first commit

.github/workflows/ci.yml

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+name: CI-Release
+
+on:
+  push:
+    branches:
+      - main
+    
+jobs:
+  build-binary:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: build binary
+      run: |
+        docker build . -t builder
+        docker run --rm -v ${PWD}:/project builder make
+    - uses: actions/upload-artifact@master
+      with:
+       name: binary
+       path: "*.rpx"
+  deploy-binary:
+    needs: build-binary
+    runs-on: ubuntu-18.04
+    steps:   
+    - name: Get environment variables
+      id: get_repository_name
+      run: |
+        echo REPOSITORY_NAME=$(echo "$GITHUB_REPOSITORY" | awk -F / '{print $2}' | sed -e "s/:refs//") >> $GITHUB_ENV
+        echo DATETIME=$(echo $(date '+%Y%m%d-%H%M%S')) >> $GITHUB_ENV 
+    - uses: actions/download-artifact@master
+      with:
+        name: binary
+        path: /
+    - name: zip artifact
+      run: zip -r ${{ env.REPOSITORY_NAME }}_${{ env.DATETIME }}.zip wiiu
+    - name: Create Release
+      id: create_release
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ env.REPOSITORY_NAME }}-${{ env.DATETIME }}
+        release_name: Nightly-${{ env.REPOSITORY_NAME }}-${{ env.DATETIME }}
+        draft: false
+        prerelease: true
+        body: |
+           Not a stable release:
+           ${{ github.event.head_commit.message }}
+    - name: Upload Release Asset
+      id: upload-release-asset 
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
+        asset_path: ./${{ env.REPOSITORY_NAME }}_${{ env.DATETIME }}.zip
+        asset_name: ${{ env.REPOSITORY_NAME }}_${{ env.DATETIME }}.zip
+        asset_content_type: application/unknown

.github/workflows/pr.yml

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+name: CI-PR
+
+on: [pull_request]
+
+jobs:
+  build-binary:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: build binary
+      run: |
+        docker build . -t builder
+        docker run --rm -v ${PWD}:/project builder make
+    - uses: actions/upload-artifact@master
+      with:
+       name: binary
+       path: "*.rpx"

.gitignore

@@ -0,0 +1,9 @@
+*.elf
+*.rpx
+build/
+*.cbp
+*.layout
+*_syms.h
+cmake-build-debug/
+.idea/
+CMakeLists.txt

Dockerfile

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+FROM wiiuenv/devkitppc:20211106
+
+WORKDIR project

Makefile

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+#-------------------------------------------------------------------------------
+.SUFFIXES:
+#-------------------------------------------------------------------------------
+
+ifeq ($(strip $(DEVKITPRO)),)
+$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
+endif
+
+TOPDIR ?= $(CURDIR)
+
+include $(DEVKITPRO)/wut/share/wut_rules
+
+#-------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# DATA is a list of directories containing data files
+# INCLUDES is a list of directories containing header files
+#-------------------------------------------------------------------------------
+TARGET		:=	90_launch_installer
+BUILD		:=	build
+SOURCES		:=	source
+DATA		:=	data
+INCLUDES	:=	include
+
+#-------------------------------------------------------------------------------
+# options for code generation
+#-------------------------------------------------------------------------------
+CFLAGS	:=	-g -Wall -O2 -ffunction-sections \
+			$(MACHDEP)
+
+CFLAGS	+=	$(INCLUDE) -D__WIIU__ -D__WUT__
+
+CXXFLAGS	:= $(CFLAGS)
+
+ASFLAGS	:=	-g $(ARCH) -mregnames
+LDFLAGS	=	-g $(ARCH) $(RPXSPECS) --entry=_start -Wl,-Map,$(notdir $*.map)
+
+LIBS	:= -lwut
+
+#-------------------------------------------------------------------------------
+# list of directories containing libraries, this must be the top level
+# containing include and lib
+#-------------------------------------------------------------------------------
+LIBDIRS	:= $(PORTLIBS) $(WUT_ROOT)
+
+
+#-------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#-------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#-------------------------------------------------------------------------------
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+export TOPDIR	:=	$(CURDIR)
+
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+			$(foreach dir,$(DATA),$(CURDIR)/$(dir))
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+#-------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#-------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#-------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#-------------------------------------------------------------------------------
+else
+#-------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#-------------------------------------------------------------------------------
+endif
+#-------------------------------------------------------------------------------
+
+export OFILES_BIN	:=	$(addsuffix .o,$(BINFILES))
+export OFILES_SRC	:=	$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+export OFILES 	:=	$(OFILES_BIN) $(OFILES_SRC)
+export HFILES_BIN	:=	$(addsuffix .h,$(subst .,_,$(BINFILES)))
+
+export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+			-I$(CURDIR)/$(BUILD)
+
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+.PHONY: $(BUILD) clean all
+
+#-------------------------------------------------------------------------------
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) -j1 --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#-------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+	@rm -fr $(BUILD) $(TARGET).rpx $(TARGET).elf	
+
+#-------------------------------------------------------------------------------
+else
+.PHONY:	all
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#-------------------------------------------------------------------------------
+# main targets
+#-------------------------------------------------------------------------------
+all	:	$(OUTPUT).rpx
+
+$(OUTPUT).rpx	:	$(OUTPUT).elf
+$(OUTPUT).elf	:	$(OFILES)
+
+$(OFILES_SRC)	: $(HFILES_BIN)
+
+#-------------------------------------------------------------------------------
+# you need a rule like this for each extension you use as binary data
+#-------------------------------------------------------------------------------
+%.bin.o	%_bin.h :	%.bin
+#-------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	@$(bin2o)
+	
+#---------------------------------------------------------------------------------
+%.o: %.s
+	@echo $(notdir $<)
+	@$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER)
+
+-include $(DEPENDS)
+
+#-------------------------------------------------------------------------------
+endif
+#-------------------------------------------------------------------------------

