bilbo/jvm
1
0
Fork 0
Code Pull Requests Activity

add Gdrom/GdromBits/GdromCommandPacketFormat

Browse Source
This commit is contained in:
Zack Buhman 2025-01-01 04:51:41 -06:00
parent c922af0749
commit 967caa1b22
7 changed files with 741 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
generate.sh
View File

@ -1,12 +1,14 @@
python gen_decoder.py > c/decode.inc.c
python regs/register_gen.py ../dreamcast/regs/holly.csv holly 0xa05f8000 > sega/dreamcast/holly/Holly.java
python regs/register_gen.py ../dreamcast/regs/systembus.csv systembus 0xa05f6800 > sega/dreamcast/systembus/Systembus.java
python regs/register_gen.py ../dreamcast/regs/holly.csv holly 0xa05f8000 > sega/dreamcast/holly/Holly.java
python regs/register_gen.py ../dreamcast/regs/systembus.csv systembus 0xa05f6800 > sega/dreamcast/systembus/Systembus.java
python regs/register_gen.py ~/dreamcast/regs/gdrom.csv gdrom 0xa05f7000 > sega/dreamcast/gdrom/Gdrom.java
python regs/bits_gen.py ../dreamcast/regs/core_bits.csv holly CoreBits > sega/dreamcast/holly/CoreBits.java
python regs/bits_gen.py ../dreamcast/regs/ta_bits.csv holly TABits > sega/dreamcast/holly/TABits.java
python regs/bits_gen.py ../dreamcast/regs/isp_tsp.csv holly ISPTSP > sega/dreamcast/holly/ISPTSP.java
python regs/bits_gen.py ../dreamcast/regs/ta_parameter.csv holly TAParameter > sega/dreamcast/holly/TAParameter.java
python regs/bits_gen.py ../dreamcast/regs/core_bits.csv holly CoreBits > sega/dreamcast/holly/CoreBits.java
python regs/bits_gen.py ../dreamcast/regs/ta_bits.csv holly TABits > sega/dreamcast/holly/TABits.java
python regs/bits_gen.py ../dreamcast/regs/isp_tsp.csv holly ISPTSP > sega/dreamcast/holly/ISPTSP.java
python regs/bits_gen.py ../dreamcast/regs/ta_parameter.csv holly TAParameter > sega/dreamcast/holly/TAParameter.java
python regs/bits_gen.py ..//dreamcast/regs/gdrom_bits.csv gdrom GdromBits > sega/dreamcast/gdrom/GdromBits.java
python regs/bits_gen.py ../dreamcast/regs/systembus_bits.csv systembus SystembusBits > sega/dreamcast/systembus/SystembusBits.java
@ -15,7 +17,8 @@ python regs/ta_parameters.py ../dreamcast/regs/global_parameter_format.csv holly
PYTHONPATH=./regs/ python ../model_generator/generate_java.py ../untitled.obj UntitledModel > ./model/UntitledModel.java
python images/color_convert.py images/java_cup.png argb4444 images/java_cup.data
python images/color_convert.py images/java_text.png argb4444 images/java_text.data
python images/color_convert.py images/java_powered.png argb4444 images/java_powered.data
python regs/gdrom_command_packet_format.py ../dreamcast/regs/gdrom_command_packet_format.csv gdrom GdromCommandPacketFormat > sega/dreamcast/gdrom/GdromCommandPacketFormat.java

20
regs/gdrom_command_packet_format.py Normal file
View File

@ -0,0 +1,20 @@
import sys
from generate import renderer
from csv_input import read_input_headerless
from sparse_struct import parse
from sparse_struct_java import render_declarations
def get_type(field_name: str):
return "byte"
if __name__ == "__main__":
rows = read_input_headerless(sys.argv[1])
package_name = sys.argv[2]
class_name = sys.argv[3]
declarations = parse(rows,
expected_offset=1,
expected_sizes={12})
render, out = renderer(indent_length=4)
render(render_declarations(get_type, package_name, class_name, declarations, want_get_byte=True))
sys.stdout.write(out.getvalue())

2
regs/sparse_struct.py
View File

@ -67,7 +67,7 @@ def parse_type_declaration(ix, rows, expected_offset, expected_sizes):
else:
assert False, row
offset = int(_offset, 16)
assert offset == last_offset + expected_offset, (hex(offset), hex(last_offset))
assert offset == last_offset + expected_offset, (hex(offset), hex(last_offset), expected_offset)
last_offset = offset
if name == "":
name = f"_res{res_ix}"

