
| 925 |
|
|
// chech params
|
| 926 |
|
|
if (disp == (int64_t *)NULL)
|
| 927 |
|
|
return;
|
| 928 |
|
|
if (regA == (int *)NULL)
|
| 929 |
|
|
return;
|
| 930 |
|
|
|
| 931 |
|
|
*disp = 0;
|
| 932 |
|
|
*regA = -1;
|
| 933 |
|
|
if (token!='[') {;
|
| 934 |
|
|
val = expr();
|
| 935 |
|
|
*disp = val;
|
| 936 |
|
|
}
|
| 937 |
|
|
if (token=='[') {
|
| 938 |
|
|
*regA = getRegisterX();
|
| 939 |
|
|
if (*regA == -1) {
|
| 940 |
|
|
printf("expecting a register\r\n");
|
| 941 |
|
|
}
|
| 942 |
|
|
need(']');
|
| 943 |
|
|
}
|
| 944 |
|
|
}
|
| 945 |
|
|
|
| 946 |
|
|
// ---------------------------------------------------------------------------
|
| 947 |
|
|
// sw disp[r1],r2
|
| 948 |
|
|
// sw [r1+r2],r3
|
| 949 |
|
|
// ----------------------------------------------------------------------------
|
| 950 |
|
|
|
| 951 |
|
|
static void process_store(int oc, int func3)
|
| 952 |
|
|
{
|
| 953 |
|
|
int Ra;
|
| 954 |
|
|
int Rs;
|
| 955 |
|
|
int64_t disp;
|
| 956 |
|
|
|
| 957 |
|
|
Rs = getRegisterX();
|
| 958 |
|
|
if (Rs < 0) {
|
| 959 |
|
|
printf("Expecting a source register.\r\n");
|
| 960 |
|
|
ScanToEOL();
|
| 961 |
|
|
return;
|
| 962 |
|
|
}
|
| 963 |
|
|
expect(',');
|
| 964 |
|
|
mem_operand(&disp, &Ra);
|
| 965 |
|
|
if (Ra < 0) Ra = 0;
|
| 966 |
|
|
if ((disp < -2048 || disp > 2047) && OPTLUI0) {
|
| 967 |
|
|
emit_insn((disp & 0xFFFFF000)|(0 << 7)|0x37,1); // LUI
|
| 968 |
|
|
}
|
| 969 |
|
|
if ((disp < -2048 || disp > 2047)) {
|
| 970 |
|
|
if (OPTX32) {
|
| 971 |
|
|
emit_insn((((0x800)>>5) << 25)|(Rs << 20)|(Ra << 15)|(func3<<12)|((disp & 0x1f) << 7)|oc,1);
|
| 972 |
|
|
emit_insn(disp,0);
|
| 973 |
|
|
}
|
| 974 |
|
|
else if (OPT64) {
|
| 975 |
|
|
emit_insn((((disp & 0xFFF)>>5) << 25)|(Rs << 20)|(Ra << 15)|(func3<<12)|((disp & 0x1f) << 7)|0x3F,!expand_flag);
|
| 976 |
|
|
emit_insn((disp&0xFFFFF000)|oc,0);
|
| 977 |
|
|
}
|
| 978 |
|
|
}
|
| 979 |
|
|
else
|
| 980 |
|
|
emit_insn((((disp & 0xFFF)>>5) << 25)|(Rs << 20)|(Ra << 15)|(func3<<12)|((disp & 0x1f) << 7)|oc,!expand_flag);
|
| 981 |
|
|
ScanToEOL();
|
| 982 |
|
|
}
|
| 983 |
|
|
|
| 984 |
|
|
// ----------------------------------------------------------------------------
|
| 985 |
|
|
// ----------------------------------------------------------------------------
|
| 986 |
|
|
|
| 987 |
|
|
static void process_ldi()
|
| 988 |
|
|
{
|
| 989 |
|
|
int Rt;
|
| 990 |
|
|
int64_t val;
|
| 991 |
|
|
|
| 992 |
|
|
Rt = getRegisterX();
|
| 993 |
|
|
expect(',');
|
| 994 |
|
|
val = expr();
|
| 995 |
|
|
if ((val < -2048 || val > 2047) && OPTLUI0)
|
| 996 |
|
|
emit_insn((val & 0xFFFFF000) | 0x37,1);
|
| 997 |
|
|
if ((val < -2048 || val > 2047)) {
|
| 998 |
|
|
if (OPTX32) {
|
| 999 |
|
|
emit_insn(((0x800) << 20)| (6 << 12) | (Rt << 7) | 0x13,1); // ORI
|
| 1000 |
|
|
emit_insn(val,0);
|
| 1001 |
|
|
}
|
| 1002 |
|
|
else if (OPT64) {
|
| 1003 |
|
|
emit_insn(((val & 0xFFF) << 20)| (6 << 12) | (Rt << 7) | 0x3F,!expand_flag); // ORI
|
