Support for loading from PayloadFromRPX entrypoint

.gitignore

@@ -5,3 +5,4 @@ payload.bin
 .idea/
 cmake-build-debug/
 CMakeLists.txt
+payload.elf.bin

Makefile

@@ -17,6 +17,8 @@ export CXX	:=	$(PREFIX)g++
 export AR	:=	$(PREFIX)ar
 export OBJCOPY	:=	$(PREFIX)objcopy
 
+GCC_VER := $(shell $(DEVKITPPC)/bin/powerpc-eabi-gcc -dumpversion)
+
 #---------------------------------------------------------------------------------
 # TARGET is the name of the output
 # BUILD is the directory where object files & intermediate files will be placed
@@ -39,14 +41,14 @@ CFLAGS	:=  -std=gnu11 -mrvl -mcpu=750 -meabi -mhard-float -ffast-math -fno-built
 CXXFLAGS := -std=gnu++11 -mrvl -mcpu=750 -meabi -mhard-float -ffast-math \
 		    -O0 -Wall -Wextra -Wno-unused-parameter -Wno-strict-aliasing $(INCLUDE)
 ASFLAGS	:= -mregnames
-LDFLAGS	:= -nostartfiles -Wl,--gc-sections
+LDFLAGS	:= -nostartfiles -Wl,--gc-sections,--allow-multiple-definition
 
 Q := @
 MAKEFLAGS += --no-print-directory
 #---------------------------------------------------------------------------------
 # any extra libraries we wish to link with the project
 #---------------------------------------------------------------------------------
-LIBS	:=
+LIBS	:= -lwut
 
 #---------------------------------------------------------------------------------
 # list of directories containing libraries, this must be the top level containing
@@ -54,7 +56,8 @@ LIBS	:=
 #---------------------------------------------------------------------------------
 LIBDIRS	:=	$(CURDIR)	\
 			$(DEVKITPPC)/lib  \
-			$(DEVKITPPC)/lib/gcc/powerpc-eabi/4.8.2
+            $(DEVKITPRO)/wut  \
+			$(DEVKITPPC)/lib/gcc/powerpc-eabi/$(GCC_VER)
 
 
 #---------------------------------------------------------------------------------

sd_loader/src/entry.c

@@ -10,28 +10,46 @@
 #define OS_FIND_EXPORT(handle, funcName, func)          OSDynLoad_FindExport(handle, 0, funcName, &func)
 
 typedef struct _private_data_t {
-    EXPORT_DECL(void *, MEMAllocFromDefaultHeapEx,int size, int align);
+    EXPORT_DECL(void *, MEMAllocFromDefaultHeapEx, int size, int align);
-    EXPORT_DECL(void, MEMFreeToDefaultHeap,void *ptr);
+
+    EXPORT_DECL(void, MEMFreeToDefaultHeap, void *ptr);
+
+    EXPORT_DECL(uint64_t, OSGetTitleID);
 
     EXPORT_DECL(void*, memcpy, void *p1, const void *p2, unsigned int s);
+
     EXPORT_DECL(void*, memset, void *p1, int val, unsigned int s);
-    EXPORT_DECL(void, OSFatal, const char* msg);
+
+    EXPORT_DECL(void, OSFatal, const char *msg);
+
     EXPORT_DECL(unsigned int, OSEffectiveToPhysical, const void*);
+
     EXPORT_DECL(void, exit, int);
 
     EXPORT_DECL(int, FSInit, void);
+
     EXPORT_DECL(int, FSAddClientEx, void *pClient, int unk_zero_param, int errHandling);
+
     EXPORT_DECL(int, FSDelClient, void *pClient);
+
     EXPORT_DECL(void, FSInitCmdBlock, void *pCmd);
+
     EXPORT_DECL(int, FSGetMountSource, void *pClient, void *pCmd, int type, void *source, int errHandling);
+
     EXPORT_DECL(int, FSMount, void *pClient, void *pCmd, void *source, const char *target, uint32_t bytes, int errHandling);
+
     EXPORT_DECL(int, FSUnmount, void *pClient, void *pCmd, const char *target, int errHandling);
+
     EXPORT_DECL(int, FSOpenFile, void *pClient, void *pCmd, const char *path, const char *mode, int *fd, int errHandling);
+
     EXPORT_DECL(int, FSGetStatFile, void *pClient, void *pCmd, int fd, void *buffer, int error);
+
     EXPORT_DECL(int, FSReadFile, void *pClient, void *pCmd, void *buffer, int size, int count, int fd, int flag, int errHandling);
+
     EXPORT_DECL(int, FSCloseFile, void *pClient, void *pCmd, int fd, int errHandling);
 