42
regs/sparse_struct_java.py
View File

@ -1,8 +1,11 @@
def render_fields(get_type, fields):
for field in fields:
field_type = get_type(field.name)
assert field.array_length == 1
yield f"public {field_type} {field.name};"
if field.array_length == 1:
yield f"public {field_type} {field.name};"
else:
for i in range(field.array_length):
yield f"public {field_type} {field.name}{i};"
def render_constructor(get_type, declaration):
initializer = f"public {declaration.name}("
@ -19,7 +22,7 @@ def render_constructor(get_type, declaration):
for i, field in enumerate(constructor_fields):
s = start(i)
assert field.array_length <= 4, field
type = get_type(field.name) if field.array_length == 1 else "uint32_t"
type = get_type(field.name) if field.array_length == 1 else "int"
comma = ',' if i + 1 < len(constructor_fields) else ''
yield s + f"{type} {field.name}" + comma
@ -32,23 +35,48 @@ def render_constructor(get_type, declaration):
value = field.name if not field.name.startswith('_res') else '0'
value = hex(field.default) if field.default is not None else value
s = ':' if i == 0 else ','
yield f"this.{field.name} = {value};"
if field.array_length == 1:
yield f"this.{field.name} = {value};"
else:
max_shift = 8 * (field.array_length - 1)
for i in range(field.array_length):
shift = max_shift - (i * 8)
yield f"this.{field.name}{i} = ({field.name} >> {shift}) & 0xff;"
yield "}"
array_fields = [f for f in declaration.fields
if f.array_length > 1]
def render_declaration(get_type, declaration):
def render_get_byte(fields):
ix = 0
yield "public get_byte(int ix) {"
yield "switch (ix) {"
for field in fields:
if "_res" in field.name:
pass
elif field.array_length == 1:
yield f"case {ix}: return {field.name};"
else:
for i in range(field.array_length):
yield f"case {ix + i}: return {field.name}{i};"
ix += field.array_length
yield "default: return 0;"
yield "}"
yield "}"
def render_declaration(get_type, declaration, want_get_byte):
yield f"public static class {declaration.name} {{"
yield from render_fields(get_type, declaration.fields)
yield from render_constructor(get_type, declaration)
if want_get_byte:
yield from render_get_byte(declaration.fields)
yield "}"
def render_declarations(get_type, package_name, class_name, declarations):
def render_declarations(get_type, package_name, class_name, declarations, want_get_byte=False):
yield f"package sega.dreamcast.{package_name};"
yield ""
yield f"public class {class_name} {{"
for declaration in declarations:
yield from render_declaration(get_type, declaration)
yield from render_declaration(get_type, declaration, want_get_byte)
yield "}"

17
sega/dreamcast/gdrom/Gdrom.java Normal file
View File

@ -0,0 +1,17 @@
package sega.dreamcast.gdrom;
public class Gdrom {
public static final int alternate_status = 0xa05f7018;
public static final int device_control = 0xa05f7018;
public static final int data = 0xa05f7080;
public static final int error = 0xa05f7084;
public static final int features = 0xa05f7084;
public static final int interrupt_reason = 0xa05f7088;
public static final int sector_count = 0xa05f7088;
public static final int sector_number = 0xa05f708c;
public static final int byte_count_low = 0xa05f7090;
public static final int byte_count_high = 0xa05f7094;
public static final int drive_select = 0xa05f7098;
public static final int status = 0xa05f709c;
public static final int command = 0xa05f709c;
}

