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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);
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int first_rodata;
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int first_data;
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int first_bss;
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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static void emit_insn(int64_t oc)
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{
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emitAlignedCode(oc & 255);
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emitCode((oc >> 8) & 255);
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emitCode((oc >> 16) & 255);
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emitCode((oc >> 24) & 255);
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emitCode((oc >> 32) & 255);
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}
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// ---------------------------------------------------------------------------
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// Emit code aligned to a code address.
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// ---------------------------------------------------------------------------
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static void emitAlignedCode(int cd)
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{
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int64_t ad;
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ad = code_address & 15;
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while (ad != 0 && ad != 5 && ad != 10) {
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emitByte(0x00);
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ad = code_address & 15;
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}
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ad = code_address & 0xfff;
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if ((ad > 0xFF0 && cd == 0xFD) || (ad > 0xFEA && cd == 0x61)) {
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emit_insn(0xEAEAEAEAEA);
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emit_insn(0xEAEAEAEAEA);
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if (cd==0x61)
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emit_insn(0xEAEAEAEAEA);
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ad = code_address & 0xfff;
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while (ad != 0 && ad != 5 && ad != 10) {
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emitByte(0x00);
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ad = code_address & 15;
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}
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}
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emitByte(cd);
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}
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// ----------------------------------------------------------------------------
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// Bump up the address to the next aligned code address.
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// ----------------------------------------------------------------------------
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void Table888_bump_address()
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{
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// if ((*address & 15)==15)
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// *address = *address + 1;
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if (segment==codeseg) {
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while ((sections[segment].address & 15) != 0 &&
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(sections[segment].address & 15) != 5 &&
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(sections[segment].address & 15) != 10) {
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emitByte(0x00);
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}
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}
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}
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// ---------------------------------------------------------------------------
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// Emit constant extension for memory operands.
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// ---------------------------------------------------------------------------
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static void emitImm4(int64_t v, int force)
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{
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if (v < -8L || v > 7L || force) {
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emitAlignedCode(0xfd);
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emitCode((v >> 4) & 255);
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emitCode((v >> 12) & 255);
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emitCode((v >> 20) & 255);
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emitCode((v >> 28) & 255);
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}
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if (((v < 0) && ((v >> 36) != -1L)) || ((v > 0) && ((v >> 36) != 0L)) || (force && data_bits > 36)) {
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emitAlignedCode(0xfe);
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emitCode((v >> 36) & 255);
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emitCode((v >> 44) & 255);
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emitCode((v >> 52) & 255);
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emitCode((v >> 60) & 255);
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}
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}
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// ---------------------------------------------------------------------------
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// Emit constant extension for memory operands.
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// ---------------------------------------------------------------------------
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static void emitImm8(int64_t v, int force)
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{
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if (v < -128L || v > 127L || force) {
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emitAlignedCode(0xfd);
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emitCode((v >> 8) & 255);
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emitCode((v >> 16) & 255);
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emitCode((v >> 24) & 255);
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emitCode((v >> 32) & 255);
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}
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if (((v < 0) && ((v >> 40) != -1L)) || ((v > 0) && ((v >> 40) != 0L)) || (force && data_bits > 40)) {
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emitAlignedCode(0xfe);
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emitCode((v >> 40) & 255);
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emitCode((v >> 48) & 255);
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emitCode((v >> 56) & 255);
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emitCode(0x00);
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}
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}
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// ---------------------------------------------------------------------------
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// Emit constant extension for memory operands.
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// ---------------------------------------------------------------------------
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static void emitImm14(int64_t v, int force)
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{
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if (v < -8192L || v > 8191L || force) {
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emitAlignedCode(0xfd);
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emitCode((v >> 14) & 255);
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emitCode((v >> 22) & 255);
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emitCode((v >> 30) & 255);
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emitCode((v >> 38) & 255);
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}
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if (((v < 0) && ((v >> 46) != -1L)) || ((v > 0) && ((v >> 46) != 0L)) || (force && data_bits > 46)) {
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emitAlignedCode(0xfe);
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emitCode((v >> 46) & 255);
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emitCode((v >> 54) & 255);
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emitCode((v >> 62) & 255);
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emitCode(0x00);
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}
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}
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// ---------------------------------------------------------------------------
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// Emit constant extension for 16-bit operands.
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// ---------------------------------------------------------------------------
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static void emitImm16(int64_t v, int force)
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{
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if (v < -32768L || v > 32767L || force) {
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emitAlignedCode(0xfd);
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emitCode((v >> 16) & 255);
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emitCode((v >> 24) & 255);
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emitCode((v >> 32) & 255);
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emitCode((v >> 40) & 255);
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}
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if (((v < 0) && ((v >> 48) != -1L)) || ((v > 0) && ((v >> 48) != 0L)) || (force && (code_bits > 48 || data_bits > 48))) {
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emitAlignedCode(0xfe);
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emitCode((v >> 48) & 255);
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emitCode((v >> 56) & 255);
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emitCode(0x00);
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emitCode(0x00);
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}
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}
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// ---------------------------------------------------------------------------
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// Emit constant extension for 24-bit operands.
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// ---------------------------------------------------------------------------
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static void emitImm24(int64_t v, int force)
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{
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if (v < -8388608L || v > 8388607L || force) {
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emitAlignedCode(0xfd);
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emitCode((v >> 24) & 255);
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emitCode((v >> 32) & 255);
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emitCode((v >> 40) & 255);
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emitCode((v >> 48) & 255);
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}
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if (((v < 0) && ((v >> 56) != -1L)) || ((v > 0) && ((v >> 56) != 0L)) || (force && (code_bits > 56 || data_bits > 56))) {
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emitAlignedCode(0xfe);
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emitCode((v >> 56) & 255);
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emitCode(0x00);
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emitCode(0x00);
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emitCode(0x00);
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}
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}
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// ---------------------------------------------------------------------------
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// Emit constant extension for 32-bit operands.
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// ---------------------------------------------------------------------------
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static void emitImm32(int64_t v, int force)
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{
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if (v < -2147483648LL || v > 2147483647LL || force) {
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emitAlignedCode(0xfd);
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emitCode((v >> 32) & 255);
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emitCode((v >> 40) & 255);
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emitCode((v >> 48) & 255);
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emitCode((v >> 56) & 255);
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}
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}
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// ---------------------------------------------------------------------------
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// jmp main
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// jsr [r19]
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// jmp (tbl,r2)
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// ---------------------------------------------------------------------------
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static void process_jmp(int oc)
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{
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int64_t addr;
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int Ra;
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NextToken();
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// Memory indirect ?