README.md

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+# LaunchInstaller
+
+## Usage
+Place the `90_launch_installer.rpx` in the `[ENVIROMENT]/modules/setup` folder and run the [EnvironmentLoader](https://github.com/wiiu-env/EnvironmentLoader).
+Requires [MochaPayload](https://github.com/wiiu-env/MochaPayload) as a setup module in `[ENVIROMENT]/modules/setup`.
+Will automatically launch `sd:/wiiu/apps/payload_loader_installer.rpx`
+
+## Building
+
+For building you just need [wut](https://github.com/devkitPro/wut/) installed, then use the `make` command.
+
+## Building using the Dockerfile
+
+It's possible to use a docker image for building. This way you don't need anything installed on your host system.
+
+```
+# Build docker image (only needed once)
+docker build . -t launchinstaller-builder
+
+# make 
+docker run -it --rm -v ${PWD}:/project launchinstaller-builder make
+
+# make clean
+docker run -it --rm -v ${PWD}:/project launchinstaller-builder make clean
+```
+
+## Credits
+Maschell

source/crt.c

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+void __init_wut_malloc();
+
+void __init_wut_newlib();
+
+void __init_wut_stdcpp();
+
+void __init_wut_devoptab();
+
+void __attribute__((weak)) __init_wut_socket();
+
+void __fini_wut_malloc();
+
+void __fini_wut_newlib();
+
+void __fini_wut_stdcpp();
+
+void __fini_wut_devoptab();
+
+void __attribute__((weak)) __fini_wut_socket();
+
+void __attribute__((weak))
+__init_wut_() {
+    __init_wut_malloc();
+    __init_wut_newlib();
+    __init_wut_stdcpp();
+    __init_wut_devoptab();
+    if (&__init_wut_socket) __init_wut_socket();
+}
+
+void __attribute__((weak))
+__fini_wut_() {
+    __fini_wut_devoptab();
+    __fini_wut_stdcpp();
+    __fini_wut_newlib();
+    __fini_wut_malloc();
+}

source/crt0.s

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+.extern main
+.extern exit
+.extern __init_wut_
+.extern __fini_wut_
+
+.global _start
+_start:
+   stwu 1, -0x28(1)
+   mflr 0
+   stw 0, 0x2C(1)
+   stw 31, 0x24(1)
+   or 31, 1, 1
+   stw 3, 0x18(31)
+   stw 4, 0x1C(31)
+   bl __init_wut_
+   lwz 4, 0x1C(31)   
+   lwz 3, 0x18(31)   
+   bl main
+   or 9, 3, 3
+   stw 9, 0x8(31)   
+   bl __fini_wut_
+   lwz 9, 0x8(31)
+   or 3, 9, 9
+   addi 11, 31, 0x28
+   lwz 0, 0x4(11)
+   mtlr 0
+   lwz 31, -0x4(11)
+   or 1, 11, 11
+   blr

source/main.cpp

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+#include <string.h>
+#include <coreinit/title.h>
+#include <sysapp/title.h>
+#include <sysapp/launch.h>
+#include <coreinit/ios.h>
+#include <coreinit/cache.h>
+
+typedef struct __attribute((packed)) {
+    uint32_t command;
+    uint32_t target;
+    uint32_t filesize;
+    uint32_t fileoffset;
+    char path[256];
+} LOAD_REQUEST;
+
+extern "C" void _SYSLaunchTitleWithStdArgsInNoSplash(uint64_t, int);
+extern "C" void OSRestartGame();
+
+int main(int argc, char **argv) {
+    LOAD_REQUEST request;
+    memset(&request, 0, sizeof(request));
+
+    request.command = 0xFC; // IPC_CUSTOM_LOAD_CUSTOM_RPX;
+    request.target = 0;     // LOAD_FILE_TARGET_SD_CARD
+    request.filesize = 0;   // unknown filesize
+    request.fileoffset = 0; //    
+    request.path[0] = '\0';
+
+    strncat(request.path, "/wiiu/apps/payload_loader_installer.rpx", sizeof(request.path) - 1);
+    DCFlushRange(&request, sizeof(LOAD_REQUEST));
+
+    int mcpFd = IOS_Open("/dev/mcp", (IOSOpenMode) 0);
+    if (mcpFd >= 0) {
+        int out = 0;
+        IOS_Ioctl(mcpFd, 100, &request, sizeof(request), &out, sizeof(out));
+        
+        int in = 0xFA; // IPC_CUSTOM_START_USB_LOGGING       
+        IOS_Ioctl(mcpFd, 100, &in, sizeof(in), &out, sizeof(out));
+
+        IOS_Close(mcpFd);
+    }
+
+    uint64_t titleID = _SYSGetSystemApplicationTitleId(SYSTEM_APP_ID_HEALTH_AND_SAFETY);
+    if( OSGetTitleID() == titleID){
+        OSRestartGame();
+    } else {
+        _SYSLaunchTitleWithStdArgsInNoSplash(titleID, 0);
+    }
+    
+    return 0;
+}