Add PSP/GameCube/Wii save-device availability checks

PSP checks memory-stick reachability via sceIoGetstat. GameCube gets two devices (CARD_SLOTA/CARD_SLOTB), each mounted via CARD_Init/CARD_Mount and checked for free space via CARD_GetDirectory/CARD_GetBlockCount. Wii picks between three storage methods at compile time (DUSK_SAVE_WII_METHOD = NAND/CARD/SD in wii.cmake, default NAND via ISFS) since real hardware behavior for the default is unverified. Also fixes two pre-existing bugs found while build/runtime-testing this across PPSSPP and Dolphin: wrong libogc language macros in systemGetLocaleDolphin, and a missing SYS_STDIO_Report(true) call that silently swallowed all guest console output in Dolphin. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-14 16:20:28 -05:00
parent 45331c2a60
commit d7223d7387
16 changed files with 670 additions and 2 deletions
@@ -0,0 +1,60 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "error/error.h"
+#include <ogc/isfs.h>
+
+// A private namespace under /title on the Wii's internal NAND, used purely
+// as ISFS storage - not a real installed title/ticket. Only reachable
+// because the Homebrew Channel's <ahb_access/> grants full hardware access,
+// which also disables IOS's normal ES rights checking for the running app;
+// this hasn't been confirmed against real hardware yet (see project memory
+// for the caveat - Dolphin's NAND emulation may not reproduce the same
+// rights-check behavior as a real Wii/vWii).
+#ifndef SAVE_DEVICE_DOLPHIN_NAND_DIR
+  #define SAVE_DEVICE_DOLPHIN_NAND_DIR "/title/00010001/44555348/data"
+#endif
+
+typedef struct {
+  bool_t initialized;
+} savedeviceplatform_t;
+
+typedef struct savedevice_s savedevice_t;
+
+/**
+ * Initializes the save device platform.
+ *
+ * @param device The save device platform to initialize.
+ * @return Error state if any.
+ */
+errorret_t saveDeviceDolphinNandInit(savedevice_t *device);
+
+/**
+ * Updates the save device platform.
+ *
+ * @param device The save device platform to update.
+ * @return Error state if any.
+ */
+errorret_t saveDeviceDolphinNandUpdate(savedevice_t *device);
+
+/**
+ * Requests the device to check its availability, this will call the callback
+ * whence completed. Brings up ISFS and confirms our private save directory
+ * exists (creating it on first run).
+ *
+ * @param device The save device platform to check availability.
+ */
+void saveDeviceDolphinNandCheckAvailability(savedevice_t *device);
+
+/**
+ * Disposes of the save device platform.
+ *
+ * @param device The save device platform to dispose.
+ * @return Error state if any.
+ */
+errorret_t saveDeviceDolphinNandDispose(savedevice_t *device);