Add initial libmocha support

Dockerfile

@@ -1,3 +1,5 @@
 FROM wiiuenv/devkitppc:20220724
 
+COPY --from=wiiuenv/libmocha:20220722 /artifacts $DEVKITPRO
+
 WORKDIR project

Makefile

@@ -36,14 +36,13 @@ CXXFLAGS	:= $(CFLAGS)
 ASFLAGS	:=	-g $(ARCH)
 LDFLAGS	=	-g $(ARCH) $(RPXSPECS) --entry=_start -Wl,-Map,$(notdir $*.map)
 
-LIBS	:= -lwut
+LIBS	:= -lwut -lmocha
 
 #-------------------------------------------------------------------------------
 # list of directories containing libraries, this must be the top level
 # containing include and lib
 #-------------------------------------------------------------------------------
-LIBDIRS	:= $(PORTLIBS) $(WUT_ROOT)
+LIBDIRS	:= $(PORTLIBS) $(WUT_ROOT) $(WUT_ROOT)/usr
-
 
 #-------------------------------------------------------------------------------
 # no real need to edit anything past this point unless you need to add additional

source/common/ipc_defs.h

@@ -12,115 +12,6 @@
     static_assert(offsetof(Type, Field) == Offset, \
                   #Type "::" #Field " must be at offset " #Offset)
 
-typedef struct __attribute__((packed)) {
-    uint64_t title_id;
-    uint64_t boss_id;
-    uint64_t os_version;
-    uint64_t app_size;
-    uint64_t common_save_size;
-    uint64_t account_save_size;
-    uint64_t common_boss_size;
-    uint64_t account_boss_size;
-    uint64_t join_game_mode_mask;
-    uint32_t version;
-    char product_code[32];
-    char content_platform[32];
-    char company_code[8];
-    char mastering_date[32];
-    uint32_t logo_type;
-    uint32_t app_launch_type;
-    uint32_t invisible_flag;
-    uint32_t no_managed_flag;
-    uint32_t no_event_log;
-    uint32_t no_icon_database;
-    uint32_t launching_flag;
-    uint32_t install_flag;
-    uint32_t closing_msg;
-    uint32_t title_version;
-    uint32_t group_id;
-    uint32_t save_no_rollback;
-    uint32_t bg_daemon_enable;
-    uint32_t join_game_id;
-    uint32_t olv_accesskey;
-    uint32_t wood_tin;
-    uint32_t e_manual;
-    uint32_t e_manual_version;
-    uint32_t region;
-    uint32_t pc_cero;
-    uint32_t pc_esrb;
-    uint32_t pc_bbfc;
-    uint32_t pc_usk;
-    uint32_t pc_pegi_gen;
-    uint32_t pc_pegi_fin;
-    uint32_t pc_pegi_prt;
-    uint32_t pc_pegi_bbfc;
-    uint32_t pc_cob;
-    uint32_t pc_grb;
-    uint32_t pc_cgsrr;
-    uint32_t pc_oflc;
-    uint32_t pc_reserved0;
-    uint32_t pc_reserved1;
-    uint32_t pc_reserved2;
-    uint32_t pc_reserved3;
-    uint32_t ext_dev_nunchaku;
-    uint32_t ext_dev_classic;
-    uint32_t ext_dev_urcc;
-    uint32_t ext_dev_board;
-    uint32_t ext_dev_usb_keyboard;
-    uint32_t ext_dev_etc;
-    char ext_dev_etc_name[512];
-    uint32_t eula_version;
-    uint32_t drc_use;
-    uint32_t network_use;
-    uint32_t online_account_use;
-    uint32_t direct_boot;
-    uint32_t reserved_flag0;
-    uint32_t reserved_flag1;
-    uint32_t reserved_flag2;
-    uint32_t reserved_flag3;
-    uint32_t reserved_flag4;
-    uint32_t reserved_flag5;
-    uint32_t reserved_flag6;
-    uint32_t reserved_flag7;
-    char longname_ja[512];
-    char longname_en[512];
-    char longname_fr[512];
-    char longname_de[512];
-    char longname_it[512];
-    char longname_es[512];
-    char longname_zhs[512];
-    char longname_ko[512];
-    char longname_nl[512];
-    char longname_pt[512];
-    char longname_ru[512];
-    char longname_zht[512];
-    char shortname_ja[256];
-    char shortname_en[256];
-    char shortname_fr[256];
-    char shortname_de[256];
-    char shortname_it[256];
-    char shortname_es[256];
-    char shortname_zhs[256];
-    char shortname_ko[256];
-    char shortname_nl[256];
-    char shortname_pt[256];
-    char shortname_ru[256];
-    char shortname_zht[256];
-    char publisher_ja[256];
-    char publisher_en[256];
-    char publisher_fr[256];
-    char publisher_de[256];
-    char publisher_it[256];
-    char publisher_es[256];
-    char publisher_zhs[256];
-    char publisher_ko[256];
-    char publisher_nl[256];
-    char publisher_pt[256];
-    char publisher_ru[256];
-    char publisher_zht[256];
-    uint32_t add_on_unique_id[32];
-} ACPMetaXml;
-
 typedef struct __attribute__((packed)) {
     uint32_t group;
     uint64_t mask;
@@ -223,10 +114,4 @@ typedef struct {
     unsigned char unk3[0x12D8 - 0x68];
 } MCPLoadFileRequest;
 