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if (token=='(' || token=='[') {
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Ra = getRegister();
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if (Ra==-1) {
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Ra = 0;
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NextToken();
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addr = expr();
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prevToken();
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if (token==',') {
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Ra = getRegister();
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if (Ra==-1) Ra = 0;
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}
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if (token!=')' && token != ']')
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printf("Missing close bracket.\r\n");
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emitImm24(addr,lastsym!=(SYM*)NULL);
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emitAlignedCode(oc+2);
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if (bGen)
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if (lastsym) {
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if( lastsym->segment < 5)
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sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | 2 | (lastsym->isExtern ? 128 : 0) | (code_bits << 8));
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}
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emitCode(Ra);
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emitCode(addr & 255);
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emitCode((addr >> 8) & 255);
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emitCode((addr >> 16) & 255);
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return;
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}
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// Simple [Rn]
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else {
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if (token != ')' && token!=']')
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printf("Missing close bracket\r\n");
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emitAlignedCode(oc + 4);
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emitCode(Ra);
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emitCode(0x00);
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emitCode(0x00);
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emitCode(0x00);
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return;
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}
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}
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addr = expr();
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prevToken();
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// d(Rn)?
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if (token=='(' || token=='[') {
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Ra = getRegister();
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if (Ra==-1) {
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printf("Illegal jump address mode.\r\n");
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Ra = 0;
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}
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emitImm24(addr,0);
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emitAlignedCode(oc+4);
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emitCode(Ra);
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emitCode(addr & 255);
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emitCode((addr >> 8) & 255);
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emitCode((addr >> 16) & 255);
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return;
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}
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emitImm32(addr, code_bits > 32);
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emitAlignedCode(oc);
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if (bGen)
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if (lastsym) {
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if( lastsym->segment < 5)
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sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | 1 | (lastsym->isExtern ? 128 : 0) | (code_bits << 8));
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}
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emitCode(addr & 255);
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emitCode((addr >> 8) & 255);
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emitCode((addr >> 16) & 255);
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emitCode((addr >> 24) & 255);
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}
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// ---------------------------------------------------------------------------
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302 |
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// subui r1,r2,#1234
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// ---------------------------------------------------------------------------
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304 |
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305 |
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static void process_riop(int oc)
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{
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307 |
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int Ra;
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308 |
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int Rt;