| 1004 |
|
|
emit_insn((val&0xFFFFF000)|0x13,0);
|
| 1005 |
|
|
}
|
| 1006 |
|
|
}
|
| 1007 |
|
|
else
|
| 1008 |
|
|
emit_insn(((val & 0xFFF) << 20)| (6 << 12) | (Rt << 7) | 0x13,!expand_flag); // ORI
|
| 1009 |
|
|
}
|
| 1010 |
|
|
|
| 1011 |
|
|
// ----------------------------------------------------------------------------
|
| 1012 |
|
|
// lw r1,disp[r2]
|
| 1013 |
|
|
// lw r1,[r2+r3]
|
| 1014 |
|
|
// ----------------------------------------------------------------------------
|
| 1015 |
|
|
|
| 1016 |
|
|
static void process_load(int oc, int func3)
|
| 1017 |
|
|
{
|
| 1018 |
|
|
int Ra;
|
| 1019 |
|
|
int Rt;
|
| 1020 |
|
|
char *p;
|
| 1021 |
|
|
int64_t disp;
|
| 1022 |
|
|
int fixup = 5;
|
| 1023 |
|
|
|
| 1024 |
|
|
p = inptr;
|
| 1025 |
|
|
Rt = getRegisterX();
|
| 1026 |
|
|
if (Rt < 0) {
|
| 1027 |
|
|
printf("Expecting a target register.\r\n");
|
| 1028 |
|
|
// printf("Line:%.60s\r\n",p);
|
| 1029 |
|
|
ScanToEOL();
|
| 1030 |
|
|
inptr-=2;
|
| 1031 |
|
|
return;
|
| 1032 |
|
|
}
|
| 1033 |
|
|
expect(',');
|
| 1034 |
|
|
mem_operand(&disp, &Ra);
|
| 1035 |
|
|
if (Ra < 0) Ra = 0;
|
| 1036 |
|
|
if ((disp < -2048 || disp > 2047)&&OPTLUI0) {
|
| 1037 |
|
|
emit_insn((disp & 0xFFFFF000)|(0 << 7)|0x37,1); // LUI
|
| 1038 |
|
|
}
|
| 1039 |
|
|
if ((disp < -2048 || disp > 2047)) {
|
| 1040 |
|
|
if (OPTX32) {
|
| 1041 |
|
|
emit_insn((0x800 << 20)|(Ra << 15)|(func3<<12)|(Rt<<7)|oc,1);
|
| 1042 |
|
|
emit_insn(disp,0);
|
| 1043 |
|
|
}
|
| 1044 |
|
|
else if (OPT64) {
|
| 1045 |
|
|
emit_insn(((disp&0x800) << 20)|(Ra << 15)|(func3<<12)|(Rt<<7)|0x3F,!expand_flag);
|
| 1046 |
|
|
emit_insn((disp&0xFFFFF000)|oc,0);
|
| 1047 |
|
|
}
|
| 1048 |
|
|
}
|
| 1049 |
|
|
else
|
| 1050 |
|
|
emit_insn(((disp & 0xFFF) << 20)|(Ra << 15)|(func3<<12)|(Rt<<7)|oc,!expand_flag);
|
| 1051 |
|
|
ScanToEOL();
|
| 1052 |
|
|
}
|
| 1053 |
|
|
|
| 1054 |
|
|
// ----------------------------------------------------------------------------
|
| 1055 |
|
|
// mov r1,r2
|
| 1056 |
|
|
// ----------------------------------------------------------------------------
|
| 1057 |
|
|
|
| 1058 |
|
|
static void process_mov(int oc)
|
| 1059 |
|
|
{
|
| 1060 |
|
|
int Ra;
|
| 1061 |
|
|
int Rt;
|
| 1062 |
|
|
|
| 1063 |
|
|
Rt = getRegisterX();
|
| 1064 |
|
|
need(',');
|
| 1065 |
|
|
Ra = getRegisterX();
|
| 1066 |
|
|
emitAlignedCode(0x01);
|
| 1067 |
|
|
emitCode(Ra);
|
| 1068 |
|
|
emitCode(Rt);
|
| 1069 |
|
|
emitCode(0x00);
|
| 1070 |
|
|
emitCode(oc);
|
| 1071 |
|
|
prevToken();
|
| 1072 |
|
|
}
|
| 1073 |
|
|
|
| 1074 |
|
|
// ----------------------------------------------------------------------------
|
| 1075 |
|
|
// rts
|
| 1076 |
|
|
// rts #24
|
| 1077 |
|
|
// ----------------------------------------------------------------------------
|
| 1078 |
|
|
|
| 1079 |
|
|
static void process_rts(int oc)
|
| 1080 |
|
|
{
|
| 1081 |
|
|
int64_t val;
|
| 1082 |
|
|
|
| 1083 |
|
|
val = 0;
|
| 1084 |
|
|
NextToken();
|
| 1085 |
|
|
