+++ /dev/null
-/*
- * Copyright © 2010 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-package altosui;
-
-import java.lang.*;
-import java.io.*;
-import java.util.concurrent.*;
-import java.util.*;
-
-import libaltosJNI.*;
-
-public class AltosDebug extends AltosSerial {
-
- public static final byte WR_CONFIG = 0x1d;
- public static final byte RD_CONFIG = 0x24;
- public static final byte CONFIG_TIMERS_OFF = (1 << 3);
- public static final byte CONFIG_DMA_PAUSE = (1 << 2);
- public static final byte CONFIG_TIMER_SUSPEND = (1 << 1);
- public static final byte SET_FLASH_INFO_PAGE = (1 << 0);
-
- public static final byte GET_PC = 0x28;
- public static final byte READ_STATUS = 0x34;
- public static final byte STATUS_CHIP_ERASE_DONE = (byte) (1 << 7);
- public static final byte STATUS_PCON_IDLE = (1 << 6);
- public static final byte STATUS_CPU_HALTED = (1 << 5);
- public static final byte STATUS_POWER_MODE_0 = (1 << 4);
- public static final byte STATUS_HALT_STATUS = (1 << 3);
- public static final byte STATUS_DEBUG_LOCKED = (1 << 2);
- public static final byte STATUS_OSCILLATOR_STABLE = (1 << 1);
- public static final byte STATUS_STACK_OVERFLOW = (1 << 0);
-
- public static final byte SET_HW_BRKPNT = 0x3b;
- public static byte HW_BRKPNT_N(byte n) { return (byte) ((n) << 3); }
- public static final byte HW_BRKPNT_N_MASK = (0x3 << 3);
- public static final byte HW_BRKPNT_ENABLE = (1 << 2);
-
- public static final byte HALT = 0x44;
- public static final byte RESUME = 0x4c;
- public static byte DEBUG_INSTR(byte n) { return (byte) (0x54|(n)); }
- public static final byte STEP_INSTR = 0x5c;
- public static byte STEP_REPLACE(byte n) { return (byte) (0x64|(n)); }
- public static final byte GET_CHIP_ID = 0x68;
-
-
- boolean debug_mode;
-
- void ensure_debug_mode() {
- if (!debug_mode) {
- printf("D\n");
- flush_input();
- debug_mode = true;
- }
- }
-
- void dump_memory(String header, int address, byte[] bytes, int start, int len) {
- System.out.printf("%s\n", header);
- for (int j = 0; j < len; j++) {
- if ((j & 15) == 0) {
- if (j != 0)
- System.out.printf("\n");
- System.out.printf ("%04x:", address + j);
- }
- System.out.printf(" %02x", bytes[start + j]);
- }
- System.out.printf("\n");
- }
-
- /*
- * Write target memory
- */
- public void write_memory(int address, byte[] bytes, int start, int len) {
- ensure_debug_mode();
-// dump_memory("write_memory", address, bytes, start, len);
- printf("O %x %x\n", len, address);
- for (int i = 0; i < len; i++)
- printf("%02x", bytes[start + i]);
- }
-
- public void write_memory(int address, byte[] bytes) {
- write_memory(address, bytes, 0, bytes.length);
- }
-
- /*
- * Read target memory
- */
- public byte[] read_memory(int address, int length)
- throws IOException, InterruptedException {
- byte[] data = new byte[length];
-
- flush_input();
- ensure_debug_mode();
- printf("I %x %x\n", length, address);
- int i = 0;
- int start = 0;
- while (i < length) {
- String line = get_reply().trim();
- if (!Altos.ishex(line) || line.length() % 2 != 0)
- throw new IOException(
- String.format
- ("Invalid reply \"%s\"", line));
- int this_time = line.length() / 2;
- for (int j = 0; j < this_time; j++)
- data[start + j] = (byte) ((Altos.fromhex(line.charAt(j*2)) << 4) +
- Altos.fromhex(line.charAt(j*2+1)));
- start += this_time;
- i += this_time;
- }
-// dump_memory("read_memory", address, data, 0, length);
-
- return data;
- }
-
- /*
- * Write raw bytes to the debug link using the 'P' command
- */