104
sega/dreamcast/gdrom/GdromBits.java Normal file
View File

@ -0,0 +1,104 @@
package sega.dreamcast.gdrom;
public class GdromBits {
public static int status__bsy(int n) {
return (n >> 7) & 1;
}
public static int status__drdy(int n) {
return (n >> 6) & 1;
}
public static int status__df(int n) {
return (n >> 5) & 1;
}
public static int status__dsc(int n) {
return (n >> 4) & 1;
}
public static int status__drq(int n) {
return (n >> 3) & 1;
}
public static int status__corr(int n) {
return (n >> 2) & 1;
}
public static int status__check(int n) {
return (n >> 0) & 1;
}
public static int alternate_status__bsy(int n) {
return (n >> 7) & 1;
}
public static int alternate_status__drdy(int n) {
return (n >> 6) & 1;
}
public static int alternate_status__df(int n) {
return (n >> 5) & 1;
}
public static int alternate_status__dsc(int n) {
return (n >> 4) & 1;
}
public static int alternate_status__drq(int n) {
return (n >> 3) & 1;
}
public static int alternate_status__corr(int n) {
return (n >> 2) & 1;
}
public static int alternate_status__check(int n) {
return (n >> 0) & 1;
}
public static final int command__code__soft_reset = 8 << 0;
public static final int command__code__execute_device_diagnostic = 144 << 0;
public static final int command__code__nop = 0 << 0;
public static final int command__code__packet_command = 160 << 0;
public static final int command__code__identify_device = 161 << 0;
public static final int command__code__set_features = 239 << 0;
public static final int device_control__device_control = 8 << 0;
public static final int device_control__srst = 1 << 2;
public static final int device_control__nien = 1 << 1;
public static final int drive_select__drive_select = 10 << 4;
public static int drive_select__lun(int n) {
return (n & 15) << 0;
}
public static int error__sense_key(int n) {
return (n >> 4) & 15;
}
public static int error__mcr(int n) {
return (n >> 3) & 1;
}
public static int error__abrt(int n) {
return (n >> 2) & 1;
}
public static int error__eomf(int n) {
return (n >> 1) & 1;
}
public static int error__ili(int n) {
return (n >> 0) & 1;
}
public static final int features__dma__disable = 0 << 0;
public static final int features__dma__enable = 1 << 0;
public static final int features_ata__set_clear__clear = 0 << 7;
public static final int features_ata__set_clear__set = 1 << 7;
public static final int features_ata__command__set_transfer_mode = 3 << 0;
public static int interrupt_reason__io(int n) {
return (n >> 1) & 1;
}
public static int interrupt_reason__cod(int n) {
return (n >> 0) & 1;
}
public static final int sector_count__transfer_mode__pio_default_transfer_mode = 0 << 0;
public static final int sector_count__transfer_mode__pio_flow_control_transfer_mode = 8 << 0;
public static final int sector_count__transfer_mode__single_word_dma_mode = 16 << 0;
public static final int sector_count__transfer_mode__multi_word_dma_mode = 32 << 0;
public static int sector_number__disc_format(int n) {
return (n >> 4) & 15;
}
public static int sector_number__status(int n) {
return (n >> 0) & 15;
}
public static final int error_ata__sense_key__no_sense = 0 << 0;
public static final int error_ata__sense_key__recovered_error = 1 << 0;
public static final int error_ata__sense_key__not_ready = 2 << 0;
public static final int error_ata__sense_key__medium_error = 3 << 0;
public static final int error_ata__sense_key__hardware_error = 4 << 0;
public static final int error_ata__sense_key__illegal_request = 5 << 0;
public static final int error_ata__sense_key__unit_attention = 6 << 0;
public static final int error_ata__sense_key__data_protect = 7 << 0;
public static final int error_ata__sense_key__aborted_command = 11 << 0;
}

