-added custom sd card ogc file like we did with usb already

-proper cleaning the memory now for the devices so a ios
reload will work just fine without breaking sd/usb io

source/devicemounter/DeviceHandler.cpp

@@ -27,11 +27,11 @@
 #include <ogc/mutex.h>
 #include <ogc/system.h>
 #include <sdcard/gcsd.h>
-#include <sdcard/wiisd_io.h>
 #include "DeviceHandler.hpp"
 #include "fat.h"
-#include "sdhc.h"
 #include "usbthread.h"
+#include "sdhc.h"
+#include "wiisd_libogc.h"
 #include "usbstorage.h"
 #include "usbstorage_libogc.h"
 #include "loader/cios.h"
@@ -332,7 +332,7 @@ void DeviceHandler::WaitForDevice(const DISC_INTERFACE *Handle)
 bool DeviceHandler::MountDevolution()
 {
 	int NewPartition = (currentPartition == SD ? currentPartition : currentPartition - 1);
-	const DISC_INTERFACE *handle = (currentPartition == SD) ? &__io_wiisd : &__io_usbstorage_ogc;
+	const DISC_INTERFACE *handle = (currentPartition == SD) ? &__io_wiisd_ogc : &__io_usbstorage_ogc;
 	/* We need to wait for the device to get ready for a remount */
 	WaitForDevice(handle);
 	/* Only mount the partition we need */

source/devicemounter/sdhc.c

@@ -2,9 +2,9 @@
 #include <unistd.h>
 #include <string.h>
 #include <ogcsys.h>
-#include <sdcard/wiisd_io.h>
-#include "memory/mem2.hpp"
 #include "sdhc.h"
+#include "wiisd_libogc.h"
+#include "memory/mem2.hpp"
 
 /* IOCTL comamnds */
 #define IOCTL_SDHC_INIT		0x01
@@ -23,7 +23,7 @@ static char fs[] ATTRIBUTE_ALIGN(32) = "/dev/sdio/sdhc";
 
 static s32 hid = -1, fd = -1;
 static u32 sector_size = SDHC_SECTOR_SIZE;
-static void *sdhc_buf2;
+static void *sdhc_buf2 = NULL;
 
 bool SDHC_Init(void)
 {
@@ -33,7 +33,7 @@ bool SDHC_Init(void)
 
 	if (sdhc_mode_sd)
 	{
-		sdhc_inited = __io_wiisd.startup();
+		sdhc_inited = __io_wiisd_ogc.startup();
 		return sdhc_inited;
 	}
 
@@ -46,10 +46,8 @@ bool SDHC_Init(void)
 
 	// allocate buf2
 	if(sdhc_buf2 == NULL)
-	{
 		sdhc_buf2 = MEM2_lo_alloc(SDHC_MEM2_SIZE);
 	if(sdhc_buf2 == NULL) goto err;
-	}
 
 	/* Open SDHC device */
 	fd = IOS_Open(fs, 0);
@@ -76,15 +74,17 @@ err:
 bool SDHC_Close(void)
 {
 	sdhc_inited = 0;
-	if (sdhc_mode_sd) {
+	if(sdhc_mode_sd)
-		return __io_wiisd.shutdown();
+		return __io_wiisd_ogc.shutdown();
-	}
 
 	/* Close SDHC device */
 	if(fd >= 0) {
 		IOS_Close(fd);
 		fd = -1;
 	}
+	if(sdhc_buf2 != NULL)
+		MEM2_lo_free(sdhc_buf2);
+	sdhc_buf2 = NULL;
 
 	return true;
 }
@@ -92,9 +92,8 @@ bool SDHC_Close(void)
 bool SDHC_IsInserted(void)
 {
 	s32 ret;
-	if (sdhc_mode_sd) {
+	if(sdhc_mode_sd)
-		return __io_wiisd.isInserted();
+		return __io_wiisd_ogc.isInserted();
-	}
 