if (token=='#') {
|
| 1086 |
|
|
val = expr();
|
| 1087 |
|
|
}
|
| 1088 |
|
|
emitAlignedCode(oc);
|
| 1089 |
|
|
emitCode(0x00);
|
| 1090 |
|
|
emitCode(val & 255);
|
| 1091 |
|
|
emitCode((val >> 8) & 255);
|
| 1092 |
|
|
emitCode(0x00);
|
| 1093 |
|
|
}
|
| 1094 |
|
|
|
| 1095 |
|
|
// ----------------------------------------------------------------------------
|
| 1096 |
|
|
// srli r1,r2,#5
|
| 1097 |
|
|
// ----------------------------------------------------------------------------
|
| 1098 |
|
|
|
| 1099 |
|
|
static void process_shifti(int oc, int funct3, int funct7)
|
| 1100 |
|
|
{
|
| 1101 |
|
|
int Ra;
|
| 1102 |
|
|
int Rt;
|
| 1103 |
|
|
int64_t val;
|
| 1104 |
|
|
|
| 1105 |
|
|
Rt = getRegisterX();
|
| 1106 |
|
|
need(',');
|
| 1107 |
|
|
Ra = getRegisterX();
|
| 1108 |
|
|
need(',');
|
| 1109 |
|
|
NextToken();
|
| 1110 |
|
|
val = expr();
|
| 1111 |
|
|
emit_insn((funct7 << 25) | ((val & 0x1F) << 20) | (Ra << 15)| (funct3 << 12) | (Rt << 7) | oc,1); // ORI
|
| 1112 |
|
|
}
|
| 1113 |
|
|
|
| 1114 |
|
|
// ----------------------------------------------------------------------------
|
| 1115 |
|
|
// gran r1
|
| 1116 |
|
|
// ----------------------------------------------------------------------------
|
| 1117 |
|
|
|
| 1118 |
|
|
static void process_gran(int oc)
|
| 1119 |
|
|
{
|
| 1120 |
|
|
int Rt;
|
| 1121 |
|
|
|
| 1122 |
|
|
Rt = getRegisterX();
|
| 1123 |
|
|
emitAlignedCode(0x01);
|
| 1124 |
|
|
emitCode(0x00);
|
| 1125 |
|
|
emitCode(Rt);
|
| 1126 |
|
|
emitCode(0x00);
|
| 1127 |
|
|
emitCode(oc);
|
| 1128 |
|
|
prevToken();
|
| 1129 |
|
|
}
|
| 1130 |
|
|
|
| 1131 |
|
|
// ----------------------------------------------------------------------------
|
| 1132 |
|
|
// ----------------------------------------------------------------------------
|
| 1133 |
|
|
|
| 1134 |
|
|
static void process_mtspr(int oc)
|
| 1135 |
|
|
{
|
| 1136 |
|
|
int spr;
|
| 1137 |
|
|
int Ra;
|
| 1138 |
|
|
|
| 1139 |
|
|
spr = getSprRegister();
|
| 1140 |
|
|
need(',');
|
| 1141 |
|
|
Ra = getRegisterX();
|
| 1142 |
|
|
emitAlignedCode(0x01);
|
| 1143 |
|
|
emitCode(Ra);
|
| 1144 |
|
|
emitCode(spr);
|
| 1145 |
|
|
emitCode(0x00);
|
| 1146 |
|
|
emitCode(oc);
|
| 1147 |
|
|
if (Ra >= 0)
|
| 1148 |
|
|
prevToken();
|
| 1149 |
|
|
}
|
| 1150 |
|
|
|
| 1151 |
|
|
// ----------------------------------------------------------------------------
|
| 1152 |
|
|
// ----------------------------------------------------------------------------
|
| 1153 |
|
|
|
| 1154 |
|
|
static void process_mtfp(int oc)
|
| 1155 |
|
|
{
|
| 1156 |
|
|
int fpr;
|
| 1157 |
|
|
int Ra;
|
| 1158 |
|
|
|
| 1159 |
|
|
fpr = getFPRegister();
|
| 1160 |
|
|
need(',');
|
| 1161 |
|
|
Ra = getRegisterX();
|
| 1162 |
|
|
emitAlignedCode(0x01);
|
| 1163 |
|
|
emitCode(Ra);
|
| 1164 |
|
|
emitCode(fpr);
|
| 1165 |
|
|
emitCode(0x00);
|
| 1166 |
|
|
emitCode(oc);
|
| 1167 |
|
|
if (Ra >= 0)
|
| 1168 |
|
|
prevToken();
|
| 1169 |
|
|
}
|
| 1170 |
|
|
|
| 1171 |
