mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2024-11-14 05:17:40 -07:00
Fallback to FreeBIOS when BIOS files are not found. (v2) (#1174)
* Fallback to FreeBIOS when BIOS files are not found. * Add sources of drastic bios files. * Move FreeBIOS/external BIOS choice to configuration option/checkbox. * Fix indentation Co-authored-by: Filippo Scognamiglio <flscogna@gmail.com> Co-authored-by: Filippo Scognamiglio <filippo.scognamiglio@felgo.com>
This commit is contained in:
Adrian Siekierka
GitHub
parent
243077722b
commit
b7992cc084
17
freebios/Makefile
Executable file
17
freebios/Makefile
Executable file
@ -0,0 +1,17 @@
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TC_PREFIX = /home/exophase/pandora-dev
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PREFIX = $(TC_PREFIX)/arm-2011.03
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AS = $(PREFIX)/bin/arm-none-linux-gnueabi-gcc
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OBJCOPY = $(PREFIX)/bin/arm-none-linux-gnueabi-objcopy
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BIN_ARM7 = drastic_bios_arm7
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BIN_ARM9 = drastic_bios_arm9
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all:
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$(AS) bios_common.S -DBIOS_ARM7 -march=armv4 -c -Wa,-asl=$(BIN_ARM7).list -o $(BIN_ARM7).o
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$(AS) bios_common.S -DBIOS_ARM9 -march=armv5 -c -Wa,-asl=$(BIN_ARM9).list -o $(BIN_ARM9).o
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$(OBJCOPY) -O binary $(BIN_ARM7).o $(BIN_ARM7).bin
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$(OBJCOPY) -O binary $(BIN_ARM9).o $(BIN_ARM9).bin
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clean:
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rm -f $(BIN_ARM7).bin $(BIN_ARM7).o $(BIN_ARM9).bin $(BIN_ARM9).o
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1135
freebios/bios_common.S
Executable file
1135
freebios/bios_common.S
Executable file
File diff suppressed because it is too large
Load Diff
BIN
freebios/drastic_bios_arm7.bin
Executable file
BIN
freebios/drastic_bios_arm7.bin
Executable file
Binary file not shown.
BIN
freebios/drastic_bios_arm9.bin
Executable file
BIN
freebios/drastic_bios_arm9.bin
Executable file
Binary file not shown.
36
freebios/drastic_bios_readme.txt
Executable file
36
freebios/drastic_bios_readme.txt
Executable file
@ -0,0 +1,36 @@
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Custom NDS ARM7/ARM9 BIOS replacement
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Copyright (c) 2013, Gilead Kutnick
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1) Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2) Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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-- Info --
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This archive contains source code and assembly for a custom BIOS replacement
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for the Nintendo DS system. This code is in no way affiliated with Nintendo
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and is not derived from Nintendo's BIOS implementation but has been implemented
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using publically available documentation.
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It can be assembled using the included Makefile along with a proper ARM gcc
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toolchain. Change the first four lines to point to the proper toolchain of your
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choice.