 	/* Check if SD card is inserted */
 	ret = IOS_IoctlvFormat(hid, fd, IOCTL_SDHC_ISINSERTED, ":");
@@ -105,7 +104,7 @@ bool SDHC_IsInserted(void)
 bool SDHC_ReadSectors(u32 sector, u32 count, void *buffer)
 {
 	if(sdhc_mode_sd)
-		return __io_wiisd.readSectors(sector, count, buffer);
+		return __io_wiisd_ogc.readSectors(sector, count, buffer);
 
 	u32 size;
 	s32 ret = -1;
@@ -156,7 +155,7 @@ bool SDHC_ReadSectors(u32 sector, u32 count, void *buffer)
 bool SDHC_WriteSectors(u32 sector, u32 count, void *buffer)
 {
 	if(sdhc_mode_sd)
-		return __io_wiisd.writeSectors(sector, count, buffer);
+		return __io_wiisd_ogc.writeSectors(sector, count, buffer);
 
 	u32 size;
 	s32 ret = -1;

source/devicemounter/usbstorage.c

@@ -128,6 +128,9 @@ void USBStorage2_Deinit()
 	}
 	else if(fd >= 0)
 		IOS_Close(fd);  // not sure to close the fd is needed
+	if(mem2_ptr != NULL)
+		MEM2_lo_free(mem2_ptr);
+	mem2_ptr = NULL;
 
 	/* Reset Variables */
 	if(usb2_port == 0 || usb2_port == 1)

source/devicemounter/usbstorage_libogc.c

@@ -207,9 +207,11 @@ s32 USBStorage_OGC_Initialize()
 
 	_CPU_ISR_Disable(level);
 	LWP_InitQueue(&__usbstorage_ogc_waitq);
-	if(!arena_ptr) {
+	if(arena_ptr == NULL)
 		arena_ptr = (u8*)MEM2_lo_alloc(HEAP_SIZE);
-	}
+	if(arena_ptr == NULL)
+		return IPC_ENOMEM;
+
 	__lwp_heap_init(&__heap, arena_ptr, HEAP_SIZE, 32);
 	cbw_buffer=(u8*)__lwp_heap_allocate(&__heap, 32);
 	__inited = true;
@@ -949,6 +951,9 @@ static bool __usbstorage_ogc_Shutdown(void)
 {
 	if (__vid != 0 || __pid != 0)
 		USBStorage_OGC_Close(&__usbfd);
+	if(arena_ptr != NULL)
+		MEM2_lo_free(arena_ptr);
+	arena_ptr = NULL;
 