554
sega/dreamcast/gdrom/GdromCommandPacketFormat.java Normal file
View File

@ -0,0 +1,554 @@
package sega.dreamcast.gdrom;
public class GdromCommandPacketFormat {
public static class test_unit {
public byte command_code;
public byte _res0;
public byte _res1;
public byte _res2;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public byte _res7;
public byte _res8;
public byte _res9;
public byte _res10;
public test_unit() {
this.command_code = 0x0;
this._res0 = 0;
this._res1 = 0;
this._res2 = 0;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
this._res7 = 0;
this._res8 = 0;
this._res9 = 0;
this._res10 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
default: return 0;
}
}
}
public static class req_stat {
public byte command_code;
public byte _res0;
public byte starting_address;
public byte _res1;
public byte allocation_length;
public byte _res2;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public byte _res7;
public byte _res8;
public req_stat(byte starting_address,
byte allocation_length
) {
this.command_code = 0x10;
this._res0 = 0;
this.starting_address = starting_address;
this._res1 = 0;
this.allocation_length = allocation_length;
this._res2 = 0;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
this._res7 = 0;
this._res8 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 2: return starting_address;
case 4: return allocation_length;
default: return 0;
}
}
}
public static class req_mode {
public byte command_code;
public byte _res0;
public byte starting_address;
public byte _res1;
public byte allocation_length;
public byte _res2;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public byte _res7;
public byte _res8;
public req_mode(byte starting_address,
byte allocation_length
) {
this.command_code = 0x11;
this._res0 = 0;
this.starting_address = starting_address;
this._res1 = 0;
this.allocation_length = allocation_length;
this._res2 = 0;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
this._res7 = 0;
this._res8 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 2: return starting_address;
case 4: return allocation_length;
default: return 0;
}
}
}
public static class set_mode {
public byte command_code;
public byte _res0;
public byte starting_address;
public byte _res1;
public byte allocation_length;
public byte _res2;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public byte _res7;
public byte _res8;
public set_mode(byte starting_address,
byte allocation_length
) {
this.command_code = 0x12;
this._res0 = 0;
this.starting_address = starting_address;
this._res1 = 0;
this.allocation_length = allocation_length;
this._res2 = 0;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
this._res7 = 0;
this._res8 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 2: return starting_address;
case 4: return allocation_length;
default: return 0;
}
}
}
public static class req_error {
public byte command_code;
public byte _res0;
public byte _res1;
public byte _res2;
public byte allocation_length;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public byte _res7;
public byte _res8;
public byte _res9;
public req_error(byte allocation_length
) {
this.command_code = 0x13;
this._res0 = 0;
this._res1 = 0;
this._res2 = 0;
this.allocation_length = allocation_length;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
this._res7 = 0;
this._res8 = 0;
this._res9 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 4: return allocation_length;
default: return 0;
}
}
}
public static class get_toc {
public byte command_code;
public byte select;
public byte _res0;
public byte allocation_length0;
public byte allocation_length1;
public byte _res1;
public byte _res2;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public byte _res7;
public get_toc(byte select,
int allocation_length
) {
this.command_code = 0x14;
this.select = select;
this._res0 = 0;
this.allocation_length0 = (allocation_length >> 8) & 0xff;
this.allocation_length1 = (allocation_length >> 0) & 0xff;
this._res1 = 0;
this._res2 = 0;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
this._res7 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 1: return select;
case 3: return allocation_length0;
case 4: return allocation_length1;
default: return 0;
}
}
}
public static class req_ses {
public byte command_code;
public byte _res0;
public byte session_number;
public byte _res1;
public byte allocation_length;
public byte _res2;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public byte _res7;
public byte _res8;
public req_ses(byte session_number,
byte allocation_length
) {
this.command_code = 0x15;
this._res0 = 0;
this.session_number = session_number;
this._res1 = 0;
this.allocation_length = allocation_length;
this._res2 = 0;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
this._res7 = 0;
this._res8 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 2: return session_number;
case 4: return allocation_length;
default: return 0;
}
}
}
public static class cd_open {
public byte command_code;
public byte _res0;
public byte _res1;
public byte _res2;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public byte _res7;
public byte _res8;
public byte _res9;
public byte _res10;
public cd_open() {
this.command_code = 0x16;
this._res0 = 0;
this._res1 = 0;
this._res2 = 0;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
this._res7 = 0;
this._res8 = 0;
this._res9 = 0;
this._res10 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
default: return 0;
}
}
}
public static class cd_play {
public byte command_code;
public byte parameter_type;
public byte starting_point0;
public byte starting_point1;
public byte starting_point2;
public byte _res0;