-    EXPORT_DECL(int, SYSRelaunchTitle, int argc, char** argv);
+    EXPORT_DECL(int, SYSRelaunchTitle, int argc, char **argv);
+
 } private_data_t;
 
 static void (*DCFlushRange)(void *addr, unsigned int size);
@@ -356,16 +374,16 @@ static int LoadFileToMem(private_data_t *private_data, const char *filepath, uns
 
         int status = private_data->FSGetMountSource(pClient, pCmd, 0, tempPath, -1);
         if (status != 0) {
-            private_data->OSFatal("FSGetMountSource failed.");
+            private_data->OSFatal("-13");
         }
         status = private_data->FSMount(pClient, pCmd, tempPath, mountPath, FS_MAX_MOUNTPATH_SIZE, -1);
         if(status != 0) {
-            private_data->OSFatal("SD mount failed.");
+            private_data->OSFatal("-12");
         }
 
         status = private_data->FSOpenFile(pClient, pCmd, filepath, "r", &iFd, -1);
         if(status != 0) {
-            private_data->OSFatal("FSOpenFile failed.");
+            private_data->OSFatal("-11");
         }
 
         FSStat stat;
@@ -375,10 +393,11 @@ static int LoadFileToMem(private_data_t *private_data, const char *filepath, uns
 
         private_data->FSGetStatFile(pClient, pCmd, iFd, &stat, -1);
 
-        if(stat.size > 0)
+        if (stat.size > 0) {
             pBuffer = private_data->MEMAllocFromDefaultHeapEx((stat.size + 0x3F) & ~0x3F, 0x40);
-        else
+        } else {
-            private_data->OSFatal("ELF file empty.");
+            private_data->OSFatal("-10");
+        }
 
         unsigned int done = 0;
 
@@ -493,10 +512,11 @@ static void loadFunctionPointers(private_data_t * private_data) {
     unsigned int *functionPtr = 0;
 
     OSDynLoad_FindExport(coreinit_handle, 1, "MEMAllocFromDefaultHeapEx", &functionPtr);
-    private_data->MEMAllocFromDefaultHeapEx = (void * (*)(int, int))*functionPtr;
+    private_data->MEMAllocFromDefaultHeapEx = (void *(*)(int, int)) *functionPtr;
     OSDynLoad_FindExport(coreinit_handle, 1, "MEMFreeToDefaultHeap", &functionPtr);
-    private_data->MEMFreeToDefaultHeap = (void (*)(void *))*functionPtr;
+    private_data->MEMFreeToDefaultHeap = (void (*)(void *)) *functionPtr;
 
+    OS_FIND_EXPORT(coreinit_handle, "OSGetTitleID", private_data->OSGetTitleID);
     OS_FIND_EXPORT(coreinit_handle, "memcpy", private_data->memcpy);
     OS_FIND_EXPORT(coreinit_handle, "memset", private_data->memset);
     OS_FIND_EXPORT(coreinit_handle, "OSFatal", private_data->OSFatal);
@@ -529,12 +549,12 @@ int _start(int argc, char **argv) {
     if(MAIN_ENTRY_ADDR != 0xC001C0DE) {
         loadFunctionPointers(&private_data);
 
-        while(1) {
+        while (1) {
-            if(ELF_DATA_ADDR != 0xDEADC0DE && ELF_DATA_SIZE > 0) {
+            if (ELF_DATA_ADDR != 0xDEADC0DE && ELF_DATA_SIZE > 0) {
                 //! copy data to safe area before processing it
-                unsigned char * pElfBuffer = (unsigned char *)private_data.MEMAllocFromDefaultHeapEx(ELF_DATA_SIZE, 4);
+                unsigned char *pElfBuffer = (unsigned char *) private_data.MEMAllocFromDefaultHeapEx(ELF_DATA_SIZE, 4);
-                if(pElfBuffer) {
+                if (pElfBuffer) {
-                    private_data.memcpy(pElfBuffer, (unsigned char*)ELF_DATA_ADDR, ELF_DATA_SIZE);
+                    private_data.memcpy(pElfBuffer, (unsigned char *) ELF_DATA_ADDR, ELF_DATA_SIZE);
                     MAIN_ENTRY_ADDR = load_elf_image(&private_data, pElfBuffer);
                     private_data.MEMFreeToDefaultHeap(pElfBuffer);
 
@@ -543,23 +563,29 @@ int _start(int argc, char **argv) {
                 ELF_DATA_SIZE = 0;
             }
 
-            if(MAIN_ENTRY_ADDR == 0xDEADC0DE || MAIN_ENTRY_ADDR == 0) {
+            if (MAIN_ENTRY_ADDR == 0xDEADC0DE || MAIN_ENTRY_ADDR == 0) {
                 //! setup necessary syscalls and hooks for HBL before launching it
                 setup_patches(&private_data);
 
-                if(HBL_CHANNEL) {
+                if (HBL_CHANNEL) {
                     break;
                 } else {
                     unsigned char *pElfBuffer = NULL;
                     unsigned int uiElfSize = 0;
+                    if (private_data.OSGetTitleID() == 0x000500101004A200L || // mii maker eur
+                        private_data.OSGetTitleID() == 0x000500101004A100L || // mii maker usa
+                        private_data.OSGetTitleID() == 0x000500101004A000L) {   // mii maker jpn
 