 	return true;
 }

source/devicemounter/wiisd_libogc.c

@@ -0,0 +1,615 @@
+/*
+
+	wiisd.c
+
+	Hardware routines for reading and writing to the Wii's internal
+	SD slot.
+
+ Copyright (c) 2008
+   Michael Wiedenbauer (shagkur)
+   Dave Murphy (WinterMute)
+   Sven Peter <svpe@gmx.net>
+	
+ Redistribution and use in source and binary forms, with or without modification,
+ are permitted provided that the following conditions are met:
+
+  1. Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright notice,
+     this list of conditions and the following disclaimer in the documentation and/or
+     other materials provided with the distribution.
+  3. The name of the author may not be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#if defined(HW_RVL)
+
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <gcutil.h>
+#include <ogc/ipc.h>
+#include <unistd.h>
+#include <ogc/disc_io.h>
+#include "wiisd_libogc.h"
+#include "memory/mem2.hpp"
+#include <ogc/machine/asm.h>
+#include <ogc/machine/processor.h>
+
+#define SDIO_HEAPSIZE				(5*1024)
+
+#define PAGE_SIZE512				512
+
+#define	SDIOHCR_RESPONSE			0x10
+#define SDIOHCR_HOSTCONTROL			0x28
+#define	SDIOHCR_POWERCONTROL		0x29
+#define	SDIOHCR_CLOCKCONTROL		0x2c
+#define	SDIOHCR_TIMEOUTCONTROL		0x2e
+#define	SDIOHCR_SOFTWARERESET		0x2f
+
+#define SDIOHCR_HOSTCONTROL_4BIT	0x02
+
+#define	SDIO_DEFAULT_TIMEOUT		0xe
+
+#define IOCTL_SDIO_WRITEHCREG		0x01
+#define IOCTL_SDIO_READHCREG		0x02
+#define IOCTL_SDIO_READCREG			0x03
+#define IOCTL_SDIO_RESETCARD		0x04
+#define IOCTL_SDIO_WRITECREG		0x05
+#define IOCTL_SDIO_SETCLK			0x06
+#define IOCTL_SDIO_SENDCMD			0x07
+#define IOCTL_SDIO_SETBUSWIDTH		0x08
+#define IOCTL_SDIO_READMCREG		0x09
+#define IOCTL_SDIO_WRITEMCREG		0x0A
+#define IOCTL_SDIO_GETSTATUS		0x0B
+#define IOCTL_SDIO_GETOCR			0x0C
+#define IOCTL_SDIO_READDATA			0x0D
+#define IOCTL_SDIO_WRITEDATA		0x0E
+
+#define SDIOCMD_TYPE_BC				1
+#define SDIOCMD_TYPE_BCR			2
+#define SDIOCMD_TYPE_AC				3
+#define SDIOCMD_TYPE_ADTC			4
+
+#define SDIO_RESPONSE_NONE			0
+#define SDIO_RESPONSE_R1			1
+#define SDIO_RESPONSE_R1B			2
+#define SDIO_RESPOSNE_R2			3
+#define SDIO_RESPONSE_R3			4
+#define SDIO_RESPONSE_R4			5
+#define SDIO_RESPONSE_R5			6
+#define SDIO_RESPONSE_R6			7
+
+#define SDIO_CMD_GOIDLE				0x00
+#define	SDIO_CMD_ALL_SENDCID		0x02
+#define SDIO_CMD_SENDRCA			0x03
+#define SDIO_CMD_SELECT				0x07
+#define SDIO_CMD_DESELECT			0x07
+#define	SDIO_CMD_SENDIFCOND			0x08
+#define SDIO_CMD_SENDCSD			0x09
+#define SDIO_CMD_SENDCID			0x0A
+#define SDIO_CMD_SENDSTATUS			0x0D
+#define SDIO_CMD_SETBLOCKLEN		0x10
+#define SDIO_CMD_READBLOCK			0x11