|
|
// ----------------------------------------------------------------------------
|
| 1172 |
|
|
// ----------------------------------------------------------------------------
|
| 1173 |
|
|
|
| 1174 |
|
|
static void process_mfspr(int oc)
|
| 1175 |
|
|
{
|
| 1176 |
|
|
int spr;
|
| 1177 |
|
|
int Rt;
|
| 1178 |
|
|
|
| 1179 |
|
|
Rt = getRegisterX();
|
| 1180 |
|
|
need(',');
|
| 1181 |
|
|
spr = getSprRegister();
|
| 1182 |
|
|
emitAlignedCode(0x01);
|
| 1183 |
|
|
emitCode(spr);
|
| 1184 |
|
|
emitCode(Rt);
|
| 1185 |
|
|
emitCode(0x00);
|
| 1186 |
|
|
emitCode(oc);
|
| 1187 |
|
|
if (spr >= 0)
|
| 1188 |
|
|
prevToken();
|
| 1189 |
|
|
}
|
| 1190 |
|
|
|
| 1191 |
|
|
// ----------------------------------------------------------------------------
|
| 1192 |
|
|
// ----------------------------------------------------------------------------
|
| 1193 |
|
|
|
| 1194 |
|
|
static void process_mffp(int oc)
|
| 1195 |
|
|
{
|
| 1196 |
|
|
int fpr;
|
| 1197 |
|
|
int Rt;
|
| 1198 |
|
|
|
| 1199 |
|
|
Rt = getRegisterX();
|
| 1200 |
|
|
need(',');
|
| 1201 |
|
|
fpr = getFPRegister();
|
| 1202 |
|
|
emitAlignedCode(0x01);
|
| 1203 |
|
|
emitCode(fpr);
|
| 1204 |
|
|
emitCode(Rt);
|
| 1205 |
|
|
emitCode(0x00);
|
| 1206 |
|
|
emitCode(oc);
|
| 1207 |
|
|
if (fpr >= 0)
|
| 1208 |
|
|
prevToken();
|
| 1209 |
|
|
}
|
| 1210 |
|
|
|
| 1211 |
|
|
// ----------------------------------------------------------------------------
|
| 1212 |
|
|
// ----------------------------------------------------------------------------
|
| 1213 |
|
|
|
| 1214 |
|
|
static void process_fprdstat(int oc)
|
| 1215 |
|
|
{
|
| 1216 |
|
|
int Rt;
|
| 1217 |
|
|
|
| 1218 |
|
|
Rt = getRegisterX();
|
| 1219 |
|
|
emitAlignedCode(0x01);
|
| 1220 |
|
|
emitCode(0x00);
|
| 1221 |
|
|
emitCode(Rt);
|
| 1222 |
|
|
emitCode(0x00);
|
| 1223 |
|
|
emitCode(oc);
|
| 1224 |
|
|
}
|
| 1225 |
|
|
|
| 1226 |
|
|
static void process_csrrw(int opcode3)
|
| 1227 |
|
|
{
|
| 1228 |
|
|
int Rd;
|
| 1229 |
|
|
int Rs = 0;
|
| 1230 |
|
|
int64_t val;
|
| 1231 |
|
|
int64_t val2 = 0;
|
| 1232 |
|
|
int flag = 0;
|
| 1233 |
|
|
|
| 1234 |
|
|
Rd = getRegisterX();
|
| 1235 |
|
|
need(',');
|
| 1236 |
|
|
NextToken();
|
| 1237 |
|
|
val = expr();
|
| 1238 |
|
|
prevToken();
|
| 1239 |
|
|
need(',');
|
| 1240 |
|
|
NextToken();
|
| 1241 |
|
|
if (token=='#') {
|
| 1242 |
|
|
val2 = expr();
|
| 1243 |
|
|
flag = 4;
|
| 1244 |
|
|
}
|
| 1245 |
|
|
else {
|
| 1246 |
|
|
Rs = getRegisterX();
|
| 1247 |
|
|
prevToken();
|
| 1248 |
|
|
}
|
| 1249 |
|
|
emit_insn((val << 20) | ((Rs|val2) << 15) | ((opcode3|flag) << 12) | (Rd << 7) | 0x73,!expand_flag);
|
| 1250 |
|
|
}
|
| 1251 |
|
|
|
| 1252 |
|
|
// ----------------------------------------------------------------------------
|
| 1253 |
|
|
// ----------------------------------------------------------------------------
|
| 1254 |
|
|
|
| 1255 |
|
|
static void ProcessEOL(int opt)
|
| 1256 |
|
|
{
|
| 1257 |
|
|
int nn,mm;
|
