Version 0.5

README.md

@@ -73,6 +73,11 @@ in-region titles.
 Displays info about several parts of the system.  
 Including serial number, manufacturing date, console type, regions, memory devices...
 
+### Submit System Data
+Allows submitting system information to an online database to collect various statistics about Wii U consoles.  
+This is entirely optional and personally identifying information will be kept confidential.  
+[The database can be found here!](https://wiiu.gerbilsoft.com/)
+
 ## Building
 ```bash
 # build the docker container

ios_kernel/source/main.c

@@ -73,6 +73,9 @@ int _main(void* arg)
     // patch MCP_SetSysProdSettings debug mode check
     *(volatile uint32_t*) (0x05024648 - 0x05000000 + 0x081c0000) = 0x20002000; // mov r0, #0; mov r0, #0
 
+    // nop out odm log to not spam logs when stopping drive
+    *(volatile uint32_t*) 0x1073880c = 0xe12fff1e; // bx lr
+
     restore_mmu(control_register);
 
     // invalidate all cache

ios_mcp/imports.ld

@@ -11,6 +11,7 @@ PROVIDE(strncmp = 0x05055e10);
 PROVIDE(usleep = 0x050564e4);
 
 PROVIDE(bspGetHardwareVersion = 0x0503d6e8);
+PROVIDE(bspInit = 0x0503d35c);
 PROVIDE(bspWrite = 0x0503d460);
 PROVIDE(bspRead = 0x0503d550);
 

ios_mcp/source/imports.h

@@ -68,6 +68,7 @@ typedef enum BSPHardwareVersions {
 
 int bspGetHardwareVersion(uint32_t* version);
 
+int bspInit(const char* entity, uint32_t instance, const char* attribute, uint32_t size, const void* buffer);
 int bspWrite(const char* entity, uint32_t instance, const char* attribute, uint32_t size, const void* buffer);
 int bspRead(const char* entity, uint32_t instance, const char* attribute, uint32_t size, void* buffer);
 
@@ -108,7 +109,6 @@ int IOS_Syscall0x81(int type, uint32_t address, uint32_t value);
 
 // context: 0x70-byte buffer for chaining hash calls together
 #define IOSC_HASH_CONTEXT_SIZE      0x70
-// NOTE: These flags generate an SHA-256 hash, not SHA-1.
 #define IOSC_HASH_FLAGS_SHA1_INIT       0x000
 #define IOSC_HASH_FLAGS_SHA1_UPDATE     0x001
 #define IOSC_HASH_FLAGS_SHA1_FINALIZE   0x002

ios_mcp/source/menu.c

@@ -161,7 +161,7 @@ int drawMenu(const char* title, const Menu* menu, size_t count,
     uint8_t cur_flag = 0;
     uint8_t flag = 0;
     while (1) {
-        readSystemEventFlag(&flag);
+        SMC_ReadSystemEventFlag(&flag);
         if (cur_flag != flag) {
             if (flag & SYSTEM_EVENT_FLAG_EJECT_BUTTON) {
                 prev_selected = selected;
@@ -212,7 +212,7 @@ void waitButtonInput(void)
     uint8_t flag = 0;
 
     while (1) {
-        readSystemEventFlag(&flag);
+        SMC_ReadSystemEventFlag(&flag);
         if (cur_flag != flag) {
             if ((flag & SYSTEM_EVENT_FLAG_EJECT_BUTTON) || (flag & SYSTEM_EVENT_FLAG_POWER_BUTTON)) {
                 return;
@@ -937,29 +937,30 @@ int menuThread(void* arg)
     printf("menuThread running\n");
 
     // set LED to purple-orange blinking
-    setNotificationLED(NOTIF_LED_RED | NOTIF_LED_RED_BLINKING | NOTIF_LED_BLUE | NOTIF_LED_BLUE_BLINKING | NOTIF_LED_ORANGE);
+    SMC_SetNotificationLED(NOTIF_LED_RED | NOTIF_LED_RED_BLINKING | NOTIF_LED_BLUE | NOTIF_LED_BLUE_BLINKING | NOTIF_LED_ORANGE);
 
     // stop ppcHeartbeatThread and reset PPC
     IOS_CancelThread(ppcHeartBeatThreadId, 0);
     resetPPC();
 
     // cut power to the disc drive to not eject a disc every eject press
-    setDrivePower(0);
+    SMC_SetODDPower(0);
 
 #ifdef DC_INIT
+    // (re-)init the graphics subsystem
+    GFX_SubsystemInit(0);
+
     /* Note: CONFIGURATION_0 is 720p instead of 480p,
        but doesn't shut down the GPU properly? The
        GamePad just stays connected after calling iOS_Shutdown.