+#define SDIO_CMD_READMULTIBLOCK		0x12
+#define SDIO_CMD_WRITEBLOCK			0x18
+#define SDIO_CMD_WRITEMULTIBLOCK	0x19
+#define SDIO_CMD_APPCMD				0x37
+
+#define SDIO_ACMD_SETBUSWIDTH		0x06
+#define SDIO_ACMD_SENDSCR			0x33
+#define	SDIO_ACMD_SENDOPCOND		0x29
+
+#define	SDIO_STATUS_CARD_INSERTED		0x1
+#define	SDIO_STATUS_CARD_INITIALIZED	0x10000
+#define SDIO_STATUS_CARD_SDHC			0x100000
+
+#define READ_BL_LEN					((u8)(__sd0_csd[5]&0x0f))
+#define WRITE_BL_LEN				((u8)(((__sd0_csd[12]&0x03)<<2)|((__sd0_csd[13]>>6)&0x03)))
+
+static u8 *rw_buffer = NULL;
+
+struct _sdiorequest
+{
+	u32 cmd;
+	u32 cmd_type;
+	u32 rsp_type;
+	u32 arg;
+	u32 blk_cnt;
+	u32 blk_size;
+	void *dma_addr;
+	u32 isdma;
+	u32 pad0;
+};
+
+struct _sdioresponse
+{
+	u32 rsp_fields[3];
+	u32 acmd12_response;
+};
+
+static s32 __sd0_fd = -1;
+static u16 __sd0_rca = 0;
+static s32 __sd0_initialized = 0;
+static s32 __sd0_sdhc = 0;
+//static u8 __sd0_csd[16];
+static u8 __sd0_cid[16];
+
+static s32 __sdio_initialized = 0;
+
+static char _sd0_fs[] ATTRIBUTE_ALIGN(32) = "/dev/sdio/slot0";
+
+static s32 __sdio_sendcommand(u32 cmd,u32 cmd_type,u32 rsp_type,u32 arg,u32 blk_cnt,u32 blk_size,void *buffer,void *reply,u32 rlen)
+{
+	s32 ret;
+	STACK_ALIGN(ioctlv,iovec,3,32);
+	STACK_ALIGN(struct _sdiorequest,request,1,32);
+	STACK_ALIGN(struct _sdioresponse,response,1,32);
+
+	request->cmd = cmd;
+	request->cmd_type = cmd_type;
+	request->rsp_type = rsp_type;
+	request->arg = arg;
+	request->blk_cnt = blk_cnt;
+	request->blk_size = blk_size;
+	request->dma_addr = buffer;
+	request->isdma = ((buffer!=NULL)?1:0);
+	request->pad0 = 0;
+
+	if(request->isdma || __sd0_sdhc == 1) {
+		iovec[0].data = request;
+		iovec[0].len = sizeof(struct _sdiorequest);
+		iovec[1].data = buffer;
+		iovec[1].len = (blk_size*blk_cnt);
+		iovec[2].data = response;
+		iovec[2].len = sizeof(struct _sdioresponse);
+		ret = IOS_Ioctlv(__sd0_fd,IOCTL_SDIO_SENDCMD,2,1,iovec);
+	} else
+		ret = IOS_Ioctl(__sd0_fd,IOCTL_SDIO_SENDCMD,request,sizeof(struct _sdiorequest),response,sizeof(struct _sdioresponse));
+
+	if(reply && !(rlen>16)) memcpy(reply,response,rlen);
+
+//	printf("  cmd= %08x\n", cmd);
+
+	return ret;
+}
+
+static s32 __sdio_setclock(u32 set)
+{
+	s32 ret;
+	STACK_ALIGN(u32,clock,1,32);
+
+	*clock = set;
+	ret = IOS_Ioctl(__sd0_fd,IOCTL_SDIO_SETCLK,clock,sizeof(u32),NULL,0);
+
+	return ret;
+}
+static s32 __sdio_getstatus()
+{
+	s32 ret;
+	STACK_ALIGN(u32,status,1,32);
+
+	ret = IOS_Ioctl(__sd0_fd,IOCTL_SDIO_GETSTATUS,NULL,0,status,sizeof(u32));
+	if(ret<0) return ret;
+
+	return *status;
+}
+
+static s32 __sdio_resetcard()
+{
+	s32 ret;
+	STACK_ALIGN(u32,status,1,32);
+