-#define IPC_CUSTOM_START_MCP_THREAD       0xFE
+#define MOCHA_API_VERSION 1
-#define IPC_CUSTOM_MEN_RPX_HOOK_COMPLETED 0xFD
-#define IPC_CUSTOM_LOAD_CUSTOM_RPX        0xFC
-#define IPC_CUSTOM_START_USB_LOGGING      0xFA
-#define IPC_CUSTOM_COPY_ENVIRONMENT_PATH  0xF9
-
-#define LOAD_FILE_TARGET_SD_CARD          0

source/ios_mcp/Makefile

@@ -53,7 +53,7 @@ LIBS	:= -lgcc
 # list of directories containing libraries, this must be the top level
 # containing include and lib
 #-------------------------------------------------------------------------------
-LIBDIRS	:= 
+LIBDIRS	:= $(DEVKITPRO)/wut/usr
 
 #---------------------------------------------------------------------------------
 # no real need to edit anything past this point unless you need to add additional

source/ios_mcp/source/mcp_loadfile.c

@@ -23,6 +23,7 @@
 #include "ipc_types.h"
 #include "logger.h"
 #include "svc.h"
+#include <mocha/commands.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -31,7 +32,6 @@ int (*const MCP_DoLoadFile)(const char *path, const char *path2, void *outputBuf
 
 static int MCP_LoadCustomFile(int target, char *path, int filesize, int fileoffset, void *out_buffer, int buffer_len, int pos);
 
-static bool usbLoggingEnabled     = false;
 static bool replace_valid         = false;
 static bool skipPPCSetup          = false;
 static bool doWantReplaceRPX      = false;
@@ -44,7 +44,7 @@ static char rpxpath[256];
 #define FAIL_ON(cond, val)         \
     if (cond) {                    \
         log(#cond " (%08X)", val); \
-        return -29;                \
+        return 29;                 \
     }
 
 int _MCP_LoadFile_patch(ipcmessage *msg) {
@@ -60,10 +60,10 @@ int _MCP_LoadFile_patch(ipcmessage *msg) {
     //DEBUG_FUNCTION_LINE("msg->ioctl.buffer_io = %p, msg->ioctl.length_io = 0x%X\n", msg->ioctl.buffer_io, msg->ioctl.length_io);
     //DEBUG_FUNCTION_LINE("request->type = %d, request->pos = %d, request->name = \"%s\"\n", request->type, request->pos, request->name);
 
-    int replace_target     = replace_target_device;
+    LoadRPXTargetEnum replace_target = replace_target_device;
-    int replace_filesize   = rep_filesize;
+    int replace_filesize             = rep_filesize;
-    int replace_fileoffset = rep_fileoffset;
+    int replace_fileoffset           = rep_fileoffset;
-    char *replace_path     = rpxpath;
+    char *replace_path               = rpxpath;
 
     if (strlen(request->name) > 1 && request->name[strlen(request->name) - 1] == 'x') {
         if (strncmp(request->name, "safe.rpx", strlen("safe.rpx")) != 0) {
@@ -88,14 +88,14 @@ int _MCP_LoadFile_patch(ipcmessage *msg) {
         // The replacement may restart the application to execute a kernel exploit.
         // The men.rpx is hooked until the "IPC_CUSTOM_MEN_RPX_HOOK_COMPLETED" command is passed to IOCTL 0x100.
         // If the loading of the replacement file fails, the Wii U Menu is loaded normally.
-        replace_target     = LOAD_FILE_TARGET_SD_CARD;
+        replace_target     = LOAD_RPX_TARGET_SD_CARD;
         replace_filesize   = 0; // unknown
         replace_fileoffset = 0;
     } else if (strncmp(request->name, "safe.rpx", strlen("safe.rpx")) == 0) {
         // if we don't explicitly replace files, we do want replace the Health and Safety app with the HBL
         if (request->pos == 0 && !doWantReplaceRPX) {
             replace_path   = "wiiu/apps/homebrew_launcher/homebrew_launcher.rpx";
-            replace_target = LOAD_FILE_TARGET_SD_CARD;
+            replace_target = LOAD_RPX_TARGET_SD_CARD;
             //doWantReplaceXML = false;
             doWantReplaceRPX   = true;
             replace_filesize   = 0; // unknown
@@ -134,7 +134,7 @@ static int MCP_LoadCustomFile(int target, char *path, int filesize, int fileoffs
 
     char mountpath[] = "/vol/storage_iosu_homebrew";
 