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@ -39,6 +39,7 @@ add_library(core STATIC
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NDSCart_SRAMManager.cpp
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Platform.h
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ROMList.h
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FreeBIOS.h
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RTC.cpp
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Savestate.cpp
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SPI.cpp
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@ -28,6 +28,7 @@ namespace Config
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const char* kConfigFile = "melonDS.ini";
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int ExternalBIOSEnable;
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char BIOS9Path[1024];
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char BIOS7Path[1024];
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char FirmwarePath[1024];
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@ -54,9 +55,11 @@ int JIT_FastMemory = true;
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ConfigEntry ConfigFile[] =
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{
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{"ExternalBIOSEnable", 0, &ExternalBIOSEnable, 0, NULL, 0},
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{"BIOS9Path", 1, BIOS9Path, 0, "", 1023},
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{"BIOS7Path", 1, BIOS7Path, 0, "", 1023},
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{"FirmwarePath", 1, FirmwarePath, 0, "", 1023},
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{"DLDIEnable", 0, &DLDIEnable, 0, NULL, 0},
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{"DLDISDPath", 1, DLDISDPath, 0, "", 1023},
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@ -41,6 +41,7 @@ bool HasConfigFile(const char* fileName);
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void Load();
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void Save();
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extern int ExternalBIOSEnable;
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extern char BIOS9Path[1024];
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extern char BIOS7Path[1024];
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extern char FirmwarePath[1024];
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1747
src/FreeBIOS.h
Normal file
1747
src/FreeBIOS.h
Normal file
File diff suppressed because it is too large
Load Diff
63
src/NDS.cpp
63
src/NDS.cpp
@ -34,6 +34,7 @@
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#include "AREngine.h"
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#include "Platform.h"
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#include "NDSCart_SRAMManager.h"
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#include "FreeBIOS.h"
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#ifdef JIT_ENABLED
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#include "ARMJIT.h"
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@ -464,38 +465,46 @@ void Reset()
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// DS BIOSes are always loaded, even in DSi mode
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// we need them for DS-compatible mode
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f = Platform::OpenLocalFile(Config::BIOS9Path, "rb");
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if (!f)
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if (Config::ExternalBIOSEnable)
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{
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printf("ARM9 BIOS not found\n");
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f = Platform::OpenLocalFile(Config::BIOS9Path, "rb");
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if (!f)
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{
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printf("ARM9 BIOS not found\n");
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for (i = 0; i < 16; i++)
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((u32*)ARM9BIOS)[i] = 0xE7FFDEFF;
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for (i = 0; i < 16; i++)
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((u32*)ARM9BIOS)[i] = 0xE7FFDEFF;
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}
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else
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{
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fseek(f, 0, SEEK_SET);
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fread(ARM9BIOS, 0x1000, 1, f);
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printf("ARM9 BIOS loaded\n");
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fclose(f);
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}
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f = Platform::OpenLocalFile(Config::BIOS7Path, "rb");
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if (!f)
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{
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printf("ARM7 BIOS not found\n");
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for (i = 0; i < 16; i++)
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((u32*)ARM7BIOS)[i] = 0xE7FFDEFF;
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}
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else
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{
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fseek(f, 0, SEEK_SET);
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fread(ARM7BIOS, 0x4000, 1, f);
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printf("ARM7 BIOS loaded\n");
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fclose(f);
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}
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}
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else
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{
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fseek(f, 0, SEEK_SET);
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fread(ARM9BIOS, 0x1000, 1, f);
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printf("ARM9 BIOS loaded\n");
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fclose(f);
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}
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f = Platform::OpenLocalFile(Config::BIOS7Path, "rb");
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if (!f)
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{
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printf("ARM7 BIOS not found\n");
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for (i = 0; i < 16; i++)
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((u32*)ARM7BIOS)[i] = 0xE7FFDEFF;
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}
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else
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{
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fseek(f, 0, SEEK_SET);
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fread(ARM7BIOS, 0x4000, 1, f);
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printf("ARM7 BIOS loaded\n");
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fclose(f);
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memcpy(ARM9BIOS, bios_arm9_bin, bios_arm9_bin_len);
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memcpy(ARM7BIOS, bios_arm7_bin, bios_arm7_bin_len);
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}
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#ifdef JIT_ENABLED
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@ -92,6 +92,8 @@ int VerifyDSBIOS()
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FILE* f;
