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GdromTest: directory listing

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This commit is contained in:
Zack Buhman 2025-01-02 05:22:21 -06:00
parent 13c11391e0
commit 7e954e060c
17 changed files with 180 additions and 27 deletions
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6
c/classpath.h
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@ -1,6 +1,12 @@
#include "example/DreamcastVideo2.class.h"
#include "example/DreamcastVideo.class.h"
#include "example/GdromExtentReader.class.h"
#include "example/GdromTest.class.h"
#include "filesystem/iso9660/ByteParser.class.h"
#include "filesystem/iso9660/DirectoryRecord.class.h"
#include "filesystem/iso9660/ExtentReader.class.h"
#include "filesystem/iso9660/PrimaryVolumeDescriptor.class.h"
#include "filesystem/iso9660/VolumeParser.class.h"
#include "java/io/PrintStream.class.h"
#include "java/lang/Boolean.class.h"
#include "java/lang/Byte.class.h"

6
c/classpath.inc.c
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@ -1,6 +1,12 @@
(const uint8_t *)&_binary_example_DreamcastVideo2_class_start,
(const uint8_t *)&_binary_example_DreamcastVideo_class_start,
(const uint8_t *)&_binary_example_GdromExtentReader_class_start,
(const uint8_t *)&_binary_example_GdromTest_class_start,
(const uint8_t *)&_binary_filesystem_iso9660_ByteParser_class_start,
(const uint8_t *)&_binary_filesystem_iso9660_DirectoryRecord_class_start,
(const uint8_t *)&_binary_filesystem_iso9660_ExtentReader_class_start,
(const uint8_t *)&_binary_filesystem_iso9660_PrimaryVolumeDescriptor_class_start,
(const uint8_t *)&_binary_filesystem_iso9660_VolumeParser_class_start,
(const uint8_t *)&_binary_java_io_PrintStream_class_start,
(const uint8_t *)&_binary_java_lang_Boolean_class_start,
(const uint8_t *)&_binary_java_lang_Byte_class_start,

6
classpath.mk
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@ -1,7 +1,13 @@
CLASS_PATH = \
example/DreamcastVideo2.class.o \
example/DreamcastVideo.class.o \
example/GdromExtentReader.class.o \
example/GdromTest.class.o \
filesystem/iso9660/ByteParser.class.o \
filesystem/iso9660/DirectoryRecord.class.o \
filesystem/iso9660/ExtentReader.class.o \
filesystem/iso9660/PrimaryVolumeDescriptor.class.o \
filesystem/iso9660/VolumeParser.class.o \
java/io/PrintStream.class.o \
java/lang/Boolean.class.o \
java/lang/Byte.class.o \

15
example/GdromExtentReader.class.h Normal file
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@ -0,0 +1,15 @@
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern C {
#endif
extern uint32_t _binary_example_GdromExtentReader_class_start __asm("_binary_example_GdromExtentReader_class_start");
extern uint32_t _binary_example_GdromExtentReader_class_end __asm("_binary_example_GdromExtentReader_class_end");
extern uint32_t _binary_example_GdromExtentReader_class_size __asm("_binary_example_GdromExtentReader_class_size");
#ifdef __cplusplus
}
#endif

26
example/GdromTest.java
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@ -3,6 +3,17 @@ package example;
import sega.dreamcast.gdrom.GdromProtocol;
import sega.dreamcast.gdrom.G1IF;
import java.misc.Memory;
import filesystem.iso9660.VolumeParser;
import filesystem.iso9660.ExtentReader;
class GdromExtentReader implements ExtentReader {
public void readInto(byte[] buf, int extent) {
int starting_address = extent + 150;
System.out.print("starting_address: ");
System.out.println(starting_address);
GdromProtocol.cdReadPIO(buf, starting_address, 1);
}
}
class GdromTest {
static byte[] buf;
@ -29,15 +40,20 @@ class GdromTest {
int data_track_fad = GdromProtocol.tocGetDataTrackFad();
int primary_volume_descriptor = data_track_fad + 16;
GdromProtocol.cdReadPIO(buf, primary_volume_descriptor, 1);
//GdromProtocol.cdReadPIO(buf, primary_volume_descriptor, 1);
GdromExtentReader reader = new GdromExtentReader();
VolumeParser parser = new VolumeParser(data_track_fad - 150, reader);
System.out.println("::parser parse::");
parser.parse();
/*
System.out.println("data:");
for (int i = 0; i < 16; i++) {
System.out.print(buf[i]);
System.out.print(' ');
System.out.print(((int)buf[i]) & 0xff);
System.out.print(" ");
}
System.out.println();
*/
}
}