+	__sd0_rca = 0;
+	ret = IOS_Ioctl(__sd0_fd,IOCTL_SDIO_RESETCARD,NULL,0,status,sizeof(u32));
+	if(ret<0) return ret;
+
+	__sd0_rca = (u16)(*status>>16);
+	return (*status&0xffff);
+}
+
+static s32 __sdio_gethcr(u8 reg, u8 size, u32 *val)
+{
+	s32 ret;
+	STACK_ALIGN(u32,hcr_value,1,32);
+	STACK_ALIGN(u32,hcr_query,6,32);
+
+	if(val==NULL) return IPC_EINVAL;
+
+	*hcr_value = 0;
+	*val = 0;
+	hcr_query[0] = reg;
+	hcr_query[1] = 0;
+	hcr_query[2] = 0;
+	hcr_query[3] = size;
+	hcr_query[4] = 0;
+	hcr_query[5] = 0;
+	ret = IOS_Ioctl(__sd0_fd,IOCTL_SDIO_READHCREG,(void*)hcr_query,24,hcr_value,sizeof(u32));
+	*val = *hcr_value;
+	return ret;
+}
+
+static s32 __sdio_sethcr(u8 reg, u8 size, u32 data)
+{
+	s32 ret;
+	STACK_ALIGN(u32,hcr_query,6,32);
+
+	hcr_query[0] = reg;
+	hcr_query[1] = 0;
+	hcr_query[2] = 0;
+	hcr_query[3] = size;
+	hcr_query[4] = data;
+	hcr_query[5] = 0;
+	ret = IOS_Ioctl(__sd0_fd,IOCTL_SDIO_WRITEHCREG,(void*)hcr_query,24,NULL,0);
+
+	return ret;
+}
+
+static s32 __sdio_waithcr(u8 reg, u8 size, u8 unset, u32 mask)
+{
+	u32 val;
+	s32 ret;
+	s32 tries = 10;
+
+	while(tries-- > 0)
+	{
+		ret = __sdio_gethcr(reg, size, &val);
+		if(ret < 0) return ret;
+		if((unset && !(val & mask)) || (!unset && (val & mask))) return 0;
+		usleep(10000);
+	}
+
+	return -1;
+}
+
+static s32 __sdio_setbuswidth(u32 bus_width)
+{
+	s32 ret;
+	u32 hc_reg = 0;
+
+	ret = __sdio_gethcr(SDIOHCR_HOSTCONTROL, 1, &hc_reg);
+	if(ret<0) return ret;
+
+	hc_reg &= 0xff;
+	hc_reg &= ~SDIOHCR_HOSTCONTROL_4BIT;
+	if(bus_width==4) hc_reg |= SDIOHCR_HOSTCONTROL_4BIT;
+
+	return __sdio_sethcr(SDIOHCR_HOSTCONTROL, 1, hc_reg);
+}
+
+static s32 __sd0_getrca()
+{
+	s32 ret;
+	u32 rca;
+
+	ret = __sdio_sendcommand(SDIO_CMD_SENDRCA,0,SDIO_RESPONSE_R5,0,0,0,NULL,&rca,sizeof(rca));	
+	if(ret<0) return ret;
+
+	__sd0_rca = (u16)(rca>>16);
+	return (rca&0xffff);
+}
+
+static s32 __sd0_select()
+{
+	s32 ret;
+
+	ret = __sdio_sendcommand(SDIO_CMD_SELECT,SDIOCMD_TYPE_AC,SDIO_RESPONSE_R1B,(__sd0_rca<<16),0,0,NULL,NULL,0);
+
+	return ret;
+}
+
+static s32 __sd0_deselect()
+{
+	s32 ret;
+
+	ret = __sdio_sendcommand(SDIO_CMD_DESELECT,SDIOCMD_TYPE_AC,SDIO_RESPONSE_R1B,0,0,0,NULL,NULL,0);
+
+	return ret;
+}
+
+static s32 __sd0_setblocklength(u32 blk_len)
+{
+	s32 ret;
+
+	ret = __sdio_sendcommand(SDIO_CMD_SETBLOCKLEN,SDIOCMD_TYPE_AC,SDIO_RESPONSE_R1,blk_len,0,0,NULL,NULL,0);
+
+	return ret;
+}
+
+static s32 __sd0_setbuswidth(u32 bus_width)
+{
+	u16 val;
+	s32 ret;
+
+	val = 0x0000;
+	if(bus_width==4) val = 0x0002;
+
+	ret = __sdio_sendcommand(SDIO_CMD_APPCMD,SDIOCMD_TYPE_AC,SDIO_RESPONSE_R1,(__sd0_rca<<16),0,0,NULL,NULL,0);
+	if(ret<0) return ret;
+