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309 |
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char *p;
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310 |
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int64_t val;
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311 |
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p = inptr;
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Rt = getRegister();
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314 |
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need(',');
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Ra = getRegister();
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need(',');
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NextToken();
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val = expr();
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emitImm16(val,lastsym!=(SYM*)NULL);
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emitAlignedCode(oc);
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if (bGen)
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if (lastsym) {
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if( lastsym->segment < 5)
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sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | 3 | (lastsym->isExtern ? 128 : 0) |
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(lastsym->segment==codeseg ? code_bits << 8 : data_bits << 8));
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}
|
327 |
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emitCode(Ra);
|
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emitCode(Rt);
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emitCode(val & 255);
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330 |
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emitCode((val >> 8) & 255);
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331 |
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}
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332 |
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333 |
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// ---------------------------------------------------------------------------
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334 |
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// addu r1,r2,r12
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335 |
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// ---------------------------------------------------------------------------
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336 |
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337 |
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static void process_rrop(int oc)
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338 |
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{
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339 |
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int Ra;
|
340 |
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int Rb;
|
341 |
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int Rt;
|
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char *p;
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p = inptr;
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Rt = getRegister();
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346 |
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need(',');
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347 |
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Ra = getRegister();
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348 |
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need(',');
|
349 |
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NextToken();
|
350 |
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if (token=='#') {
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inptr = p;
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352 |
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switch(oc) {
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case 0x04: process_riop(0x04); return; // add
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354 |
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case 0x14: process_riop(0x14); return; // addu
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case 0x05: process_riop(0x05); return; // sub
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case 0x15: process_riop(0x15); return; // subu
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case 0x06: process_riop(0x06); return; // cmp
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358 |
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case 0x07: process_riop(0x07); return; // mul
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359 |
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case 0x08: process_riop(0x08); return; // div
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360 |
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case 0x09: process_riop(0x09); return; // mod
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361 |
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case 0x17: process_riop(0x17); return; // mulu
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362 |
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case 0x18: process_riop(0x18); return; // divu
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case 0x19: process_riop(0x19); return; // modu
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364 |
|
|
case 0x20: process_riop(0x0C); return; // and
|
365 |
|
|
case 0x21: process_riop(0x0D); return; // or
|
366 |
|
|
case 0x22: process_riop(0x0E); return; // eor
|
367 |
|
|
// Sxx
|
368 |
|
|
case 0x60: process_riop(0x30); return;
|