| 1258 |
|
|
int first;
|
| 1259 |
|
|
int cc;
|
| 1260 |
|
|
|
| 1261 |
|
|
//printf("Line: %d\r", lineno);
|
| 1262 |
|
|
expand_flag = 0;
|
| 1263 |
|
|
compress_flag = 0;
|
| 1264 |
|
|
segprefix = -1;
|
| 1265 |
|
|
if (bGen && (segment==codeseg || segment==dataseg || segment==rodataseg)) {
|
| 1266 |
|
|
nn = binstart;
|
| 1267 |
|
|
cc = 8;
|
| 1268 |
|
|
if (segment==codeseg) {
|
| 1269 |
|
|
cc = 4;
|
| 1270 |
|
|
/*
|
| 1271 |
|
|
if (sections[segment].bytes[binstart]==0x61) {
|
| 1272 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
| 1273 |
|
|
for (nn = binstart; nn < binstart + 5 && nn < sections[segment].index; nn++) {
|
| 1274 |
|
|
fprintf(ofp, "%02X ", sections[segment].bytes[nn]);
|
| 1275 |
|
|
}
|
| 1276 |
|
|
fprintf(ofp, " ; imm\n");
|
| 1277 |
|
|
if (((ca+5) & 15)==15) {
|
| 1278 |
|
|
ca+=6;
|
| 1279 |
|
|
binstart+=6;
|
| 1280 |
|
|
nn++;
|
| 1281 |
|
|
}
|
| 1282 |
|
|
else {
|
| 1283 |
|
|
ca += 5;
|
| 1284 |
|
|
binstart += 5;
|
| 1285 |
|
|
}
|
| 1286 |
|
|
}
|
| 1287 |
|
|
*/
|
| 1288 |
|
|
/*
|
| 1289 |
|
|
if (sections[segment].bytes[binstart]==0xfd) {
|
| 1290 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
| 1291 |
|
|
for (nn = binstart; nn < binstart + 5 && nn < sections[segment].index; nn++) {
|
| 1292 |
|
|
fprintf(ofp, "%02X ", sections[segment].bytes[nn]);
|
| 1293 |
|
|
}
|
| 1294 |
|
|
fprintf(ofp, " ; imm\n");
|
| 1295 |
|
|
if (((ca+5) & 15)==15) {
|
| 1296 |
|
|
ca+=6;
|
| 1297 |
|
|
binstart+=6;
|
| 1298 |
|
|
nn++;
|
| 1299 |
|
|
}
|
| 1300 |
|
|
else {
|
| 1301 |
|
|
ca += 5;
|
| 1302 |
|
|
binstart += 5;
|
| 1303 |
|
|
}
|
| 1304 |
|
|
}
|
| 1305 |
|
|
if (sections[segment].bytes[binstart]==0xfe) {
|
| 1306 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
| 1307 |
|
|
for (nn = binstart; nn < binstart + 5 && nn < sections[segment].index; nn++) {
|
| 1308 |
|
|
fprintf(ofp, "%02X ", sections[segment].bytes[nn]);
|
| 1309 |
|
|
}
|
| 1310 |
|
|
fprintf(ofp, " ; imm\n");
|
| 1311 |
|
|
if (((ca+5) & 15)==15) {
|
| 1312 |
|
|
ca+=6;
|
| 1313 |
|
|
nn++;
|
| 1314 |
|
|
}
|
| 1315 |
|
|
else {
|
| 1316 |
|
|
ca += 5;
|
| 1317 |
|
|
}
|
| 1318 |
|
|
}
|
| 1319 |
|
|
*/
|
| 1320 |
|
|
}
|
| 1321 |
|
|
|
| 1322 |
|
|
first = 1;
|
| 1323 |
|
|
while (nn < sections[segment].index) {
|
| 1324 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
| 1325 |
|
|
for (mm = nn; nn < mm + cc && nn < sections[segment].index; nn+=4) {
|
| 1326 |
|
|
fprintf(ofp, "%02X", sections[segment].bytes[nn+3]);
|
| 1327 |
|
|
fprintf(ofp, "%02X", sections[segment].bytes[nn+2]);
|
| 1328 |
|
|
fprintf(ofp, "%02X", sections[segment].bytes[nn+1]);
|
| 1329 |
|
|
fprintf(ofp, "%02X", sections[segment].bytes[nn]);
|
| 1330 |
|
|
}
|
| 1331 |
|
|
for (; nn < mm + cc; nn++)
|
| 1332 |
|
|
fprintf(ofp, " ");
|
| 1333 |
|
|
if (first & opt) {
|
| 1334 |
|
|
fprintf(ofp, "\t%.*s\n", inptr-stptr-1, stptr);
|
| 1335 |
|
|
first = 0;
|
| 1336 |
|
|
}
|
| 1337 |
|
|
else
|
| 1338 |
|
|
