Better commenting

injector/source/patcher.c

@@ -73,6 +73,7 @@ static int fileOpen(IFile *file, FS_ArchiveID id, const char *path, int flags)
     ppath.type = PATH_ASCII;
     ppath.data = path;
     ppath.size = len+1;
+
     return IFile_Open(file, archive, ppath, flags);
 }
 
@@ -109,16 +110,16 @@ static int loadConfig()
     ret = fileOpen(&file, ARCHIVE_SDMC, "/aurei/config.bin", FS_OPEN_READ);
     if(R_SUCCEEDED(ret))
     {
-        ret = IFile_Read(&file, &total, (void *)&config, 3);
+        ret = IFile_Read(&file, &total, &config, 3);
         IFile_Close(&file);
     }
 
     return ret;
 }
 
-void patchCode(u64 progid, u8 *code, u32 size)
+void patchCode(u64 progId, u8 *code, u32 size)
 {
-    switch(progid)
+    switch(progId)
     {
         case 0x0004003000008F02LL: // USA Menu
         case 0x0004003000008202LL: // EUR Menu

injector/source/patcher.h

@@ -2,4 +2,4 @@
 
 #include <3ds/types.h>
 
-void patchCode(u64 progid, u8 *code, u32 size);
+void patchCode(u64 progId, u8 *code, u32 size);

patches/reboot.s

@@ -2,7 +2,7 @@
 
 firm_addr equ 0x24000000  ; Temporary location where we'll load the FIRM to
 firm_maxsize equ 0x200000  ; Random value that's bigger than any of the currently known firm's sizes.
-kernel_code equ 0x080F0000
+kernel_code equ 0x080F0000 ; Offset to copy the Kernel9 code to
 
 .create "reboot.bin", 0
 .arm

source/emunand.c

@@ -24,6 +24,7 @@ u32 getEmunandSect(u32 *off, u32 *head, u32 *emuNAND)
             *off = nandOffset + 1;
             *head = nandOffset + 1;
         }
+
         //Check for Gateway emuNAND
         else if(sdmmc_sdcard_readsectors(nandOffset + nandSize, 1, temp) == 0)
         {
@@ -32,15 +33,19 @@ u32 getEmunandSect(u32 *off, u32 *head, u32 *emuNAND)
                 *off = nandOffset;
                 *head = nandOffset + nandSize;
             }
-            //Fallback to the first emuNAND if there's no second one
+
+            /* Fallback to the first emuNAND if there's no second one,
+               or to SysNAND if there isn't any */
             else
             {
                 (*emuNAND)--;
                 if(*emuNAND) getEmunandSect(off, head, emuNAND);
+
                 return 0;
             }
         }
     }
+
     return 1;
 }
 

source/firm.c

@@ -100,7 +100,7 @@ void setupCFW(void)
             //Flag to prevent multiple boot options-forcing
             tempConfig |= 1 << 15;
         }
-        /* Else, force the last used boot options unless A/L/R/SELECT are pressed
+        /* Else, force the last used boot options unless a payload button or A/L/R are pressed
            or the no-forcing flag is set */
         else if(!(pressed & OVERRIDE_BUTTONS) && !((config >> 15) & 1))
         {
@@ -113,7 +113,7 @@ void setupCFW(void)
     //Boot options aren't being forced
     if(needConfig)
     {
-        /* If L and one of the payload buttons are pressed, and if not using A9LH
+        /* If L and R/Select or one of the single payload buttons are pressed and, if not using A9LH,
            the Safe Mode combo is not pressed, chainload an external payload */
         if(((pressed & SINGLE_PAYLOAD_BUTTONS) || ((pressed & BUTTON_L1) && (pressed & L_PAYLOAD_BUTTONS)))
            && pressed != SAFE_MODE)
@@ -167,6 +167,7 @@ void setupCFW(void)
             mode = 1;
             continue;
         }
+
         break;
     }
 
@@ -196,6 +197,7 @@ void loadFirm(void)
         if(memcmp(firm, "FIRM", 4) != 0)
             error("Couldn't decrypt NAND FIRM0 (O3DS not on 9.x?)");
     }
+
     //Load FIRM from SD
     else
     {
@@ -276,7 +278,7 @@ static inline void patchTwlAgb(u32 whichFirm)
         {{0xD7A12, 0xD8B8A}, { .type1 = 0xEF26 }, 1}
     };
 
-    /* Calculate the amount of patches to apply. Only count the splash screen patch for AGB_FIRM
+    /* Calculate the amount of patches to apply. Only count the boot screen patch for AGB_FIRM
        if the matching option was enabled (keep it as last) */
     u32 numPatches = whichFirm ? (sizeof(agbPatches) / sizeof(struct patchData)) - !((config >> 6) & 1) :
                                  (sizeof(twlPatches) / sizeof(struct patchData));

source/utils.c

@@ -32,6 +32,7 @@ static u32 waitInput(void)
     do {
         //Wait for a key to be pressed
         while(!HID_PAD);
+
         key = HID_PAD;
 
         //Make sure it's pressed
@@ -59,7 +60,7 @@ void configureCFW(const char *configPath, const char *patchedFirms[])
                                   "( ) Use 9.0 FIRM as default",
                                   "( ) Use second EmuNAND as default",
                                   "( ) Show current NAND in System Settings",
-                                  "( ) Show splash screen in patched AGB_FIRM" };
+                                  "( ) Show GBA boot screen in patched AGB_FIRM" };
 
     u32 optionsAmount = sizeof(optionsText) / sizeof(char *);
     struct option options[optionsAmount];
@@ -115,7 +116,7 @@ void configureCFW(const char *configPath, const char *patchedFirms[])
     //If the user has been using A9LH and the "Updated SysNAND" setting changed, delete the patched 9.0 FIRM
     if(((tempConfig >> 16) & 1) && ((tempConfig & 1) != options[0].enabled)) fileDelete(patchedFirms[3]);
 
-    //If the "Show splash screen in patched AGB_FIRM" setting changed, delete the patched AGB_FIRM
+    //If the "Show GBA boot screen in patched AGB_FIRM" setting changed, delete the patched AGB_FIRM
     if(((tempConfig >> 6) & 1) != options[6].enabled) fileDelete(patchedFirms[5]);
 
     //Preserve the last-used boot options (last 12 bits)