-                    LoadFileToMem(&private_data, CAFE_OS_SD_PATH WIIU_PATH "/apps/homebrew_launcher/homebrew_launcher.elf", &pElfBuffer, &uiElfSize);
+                        LoadFileToMem(&private_data, CAFE_OS_SD_PATH WIIU_PATH "/apps/homebrew_launcher/homebrew_launcher.elf", &pElfBuffer, &uiElfSize);
+                    }else{
+                        break;
+                    }
 
-                    if(!pElfBuffer) {
+                    if (!pElfBuffer) {
                         private_data.OSFatal("Failed to load homebrew_launcher.elf");
                     } else {
                         MAIN_ENTRY_ADDR = load_elf_image(&private_data, pElfBuffer);
-                        if(MAIN_ENTRY_ADDR == 0) {
+                        if (MAIN_ENTRY_ADDR == 0) {
                             private_data.OSFatal("Failed to load homebrew_launcher.elf");
                         } else {
                             private_data.MEMFreeToDefaultHeap(pElfBuffer);
@@ -567,12 +593,12 @@ int _start(int argc, char **argv) {
                     }
                 }
             } else {
-                int returnVal = ((int (*)(int, char **))MAIN_ENTRY_ADDR)(argc, argv);
+                int returnVal = ((int (*)(int, char **)) MAIN_ENTRY_ADDR)(argc, argv);
                 //! exit to miimaker and restart application on re-enter of another application
-                if(returnVal == (int)EXIT_RELAUNCH_ON_LOAD) {
+                if (returnVal == (int) EXIT_RELAUNCH_ON_LOAD) {
                     break;
                 }
-                //! exit to homebrew launcher in all other cases
+                    //! exit to homebrew launcher in all other cases
                 else {
                     MAIN_ENTRY_ADDR = 0xDEADC0DE;
                     private_data.SYSRelaunchTitle(0, 0);

src/dynamic.c

@@ -0,0 +1,44 @@
+#include <coreinit/dynload.h>
+#include <coreinit/debug.h>
+
+#define IMPORT(name) void* addr_##name
+#define IMPORT_BEGIN(lib)
+#define IMPORT_END()
+
+#include "imports.h"
+
+#undef IMPORT
+#undef IMPORT_BEGIN
+#undef IMPORT_END
+
+#define IMPORT(name)       do{if(OSDynLoad_FindExport(handle, 0, #name, &addr_##name) < 0)OSFatal("Function " # name " is NULL");} while(0)
+#define IMPORT_BEGIN(lib)  OSDynLoad_Acquire(#lib ".rpl", &handle)
+/* #define IMPORT_END()       OSDynLoad_Release(handle) */
+#define IMPORT_END()
+
+#define EXPORT_VAR(type, var)           type var __attribute__((section(".data")));
+
+EXPORT_VAR(uint32_t *, MEMAllocFromDefaultHeap);
+EXPORT_VAR(uint32_t *, MEMAllocFromDefaultHeapEx);
+EXPORT_VAR(uint32_t *, MEMFreeToDefaultHeap);
+
+void InitFunctionPointers(void) {
+    OSDynLoad_Module handle;
+    addr_OSDynLoad_Acquire = (void *) 0x0102A3B4;
+    addr_OSDynLoad_FindExport = (void *) 0x0102B828;
+
+    OSDynLoad_Acquire("coreinit.rpl", &handle);
+
+    uint32_t **value = 0;
+    OSDynLoad_FindExport(handle, 1, "MEMAllocFromDefaultHeap", (void **) &value);
+    MEMAllocFromDefaultHeap = *value;
+    OSDynLoad_FindExport(handle, 1, "MEMAllocFromDefaultHeapEx", (void **) &value);
+    MEMAllocFromDefaultHeapEx = *value;
+    OSDynLoad_FindExport(handle, 1, "MEMFreeToDefaultHeap", (void **) &value);
+    MEMFreeToDefaultHeap = *value;
+
+#include "imports.h"
+
+    // override failed __rplwrap_exit find export
+    OSDynLoad_FindExport(handle, 0, "exit", (void **) &addr___rplwrap_exit);
+}

src/dynamic.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void InitFunctionPointers(void);
+
+#ifdef __cplusplus
+}
+#endif

src/entry.c

@@ -2,6 +2,16 @@
 #include "../sd_loader/src/common.h"
 #include "../sd_loader/sd_loader.h"
 #include <stdint.h>
+#include "dynamic.h"
+#include <stdbool.h>
+#include <coreinit/thread.h>
+#include <sysapp/launch.h>
+#include <proc_ui/procui.h>
+#include <coreinit/foreground.h>
+#include <coreinit/title.h>
+#include <sysapp/title.h>
+#include <stdio.h>
+#include <string.h>
 