+	ret = __sdio_sendcommand(SDIO_ACMD_SETBUSWIDTH,SDIOCMD_TYPE_AC,SDIO_RESPONSE_R1,val,0,0,NULL,NULL,0);
+
+	return ret;
+}
+
+static s32 __sd0_getcid()
+{
+	s32 ret;
+
+	ret = __sdio_sendcommand(SDIO_CMD_ALL_SENDCID,0,SDIO_RESPOSNE_R2,(__sd0_rca<<16),0,0,NULL,__sd0_cid,16);
+
+	return ret;
+}
+
+
+static bool __sd0_initio()
+{
+	s32 ret;
+	s32 tries;
+	u32 status;
+	struct _sdioresponse resp;
+
+	__sdio_resetcard();
+	status = __sdio_getstatus();
+	
+	if(!(status & SDIO_STATUS_CARD_INSERTED))
+		return false;
+
+	if(!(status & SDIO_STATUS_CARD_INITIALIZED))
+	{
+		// IOS doesn't like this card, so we need to convice it to accept it.
+		// reopen the handle which makes IOS clean stuff up
+		IOS_Close(__sd0_fd);
+		__sd0_fd = IOS_Open(_sd0_fs,1);
+
+		// reset the host controller
+		if(__sdio_sethcr(SDIOHCR_SOFTWARERESET, 1, 7) < 0) goto fail;
+		if(__sdio_waithcr(SDIOHCR_SOFTWARERESET, 1, 1, 7) < 0) goto fail;
+
+		// initialize interrupts (sd_reset_card does this on success)
+		__sdio_sethcr(0x34, 4, 0x13f00c3);
+		__sdio_sethcr(0x38, 4, 0x13f00c3);
+
+		// enable power
+		__sd0_sdhc = 1;
+		ret = __sdio_sethcr(SDIOHCR_POWERCONTROL, 1, 0xe);
+		if(ret < 0) goto fail;
+		ret = __sdio_sethcr(SDIOHCR_POWERCONTROL, 1, 0xf);
+		if(ret < 0) goto fail;
+
+		// enable internal clock, wait until it gets stable and enable sd clock
+		ret = __sdio_sethcr(SDIOHCR_CLOCKCONTROL, 2, 0);
+		if(ret < 0) goto fail;
+		ret = __sdio_sethcr(SDIOHCR_CLOCKCONTROL, 2, 0x101);
+		if(ret < 0) goto fail;
+		ret = __sdio_waithcr(SDIOHCR_CLOCKCONTROL, 2, 0, 2);
+		if(ret < 0) goto fail;
+		ret = __sdio_sethcr(SDIOHCR_CLOCKCONTROL, 2, 0x107);
+		if(ret < 0) goto fail;
+
+		// setup timeout
+		ret = __sdio_sethcr(SDIOHCR_TIMEOUTCONTROL, 1, SDIO_DEFAULT_TIMEOUT);
+		if(ret < 0) goto fail;
+
+		// standard SDHC initialization process
+		ret = __sdio_sendcommand(SDIO_CMD_GOIDLE, 0, 0, 0, 0, 0, NULL, NULL, 0);
+		if(ret < 0) goto fail;
+		ret = __sdio_sendcommand(SDIO_CMD_SENDIFCOND, 0, SDIO_RESPONSE_R6, 0x1aa, 0, 0, NULL, &resp, sizeof(resp));
+		if(ret < 0) goto fail;
+		if((resp.rsp_fields[0] & 0xff) != 0xaa) goto fail;
+
+		tries = 10;
+		while(tries-- > 0)
+		{
+			ret = __sdio_sendcommand(SDIO_CMD_APPCMD, SDIOCMD_TYPE_AC,SDIO_RESPONSE_R1,0,0,0,NULL,NULL,0);
+			if(ret < 0) goto fail;
+			ret = __sdio_sendcommand(SDIO_ACMD_SENDOPCOND, 0, SDIO_RESPONSE_R3, 0x40300000, 0, 0, NULL, &resp, sizeof(resp));
+			if(ret < 0) goto fail;
+			if(resp.rsp_fields[0] & (1 << 31)) break;
+
+			usleep(10000);
+		}
+		if(tries < 0) goto fail;
+
+		// FIXME: SDv2 cards which are not high-capacity won't work :/
+		if(resp.rsp_fields[0] & (1 << 30))