15
filesystem/iso9660/ByteParser.class.h Normal file
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@ -0,0 +1,15 @@
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern C {
#endif
extern uint32_t _binary_filesystem_iso9660_ByteParser_class_start __asm("_binary_filesystem_iso9660_ByteParser_class_start");
extern uint32_t _binary_filesystem_iso9660_ByteParser_class_end __asm("_binary_filesystem_iso9660_ByteParser_class_end");
extern uint32_t _binary_filesystem_iso9660_ByteParser_class_size __asm("_binary_filesystem_iso9660_ByteParser_class_size");
#ifdef __cplusplus
}
#endif

15
filesystem/iso9660/DirectoryRecord.class.h Normal file
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@ -0,0 +1,15 @@
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern C {
#endif
extern uint32_t _binary_filesystem_iso9660_DirectoryRecord_class_start __asm("_binary_filesystem_iso9660_DirectoryRecord_class_start");
extern uint32_t _binary_filesystem_iso9660_DirectoryRecord_class_end __asm("_binary_filesystem_iso9660_DirectoryRecord_class_end");
extern uint32_t _binary_filesystem_iso9660_DirectoryRecord_class_size __asm("_binary_filesystem_iso9660_DirectoryRecord_class_size");
#ifdef __cplusplus
}
#endif

15
filesystem/iso9660/ExtentReader.class.h Normal file
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@ -0,0 +1,15 @@
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern C {
#endif
extern uint32_t _binary_filesystem_iso9660_ExtentReader_class_start __asm("_binary_filesystem_iso9660_ExtentReader_class_start");
extern uint32_t _binary_filesystem_iso9660_ExtentReader_class_end __asm("_binary_filesystem_iso9660_ExtentReader_class_end");
extern uint32_t _binary_filesystem_iso9660_ExtentReader_class_size __asm("_binary_filesystem_iso9660_ExtentReader_class_size");
#ifdef __cplusplus
}
#endif

2
filesystem/iso9660/ExtentReader.java
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@ -1,5 +1,5 @@
package filesystem.iso9660;
interface ExtentReader {
public interface ExtentReader {
public abstract void readInto(byte[] buf, int extent);
}

15
filesystem/iso9660/PrimaryVolumeDescriptor.class.h Normal file
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@ -0,0 +1,15 @@
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern C {
#endif
extern uint32_t _binary_filesystem_iso9660_PrimaryVolumeDescriptor_class_start __asm("_binary_filesystem_iso9660_PrimaryVolumeDescriptor_class_start");
extern uint32_t _binary_filesystem_iso9660_PrimaryVolumeDescriptor_class_end __asm("_binary_filesystem_iso9660_PrimaryVolumeDescriptor_class_end");
extern uint32_t _binary_filesystem_iso9660_PrimaryVolumeDescriptor_class_size __asm("_binary_filesystem_iso9660_PrimaryVolumeDescriptor_class_size");
#ifdef __cplusplus
}
#endif

1
filesystem/iso9660/TestExtentReader.java
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@ -6,7 +6,6 @@ import java.io.IOException;
class TestExtentReader implements ExtentReader {
byte[] all_bytes;
public TestExtentReader() {
try {
all_bytes = Files.readAllBytes(Paths.get("classes/classes.iso"));

15
filesystem/iso9660/VolumeParser.class.h Normal file
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@ -0,0 +1,15 @@
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern C {
#endif
extern uint32_t _binary_filesystem_iso9660_VolumeParser_class_start __asm("_binary_filesystem_iso9660_VolumeParser_class_start");
extern uint32_t _binary_filesystem_iso9660_VolumeParser_class_end __asm("_binary_filesystem_iso9660_VolumeParser_class_end");
extern uint32_t _binary_filesystem_iso9660_VolumeParser_class_size __asm("_binary_filesystem_iso9660_VolumeParser_class_size");
#ifdef __cplusplus
}
#endif