 #define OSDynLoad_Acquire ((void (*)(char* rpl, unsigned int *handle))0x0102A3B4)
 #define OSDynLoad_FindExport ((void (*)(unsigned int handle, int isdata, char *symbol, void *address))0x0102B828)
@@ -52,16 +62,30 @@ typedef struct _private_data_t {
     EXPORT_DECL(int, FSInit, void);
     EXPORT_DECL(int, FSAddClientEx, void *pClient, int unk_zero_param, int errHandling);
     EXPORT_DECL(int, FSDelClient, void *pClient);
+
     EXPORT_DECL(void, FSInitCmdBlock, void *pCmd);
+
     EXPORT_DECL(int, FSGetMountSource, void *pClient, void *pCmd, int type, void *source, int errHandling);
+
     EXPORT_DECL(int, FSMount, void *pClient, void *pCmd, void *source, const char *target, uint32_t bytes, int errHandling);
+
     EXPORT_DECL(int, FSUnmount, void *pClient, void *pCmd, const char *target, int errHandling);
+
     EXPORT_DECL(int, FSOpenFile, void *pClient, void *pCmd, const char *path, const char *mode, int *fd, int errHandling);
+
     EXPORT_DECL(int, FSGetStatFile, void *pClient, void *pCmd, int fd, void *buffer, int error);
+
     EXPORT_DECL(int, FSReadFile, void *pClient, void *pCmd, void *buffer, int size, int count, int fd, int flag, int errHandling);
+
     EXPORT_DECL(int, FSCloseFile, void *pClient, void *pCmd, int fd, int errHandling);
 
-    EXPORT_DECL(int, SYSRelaunchTitle, int argc, char** argv);
+    EXPORT_DECL(int, SYSRelaunchTitle, int argc, char **argv);
+
+    EXPORT_DECL(int, _SYSLaunchMiiStudio);
+
+    EXPORT_DECL(int, SYSLaunchMenu);
+
+    EXPORT_DECL(uint64_t, OSGetTitleID);
 } private_data_t;
 
 static void InstallPatches(private_data_t *private_data);
@@ -75,10 +99,11 @@ static void loadFunctionPointers(private_data_t * private_data) {
     unsigned int *functionPtr = 0;
 
     OSDynLoad_FindExport(coreinit_handle, 1, "MEMAllocFromDefaultHeapEx", &functionPtr);
-    private_data->MEMAllocFromDefaultHeapEx = (void * (*)(int, int))*functionPtr;
+    private_data->MEMAllocFromDefaultHeapEx = (void *(*)(int, int)) *functionPtr;
     OSDynLoad_FindExport(coreinit_handle, 1, "MEMFreeToDefaultHeap", &functionPtr);
-    private_data->MEMFreeToDefaultHeap = (void (*)(void *))*functionPtr;
+    private_data->MEMFreeToDefaultHeap = (void (*)(void *)) *functionPtr;
 
+    OS_FIND_EXPORT(coreinit_handle, "OSGetTitleID", private_data->OSGetTitleID);
     OS_FIND_EXPORT(coreinit_handle, "memcpy", private_data->memcpy);
     OS_FIND_EXPORT(coreinit_handle, "memset", private_data->memset);
     OS_FIND_EXPORT(coreinit_handle, "DCFlushRange", private_data->DCFlushRange);
@@ -102,6 +127,8 @@ static void loadFunctionPointers(private_data_t * private_data) {
     unsigned int sysapp_handle;
     OSDynLoad_Acquire("sysapp.rpl", &sysapp_handle);
     OS_FIND_EXPORT(sysapp_handle, "SYSRelaunchTitle", private_data->SYSRelaunchTitle);
+    OS_FIND_EXPORT(sysapp_handle, "_SYSLaunchMiiStudio", private_data->_SYSLaunchMiiStudio);
+    OS_FIND_EXPORT(sysapp_handle, "SYSLaunchMenu", private_data->SYSLaunchMenu);
 }
 
 static unsigned int load_elf_image (private_data_t *private_data, unsigned char *elfstart) {
@@ -156,32 +183,50 @@ static unsigned int load_elf_image (private_data_t *private_data, unsigned char
     return ehdr->e_entry;
 }
 
-
 void KernelWriteU32(uint32_t addr, uint32_t value, private_data_t * pdata) {
     pdata->ICInvalidateRange(&value, 4);
     pdata->DCFlushRange(&value, 4);
 
-    uint32_t dst = (uint32_t) pdata->OSEffectiveToPhysical((void *)addr);
+    uint32_t dst = (uint32_t) pdata->OSEffectiveToPhysical((void *) addr);
-    uint32_t src = (uint32_t) pdata->OSEffectiveToPhysical((void *)&value);
+    uint32_t src = (uint32_t) pdata->OSEffectiveToPhysical((void *) &value);
 