fprintf(ofp, opt ? "\n" : "; NOP Ramp\n");
|
| 1339 |
|
|
ca += cc;
|
| 1340 |
|
|
}
|
| 1341 |
|
|
// empty (codeless) line
|
| 1342 |
|
|
if (binstart==sections[segment].index) {
|
| 1343 |
|
|
fprintf(ofp, "%24s\t%.*s", "", inptr-stptr, stptr);
|
| 1344 |
|
|
}
|
| 1345 |
|
|
} // bGen
|
| 1346 |
|
|
if (opt) {
|
| 1347 |
|
|
stptr = inptr;
|
| 1348 |
|
|
lineno++;
|
| 1349 |
|
|
}
|
| 1350 |
|
|
binstart = sections[segment].index;
|
| 1351 |
|
|
ca = sections[segment].address;
|
| 1352 |
|
|
}
|
| 1353 |
|
|
|
| 1354 |
|
|
// ----------------------------------------------------------------------------
|
| 1355 |
|
|
// ----------------------------------------------------------------------------
|
| 1356 |
|
|
|
| 1357 |
|
|
void Friscv_processMaster()
|
| 1358 |
|
|
{
|
| 1359 |
|
|
int nn,mm;
|
| 1360 |
|
|
int64_t bs1, bs2;
|
| 1361 |
|
|
|
| 1362 |
|
|
lineno = 1;
|
| 1363 |
|
|
binndx = 0;
|
| 1364 |
|
|
binstart = 0;
|
| 1365 |
|
|
bs1 = 0;
|
| 1366 |
|
|
bs2 = 0;
|
| 1367 |
|
|
inptr = &masterFile[0];
|
| 1368 |
|
|
stptr = inptr;
|
| 1369 |
|
|
code_address = 0;
|
| 1370 |
|
|
bss_address = 0;
|
| 1371 |
|
|
start_address = 0;
|
| 1372 |
|
|
first_org = 1;
|
| 1373 |
|
|
first_rodata = 1;
|
| 1374 |
|
|
first_data = 1;
|
| 1375 |
|
|
first_bss = 1;
|
| 1376 |
|
|
if (pass<3) {
|
| 1377 |
|
|
htblmax = 0;
|
| 1378 |
|
|
for (nn = 0; nn < 100000; nn++) {
|
| 1379 |
|
|
hTable[nn].count = 0;
|
| 1380 |
|
|
hTable[nn].opcode = 0;
|
| 1381 |
|
|
}
|
| 1382 |
|
|
}
|
| 1383 |
|
|
for (nn = 0; nn < 12; nn++) {
|
| 1384 |
|
|
sections[nn].index = 0;
|
| 1385 |
|
|
if (nn == 0)
|
| 1386 |
|
|
sections[nn].address = 0;
|
| 1387 |
|
|
else
|
| 1388 |
|
|
sections[nn].address = 0;
|
| 1389 |
|
|
sections[nn].start = 0;
|
| 1390 |
|
|
sections[nn].end = 0;
|
| 1391 |
|
|
}
|
| 1392 |
|
|
ca = code_address;
|
| 1393 |
|
|
segment = codeseg;
|
| 1394 |
|
|
memset(current_label,0,sizeof(current_label));
|
| 1395 |
|
|
NextToken();
|
| 1396 |
|
|
while (token != tk_eof) {
|
| 1397 |
|
|
// printf("\t%.*s\n", inptr-stptr-1, stptr);
|
| 1398 |
|
|
// printf("token=%d\r", token);
|
| 1399 |
|
|
switch(token) {
|
| 1400 |
|
|
case tk_eol: ProcessEOL(1); break;
|
| 1401 |
|
|
// case tk_add: process_add(); break;
|
| 1402 |
|
|
case tk_add: process_rrop(0x33,0x00,0x00); break;
|
| 1403 |
|
|
case tk_addi: process_addi(0); break;
|
| 1404 |
|
|
case tk_align: process_align(); continue; break;
|
| 1405 |
|
|
case tk_and: process_rrop(0x33,0x07,0x00); break;
|
| 1406 |
|
|
case tk_andi: process_addi(7); break;
|
| 1407 |
|
|
case tk_beq: process_bcc(0); break;
|
| 1408 |
|
|
case tk_bge: process_bcc(5); break;
|
| 1409 |
|
|
case tk_bgeu: process_bcc(7); break;
|
| 1410 |
|
|
case tk_blt: process_bcc(4); break;
|
| 1411 |
|
|
case tk_bltu: process_bcc(6); break;
|
| 1412 |
|
|
case tk_bne: process_bcc(1); break;
|
| 1413 |
|
|
case tk_bra: process_bra(0x46); break;
|
| 1414 |
|
|
case tk_bsr: process_bra(0x56); break;
|
| 1415 |
|
|