- public void write_bytes(byte[] bytes) throws IOException {
- int i = 0;
- ensure_debug_mode();
- while (i < bytes.length) {
- int this_time = bytes.length - i;
- if (this_time > 8)
- this_time = 0;
- printf("P");
- for (int j = 0; j < this_time; j++)
- printf(" %02x", bytes[i+j]);
- printf("\n");
- i += this_time;
- }
- }
-
- public void write_byte(byte b) throws IOException {
- byte[] bytes = { b };
- write_bytes(bytes);
- }
-
- /*
- * Read raw bytes from the debug link using the 'G' command
- */
- public byte[] read_bytes(int length)
- throws IOException, InterruptedException {
-
- flush_input();
- ensure_debug_mode();
- printf("G %x\n", length);
- int i = 0;
- byte[] data = new byte[length];
- while (i < length) {
- String line = get_reply().trim();
- String tokens[] = line.split("\\s+");
- for (int j = 0; j < tokens.length; j++) {
- if (!Altos.ishex(tokens[j]) ||
- tokens[j].length() != 2)
- throw new IOException(
- String.format
- ("Invalid read_bytes reply \"%s\"", line));
- try {
- data[i + j] = (byte) Integer.parseInt(tokens[j], 16);
- } catch (NumberFormatException ne) {
- throw new IOException(
- String.format
- ("Invalid read_bytes reply \"%s\"", line));
- }
- }
- i += tokens.length;
- }
- return data;
- }
-
- public byte read_byte() throws IOException, InterruptedException {
- return read_bytes(1)[0];
- }
-
- public byte debug_instr(byte[] instruction) throws IOException, InterruptedException {
- byte[] command = new byte[1 + instruction.length];
- command[0] = DEBUG_INSTR((byte) instruction.length);
- for (int i = 0; i < instruction.length; i++)
- command[i+1] = instruction[i];
- write_bytes(command);
- return read_byte();
- }
-
- public byte resume() throws IOException, InterruptedException {
- write_byte(RESUME);
- return read_byte();
- }
-
- public int read_uint16() throws IOException, InterruptedException {
- byte[] d = read_bytes(2);
- return ((int) (d[0] & 0xff) << 8) | (d[1] & 0xff);
- }
-
- public int read_uint8() throws IOException, InterruptedException {
- byte[] d = read_bytes(1);
- return (int) (d[0] & 0xff);
- }
-
- public int get_chip_id() throws IOException, InterruptedException {
- write_byte(GET_CHIP_ID);
- return read_uint16();
- }
-
- public int get_pc() throws IOException, InterruptedException {
- write_byte(GET_PC);
- return read_uint16();
- }
-
- public byte read_status() throws IOException, InterruptedException {
- write_byte(READ_STATUS);
- return read_byte();
- }
-
- static final byte LJMP = 0x02;
-
- public void set_pc(int pc) throws IOException, InterruptedException {
- byte high = (byte) (pc >> 8);
- byte low = (byte) pc;
- byte[] jump_mem = { LJMP, high, low };
- debug_instr(jump_mem);
- }
-
- public boolean check_connection() throws IOException, InterruptedException {
- byte reply = read_status();
- if ((reply & STATUS_CHIP_ERASE_DONE) == 0)
- return false;
- if ((reply & STATUS_PCON_IDLE) != 0)
- return false;
- if ((reply & STATUS_POWER_MODE_0) == 0)
- return false;
- return true;
- }
-
- public AltosRomconfig romconfig() {
- try {
- byte[] bytes = read_memory(0xa0, 10);
- return new AltosRomconfig(bytes, 0);
- } catch (IOException ie) {
- } catch (InterruptedException ie) {
- }
- return new AltosRomconfig();
- }
-
- /*
- * Reset target
- */
- public void reset() {
- printf ("R\n");
- }
-
- public AltosDebug (AltosDevice in_device) throws FileNotFoundException, AltosSerialInUseException {
- super(in_device);
- }
-}
\ No newline at end of file
projects / fw / altos / blobdiff