        To be safe, let's use CONFIGURATION_1 for now */
-
-    // init display output
-    initDisplay(DC_CONFIGURATION_1);
+    DISPLAY_DCInit(DC_CONFIGURATION_1);
 
     /* Note about the display configuration struct:
        The returned framebuffer address seems to be AV out only?
        Writing to the hardcoded addresses in gfx.c works for HDMI though */
-    //DisplayController_Config dc_config;
-    //readDCConfig(&dc_config);
+    DC_Config dc_config;
+    DISPLAY_ReadDCConfig(&dc_config);
 #endif
 
     // initialize the font
@@ -982,7 +983,7 @@ int menuThread(void* arg)
     }
 
     // set LED to purple
-    setNotificationLED(NOTIF_LED_RED | NOTIF_LED_BLUE);
+    SMC_SetNotificationLED(NOTIF_LED_RED | NOTIF_LED_BLUE);
 
     int selected = 0;
     while (1) {

ios_mcp/source/menu.h

@@ -17,11 +17,11 @@
 
 #pragma once
 
-#define VERSION_STRING "0.4+"
-
 #include <stddef.h>
 #include <stdint.h>
 
+#define VERSION_STRING "0.5"
+
 // FSA handle
 // Initialized by menuThread().
 extern int fsaHandle;

ios_mcp/source/socket.h

@@ -4,7 +4,7 @@
 #include <stdint.h>
 #include <stdio.h>
 
-#define SOL_SOCKET  0xFFFF
+#define SOL_SOCKET  -1
 
 #define PF_UNSPEC   0
 #define PF_INET     2

ios_mcp/source/utils.c

@@ -46,11 +46,6 @@ int resetPPC(void)
     return 0;
 }
 
-int readSystemEventFlag(uint8_t* flag)
-{
-    return bspRead("SMC", 0, "SystemEventFlag", 1, flag);
-}
-
 int copy_file(int fsaFd, const char* src, const char* dst)
 {
     int readHandle;
@@ -86,22 +81,32 @@ int copy_file(int fsaFd, const char* src, const char* dst)
     return (res > 0) ? 0 : res;
 }
 
-int initDisplay(uint32_t configuration)
+int GFX_SubsystemInit(uint8_t unk)
+{
+    return bspInit("GFX", 0, "subsystem", 1, &unk);
+}
+
+int DISPLAY_DCInit(uint32_t configuration)
 {
     return bspWrite("DISPLAY", 0, "DC_INIT", 4, &configuration);
 }
 
-int readDCConfig(DisplayController_Config* config)
+int DISPLAY_ReadDCConfig(DC_Config* config)
 {
-    return bspRead("DISPLAY", 0, "DC_CONFIG", 0x14, config);
+    return bspRead("DISPLAY", 0, "DC_CONFIG", sizeof(DC_Config), config);
 }
 
-int setNotificationLED(uint8_t mask)
+int SMC_ReadSystemEventFlag(uint8_t* flag)
+{
+    return bspRead("SMC", 0, "SystemEventFlag", 1, flag);
+}
+
+int SMC_SetNotificationLED(uint8_t mask)
 {
     return bspWrite("SMC", 0, "NotificationLED", 1, &mask);
 }
 
-int setDrivePower(int power)
+int SMC_SetODDPower(int power)
 {
     return bspWrite("SMC", 0, "ODDPower", 4, &power);
 }

ios_mcp/source/utils.h

@@ -1,5 +1,6 @@
 #pragma once
 #include <stdint.h>
+#include <assert.h>
 
 /**
  * Number of elements in an array.
@@ -31,13 +32,14 @@ enum {
     DC_CONFIGURATION_1,
 };
 
-typedef struct DisplayController_Config {
+typedef struct DC_Config {
     uint32_t id;
     uint32_t field_0x4;
     int width;
     int height;
     void* framebuffer;
-} DisplayController_Config;
+} DC_Config;
+static_assert(sizeof(DC_Config) == 0x14);
 
 enum {
     NOTIF_LED_OFF               = 0,
@@ -57,14 +59,16 @@ int EEPROM_Read(uint16_t offset, uint16_t num, uint16_t* buf);
 
 int resetPPC(void);
 
-int readSystemEventFlag(uint8_t* flag);
-
 int copy_file(int fsaFd, const char* src, const char* dst);
 
-int initDisplay(uint32_t configuration);
+int GFX_SubsystemInit(uint8_t unk);
 
-int readDCConfig(DisplayController_Config* config);
+int DISPLAY_DCInit(uint32_t configuration);
 
-int setNotificationLED(uint8_t mask);
+int DISPLAY_ReadDCConfig(DC_Config* config);
 
-int setDrivePower(int power);
+int SMC_ReadSystemEventFlag(uint8_t* flag);
+
+int SMC_SetNotificationLED(uint8_t mask);
+
+int SMC_SetODDPower(int power);