case tk_bss:
|
| 1416 |
|
|
if (first_bss) {
|
| 1417 |
|
|
while(sections[segment].address & 4095)
|
| 1418 |
|
|
emitByte(0x00);
|
| 1419 |
|
|
sections[3].address = sections[segment].address;
|
| 1420 |
|
|
first_bss = 0;
|
| 1421 |
|
|
binstart = sections[3].index;
|
| 1422 |
|
|
ca = sections[3].address;
|
| 1423 |
|
|
}
|
| 1424 |
|
|
segment = bssseg;
|
| 1425 |
|
|
break;
|
| 1426 |
|
|
case tk_cli: emit_insn(0x3100000001,1); break;
|
| 1427 |
|
|
case tk_code: process_code(); break;
|
| 1428 |
|
|
case tk_com: process_rop(0x06); break;
|
| 1429 |
|
|
case tk_cs: segprefix = 15; break;
|
| 1430 |
|
|
case tk_csrrc: process_csrrw(3); break;
|
| 1431 |
|
|
case tk_csrrs: process_csrrw(2); break;
|
| 1432 |
|
|
case tk_csrrw: process_csrrw(1); break;
|
| 1433 |
|
|
case tk_data:
|
| 1434 |
|
|
if (first_data) {
|
| 1435 |
|
|
while(sections[segment].address & 4095)
|
| 1436 |
|
|
emitByte(0x00);
|
| 1437 |
|
|
sections[2].address = sections[segment].address; // set starting address
|
| 1438 |
|
|
first_data = 0;
|
| 1439 |
|
|
binstart = sections[2].index;
|
| 1440 |
|
|
ca = sections[2].address;
|
| 1441 |
|
|
}
|
| 1442 |
|
|
process_data(dataseg);
|
| 1443 |
|
|
break;
|
| 1444 |
|
|
case tk_db: process_db(); break;
|
| 1445 |
|
|
case tk_dc: process_dc(); break;
|
| 1446 |
|
|
case tk_dh: process_dh(); break;
|
| 1447 |
|
|
// case tk_div: process_rrop(0x08); break;
|
| 1448 |
|
|
// case tk_divu: process_rrop(0x18); break;
|
| 1449 |
|
|
case tk_dw: process_dw(); break;
|
| 1450 |
|
|
case tk_end: goto j1;
|
| 1451 |
|
|
case tk_endpublic: break;
|
| 1452 |
|
|
case tk_eor: process_rrop(0x33,0x04,0x00); break;
|
| 1453 |
|
|
case tk_eori: process_riop(0x13,0x04); break;
|
| 1454 |
|
|
case tk_extern: process_extern(); break;
|
| 1455 |
|
|
case tk_fabs: process_fprop(0x88); break;
|
| 1456 |
|
|
case tk_fadd: process_fprrop(0xF4); break;
|
| 1457 |
|
|
case tk_fcmp: process_fprrop(0xF6); break;
|
| 1458 |
|
|
case tk_fdiv: process_fprrop(0xF8); break;
|
| 1459 |
|
|
case tk_fill: process_fill(); break;
|
| 1460 |
|
|
case tk_fix2flt: process_fprop(0x84); break;
|
| 1461 |
|
|
case tk_flt2fix: process_fprop(0x85); break;
|
| 1462 |
|
|
case tk_fmov: process_fprop(0x87); break;
|
| 1463 |
|
|
case tk_fmul: process_fprrop(0xF7); break;
|
| 1464 |
|
|
case tk_fnabs: process_fprop(0x89); break;
|
| 1465 |
|
|
case tk_fneg: process_fprop(0x8A); break;
|
| 1466 |
|
|
case tk_frm: process_fpstat(0x78); break;
|
| 1467 |
|
|
case tk_fstat: process_fprdstat(0x86); break;
|
| 1468 |
|
|
case tk_fsub: process_fprrop(0xF5); break;
|
| 1469 |
|
|
case tk_ftx: process_fpstat(0x75); break;
|
| 1470 |
|
|
case tk_gran: process_gran(0x14); break;
|
| 1471 |
|
|
case tk_jal: process_jal(); break;
|
| 1472 |
|
|
case tk_jmp: process_jal(); break;
|
| 1473 |
|
|
case tk_lb: process_load(0x03,0); break;
|
| 1474 |
|
|
case tk_lbu: process_load(0x03,4); break;
|
| 1475 |
|
|
case tk_ld: process_ldi(); break;
|
| 1476 |
|
|