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long len;
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if (!Config::ExternalBIOSEnable) return Load_OK;
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f = Platform::OpenLocalFile(Config::BIOS9Path, "rb");
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if (!f) return Load_BIOS9Missing;
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@ -41,9 +41,11 @@ EmuSettingsDialog::EmuSettingsDialog(QWidget* parent) : QDialog(parent), ui(new
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ui->setupUi(this);
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setAttribute(Qt::WA_DeleteOnClose);
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ui->chkExternalBIOS->setChecked(Config::ExternalBIOSEnable != 0);
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ui->txtBIOS9Path->setText(Config::BIOS9Path);
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ui->txtBIOS7Path->setText(Config::BIOS7Path);
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ui->txtFirmwarePath->setText(Config::FirmwarePath);
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ui->cbDLDIEnable->setChecked(Config::DLDIEnable != 0);
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ui->txtDLDISDPath->setText(Config::DLDISDPath);
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@ -78,6 +80,7 @@ EmuSettingsDialog::EmuSettingsDialog(QWidget* parent) : QDialog(parent), ui(new
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#endif
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on_chkEnableJIT_toggled();
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on_chkExternalBIOS_toggled();
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}
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EmuSettingsDialog::~EmuSettingsDialog()
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@ -145,6 +148,7 @@ void EmuSettingsDialog::done(int r)
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int jitLiteralOptimisations = ui->chkJITLiteralOptimisations->isChecked() ? 1:0;
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int jitFastMemory = ui->chkJITFastMemory->isChecked() ? 1:0;
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int externalBiosEnable = ui->chkExternalBIOS->isChecked() ? 1:0;
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std::string bios9Path = ui->txtBIOS9Path->text().toStdString();
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std::string bios7Path = ui->txtBIOS7Path->text().toStdString();
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std::string firmwarePath = ui->txtFirmwarePath->text().toStdString();
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@ -166,6 +170,7 @@ void EmuSettingsDialog::done(int r)
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|| jitLiteralOptimisations != Config::JIT_LiteralOptimisations
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|| jitFastMemory != Config::JIT_FastMemory
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#endif
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|| externalBiosEnable != Config::ExternalBIOSEnable
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|| strcmp(Config::BIOS9Path, bios9Path.c_str()) != 0
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|| strcmp(Config::BIOS7Path, bios7Path.c_str()) != 0
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|| strcmp(Config::FirmwarePath, firmwarePath.c_str()) != 0
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@ -184,6 +189,7 @@ void EmuSettingsDialog::done(int r)
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QMessageBox::Ok, QMessageBox::Cancel) != QMessageBox::Ok)
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return;
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Config::ExternalBIOSEnable = externalBiosEnable;
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strncpy(Config::BIOS9Path, bios9Path.c_str(), 1023); Config::BIOS9Path[1023] = '\0';
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strncpy(Config::BIOS7Path, bios7Path.c_str(), 1023); Config::BIOS7Path[1023] = '\0';
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strncpy(Config::FirmwarePath, firmwarePath.c_str(), 1023); Config::FirmwarePath[1023] = '\0';
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@ -337,3 +343,10 @@ void EmuSettingsDialog::on_chkEnableJIT_toggled()
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#endif
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ui->spnJITMaximumBlockSize->setDisabled(disabled);
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}
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void EmuSettingsDialog::on_chkExternalBIOS_toggled()
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{
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bool disabled = !ui->chkExternalBIOS->isChecked();
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ui->txtBIOS7Path->setDisabled(disabled);
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ui->txtBIOS9Path->setDisabled(disabled);
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}
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@ -67,6 +67,7 @@ private slots:
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void on_btnDSiSDBrowse_clicked();
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void on_chkEnableJIT_toggled();
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void on_chkExternalBIOS_toggled();
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private:
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void verifyFirmware();
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@ -7,7 +7,7 @@
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<x>0</x>
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<y>0</y>
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<width>575</width>
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<height>254</height>
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<height>260</height>
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</rect>
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</property>
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<property name="sizePolicy">
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@ -26,7 +26,7 @@
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<item>
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<widget class="QTabWidget" name="tabWidget">
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<property name="currentIndex">
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<number>0</number>
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<number>1</number>
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</property>
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<widget class="QWidget" name="tab">
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<attribute name="title">
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@ -89,72 +89,41 @@
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<string>DS-mode</string>
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</attribute>
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<layout class="QGridLayout" name="gridLayout">
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<item row="1" column="1">
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<widget class="QPathInput" name="txtBIOS7Path">
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<property name="whatsThis">
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<string><html><head/><body><p>DS-mode ARM7 BIOS</p><p>Size should be 16 KB</p></body></html></string>
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</property>
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</widget>
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</item>
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<item row="2" column="1">