     SC_0x25_KernelCopyData(dst, src, 4);
 
-    pdata->DCFlushRange((void *)addr, 4);
+    pdata->DCFlushRange((void *) addr, 4);
-    pdata->ICInvalidateRange((void *)addr, 4);
+    pdata->ICInvalidateRange((void *) addr, 4);
+}
+
+bool CheckRunning() {
+    switch (ProcUIProcessMessages(true)) {
+        case PROCUI_STATUS_EXITING: {
+            return false;
+        }
+        case PROCUI_STATUS_RELEASE_FOREGROUND: {
+            ProcUIDrawDoneRelease();
+            break;
+        }
+        case PROCUI_STATUS_IN_FOREGROUND: {
+            break;
+        }
+        case PROCUI_STATUS_IN_BACKGROUND:
+        default:
+            break;
+    }
+    return true;
 }
 
 int _start(int argc, char **argv) {
-    kern_write((void*)(KERN_SYSCALL_TBL_1 + (0x25 * 4)), (unsigned int)SCKernelCopyData);
+    kern_write((void *) (KERN_SYSCALL_TBL_1 + (0x25 * 4)), (unsigned int) SCKernelCopyData);
-    kern_write((void*)(KERN_SYSCALL_TBL_2 + (0x25 * 4)), (unsigned int)SCKernelCopyData);
+    kern_write((void *) (KERN_SYSCALL_TBL_2 + (0x25 * 4)), (unsigned int) SCKernelCopyData);
-    kern_write((void*)(KERN_SYSCALL_TBL_3 + (0x25 * 4)), (unsigned int)SCKernelCopyData);
+    kern_write((void *) (KERN_SYSCALL_TBL_3 + (0x25 * 4)), (unsigned int) SCKernelCopyData);
-    kern_write((void*)(KERN_SYSCALL_TBL_4 + (0x25 * 4)), (unsigned int)SCKernelCopyData);
+    kern_write((void *) (KERN_SYSCALL_TBL_4 + (0x25 * 4)), (unsigned int) SCKernelCopyData);
-    kern_write((void*)(KERN_SYSCALL_TBL_5 + (0x25 * 4)), (unsigned int)SCKernelCopyData);
+    kern_write((void *) (KERN_SYSCALL_TBL_5 + (0x25 * 4)), (unsigned int) SCKernelCopyData);
 
-    kern_write((void*)(KERN_SYSCALL_TBL_1 + (0x36 * 4)), (unsigned int)KernelPatches);
+    kern_write((void *) (KERN_SYSCALL_TBL_1 + (0x36 * 4)), (unsigned int) KernelPatches);
-    kern_write((void*)(KERN_SYSCALL_TBL_2 + (0x36 * 4)), (unsigned int)KernelPatches);
+    kern_write((void *) (KERN_SYSCALL_TBL_2 + (0x36 * 4)), (unsigned int) KernelPatches);
-    kern_write((void*)(KERN_SYSCALL_TBL_3 + (0x36 * 4)), (unsigned int)KernelPatches);
+    kern_write((void *) (KERN_SYSCALL_TBL_3 + (0x36 * 4)), (unsigned int) KernelPatches);
-    kern_write((void*)(KERN_SYSCALL_TBL_4 + (0x36 * 4)), (unsigned int)KernelPatches);
+    kern_write((void *) (KERN_SYSCALL_TBL_4 + (0x36 * 4)), (unsigned int) KernelPatches);
-    kern_write((void*)(KERN_SYSCALL_TBL_5 + (0x36 * 4)), (unsigned int)KernelPatches);
+    kern_write((void *) (KERN_SYSCALL_TBL_5 + (0x36 * 4)), (unsigned int) KernelPatches);
 
     Syscall_0x36();
 
@@ -190,11 +235,11 @@ int _start(int argc, char **argv) {
 
     InstallPatches(&private_data);
 
-    unsigned char * pElfBuffer = (unsigned char *) sd_loader; // use this address as temporary to load the elf
+    unsigned char *pElfBuffer = (unsigned char *) sd_loader; // use this address as temporary to load the elf
 
     unsigned int mainEntryPoint = load_elf_image(&private_data, pElfBuffer);
 
-    if(mainEntryPoint == 0) {
+    if (mainEntryPoint == 0) {
         OSFatal("failed to load elf");
     }
 