369 |
|
|
case 0x61: process_riop(0x31); return;
|
370 |
|
|
case 0x68: process_riop(0x38); return;
|
371 |
|
|
case 0x69: process_riop(0x39); return;
|
372 |
|
|
case 0x6A: process_riop(0x3A); return;
|
373 |
|
|
case 0x6B: process_riop(0x3B); return;
|
374 |
|
|
case 0x6C: process_riop(0x3C); return;
|
375 |
|
|
case 0x6D: process_riop(0x3D); return;
|
376 |
|
|
case 0x6E: process_riop(0x3E); return;
|
377 |
|
|
case 0x6F: process_riop(0x3F); return;
|
378 |
|
|
// Shift
|
379 |
|
|
case 0x40: process_shifti(0x50); return;
|
380 |
|
|
case 0x41: process_shifti(0x51); return;
|
381 |
|
|
case 0x42: process_shifti(0x52); return;
|
382 |
|
|
case 0x43: process_shifti(0x53); return;
|
383 |
|
|
case 0x44: process_shifti(0x54); return;
|
384 |
|
|
}
|
385 |
|
|
return;
|
386 |
|
|
}
|
387 |
|
|
prevToken();
|
388 |
|
|
Rb = getRegister();
|
389 |
|
|
prevToken();
|
390 |
|
|
emitAlignedCode(2);
|
391 |
|
|
emitCode(Ra);
|
392 |
|
|
emitCode(Rb);
|
393 |
|
|
emitCode(Rt);
|
394 |
|
|
emitCode(oc);
|
395 |
|
|
}
|
396 |
|
|
|
397 |
|
|
// ---------------------------------------------------------------------------
|
398 |
|
|
// not r3,r3
|
399 |
|
|
// ---------------------------------------------------------------------------
|
400 |
|
|
|
401 |
|
|
static void process_rop(int oc)
|
402 |
|
|
{
|
403 |
|
|
int Ra;
|
404 |
|
|
int Rt;
|
405 |
|
|
|
406 |
|
|
Rt = getRegister();
|
407 |
|
|
need(',');
|
408 |
|
|
Ra = getRegister();
|
409 |
|
|
prevToken();
|
410 |
|
|
emitAlignedCode(1);
|
411 |
|
|
emitCode(Ra);
|
412 |
|
|
emitCode(Rt);
|
413 |
|
|
emitCode(0x00);
|
414 |
|
|
emitCode(oc);
|
415 |
|
|
}
|
416 |
|
|
|
417 |
|
|
// ---------------------------------------------------------------------------
|
418 |
|
|
// brnz r1,label
|
419 |
|
|
// ---------------------------------------------------------------------------
|
420 |
|
|
|
421 |
|
|
static void process_bcc(int oc)
|
422 |
|
|
{
|
423 |
|
|
int Ra;
|
424 |
|
|
int64_t val;
|
425 |
|
|
int64_t disp;
|
426 |
|
|
int64_t ad;
|
427 |
|
|
|
428 |
|
|
Ra = getRegister();
|
429 |
|
|
need(',');
|
430 |
|
|
NextToken();
|
431 |
|
|
val = expr();
|
432 |
|
|
ad = code_address + 5;
|
433 |
|
|
if ((ad & 15)==15)
|
434 |
|
|
ad++;
|
435 |
|
|
disp = (val & 0xFFFFFFFFFFFF0000L) - (ad & 0xFFFFFFFFFFFF0000L);
|
436 |
|
|
emitAlignedCode(oc);
|
437 |
|
|
emitCode(Ra);
|
438 |
|
|
emitCode(val & 255);
|
439 |
|
|
emitCode((val >> 8) & 255);
|
440 |
|
|
emitCode((disp >> 16) & 31);
|
441 |
|
|
}
|
442 |
|
|
|
443 |
|
|
// ---------------------------------------------------------------------------
|
444 |
|
|
// bra label
|
445 |
|
|
// ---------------------------------------------------------------------------
|
446 |
|
|
|
447 |
|
|
static void process_bra(int oc)
|
448 |
|
|
{
|
449 |
|
|
int64_t val;
|
450 |
|
|
int64_t disp;
|
451 |
|
|
int64_t ad;
|
452 |
|
|
|
453 |
|
|
NextToken();
|
454 |
|
|
val = expr();
|
455 |
|
|
ad = code_address + 5;
|
456 |
|
|
if ((ad & 15)==15)
|
457 |
|
|
ad++;
|
458 |
|
|
disp = (val & 0xFFFFFFFFFFFF0000L) - (ad & 0xFFFFFFFFFFFF0000L);
|
459 |
|
|
emitAlignedCode(oc);
|
460 |
|
|
emitCode(0x00);
|
461 |
|
|
emitCode(val & 255);
|
462 |
|
|
emitCode((val >> 8) & 255);
|
463 |
|
|
emitCode((disp >> 16) & 31);
|
464 |
|
|
}
|
465 |
|
|
|
466 |
|
|
// ---------------------------------------------------------------------------
|
467 |
|
|
// expr
|
468 |
|
|
// expr[Reg]
|
469 |
|
|
// expr[Reg+Reg*sc]
|
470 |
|
|
// [Reg]
|
471 |
|
|
// [Reg+Reg*sc]
|
472 |
|
|
// ---------------------------------------------------------------------------
|
473 |
|
|
|
474 |
|
|
static void mem_operand(int64_t *disp, int *regA, int *regB, int *sc, int *sg)
|
475 |
|
|
{
|
476 |
|
|
int64_t val;
|
477 |
|
|
|
478 |
|
|
// chech params
|
479 |
|
|
if (disp == (int64_t *)NULL)
|
480 |
|
|
return;
|
481 |
|
|
if (regA == (int *)NULL)
|
482 |
|
|
return;
|
483 |
|
|
if (regB == (int *)NULL)
|
484 |
|
|
return;
|
485 |
|
|
if (sc==(int *)NULL)
|
486 |
|
|
return;
|
487 |
|
|
if (sg==(int *)NULL)
|
488 |
|
|
return;
|
489 |
|
|
|
490 |
|
|
*disp = 0;
|
491 |
|
|
*regA = -1;
|
492 |
|
|
*regB = -1;
|
493 |
|
|
*sc = 0;
|
494 |
|
|
*sg = 1;
|
495 |
|
|
if (token!='[') {;
|
496 |
|
|
val = expr();
|
497 |
|
|
*disp = val;
|
498 |
|
|
}
|
499 |
|
|
if (token=='[') {
|
500 |
|
|
*regA = getRegister();
|
501 |
|
|
if (*regA == -1) {
|
502 |
|
|
printf("expecting a register\r\n");
|
503 |
|
|
}
|
504 |
|
|
if (*regA==255 || *regA==253)
|
505 |
|
|
*sg = 2;
|
506 |
|
|
else if (*regA==254 || *regA==252)
|
507 |
|
|
*sg = 0;
|
508 |
|
|
// NextToken();
|
509 |
|
|
if (token=='+') {
|
510 |
|
|
*sc = 0;
|
511 |
|
|
*regB = getRegister();
|
512 |
|
|
if (*regB == -1) {
|
513 |
|
|
printf("expecting a register\r\n");
|
514 |
|
|
}
|
515 |
|
|
if (token=='*' && !fSeg)
|
516 |
|
|
printf("Index scaling not supported.\r\n");
|
517 |
|
|
if (token=='*') {
|
518 |
|
|
NextToken();
|
519 |
|
|
val = expr();
|
520 |
|
|
prevToken();
|
521 |
|
|
// if (token!=tk_icon) {
|
522 |
|
|
// printf("expecting a scaling factor.\r\n");
|
523 |
|
|
// printf("token %d %c\r\n", token, token);
|
524 |
|
|
// }
|
525 |
|
|
switch(val) {
|
526 |
|
|
case 0: *sc = 0; break;
|
527 |
|
|
case 1: *sc = 0; break;
|
528 |
|
|
case 2: *sc = 1; break;
|
529 |
|
|
case 4: *sc = 2; break;
|
530 |
|
|
case 8: *sc = 3; break;
|
531 |
|
|
default: printf("Illegal scaling factor.\r\n");
|
532 |
|
|
}
|
533 |
|
|
}
|
534 |
|
|
}
|
535 |
|
|
need(']');
|
536 |
|
|
}
|
537 |
|
|
}
|
538 |
|
|
|
539 |
|
|
// ---------------------------------------------------------------------------
|
540 |
|
|
// sw disp[r1],r2
|
541 |
|
|
// sw [r1+r2],r3
|
542 |
|
|
// ----------------------------------------------------------------------------
|
543 |
|
|
|
544 |
|
|
static void process_store(int oc)
|
545 |
|
|
{
|
546 |
|
|
int Ra;