13
filesystem/iso9660/VolumeParser.java
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@ -2,9 +2,9 @@ package filesystem.iso9660;
import filesystem.iso9660.PrimaryVolumeDescriptor;
import filesystem.iso9660.DirectoryRecord;
import filesystem.iso9660.TestExtentReader;
public class VolumeParser {
int fad;
byte[] buf;
DirectoryRecord dr;
ExtentReader reader;
@ -102,8 +102,10 @@ public class VolumeParser {
}
public void parse() {
int pvd_extent = 16;
int pvd_extent = this.fad + 16;
System.out.print("pvd_extent: ");
System.out.println(pvd_extent);
reader.readInto(buf, pvd_extent);
printStandardIdentifier();
@ -119,15 +121,20 @@ public class VolumeParser {
walkDirectory(extent, num_extents, 0);
}
public VolumeParser(ExtentReader reader) {
public VolumeParser(int fad, ExtentReader reader) {
this.fad = fad;
this.reader = reader;
this.buf = new byte[2048];
this.dr = new DirectoryRecord(this.buf, 0);
}
/*
import filesystem.iso9660.TestExtentReader;
public static void main(String[] args) {
TestExtentReader reader = new TestExtentReader();
VolumeParser parser = new VolumeParser(reader);
parser.parse();
}
*/
}

26
generate_classpath.sh
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@ -1,4 +1,4 @@
function make_class () {
function java_to_class () {
while read line; do
echo "${line%.java}.class"
done
@ -68,10 +68,20 @@ function classpath_h () {
set -e
find sega/ java/ -name '*.class' -exec rm -f {} \;
make -j$(nproc) -f Makefile.dreamcast.mk $(find model/ example/ sega/ java/ -name '*.java' | make_class)
find model/ example/ sega/ java/ -name '*.class' | sort | rename_class_files
find model/ example/ sega/ java/ -name '*.class' | sort | classpath_mk
find model/ example/ sega/ java/ -name '*.class' | sort | classpath_inc_c
find model/ example/ sega/ java/ -name '*.class' | sort | make_header
find model/ example/ sega/ java/ -name '*.class' | sort | classpath_h
function find_classes () {
find model/ example/ sega/ java/ filesystem/ -name '*.class' -not -name 'Test*' | sort
}
function find_sources () {
find model/ example/ sega/ java/ filesystem/ -name '*.java' -not -name 'Test*' | sort
}
find sega/ java/ filesystem/ -name '*.class' -exec rm -f {} \;
make -j$(nproc) -f Makefile.dreamcast.mk $(find_sources | java_to_class)
find_classes | rename_class_files
find_classes | classpath_mk
find_classes | classpath_inc_c
find_classes | make_header
find_classes | classpath_h

9
java/io/PrintStream.java
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@ -24,6 +24,10 @@ public class PrintStream
write(String.valueOf(b));
}
public void print(char c) {
write(String.valueOf(c));
}
public void print(int i) {
write(String.valueOf(i));
}
@ -58,6 +62,11 @@ public class PrintStream
write(newline);
}
public void println(char c) {
write(String.valueOf(c));
write(newline);
}
public void println(int i) {
write(String.valueOf(i));
write(newline);

4
java/lang/String.java
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@ -31,6 +31,10 @@ public class String {
return b ? "true" : "false";
}
public static String valueOf(char c) {
return new String(new byte[] { (byte)c });
}
public static String valueOf(int i) {
return Integer.toString(i);
}

18
sega/dreamcast/gdrom/GdromProtocol.java
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@ -36,13 +36,13 @@ public class GdromProtocol {
Memory.putU1(Gdrom.command, GdromBits.command__code__packet_command);
System.out.println("words:");
//System.out.println("words:");
for (int i = 0; i < 6; i++) {
int i0 = command.getByte(i * 2);
int i1 = command.getByte(i * 2 + 1);
// little endian
int word = ((i1 & 0xff) << 8) | (i0 & 0xff);
System.out.println(word);
//System.out.println(word);
Memory.putU2(Gdrom.data, word);
}
@ -56,18 +56,18 @@ public class GdromProtocol {
public static void readData(byte[] buf, int length) {
for (int i = 0; i < (length >> 1); i++) {
int data = Memory.getU2(Gdrom.data);
buf[i * 2] = (byte)((data >> 8) & 0xff);
buf[i * 2 + 1] = (byte)(data & 0xff);
buf[i * 2] = (byte)(data);
buf[i * 2 + 1] = (byte)(data >> 8);
}
}
public static int getFad(byte[] buf, int i) {
int i0 = buf[0];
int i1 = buf[1];
int i2 = buf[2];
//int i3 = low & 0xff;
//int i0 = ((int)buf[i * 4 + 0]) & 0xff;
int i1 = ((int)buf[i * 4 + 1]) & 0xff;
int i2 = ((int)buf[i * 4 + 2]) & 0xff;
int i3 = ((int)buf[i * 4 + 3]) & 0xff;
return (i2 << 16) | (i1 << 8) | i0;
return (i1 << 16) | (i2 << 8) | (i3 << 0);
}
public static int tocGetDataTrackFad() {