@@ -203,14 +248,41 @@ int _start(int argc, char **argv) {
     unsigned int jump_addr = mainEntryPoint & 0x03fffffc;
 
     unsigned int bufferU32 = 0x48000003 | jump_addr;
-    KernelWriteU32(repl_addr,bufferU32,&private_data);
+    KernelWriteU32(repl_addr, bufferU32, &private_data);
+
+    InitFunctionPointers();
+
+    if (
+            OSGetTitleID() == 0x000500101004A200L || // mii maker eur
+            OSGetTitleID() == 0x000500101004A100L || // mii maker usa
+            OSGetTitleID() == 0x000500101004A000L) {   // mii maker jpn
+
+        // restart mii maker.
+        private_data.SYSRelaunchTitle(0, 0);
+        private_data.exit(0);
+    } else {
+        ProcUIInit(OSSavesDone_ReadyToRelease);
+        for (int i = 0; i < argc; i++) {
+            if(strcmp(argv[i], "void forceDefaultTitleIDToWiiUMenu(void)") == 0){
+                if((i + 1) < argc){
+                    i++;
+                    void (*forceDefaultTitleIDToWiiUMenu)(void) = (void (*)(void)) argv[i];
+                    forceDefaultTitleIDToWiiUMenu();
+                }
+            }
+        }
+        SYSLaunchMenu();
+
+        while (CheckRunning()) {
+            // wait.
+            OSSleepTicks(OSMillisecondsToTicks(100));
+        }
+        ProcUIShutdown();
+
+        return 0;
+    }
 
-    // restart mii maker.
-    private_data.SYSRelaunchTitle(0, 0);
-    private_data.exit(0);
     return 0;
-
-    //return ((int (*)(int, char **))mainEntryPoint)(argc, argv);
 }
 
 /* Write a 32-bit word with kernel permissions */

src/import_stub.S

@@ -0,0 +1,24 @@
+/*#define IMPORT(name) \
+   .global name; \
+   name: \
+      lis %r11, addr_##name@h; \
+      lwz %r11, addr_##name@l(%r11); \
+      mtctr %r11; \
+      bctr*/
+
+#define IMPORT(name) \
+   .global name; \
+   name: \
+   lis %r11, addr_##name@h; \
+   ori %r11, %r11, addr_##name@l; \
+   lwz %r11, 0(%r11); \
+   mtctr %r11; \
+   bctr
+
+#define IMPORT_BEGIN(lib)
+#define IMPORT_END()
+
+.align 2;
+.section ".text";
+
+#include "imports.h"