|
547 |
|
|
int Rb;
|
548 |
|
|
int Rs;
|
549 |
|
|
int sc;
|
550 |
|
|
int sg;
|
551 |
|
|
int fixup;
|
552 |
|
|
int64_t disp;
|
553 |
|
|
|
554 |
|
|
Rs = getRegister();
|
555 |
|
|
expect(',');
|
556 |
|
|
mem_operand(&disp, &Ra, &Rb, &sc, &sg);
|
557 |
|
|
if (segprefix >= 0)
|
558 |
|
|
sg = segprefix;
|
559 |
|
|
if (Rs < 0) {
|
560 |
|
|
printf("Expecting a source register.\r\n");
|
561 |
|
|
ScanToEOL();
|
562 |
|
|
return;
|
563 |
|
|
}
|
564 |
|
|
if (Rb > 0) {
|
565 |
|
|
if (fSeg) {
|
566 |
|
|
fixup = 5;
|
567 |
|
|
emitImm4(disp,lastsym!=(SYM*)NULL);
|
568 |
|
|
}
|
569 |
|
|
else {
|
570 |
|
|
fixup = 7;
|
571 |
|
|
emitImm8(disp,lastsym!=(SYM*)NULL);
|
572 |
|
|
}
|
573 |
|
|
emitAlignedCode(oc + 8);
|
574 |
|
|
if (bGen)
|
575 |
|
|
if (lastsym) {
|
576 |
|
|
if( lastsym->segment < 5)
|
577 |
|
|
sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | fixup | (lastsym->isExtern ? 128 : 0)|
|
578 |
|
|
(lastsym->segment==codeseg ? code_bits << 8 : data_bits << 8));
|
579 |
|
|
}
|
580 |
|
|
emitCode(Ra);
|
581 |
|
|
emitCode(Rb);
|
582 |
|
|
emitCode(Rs);
|
583 |
|
|
if (fSeg)
|
584 |
|
|
emitCode((disp << 4) | sc | ((sg & 3) << 2));
|
585 |
|
|
else
|
586 |
|
|
emitCode(disp & 255);
|
587 |
|
|
return;
|
588 |
|
|
}
|
589 |
|
|
if (fSeg) {
|
590 |
|
|
fixup = 4;
|
591 |
|
|
if (disp < 0xFFFFFFFFFFFFE000LL || disp > 0x1FFFLL)
|
592 |
|
|
emitImm14(disp,lastsym!=(SYM*)NULL);
|
593 |
|
|
}
|
594 |
|
|
else {
|
595 |
|
|
fixup = 3;
|
596 |
|
|
if (disp < 0xFFFFFFFFFFFF8000LL || disp > 0x7FFFLL)
|
597 |
|
|
emitImm16(disp,lastsym!=(SYM*)NULL);
|
598 |
|
|
}
|
599 |
|
|
emitAlignedCode(oc);
|
600 |
|
|
if (bGen && lastsym)
|
601 |
|
|
if( lastsym->segment < 5)
|
602 |
|
|
sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | fixup | (lastsym->isExtern ? 128 : 0)|
|
603 |
|
|
(lastsym->segment==codeseg ? code_bits << 8 : data_bits << 8));
|
604 |
|
|
if (Ra < 0) Ra = 0;
|
605 |
|
|
emitCode(Ra);
|
606 |
|
|
emitCode(Rs);
|
607 |
|
|
if (fSeg) {
|
608 |
|
|
emitCode(((disp << 2) & 0xFC) | (sg & 3));
|
609 |
|
|
emitCode((disp >> 6) & 255);
|
610 |
|
|
}
|
611 |
|
|
else {
|
612 |
|
|
emitCode(disp & 0xFF);
|
613 |
|
|
emitCode((disp >> 8) & 255);
|
614 |
|
|
}
|
615 |
|
|
ScanToEOL();
|
616 |
|
|
}
|
617 |
|
|
|
618 |
|
|
// ----------------------------------------------------------------------------
|
619 |
|
|
// ----------------------------------------------------------------------------
|
620 |
|
|
|
621 |
|
|
static void process_ldi(int oc)
|
622 |
|
|
{
|
623 |
|
|
int Rt;
|
624 |
|
|
int64_t val;
|
625 |
|
|
|
626 |
|
|
Rt = getRegister();
|
627 |
|
|
expect(',');
|
628 |
|
|
val = expr();
|
629 |
|
|
emitImm24(val,lastsym!=(SYM*)NULL);
|
630 |
|
|
emitAlignedCode(oc);
|
631 |
|
|
if (bGen && lastsym)
|
632 |
|
|
if( lastsym->segment < 5)
|
633 |
|
|
sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | 2 | (lastsym->isExtern ? 128 : 0)|
|
634 |
|
|
(lastsym->segment==codeseg ? code_bits << 8 : data_bits << 8));
|
635 |
|
|
emitCode(Rt);
|
636 |
|
|
emitCode(val & 255);
|
637 |
|
|
emitCode((val >> 8) & 255);
|
638 |
|
|
emitCode((val >> 16) & 255);
|
639 |
|
|
}
|
640 |
|
|
|
641 |
|
|
// ----------------------------------------------------------------------------
|
642 |
|
|
// lw r1,disp[r2]
|
643 |
|
|
// lw r1,[r2+r3]
|
644 |
|
|
// ----------------------------------------------------------------------------
|
645 |
|
|
|
646 |
|
|
static void process_load(int oc)
|
647 |
|
|
{
|
648 |
|
|
int Ra;
|
649 |
|
|
int Rb;
|
650 |
|
|
int Rt;
|
651 |
|
|
int sc;
|
652 |
|
|
int sg;
|
653 |
|
|
char *p;
|
654 |
|
|
int64_t disp;
|
655 |
|
|
int fixup = 5;
|
656 |
|
|
|
657 |
|
|
p = inptr;
|
658 |
|
|
Rt = getRegister();
|
659 |
|
|
if (Rt < 0) {
|
660 |
|
|
printf("Expecting a target register.\r\n");
|
661 |
|
|
// printf("Line:%.60s\r\n",p);
|
662 |
|
|
ScanToEOL();
|
663 |
|
|
inptr-=2;
|
664 |
|
|
return;
|
665 |
|
|
}
|
666 |
|
|
expect(',');
|
667 |
|
|
mem_operand(&disp, &Ra, &Rb, &sc, &sg);
|
668 |
|
|
if (segprefix >= 0)
|
669 |
|
|
sg = segprefix;
|
670 |
|
|
if (Rb >= 0) {
|
671 |
|
|
if (fSeg) {
|
672 |
|
|
emitImm4(disp,lastsym!=(SYM*)NULL);
|
673 |
|
|
fixup = 5;
|
674 |
|
|
}
|
675 |
|
|
else {
|
676 |
|
|
emitImm8(disp,lastsym!=(SYM*)NULL);
|
677 |
|
|
fixup = 7;
|
678 |
|
|
}
|
679 |
|
|
if (oc==0x87) {
|
680 |
|
|
printf("Address mode not supported.\r\n");
|
681 |
|
|
return;
|
682 |
|
|
}
|
683 |
|
|
if (oc==0x92) oc = 0x8F; // LEA
|
684 |
|
|
else oc = oc + 8;
|
685 |
|
|
emitAlignedCode(oc);
|
686 |
|
|
if (bGen && lastsym)
|
687 |
|
|
if( lastsym->segment < 5)
|
688 |
|
|
sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | fixup | (lastsym->isExtern ? 128 : 0)|
|
689 |
|
|
(lastsym->segment==codeseg ? code_bits << 8 : data_bits << 8));
|
690 |
|
|
emitCode(Ra);
|
691 |
|
|
emitCode(Rb);
|
692 |
|
|
emitCode(Rt);
|
693 |
|
|
if (fSeg)
|
694 |
|
|
emitCode((disp << 4) | sc | ((sg & 3) << 2));
|
695 |
|
|
else
|
696 |
|
|
emitCode(disp & 255);
|
697 |
|
|
return;
|
698 |
|
|
}
|
699 |
|
|
if (fSeg) {
|
700 |
|
|
fixup = 4; // 14 bit
|
701 |
|
|
if (disp < 0xFFFFFFFFFFFFE000LL || disp > 0x1FFFLL)
|
702 |
|
|
emitImm14(disp,lastsym!=(SYM*)NULL);
|
703 |
|
|
}
|
704 |
|
|
else {
|
705 |
|
|
fixup = 3; // 16 bit
|
706 |
|
|
if (disp < 0xFFFFFFFFFFFF8000LL || disp > 0x7FFFLL)
|
707 |
|
|
emitImm16(disp,lastsym!=(SYM*)NULL);
|
708 |
|
|
}
|
709 |
|
|
emitAlignedCode(oc);
|
710 |
|
|
if (bGen && lastsym)
|
711 |
|
|
if( lastsym->segment < 5)
|
712 |
|
|
sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | fixup | (lastsym->isExtern ? 128 : 0)|
|
713 |
|
|
(lastsym->segment==codeseg ? code_bits << 8 : data_bits << 8));
|
714 |
|
|
if (Ra < 0) Ra = 0;
|
715 |
|
|
emitCode(Ra);
|
716 |
|
|
emitCode(Rt);
|
717 |
|
|
if (fSeg) {
|
718 |
|
|
emitCode(((disp << 2) & 0xFC) | (sg & 3));
|