public byte repeat_times;
public byte _res1;
public byte end_point0;
public byte end_point1;
public byte end_point2;
public byte _res2;
public cd_play(byte parameter_type,
int starting_point,
byte repeat_times,
int end_point
) {
this.command_code = 0x20;
this.parameter_type = parameter_type;
this.starting_point0 = (starting_point >> 16) & 0xff;
this.starting_point1 = (starting_point >> 8) & 0xff;
this.starting_point2 = (starting_point >> 0) & 0xff;
this._res0 = 0;
this.repeat_times = repeat_times;
this._res1 = 0;
this.end_point0 = (end_point >> 16) & 0xff;
this.end_point1 = (end_point >> 8) & 0xff;
this.end_point2 = (end_point >> 0) & 0xff;
this._res2 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 1: return parameter_type;
case 2: return starting_point0;
case 3: return starting_point1;
case 4: return starting_point2;
case 6: return repeat_times;
case 8: return end_point0;
case 9: return end_point1;
case 10: return end_point2;
default: return 0;
}
}
}
public static class cd_seek {
public byte command_code;
public byte parameter_type;
public byte seek_point0;
public byte seek_point1;
public byte seek_point2;
public byte _res0;
public byte _res1;
public byte _res2;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public cd_seek(byte parameter_type,
int seek_point
) {
this.command_code = 0x21;
this.parameter_type = parameter_type;
this.seek_point0 = (seek_point >> 16) & 0xff;
this.seek_point1 = (seek_point >> 8) & 0xff;
this.seek_point2 = (seek_point >> 0) & 0xff;
this._res0 = 0;
this._res1 = 0;
this._res2 = 0;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 1: return parameter_type;
case 2: return seek_point0;
case 3: return seek_point1;
case 4: return seek_point2;
default: return 0;
}
}
}
public static class cd_scan {
public byte command_code;
public byte _res0;
public byte direction;
public byte speed;
public byte _res1;
public byte _res2;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public byte _res7;
public byte _res8;
public cd_scan(byte direction,
byte speed
) {
this.command_code = 0x22;
this._res0 = 0;
this.direction = direction;
this.speed = speed;
this._res1 = 0;
this._res2 = 0;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
this._res7 = 0;
this._res8 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 2: return direction;
case 3: return speed;
default: return 0;
}
}
}
public static class cd_read {
public byte command_code;
public byte data;
public byte starting_address0;
public byte starting_address1;
public byte starting_address2;
public byte _res0;
public byte _res1;
public byte _res2;
public byte transfer_length0;
public byte transfer_length1;
public byte transfer_length2;
public byte _res3;
public cd_read(byte data,
int starting_address,
int transfer_length
) {
this.command_code = 0x30;
this.data = data;
this.starting_address0 = (starting_address >> 16) & 0xff;
this.starting_address1 = (starting_address >> 8) & 0xff;
this.starting_address2 = (starting_address >> 0) & 0xff;
this._res0 = 0;
this._res1 = 0;
this._res2 = 0;
this.transfer_length0 = (transfer_length >> 16) & 0xff;
this.transfer_length1 = (transfer_length >> 8) & 0xff;
this.transfer_length2 = (transfer_length >> 0) & 0xff;
this._res3 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 1: return data;
case 2: return starting_address0;
case 3: return starting_address1;
case 4: return starting_address2;
case 8: return transfer_length0;
case 9: return transfer_length1;
case 10: return transfer_length2;
default: return 0;
}
}
}
public static class cd_read2 {
public byte command_code;
public byte data;
public byte starting_address0;
public byte starting_address1;
public byte starting_address2;
public byte _res0;
public byte transfer_length0;
public byte transfer_length1;
public byte next_address0;
public byte next_address1;
public byte next_address2;
public byte _res1;
public cd_read2(byte data,
int starting_address,
int transfer_length,
int next_address
) {
this.command_code = 0x31;
this.data = data;
this.starting_address0 = (starting_address >> 16) & 0xff;
this.starting_address1 = (starting_address >> 8) & 0xff;
this.starting_address2 = (starting_address >> 0) & 0xff;
this._res0 = 0;
this.transfer_length0 = (transfer_length >> 8) & 0xff;
this.transfer_length1 = (transfer_length >> 0) & 0xff;
this.next_address0 = (next_address >> 16) & 0xff;
this.next_address1 = (next_address >> 8) & 0xff;
this.next_address2 = (next_address >> 0) & 0xff;
this._res1 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 1: return data;
case 2: return starting_address0;
case 3: return starting_address1;
case 4: return starting_address2;
case 6: return transfer_length0;
case 7: return transfer_length1;
case 8: return next_address0;
case 9: return next_address1;
case 10: return next_address2;
default: return 0;
}
}
}
public static class cd_scd {
public byte command_code;
public byte data_format;
public byte _res0;
public byte allocation_length0;
public byte allocation_length1;
public byte _res1;
public byte _res2;
public byte _res3;
public byte _res4;
public byte _res5;
public byte _res6;
public byte _res7;
public cd_scd(byte data_format,
int allocation_length
) {
this.command_code = 0x40;
this.data_format = data_format;
this._res0 = 0;
this.allocation_length0 = (allocation_length >> 8) & 0xff;
this.allocation_length1 = (allocation_length >> 0) & 0xff;
this._res1 = 0;
this._res2 = 0;
this._res3 = 0;
this._res4 = 0;
this._res5 = 0;
this._res6 = 0;
this._res7 = 0;
}
public get_byte(int ix) {
switch (ix) {
case 0: return command_code;
case 1: return data_format;
case 3: return allocation_length0;
case 4: return allocation_length1;
default: return 0;
}
}
}
}