src/imports.h

@@ -0,0 +1,294 @@
+/* coreinit */
+IMPORT_BEGIN(coreinit);
+
+IMPORT(OSScreenInit);
+IMPORT(OSScreenGetBufferSizeEx);
+IMPORT(OSScreenSetBufferEx);
+IMPORT(OSScreenEnableEx);
+IMPORT(OSScreenFlipBuffersEx);
+IMPORT(OSScreenClearBufferEx);
+IMPORT(OSScreenPutFontEx);
+IMPORT(OSFatal);
+IMPORT(OSDynLoad_Acquire);
+IMPORT(OSDynLoad_FindExport);
+IMPORT(OSDynLoad_Release);
+IMPORT(OSSetExceptionCallback);
+IMPORT(OSSavesDone_ReadyToRelease);
+IMPORT(OSInitMutex);
+IMPORT(OSLockMutex);
+IMPORT(OSUnlockMutex);
+IMPORT(OSInitCond);
+IMPORT(OSWaitCond);
+IMPORT(OSSignalCond);
+IMPORT(OSInitSpinLock);
+IMPORT(OSUninterruptibleSpinLock_Acquire);
+IMPORT(OSUninterruptibleSpinLock_Release);
+IMPORT(OSFastMutex_Init);
+IMPORT(OSFastMutex_Lock);
+IMPORT(OSFastMutex_Unlock);
+IMPORT(OSSleepTicks);
+IMPORT(OSGetTitleID);
+IMPORT(OSIsThreadTerminated);
+IMPORT(OSSetThreadPriority);
+IMPORT(OSCreateThread);
+IMPORT(OSSetThreadCleanupCallback);
+IMPORT(OSResumeThread);
+IMPORT(OSIsThreadSuspended);
+IMPORT(OSSuspendThread);
+IMPORT(OSGetCurrentThread);
+IMPORT(OSExitThread);
+IMPORT(OSJoinThread);
+IMPORT(OSYieldThread);
+IMPORT(OSGetCoreId);
+IMPORT(OSIsMainCore);
+IMPORT(OSGetSystemTime);
+IMPORT(OSGetSystemTick);
+IMPORT(OSGetTime);
+IMPORT(OSGetSymbolName);
+IMPORT(OSGetSharedData);
+IMPORT(OSEffectiveToPhysical);
+IMPORT(OSInitSemaphore);
+IMPORT(OSInitSemaphoreEx);
+IMPORT(OSGetSemaphoreCount);
+IMPORT(OSSignalSemaphore);
+IMPORT(OSWaitSemaphore);
+IMPORT(OSTryWaitSemaphore);
+IMPORT(OSCompareAndSwapAtomicEx);
+IMPORT(OSCompareAndSwapAtomic);
+IMPORT(OSGetThreadSpecific);
+IMPORT(OSSetThreadSpecific);
+
+IMPORT(exit);
+IMPORT(_Exit);
+IMPORT(__os_snprintf);
+IMPORT(DisassemblePPCRange);
+
+IMPORT(ICInvalidateRange);
+IMPORT(DCInvalidateRange);
+IMPORT(DCFlushRange);
+IMPORT(DCStoreRange);
+IMPORT(DCStoreRangeNoSync);
+
+IMPORT(__gh_errno_ptr);
+
+IMPORT(MEMGetBaseHeapHandle);
+IMPORT(MEMCreateExpHeapEx);
+IMPORT(MEMDestroyExpHeap);
+IMPORT(MEMAllocFromExpHeapEx);
+IMPORT(MEMFreeToExpHeap);
+IMPORT(MEMGetSizeForMBlockExpHeap);
+IMPORT(MEMAllocFromFrmHeapEx);
+IMPORT(MEMFreeToFrmHeap);
+IMPORT(MEMGetAllocatableSizeForFrmHeapEx);
+
+IMPORT(FSInit);
+IMPORT(FSShutdown);
+IMPORT(FSAddClient);
+IMPORT(FSAddClientEx);
+IMPORT(FSDelClient);
+IMPORT(FSInitCmdBlock);
+IMPORT(FSChangeDir);
+IMPORT(FSGetFreeSpaceSize);
+IMPORT(FSGetStat);
+IMPORT(FSRemove);
+IMPORT(FSOpenFile);
+IMPORT(FSCloseFile);
+IMPORT(FSOpenDir);
+IMPORT(FSMakeDir);
+IMPORT(FSReadDir);
+IMPORT(FSRewindDir);
+IMPORT(FSCloseDir);
+IMPORT(FSGetStatFile);
+IMPORT(FSReadFile);
+IMPORT(FSWriteFile);
+IMPORT(FSSetPosFile);
+IMPORT(FSFlushFile);
+IMPORT(FSTruncateFile);
+IMPORT(FSRename);
+IMPORT(FSGetMountSource);
+IMPORT(FSMount);
+IMPORT(FSUnmount);
+IMPORT(FSChangeMode);
+IMPORT(FSGetPosFile);
+IMPORT(OSTicksToCalendarTime);
+IMPORT(__rplwrap_exit);
+
+IMPORT(IOS_Open);
+IMPORT(IOS_Close);
+IMPORT(IOS_Ioctl);
+IMPORT(IOS_IoctlAsync);
+
+IMPORT(IMIsAPDEnabled);
+IMPORT(IMIsDimEnabled);
+IMPORT(IMEnableAPD);
+IMPORT(IMEnableDim);
+IMPORT(IMDisableAPD);
+IMPORT(IMDisableDim);
+
+IMPORT(OSGetSystemInfo);
+
+IMPORT_END();
+
+/* nsysnet */
+IMPORT_BEGIN(nsysnet);
+
+IMPORT(socket_lib_init);
+IMPORT(getaddrinfo);
+IMPORT(freeaddrinfo);
+IMPORT(getnameinfo);
+IMPORT(inet_ntoa);
+IMPORT(inet_ntop);
+IMPORT(inet_aton);
+IMPORT(inet_pton);
+IMPORT(ntohl);
+IMPORT(ntohs);
+IMPORT(htonl);
+IMPORT(htons);
+IMPORT(accept);
+IMPORT(bind);
+IMPORT(socketclose);
+IMPORT(connect);
+IMPORT(getpeername);
+IMPORT(getsockname);
+IMPORT(getsockopt);
+IMPORT(listen);
+IMPORT(recv);