719 |
|
|
emitCode((disp >> 6) & 255);
|
720 |
|
|
}
|
721 |
|
|
else {
|
722 |
|
|
emitCode(disp & 0xFF);
|
723 |
|
|
emitCode((disp >> 8) & 255);
|
724 |
|
|
}
|
725 |
|
|
ScanToEOL();
|
726 |
|
|
}
|
727 |
|
|
|
728 |
|
|
// ----------------------------------------------------------------------------
|
729 |
|
|
// lmr r1,r12,[r252]
|
730 |
|
|
// ----------------------------------------------------------------------------
|
731 |
|
|
|
732 |
|
|
static void process_lmr(int oc)
|
733 |
|
|
{
|
734 |
|
|
int Ra;
|
735 |
|
|
int Rb;
|
736 |
|
|
int Rc;
|
737 |
|
|
|
738 |
|
|
Ra = getRegister();
|
739 |
|
|
need(',');
|
740 |
|
|
Rb = getRegister();
|
741 |
|
|
need(',');
|
742 |
|
|
NextToken();
|
743 |
|
|
if (token=='[') {
|
744 |
|
|
Rc = getRegister();
|
745 |
|
|
need(']');
|
746 |
|
|
}
|
747 |
|
|
else
|
748 |
|
|
Rc = getRegister();
|
749 |
|
|
emitAlignedCode(0x02);
|
750 |
|
|
emitCode(Ra);
|
751 |
|
|
emitCode(Rb);
|
752 |
|
|
emitCode(Rc);
|
753 |
|
|
emitCode(oc);
|
754 |
|
|
}
|
755 |
|
|
|
756 |
|
|
// ----------------------------------------------------------------------------
|
757 |
|
|
// push r1/r2/r3/r4
|
758 |
|
|
// push #123
|
759 |
|
|
// ----------------------------------------------------------------------------
|
760 |
|
|
|
761 |
|
|
static void process_pushpop(int oc)
|
762 |
|
|
{
|
763 |
|
|
int Ra,Rb,Rc,Rd;
|
764 |
|
|
int64_t val;
|
765 |
|
|
|
766 |
|
|
Ra = -1;
|
767 |
|
|
Rb = -1;
|
768 |
|
|
Rc = -1;
|
769 |
|
|
Rd = -1;
|
770 |
|
|
NextToken();
|
771 |
|
|
if (token=='#' && oc==0xA6) { // Filter to PUSH
|
772 |
|
|
val = expr();
|
773 |
|
|
emitImm32(val,(code_bits > 32 || data_bits > 32) && lastsym!=(SYM *)NULL);
|
774 |
|
|
emitAlignedCode(0xAD);
|
775 |
|
|
if (bGen && lastsym)
|
776 |
|
|
if( lastsym->segment < 5)
|
777 |
|
|
sections[segment+7].AddRel(sections[segment].index,((lastsym->ord+1) << 32) | 1 | (lastsym->isExtern ? 128 : 0)|
|
778 |
|
|
(lastsym->segment==codeseg ? code_bits << 8 : data_bits << 8));
|
779 |
|
|
emitCode(val & 255);
|
780 |
|
|
emitCode((val >> 8) & 255);
|
781 |
|
|
emitCode((val >> 16) & 255);
|
782 |
|
|
emitCode((val >> 24) & 255);
|
783 |
|
|
}
|
784 |
|
|
else {
|
785 |
|
|
prevToken();
|
786 |
|
|
Ra = getRegister();
|
787 |
|
|
if (token=='/' || token==',') {
|
788 |
|
|
Rb = getRegister();
|
789 |
|
|
if (token=='/' || token==',') {
|
790 |
|
|
Rc = getRegister();
|
791 |
|
|
if (token=='/' || token==',') {
|
792 |
|
|
Rd = getRegister();
|
793 |
|
|
}
|
794 |
|
|
}
|
795 |
|
|
}
|
796 |
|
|
prevToken();
|
797 |
|
|
emitAlignedCode(oc);
|
798 |
|
|
emitCode(Ra>=0 ? Ra : 0);
|
799 |
|
|
emitCode(Rb>=0 ? Rb : 0);
|
800 |
|
|
emitCode(Rc>=0 ? Rc : 0);
|
801 |
|
|
emitCode(Rd>=0 ? Rd : 0);
|
802 |
|
|
}
|
803 |
|
|
}
|
804 |
|
|
|
805 |
|
|
// ----------------------------------------------------------------------------
|
806 |
|
|
// mov r1,r2
|
807 |
|
|
// ----------------------------------------------------------------------------
|
808 |
|
|
|
809 |
|
|
static void process_mov(int oc)
|
810 |
|
|
{
|
811 |
|
|
int Ra;
|
812 |
|
|
int Rt;
|
813 |
|
|
|
814 |
|
|
Rt = getRegister();
|
815 |
|
|
need(',');
|
816 |
|
|
Ra = getRegister();
|
817 |
|
|
emitAlignedCode(0x01);
|
818 |
|
|
emitCode(Ra);
|
819 |
|
|
emitCode(Rt);
|
820 |
|
|
emitCode(0x00);
|
821 |
|
|
emitCode(oc);
|
822 |
|
|
prevToken();
|
823 |
|
|
}
|
824 |
|
|
|
825 |
|
|
// ----------------------------------------------------------------------------
|
826 |
|
|
// rts
|
827 |
|
|
// rts #24
|
828 |
|
|
// ----------------------------------------------------------------------------
|
829 |
|
|
|
830 |
|
|
static void process_rts(int oc)
|
831 |
|
|
{
|
832 |
|
|
int64_t val;
|
833 |
|
|
|
834 |
|
|
val = 0;
|
835 |
|
|
NextToken();
|
836 |
|
|
if (token=='#') {
|
837 |
|
|
val = expr();
|
838 |
|
|
}
|
839 |
|
|
emitAlignedCode(oc);
|
840 |
|
|
emitCode(0x00);
|
841 |
|
|
emitCode(val & 255);
|
842 |
|
|
emitCode((val >> 8) & 255);
|
843 |
|
|
emitCode(0x00);
|
844 |
|
|
}
|
845 |
|
|
|
846 |
|
|
// ----------------------------------------------------------------------------
|
847 |
|
|
// shli r1,r2,#5
|
848 |
|
|
// ----------------------------------------------------------------------------
|
849 |
|
|
|
850 |
|
|
static void process_shifti(int oc)
|
851 |
|
|
{
|
852 |
|
|
int Ra;
|
853 |
|
|
int Rt;
|
854 |
|
|
int64_t val;
|
855 |
|
|
|
856 |
|
|
Rt = getRegister();
|
857 |
|
|
need(',');
|
858 |
|
|
Ra = getRegister();
|
859 |
|
|
need(',');
|
860 |
|
|
NextToken();
|
861 |
|
|
val = expr();
|
862 |
|
|
emitAlignedCode(0x02);
|
863 |
|
|
emitCode(Ra);
|
864 |
|
|
emitCode(val & 63);
|
865 |
|
|
emitCode(Rt);
|
866 |
|
|
emitCode(oc);
|
867 |
|
|
}
|
868 |
|
|
|
869 |
|
|
// ----------------------------------------------------------------------------
|
870 |
|
|
// gran r1
|
871 |
|
|
// ----------------------------------------------------------------------------
|
872 |
|
|
|
873 |
|
|
static void process_gran(int oc)
|
874 |
|
|
{
|
875 |
|
|
int Rt;
|
876 |
|
|
|
877 |
|
|
Rt = getRegister();
|
878 |
|
|
emitAlignedCode(0x01);
|
879 |
|
|
emitCode(0x00);
|
880 |
|
|
emitCode(Rt);
|
881 |
|
|
emitCode(0x00);
|
882 |
|
|
emitCode(oc);
|
883 |
|
|
prevToken();
|
884 |
|
|
}
|
885 |
|
|
|
886 |
|
|
// ----------------------------------------------------------------------------
|
887 |
|
|
// ----------------------------------------------------------------------------
|
888 |
|
|
|
889 |
|
|
static void process_mtspr(int oc)
|
890 |
|
|
{
|
891 |
|
|
int spr;
|
892 |
|
|
int Ra;
|
893 |
|
|
|
894 |
|
|
spr = getSprRegister();
|
895 |
|
|
need(',');
|
896 |
|
|
Ra = getRegister();
|
897 |
|
|
emitAlignedCode(0x01);
|
898 |
|
|
emitCode(Ra);
|
899 |
|
|
emitCode(spr);
|
900 |
|
|
emitCode(0x00);
|
901 |
|
|
emitCode(oc);
|
902 |
|
|
if (Ra >= 0)
|
903 |
|
|
prevToken();
|