case tk_ldi: process_ldi(); break;
|
| 1477 |
|
|
case tk_lh: process_load(0x03,1); break;
|
| 1478 |
|
|
case tk_lhu: process_load(0x03,5); break;
|
| 1479 |
|
|
// case tk_lui: process_lui(); break;
|
| 1480 |
|
|
case tk_lw: process_load(0x03,2); break;
|
| 1481 |
|
|
case tk_mfspr: process_mfspr(0x49); break;
|
| 1482 |
|
|
case tk_mov: process_mov(0x04); break;
|
| 1483 |
|
|
case tk_mtspr: process_mtspr(0x48); break;
|
| 1484 |
|
|
case tk_mul: process_rrop(0x33,0x00,0x01); break;
|
| 1485 |
|
|
case tk_neg: process_rop(0x05); break;
|
| 1486 |
|
|
case tk_nop: emit_insn(0xEAEAEAEAEA,1); break;
|
| 1487 |
|
|
case tk_not: process_rop(0x07); break;
|
| 1488 |
|
|
case tk_or: process_rrop(0x33,0x06,0x00); break;
|
| 1489 |
|
|
case tk_ori: process_addi(6); break;
|
| 1490 |
|
|
case tk_org: process_org(); break;
|
| 1491 |
|
|
case tk_php: emit_insn(0x3200000001,1); break;
|
| 1492 |
|
|
case tk_plp: emit_insn(0x3300000001,1); break;
|
| 1493 |
|
|
case tk_plus: expand_flag = 1; break;
|
| 1494 |
|
|
case tk_public: process_public(); break;
|
| 1495 |
|
|
case tk_rodata:
|
| 1496 |
|
|
if (first_rodata) {
|
| 1497 |
|
|
while(sections[segment].address & 4095)
|
| 1498 |
|
|
emitByte(0x00);
|
| 1499 |
|
|
sections[1].address = sections[segment].address;
|
| 1500 |
|
|
first_rodata = 0;
|
| 1501 |
|
|
binstart = sections[1].index;
|
| 1502 |
|
|
ca = sections[1].address;
|
| 1503 |
|
|
}
|
| 1504 |
|
|
segment = rodataseg;
|
| 1505 |
|
|
break;
|
| 1506 |
|
|
case tk_eret: emit_insn(0x10000073,1); break;
|
| 1507 |
|
|
case tk_rts: process_rts(0x60); break;
|
| 1508 |
|
|
case tk_sb: process_store(0x23,0); break;
|
| 1509 |
|
|
case tk_sei: emit_insn(0x3000000001,1); break;
|
| 1510 |
|
|
case tk_slt: process_rrop(0x33,0x02,0x00); break;
|
| 1511 |
|
|
case tk_sltu: process_rrop(0x33,0x03,0x00); break;
|
| 1512 |
|
|
case tk_slti: process_riop(0x13,0x02); break;
|
| 1513 |
|
|
case tk_sltui: process_riop(0x13,0x03); break;
|
| 1514 |
|
|
case tk_sh: process_store(0x23,1); break;
|
| 1515 |
|
|
case tk_slli: process_shifti(0x13,0x01,0x00); break;
|
| 1516 |
|
|
case tk_srai: process_shifti(0x13,0x05,0x20); break;
|
| 1517 |
|
|
case tk_srli: process_shifti(0x13,0x05,0x00); break;
|
| 1518 |
|
|
case tk_sub: process_rrop(0x33,0x00,0x20); break;
|
| 1519 |
|
|
// case tk_sub: process_sub(); break;
|
| 1520 |
|
|
case tk_sxb: process_rop(0x08); break;
|
| 1521 |
|
|
case tk_sxc: process_rop(0x09); break;
|
| 1522 |
|
|
case tk_sxh: process_rop(0x0A); break;
|
| 1523 |
|
|
case tk_sw: process_store(0x23,2); break;
|
| 1524 |
|
|
case tk_swap: process_rop(0x03); break;
|
| 1525 |
|
|
case tk_xor: process_rrop(0x33,0x04,0x00); break;
|
| 1526 |
|
|
case tk_xori: process_riop(0x13,0x04); break;
|
| 1527 |
|
|
case tk_id: process_label(); break;
|
| 1528 |
|
|
case '-': compress_flag = 1; break;
|
| 1529 |
|
|
}
|
| 1530 |
|
|
NextToken();
|
| 1531 |
|
|
}
|
| 1532 |
|
|
j1:
|
| 1533 |
|
|
;
|
| 1534 |
|
|
}
|
| 1535 |
|
|
|