+IMPORT(recvfrom);
+IMPORT(send);
+IMPORT(sendto);
+IMPORT(setsockopt);
+IMPORT(shutdown);
+IMPORT(socket);
+IMPORT(select);
+IMPORT(socketlasterr);
+
+IMPORT_END();
+
+/* gx2 */
+IMPORT_BEGIN(gx2);
+
+IMPORT(GX2Invalidate);
+IMPORT(GX2Init);
+IMPORT(GX2GetSystemTVScanMode);
+IMPORT(GX2CalcTVSize);
+IMPORT(GX2SetTVBuffer);
+IMPORT(GX2CalcDRCSize);
+IMPORT(GX2SetDRCBuffer);
+IMPORT(GX2CalcSurfaceSizeAndAlignment);
+IMPORT(GX2InitColorBufferRegs);
+IMPORT(GX2SetupContextStateEx);
+IMPORT(GX2SetContextState);
+IMPORT(GX2SetColorBuffer);
+IMPORT(GX2SetViewport);
+IMPORT(GX2SetScissor);
+IMPORT(GX2SetDepthOnlyControl);
+IMPORT(GX2SetColorControl);
+IMPORT(GX2SetBlendControl);
+IMPORT(GX2SetBlendConstantColor);
+IMPORT(GX2SetCullOnlyControl);
+IMPORT(GX2CalcFetchShaderSizeEx);
+IMPORT(GX2InitFetchShaderEx);
+IMPORT(GX2SetFetchShader);
+IMPORT(GX2SetVertexShader);
+IMPORT(GX2SetPixelShader);
+IMPORT(GX2SetGeometryShader);
+IMPORT(GX2SetGeometryUniformBlock);
+IMPORT(GX2SetVertexUniformBlock);
+IMPORT(GX2SetPixelUniformBlock);
+IMPORT(GX2CalcGeometryShaderInputRingBufferSize);
+IMPORT(GX2CalcGeometryShaderOutputRingBufferSize);
+IMPORT(GX2SetGeometryShaderInputRingBuffer);
+IMPORT(GX2SetGeometryShaderOutputRingBuffer);
+IMPORT(GX2SetShaderModeEx);
+IMPORT(GX2SetAttribBuffer);
+IMPORT(GX2InitTextureRegs);
+IMPORT(GX2InitSampler);
+IMPORT(GX2SetPixelTexture);
+IMPORT(GX2SetPixelSampler);
+IMPORT(GX2ClearColor);
+IMPORT(GX2CopyColorBufferToScanBuffer);
+IMPORT(GX2SwapScanBuffers);
+IMPORT(GX2Flush);
+IMPORT(GX2WaitForVsync);
+IMPORT(GX2SetTVEnable);
+IMPORT(GX2SetDRCEnable);
+IMPORT(GX2SetSwapInterval);
+IMPORT(GX2DrawDone);
+IMPORT(GX2Shutdown);
+IMPORT(GX2DrawEx);
+IMPORT(GX2WaitForFlip);
+IMPORT(GX2GetSwapStatus);
+
+IMPORT_END();
+
+/* nn_ac */
+IMPORT_BEGIN(nn_ac);
+IMPORT(ACInitialize);
+IMPORT(ACFinalize);
+IMPORT(ACConnect);
+IMPORT(ACClose);
+IMPORT(ACGetAssignedAddress);
+IMPORT(ACGetAssignedSubnet);
+IMPORT(Initialize__Q2_2nn3actFv);
+IMPORT(GetSlotNo__Q2_2nn3actFv);
+IMPORT(GetDefaultAccount__Q2_2nn3actFv);
+IMPORT(Finalize__Q2_2nn3actFv);
+IMPORT_END();
+
+/* proc_ui */
+IMPORT_BEGIN(proc_ui);
+
+IMPORT(ProcUIInit);
+IMPORT(ProcUIShutdown);
+IMPORT(ProcUIDrawDoneRelease);
+IMPORT(ProcUIProcessMessages);
+
+IMPORT_END();
+
+/* sndcore2 */
+IMPORT_BEGIN(sndcore2);
+
+IMPORT(AXInitWithParams);
+IMPORT(AXQuit);
+IMPORT(AXRegisterFrameCallback);
+IMPORT(AXAcquireMultiVoice);
+IMPORT(AXSetMultiVoiceDeviceMix);
+IMPORT(AXSetMultiVoiceOffsets);
+IMPORT(AXSetMultiVoiceCurrentOffset);
+IMPORT(AXSetMultiVoiceState);
+IMPORT(AXSetMultiVoiceVe);
+IMPORT(AXSetMultiVoiceSrcType);
+IMPORT(AXSetMultiVoiceSrcRatio);
+IMPORT(AXIsMultiVoiceRunning);
+IMPORT(AXFreeMultiVoice);
+
+IMPORT_END();
+
+/* sysapp */
+IMPORT_BEGIN(sysapp);
+
+IMPORT(SYSRelaunchTitle);
+IMPORT(_SYSGetSystemApplicationTitleId);
+IMPORT(SYSLaunchMenu);
+IMPORT(_SYSLaunchMenuWithCheckingAccount);
+
+IMPORT_END();
+
+/* vpad */
+IMPORT_BEGIN(vpad);
+
+IMPORT(VPADRead);
+IMPORT(VPADInit);
+IMPORT(VPADGetTPCalibratedPoint);
+
+IMPORT_END();
+
+
+/* nsyskbd */
+IMPORT_BEGIN(zlib125);
+
+IMPORT(inflateInit_);
+IMPORT(inflate);
+IMPORT(inflateEnd);
+
+IMPORT_END();

src/link.ld

@@ -4,14 +4,20 @@ ENTRY(_start);
 
 SECTIONS {
 	. = 0x00840000;
-	.text : {		
+	.text : {
+		*(.kernel_code*);   
 		*(.text*);
-	}
+		/* Tell linker to not garbage collect this section as it is not referenced anywhere */
+		KEEP(*(.kernel_code*));
+    }
 	.data : {
 		*(.rodata*);
 		*(.data*);
+		*(.sdata*);
 		*(.bss*);
+		*(.sbss*);
 	}
+    __CODE_END = .;
 	/DISCARD/ : {
 		*(*);
 	}