904 |
|
|
}
|
905 |
|
|
|
906 |
|
|
// ----------------------------------------------------------------------------
|
907 |
|
|
// ----------------------------------------------------------------------------
|
908 |
|
|
|
909 |
|
|
static void process_mfspr(int oc)
|
910 |
|
|
{
|
911 |
|
|
int spr;
|
912 |
|
|
int Rt;
|
913 |
|
|
|
914 |
|
|
Rt = getRegister();
|
915 |
|
|
need(',');
|
916 |
|
|
spr = getSprRegister();
|
917 |
|
|
emitAlignedCode(0x01);
|
918 |
|
|
emitCode(spr);
|
919 |
|
|
emitCode(Rt);
|
920 |
|
|
emitCode(0x00);
|
921 |
|
|
emitCode(oc);
|
922 |
|
|
if (spr >= 0)
|
923 |
|
|
prevToken();
|
924 |
|
|
}
|
925 |
|
|
|
926 |
|
|
// ----------------------------------------------------------------------------
|
927 |
|
|
// ----------------------------------------------------------------------------
|
928 |
|
|
|
929 |
|
|
void Table888_processMaster()
|
930 |
|
|
{
|
931 |
|
|
int nn,mm;
|
932 |
|
|
int64_t ca;
|
933 |
|
|
int first;
|
934 |
|
|
int64_t bs1, bs2;
|
935 |
|
|
|
936 |
|
|
lineno = 1;
|
937 |
|
|
binndx = 0;
|
938 |
|
|
binstart = 0;
|
939 |
|
|
bs1 = 0;
|
940 |
|
|
bs2 = 0;
|
941 |
|
|
inptr = &masterFile[0];
|
942 |
|
|
stptr = inptr;
|
943 |
|
|
code_address = 0x200;
|
944 |
|
|
bss_address = 0;
|
945 |
|
|
start_address = 0x200;
|
946 |
|
|
first_org = 1;
|
947 |
|
|
first_rodata = 1;
|
948 |
|
|
first_data = 1;
|
949 |
|
|
for (nn = 0; nn < 12; nn++) {
|
950 |
|
|
sections[nn].index = 0;
|
951 |
|
|
sections[nn].address = 0;
|
952 |
|
|
sections[nn].start = 0;
|
953 |
|
|
sections[nn].end = 0;
|
954 |
|
|
}
|
955 |
|
|
ca = code_address;
|
956 |
|
|
segment = codeseg;
|
957 |
|
|
memset(current_label,0,sizeof(current_label));
|
958 |
|
|
NextToken();
|
959 |
|
|
while (token != tk_eof) {
|
960 |
|
|
switch(token) {
|
961 |
|
|
case tk_eol:
|
962 |
|
|
//printf("Line: %d\r\n", lineno);
|
963 |
|
|
segprefix = -1;
|
964 |
|
|
if (bGen && (segment==codeseg || segment==dataseg || segment==rodataseg)) {
|
965 |
|
|
if ((ca & 15)==15 && segment==codeseg) {
|
966 |
|
|
ca++;
|
967 |
|
|
binstart++;
|
968 |
|
|
}
|
969 |
|
|
nn = binstart;
|
970 |
|
|
if (segment==codeseg) {
|
971 |
|
|
if (sections[segment].bytes[binstart]==0xfd) {
|
972 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
973 |
|
|
for (nn = binstart; nn < binstart + 5 && nn < sections[segment].index; nn++) {
|
974 |
|
|
fprintf(ofp, "%02X ", sections[segment].bytes[nn]);
|
975 |
|
|
}
|
976 |
|
|
fprintf(ofp, " ; imm\n");
|
977 |
|
|
if (((ca+5) & 15)==15) {
|
978 |
|
|
ca+=6;
|
979 |
|
|
binstart+=6;
|
980 |
|
|
nn++;
|
981 |
|
|
}
|
982 |
|
|
else {
|
983 |
|
|
ca += 5;
|
984 |
|
|
binstart += 5;
|
985 |
|
|
}
|
986 |
|
|
}
|
987 |
|
|
if (sections[segment].bytes[binstart]==0xfe) {
|
988 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
989 |
|
|
for (nn = binstart; nn < binstart + 5 && nn < sections[segment].index; nn++) {
|
990 |
|
|
fprintf(ofp, "%02X ", sections[segment].bytes[nn]);
|
991 |
|
|
}
|
992 |
|
|
fprintf(ofp, " ; imm\n");
|
993 |
|
|
if (((ca+5) & 15)==15) {
|
994 |
|
|
ca+=6;
|
995 |
|
|
nn++;
|
996 |
|
|
}
|
997 |
|
|
else {
|
998 |
|
|
ca += 5;
|
999 |
|
|
}
|
1000 |
|
|
}
|
1001 |
|
|
}
|
1002 |
|
|
first = 1;
|
1003 |
|
|
while (nn < sections[segment].index) {
|
1004 |
|
|
fprintf(ofp, "%06LLX ", ca);
|
1005 |
|
|
for (mm = nn; nn < mm + 8 && nn < sections[segment].index; nn++) {
|
1006 |
|
|
fprintf(ofp, "%02X ", sections[segment].bytes[nn]);
|
1007 |
|
|
}
|
1008 |
|
|
for (; nn < mm + 8; nn++)
|
1009 |
|
|
fprintf(ofp, " ");
|
1010 |
|
|
if (first) {
|
1011 |
|
|
fprintf(ofp, "\t%.*s\n", inptr-stptr-1, stptr);
|
1012 |
|
|
first = 0;
|
1013 |
|
|
}
|
1014 |
|
|
else
|
1015 |
|
|
fprintf(ofp, "\n");
|
1016 |
|
|
ca += 8;
|
1017 |
|
|
}
|
1018 |
|
|
// empty (codeless) line
|
1019 |
|
|
if (binstart==sections[segment].index) {
|
1020 |
|
|
fprintf(ofp, "%24s\t%.*s", "", inptr-stptr, stptr);
|
1021 |
|
|
}
|
1022 |
|
|
} // bGen
|
1023 |
|
|
stptr = inptr;
|
1024 |
|
|
binstart = sections[segment].index;
|
1025 |
|
|
ca = sections[segment].address;
|
1026 |
|
|
lineno++;
|
1027 |
|
|
break;
|
1028 |
|
|
case tk_add: process_rrop(0x04); break;
|
1029 |
|
|
case tk_addi: process_riop(0x04); break;
|
1030 |
|
|
case tk_addu: process_rrop(0x14); break;
|
1031 |
|
|
case tk_addui: process_riop(0x14); break;
|
1032 |
|
|
case tk_align: process_align(); continue; break;
|
1033 |
|
|
case tk_and: process_rrop(0x20); break;
|
1034 |
|
|
case tk_andi: process_riop(0x0C); break;
|
1035 |
|
|
case tk_asr: process_rrop(0x44); break;
|
1036 |
|
|
case tk_asri: process_shifti(0x54); break;
|
1037 |
|
|
case tk_beq: process_bcc(0x40); break;
|
1038 |
|
|
case tk_bge: process_bcc(0x4A); break;
|
1039 |
|
|
case tk_bgeu: process_bcc(0x4E); break;
|
1040 |
|
|
case tk_bgt: process_bcc(0x48); break;
|
1041 |
|
|
case tk_bgtu: process_bcc(0x4C); break;
|
1042 |
|
|
case tk_ble: process_bcc(0x49); break;
|
1043 |
|
|
case tk_bleu: process_bcc(0x4D); break;
|
1044 |
|
|
case tk_blt: process_bcc(0x4B); break;
|
1045 |
|
|
case tk_bltu: process_bcc(0x4F); break;
|
1046 |
|
|
case tk_bmi: process_bcc(0x44); break;
|
1047 |
|
|
case tk_bne: process_bcc(0x41); break;
|
1048 |
|
|
case tk_bpl: process_bcc(0x45); break;
|
1049 |
|
|
case tk_bra: process_bra(0x46); break;
|
1050 |
|
|
case tk_brnz: process_bcc(0x59); break;
|
1051 |
|
|
case tk_brz: process_bcc(0x58); break;
|
1052 |
|
|
case tk_bvc: process_bcc(0x43); break;
|
1053 |
|
|
case tk_bvs: process_bcc(0x42); break;
|
1054 |
|
|
case tk_bsr: process_bra(0x56); break;
|
1055 |
|
|
case tk_bss: segment = bssseg; break;
|
1056 |
|
|
case tk_cli: emit_insn(0x3100000001); break;
|
1057 |
|
|
case tk_cmp: process_rrop(0x06); break;
|
1058 |
|
|
case tk_code: process_code(); break;
|
1059 |
|
|
case tk_com: process_rop(0x06); break;
|
1060 |
|
|
case tk_cs: segprefix = 0; break;
