Initial Commit

2026-01-17 19:39:53 +01:00
commit 75b2b603ab
148 changed files with 45979 additions and 0 deletions
--- a/source/libs/fatfs/diskio.c
+++ b/source/libs/fatfs/diskio.c
@@ -0,0 +1,110 @@
+/*
+ * HATS Installer - Simplified disk I/O (SD card only)
+ * Based on TegraExplorer diskio.c by shchmue
+ *
+ * This simplified version removes BIS/eMMC support since the
+ * HATS installer only needs SD card access.
+ */
+
+/*-----------------------------------------------------------------------*/
+/* Low level disk I/O module skeleton for FatFs     (C)ChaN, 2016        */
+/*-----------------------------------------------------------------------*/
+
+#include <string.h>
+
+#include <libs/fatfs/diskio.h>	/* FatFs lower layer API */
+#include <memory_map.h>
+#include <storage/nx_sd.h>
+#include <storage/sdmmc.h>
+
+/*-----------------------------------------------------------------------*/
+/* Get Drive Status                                                      */
+/*-----------------------------------------------------------------------*/
+DSTATUS disk_status (
+	BYTE pdrv /* Physical drive number to identify the drive */
+)
+{
+	return 0;
+}
+
+/*-----------------------------------------------------------------------*/
+/* Initialize a Drive                                                    */
+/*-----------------------------------------------------------------------*/
+DSTATUS disk_initialize (
+	BYTE pdrv /* Physical drive number to identify the drive */
+)
+{
+	return 0;
+}
+
+/*-----------------------------------------------------------------------*/
+/* Read Sector(s)                                                        */
+/*-----------------------------------------------------------------------*/
+DRESULT disk_read (
+	BYTE pdrv,		/* Physical drive number to identify the drive */
+	BYTE *buff,		/* Data buffer to store read data */
+	DWORD sector,	/* Start sector in LBA */
+	UINT count		/* Number of sectors to read */
+)
+{
+	if (pdrv == DRIVE_SD)
+		return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
+
+	return RES_ERROR;
+}
+
+/*-----------------------------------------------------------------------*/
+/* Write Sector(s)                                                       */
+/*-----------------------------------------------------------------------*/
+DRESULT disk_write (
+	BYTE pdrv,			/* Physical drive number to identify the drive */
+	const BYTE *buff,	/* Data to be written */
+	DWORD sector,		/* Start sector in LBA */
+	UINT count			/* Number of sectors to write */
+)
+{
+	if (pdrv == DRIVE_SD)
+		return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
+
+	return RES_ERROR;
+}
+
+/*-----------------------------------------------------------------------*/
+/* Miscellaneous Functions                                               */
+/*-----------------------------------------------------------------------*/
+static u32 part_rsvd_size = 0;
+DRESULT disk_ioctl (
+	BYTE pdrv,		/* Physical drive number (0..) */
+	BYTE cmd,		/* Control code */
+	void *buff		/* Buffer to send/receive control data */
+)
+{
+	DWORD *buf = (DWORD *)buff;
+
+	if (pdrv == DRIVE_SD)
+	{
+		switch (cmd)
+		{
+		case GET_SECTOR_COUNT:
+			*buf = sd_storage.sec_cnt - part_rsvd_size;
+			break;
+		case GET_BLOCK_SIZE:
+			*buf = 32768; // Align to 16MB.
+			break;
+		}
+	}
+	else if (pdrv == DRIVE_RAM)
+	{
+		switch (cmd)
+		{
+		case GET_SECTOR_COUNT:
+			*buf = RAM_DISK_SZ >> 9; // 1GB.
+			break;
+		case GET_BLOCK_SIZE:
+			*buf = 2048; // Align to 1MB.
+			break;
+		}
+	}
+
+	return RES_OK;
+}