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<widget class="QPathInput" name="txtFirmwarePath">
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<property name="whatsThis">
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<string><html><head/><body><p>DS-mode firmware</p><p><br/></p><p>Possible firmwares:</p><p>* 128 KB: DS-mode firmware from a DSi or 3DS. Not bootable.</p><p>* 256 KB: regular DS firmware.</p><p>* 512 KB: iQue DS firmware.</p></body></html></string>
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</property>
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</widget>
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</item>
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<item row="2" column="0">
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<widget class="QLabel" name="label_3">
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<property name="text">
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<string>DS firmware:</string>
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</property>
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</widget>
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</item>
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<item row="1" column="0">
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<widget class="QLabel" name="label_2">
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<property name="text">
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<string>DS ARM7 BIOS:</string>
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</property>
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</widget>
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</item>
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<item row="1" column="2">
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<widget class="QPushButton" name="btnBIOS7Browse">
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<property name="text">
|
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<string>Browse...</string>
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</property>
|
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</widget>
|
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</item>
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<item row="2" column="2">
|
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<item row="3" column="2">
|
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<widget class="QPushButton" name="btnFirmwareBrowse">
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<property name="text">
|
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<string>Browse...</string>
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</property>
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</widget>
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</item>
|
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<item row="0" column="2">
|
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<widget class="QPushButton" name="btnBIOS9Browse">
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<property name="sizePolicy">
|
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<sizepolicy hsizetype="Minimum" vsizetype="Fixed">
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
|
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<item row="4" column="0">
|
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<spacer name="verticalSpacer_5">
|
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<property name="orientation">
|
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<enum>Qt::Vertical</enum>
|
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</property>
|
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<property name="sizeHint" stdset="0">
|
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<size>
|
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<width>20</width>
|
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<height>40</height>
|
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</size>
|
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</property>
|
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</spacer>
|
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</item>
|
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<item row="3" column="0">
|
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<widget class="QLabel" name="label_3">
|
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<property name="text">
|
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<string>DS firmware:</string>
|
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</property>
|
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</widget>
|
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</item>
|
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<item row="2" column="2">
|
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<widget class="QPushButton" name="btnBIOS7Browse">
|
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<property name="text">
|
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<string>Browse...</string>
|
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</property>
|
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<property name="autoDefault">
|
||||
<bool>true</bool>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="0">
|
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<widget class="QLabel" name="label">
|
||||
<property name="text">
|
||||
<string>DS ARM9 BIOS:</string>
|
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</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="1">
|
||||
<item row="1" column="1">
|
||||
<widget class="QPathInput" name="txtBIOS9Path">
|
||||
<property name="sizePolicy">
|
||||
<sizepolicy hsizetype="Expanding" vsizetype="Fixed">
|
||||
@ -176,18 +145,56 @@
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="3" column="0">
|
||||
<spacer name="verticalSpacer_5">
|
||||
<property name="orientation">
|
||||
<enum>Qt::Vertical</enum>
|
||||
<item row="2" column="0">
|
||||
<widget class="QLabel" name="label_2">
|
||||
<property name="text">
|
||||
<string>DS ARM7 BIOS:</string>
|
||||
</property>
|
||||
<property name="sizeHint" stdset="0">
|
||||
<size>
|
||||
<width>20</width>
|
||||
<height>40</height>
|
||||
</size>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="2" column="1">
|
||||
<widget class="QPathInput" name="txtBIOS7Path">
|
||||
<property name="whatsThis">
|
||||
<string><html><head/><body><p>DS-mode ARM7 BIOS</p><p>Size should be 16 KB</p></body></html></string>
|
||||
</property>
|
||||
</spacer>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="3" column="1">
|
||||
<widget class="QPathInput" name="txtFirmwarePath">
|
||||
<property name="whatsThis">
|
||||
<string><html><head/><body><p>DS-mode firmware</p><p><br/></p><p>Possible firmwares:</p><p>* 128 KB: DS-mode firmware from a DSi or 3DS. Not bootable.</p><p>* 256 KB: regular DS firmware.</p><p>* 512 KB: iQue DS firmware.</p></body></html></string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="1" column="0">
|
||||
<widget class="QLabel" name="label">
|
||||
<property name="text">
|
||||
<string>DS ARM9 BIOS:</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="1" column="2">
|
||||
<widget class="QPushButton" name="btnBIOS9Browse">
|
||||
<property name="sizePolicy">
|
||||
<sizepolicy hsizetype="Minimum" vsizetype="Fixed">
|
||||
<horstretch>0</horstretch>
|
||||
<verstretch>0</verstretch>
|
||||
</sizepolicy>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>Browse...</string>
|
||||
</property>
|
||||
<property name="autoDefault">
|
||||
<bool>true</bool>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="0" colspan="3">
|
||||
<widget class="QCheckBox" name="chkExternalBIOS">
|
||||
<property name="text">
|
||||
<string>Use external BIOS files</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user