|
1061 |
|
|
case tk_data:
|
1062 |
|
|
if (first_data) {
|
1063 |
|
|
while(sections[segment].address & 4095)
|
1064 |
|
|
emitByte(0x00);
|
1065 |
|
|
sections[2].address = sections[segment].address; // set starting address
|
1066 |
|
|
first_data = 0;
|
1067 |
|
|
binstart = sections[2].index;
|
1068 |
|
|
ca = sections[2].address;
|
1069 |
|
|
}
|
1070 |
|
|
process_data(dataseg);
|
1071 |
|
|
break;
|
1072 |
|
|
case tk_db: process_db(); break;
|
1073 |
|
|
case tk_dbnz: process_bcc(0x5A); break;
|
1074 |
|
|
case tk_dc: process_dc(); break;
|
1075 |
|
|
case tk_dh: process_dh(); break;
|
1076 |
|
|
case tk_div: process_rrop(0x08); break;
|
1077 |
|
|
case tk_divu: process_rrop(0x18); break;
|
1078 |
|
|
case tk_ds: segprefix = 1; break;
|
1079 |
|
|
case tk_dw: process_dw(); break;
|
1080 |
|
|
case tk_end: goto j1;
|
1081 |
|
|
case tk_endpublic: break;
|
1082 |
|
|
case tk_eor: process_rrop(0x22); break;
|
1083 |
|
|
case tk_eori: process_riop(0x0E); break;
|
1084 |
|
|
case tk_extern: process_extern(); break;
|
1085 |
|
|
case tk_fill: process_fill(); break;
|
1086 |
|
|
case tk_gran: process_gran(0x14); break;
|
1087 |
|
|
case tk_jmp: process_jmp(0x50); break;
|
1088 |
|
|
case tk_jsr: process_jmp(0x51); break;
|
1089 |
|
|
case tk_lb: process_load(0x80); break;
|
1090 |
|
|
case tk_lbu: process_load(0x81); break;
|
1091 |
|
|
case tk_lc: process_load(0x82); break;
|
1092 |
|
|
case tk_lcu: process_load(0x83); break;
|
1093 |
|
|
case tk_ldi: process_ldi(0x16); break;
|
1094 |
|
|
case tk_lea: process_load(0x92); break;
|
1095 |
|
|
case tk_lh: process_load(0x84); break;
|
1096 |
|
|
case tk_lhu: process_load(0x85); break;
|
1097 |
|
|
case tk_lmr: process_lmr(0x31); break;
|
1098 |
|
|
case tk_lw: process_load(0x86); break;
|
1099 |
|
|
case tk_mfspr: process_mfspr(0x49); break;
|
1100 |
|
|
case tk_mod: process_rrop(0x09); break;
|
1101 |
|
|
case tk_modu: process_rrop(0x19); break;
|
1102 |
|
|
case tk_mov: process_mov(0x04); break;
|
1103 |
|
|
case tk_mtspr: process_mtspr(0x48); break;
|
1104 |
|
|
case tk_mul: process_rrop(0x07); break;
|
1105 |
|
|
case tk_muli: process_riop(0x07); break;
|
1106 |
|
|
case tk_mulu: process_rrop(0x17); break;
|
1107 |
|
|
case tk_mului: process_riop(0x17); break;
|
1108 |
|
|
case tk_neg: process_rop(0x05); break;
|
1109 |
|
|
case tk_nop: emit_insn(0xEAEAEAEAEA); break;
|
1110 |
|
|
case tk_not: process_rop(0x07); break;
|
1111 |
|
|
case tk_or: process_rrop(0x21); break;
|
1112 |
|
|
case tk_ori: process_riop(0x0D); break;
|
1113 |
|
|
case tk_org: process_org(); break;
|
1114 |
|
|
case tk_php: emit_insn(0x3200000001); break;
|
1115 |
|
|
case tk_plp: emit_insn(0x3300000001); break;
|
1116 |
|
|
case tk_pop: process_pushpop(0xA7); break;
|
1117 |
|
|
case tk_public: process_public(); break;
|
1118 |
|
|
case tk_push: process_pushpop(0xA6); break;
|
1119 |
|
|
case tk_rodata:
|
1120 |
|
|
if (first_rodata) {
|
1121 |
|
|
while(sections[segment].address & 4095)
|
1122 |
|
|
emitByte(0x00);
|
1123 |
|
|
sections[1].address = sections[segment].address;
|
1124 |
|
|
first_rodata = 0;
|
1125 |
|
|
binstart = sections[1].index;
|
1126 |
|
|
ca = sections[1].address;
|
1127 |
|
|
}
|
1128 |
|
|
segment = rodataseg;
|
1129 |
|
|
break;
|
1130 |
|
|
case tk_rol: process_rrop(0x41); break;
|
1131 |
|
|
case tk_ror: process_rrop(0x43); break;
|
1132 |
|
|
case tk_rti: emit_insn(0x4000000001); break;
|
1133 |
|
|
case tk_rts: process_rts(0x60); break;
|
1134 |
|
|
case tk_sb: process_store(0xa0); break;
|
1135 |
|
|
case tk_sc: process_store(0xa1); break;
|
1136 |
|
|
case tk_sei: emit_insn(0x3000000001); break;
|
1137 |
|
|
case tk_seq: process_rrop(0x60); break;
|
1138 |
|
|
case tk_seqi: process_riop(0x30); break;
|
1139 |
|
|
case tk_sge: process_rrop(0x6A); break;
|
1140 |
|
|
case tk_sgt: process_rrop(0x68); break;
|
1141 |
|
|
case tk_sle: process_rrop(0x69); break;
|
1142 |
|
|
case tk_slt: process_rrop(0x6B); break;
|
1143 |
|
|
case tk_sgeu: process_rrop(0x6E); break;
|
1144 |
|
|
case tk_sgtu: process_rrop(0x6C); break;
|
1145 |
|
|
case tk_sleu: process_rrop(0x6D); break;
|
1146 |
|
|
case tk_sltu: process_rrop(0x6F); break;
|
1147 |
|
|
case tk_sgei: process_rrop(0x3A); break;
|
1148 |
|
|
case tk_sgti: process_rrop(0x38); break;
|
1149 |
|
|
case tk_slei: process_rrop(0x39); break;
|
1150 |
|
|
case tk_slti: process_rrop(0x3B); break;
|
1151 |
|
|
case tk_sgeui: process_rrop(0x3E); break;
|
1152 |
|
|
case tk_sgtui: process_rrop(0x3C); break;
|
1153 |
|
|
case tk_sleui: process_rrop(0x3D); break;
|
1154 |
|
|
case tk_sltui: process_rrop(0x3F); break;
|
1155 |
|
|
case tk_sne: process_rrop(0x61); break;
|
1156 |
|
|
case tk_snei: process_riop(0x31); break;
|
1157 |
|
|
case tk_sh: process_store(0xa2); break;
|
1158 |
|
|
case tk_shl: process_rrop(0x40); break;
|
1159 |
|
|
case tk_shli: process_shifti(0x50); break;
|
1160 |
|
|
case tk_shru: process_rrop(0x42); break;
|
1161 |
|
|
case tk_shrui: process_shifti(0x52); break;
|
1162 |
|
|
case tk_smr: process_lmr(0x30); break;
|
1163 |
|
|
case tk_ss: segprefix = 2; break;
|
1164 |
|
|
case tk_sub: process_rrop(0x05); break;
|
1165 |
|
|
case tk_subi: process_riop(0x05); break;
|
1166 |
|
|
case tk_subu: process_rrop(0x15); break;
|
1167 |
|
|
case tk_subui: process_riop(0x15); break;
|
1168 |
|
|
case tk_sxb: process_rop(0x08); break;
|
1169 |
|
|
case tk_sxc: process_rop(0x09); break;
|
1170 |
|
|
case tk_sxh: process_rop(0x0A); break;
|
1171 |
|
|
case tk_sw: process_store(0xa3); break;
|
1172 |
|
|
case tk_swap: process_rop(0x03); break;
|
1173 |
|
|
case tk_xor: process_rrop(0x22); break;
|
1174 |
|
|
case tk_xori: process_riop(0x0E); break;
|
1175 |
|
|
case tk_id: process_label(); break;
|
1176 |
|
|
}
|
1177 |
|
|
NextToken();
|
1178 |
|
|
}
|
1179 |
|
|
j1:
|
1180 |
|
|
;
|
1181 |
|
|
}
|
1182 |
|
|
|