-    if (target == LOAD_FILE_TARGET_SD_CARD) {
+    if (target == LOAD_RPX_TARGET_SD_CARD) {
         int fsa_h     = svcOpen("/dev/fsa", 0);
         int mount_res = FSA_Mount(fsa_h, "/dev/sdcard01", mountpath, 2, NULL, 0);
         svcClose(fsa_h);
@@ -162,7 +162,7 @@ static int MCP_LoadCustomFile(int target, char *path, int filesize, int fileoffs
         }
     }
 
-    if (result < 0x400000 && target == LOAD_FILE_TARGET_SD_CARD) {
+    if (result < 0x400000 && target == LOAD_RPX_TARGET_SD_CARD) {
         int fsa_h       = svcOpen("/dev/fsa", 0);
         int unmount_res = FSA_Unmount(fsa_h, mountpath, 0x80000002);
         svcClose(fsa_h);
@@ -270,7 +270,15 @@ int _MCP_ioctl100_patch(ipcmessage *msg) {
                 DEBUG_FUNCTION_LINE("IPC_CUSTOM_LOAD_CUSTOM_RPX\n");
 
                 if (msg->ioctl.length_in >= 0x110) {
-                    int target     = msg->ioctl.buffer_in[0x04 / 0x04];
+                    int target = msg->ioctl.buffer_in[0x04 / 0x04];
+                    if (target == LOAD_RPX_TARGET_EXTRA_REVERT_PREPARE) {
+                        doWantReplaceRPX = false;
+                        replace_valid    = false;
+                        return 0;
+                    }
+                    if (target != LOAD_RPX_TARGET_SD_CARD) {
+                        return 29;
+                    }
                     int filesize   = msg->ioctl.buffer_in[0x08 / 0x04];
                     int fileoffset = msg->ioctl.buffer_in[0x0C / 0x04];
                     char *str_ptr  = (char *) &msg->ioctl.buffer_in[0x10 / 0x04];
@@ -285,11 +293,15 @@ int _MCP_ioctl100_patch(ipcmessage *msg) {
                     replace_valid = true;
 
                     DEBUG_FUNCTION_LINE("Will load %s for next title from target: %d (offset %d, filesize %d)\n", rpxpath, target, rep_fileoffset, rep_filesize);
+                    return 0;
+                } else {
+                    return 29;
                 }
                 break;
             }
             case IPC_CUSTOM_START_MCP_THREAD: {
                 _startMainThread();
+                return 0;
                 break;
             }
             case IPC_CUSTOM_COPY_ENVIRONMENT_PATH: {
@@ -328,15 +340,26 @@ int _MCP_ioctl100_patch(ipcmessage *msg) {
                     svcClose(handle);
                 }
 
-                // Kill existing syslogs to avoid long catch up
+                bool showCompleteLog = msg->ioctl.buffer_in && msg->ioctl.length_in >= 0x08 && msg->ioctl.buffer_in[1] == 1;
-                uint32_t *bufferPtr = (uint32_t *) (*(uint32_t *) 0x05095ecc);
+                if (!showCompleteLog) {
-                bufferPtr[0]        = 0;
+                    // Kill existing syslogs to avoid long catch up
-                bufferPtr[1]        = 0;
+                    uint32_t *bufferPtr = (uint32_t *) (*(uint32_t *) 0x05095ecc);
-
+                    bufferPtr[0]        = 0;
-                usbLoggingEnabled = true;
+                    bufferPtr[1]        = 0;
+                }
 
                 break;
             }
+            case IPC_CUSTOM_GET_MOCHA_API_VERSION: {
+                if (msg->ioctl.buffer_io && msg->ioctl.length_io >= 8) {
+                    msg->ioctl.buffer_io[0] = 0xCAFEBABE;
+                    msg->ioctl.buffer_io[1] = MOCHA_API_VERSION;
+                    return 0;
+                } else {
+                    return 29;
+                }
+                break;
+            }
             default: {
             }
         }

source/main.cpp

@@ -5,6 +5,7 @@
 #include <coreinit/ios.h>
 #include <cstdio>
 #include <cstring>
+#include <mocha/commands.h>
 #include <sysapp/title.h>
 #include <whb/log.h>
 #include <whb/log_udp.h>