+			__sd0_sdhc = 1;
+		else
+			__sd0_sdhc = 0;
+
+		ret = __sd0_getcid();
+		if(ret < 0) goto fail;
+		ret = __sd0_getrca();
+		if(ret < 0) goto fail;
+	}
+	else if(status&SDIO_STATUS_CARD_SDHC)
+		__sd0_sdhc = 1;
+	else
+		__sd0_sdhc = 0;
+
+	ret = __sdio_setbuswidth(4);
+	if(ret<0) return false;
+
+	ret = __sdio_setclock(1);
+	if(ret<0) return false;
+
+	ret = __sd0_select();
+	if(ret<0) return false;
+
+	ret = __sd0_setblocklength(PAGE_SIZE512);
+	if(ret<0) {
+		ret = __sd0_deselect();
+		return false;
+	}
+
+	ret = __sd0_setbuswidth(4);
+	if(ret<0) {
+		ret = __sd0_deselect();
+		return false;
+	}
+	__sd0_deselect();
+
+	__sd0_initialized = 1;
+	return true;
+
+	fail:
+	__sdio_sethcr(SDIOHCR_SOFTWARERESET, 1, 7);
+	__sdio_waithcr(SDIOHCR_SOFTWARERESET, 1, 1, 7);
+	IOS_Close(__sd0_fd);
+	__sd0_fd = IOS_Open(_sd0_fs,1);
+	return false;
+}
+
+bool sdio_OGC_Deinitialize()
+{
+	if(__sd0_fd>=0)
+		IOS_Close(__sd0_fd);
+	if(rw_buffer != NULL)
+		MEM2_lo_free(rw_buffer);
+	rw_buffer = NULL;
+
+	__sd0_fd = -1;
+	__sdio_initialized = 0;
+	return true;
+}
+
+bool sdio_OGC_Startup()
+{
+	if(__sdio_initialized==1) return true;
+
+	if(rw_buffer == NULL) rw_buffer = MEM2_lo_alloc(4*1024);
+	if(rw_buffer == NULL) return false;
+
+	__sd0_fd = IOS_Open(_sd0_fs,1);
+
+	if(__sd0_fd<0) {
+		sdio_OGC_Deinitialize();
+		return false;
+	}
+
+	if(__sd0_initio()==false) {
+		sdio_OGC_Deinitialize();
+		return false;
+	}
+	__sdio_initialized = 1;
+	return true;
+}
+
+bool sdio_OGC_Shutdown()
+{
+	if(__sd0_initialized==0) return false;
+
+	sdio_OGC_Deinitialize();
+
+	__sd0_initialized = 0;
+	return true;
+}
+
+bool sdio_OGC_ReadSectors(sec_t sector, sec_t numSectors,void* buffer)
+{
+	s32 ret;
+	u8 *ptr;
+	sec_t blk_off;
+
+	if(buffer==NULL) return false;
+
+	ret = __sd0_select();
+	if(ret<0) return false;
+
+	if((u32)buffer & 0x1F) {
+		ptr = (u8*)buffer;
+		int secs_to_read;
+		while(numSectors>0) {
+			if(__sd0_sdhc == 0) blk_off = (sector*PAGE_SIZE512);
+			else blk_off = sector;
+			if(numSectors > 8)secs_to_read = 8;
+			else secs_to_read = numSectors;
+			ret = __sdio_sendcommand(SDIO_CMD_READMULTIBLOCK,SDIOCMD_TYPE_AC,SDIO_RESPONSE_R1,blk_off,secs_to_read,PAGE_SIZE512,rw_buffer,NULL,0);
+			if(ret>=0) {
+				memcpy(ptr,rw_buffer,PAGE_SIZE512*secs_to_read);
+				ptr += PAGE_SIZE512*secs_to_read;
+				sector+=secs_to_read;
+				numSectors-=secs_to_read;
+			} else
+				break;
+		}
+	} else {
+		if(__sd0_sdhc == 0) sector *= PAGE_SIZE512;
+		ret = __sdio_sendcommand(SDIO_CMD_READMULTIBLOCK,SDIOCMD_TYPE_AC,SDIO_RESPONSE_R1,sector,numSectors,PAGE_SIZE512,buffer,NULL,0);
+	}
+
+	__sd0_deselect();
+
+	return (ret>=0);
+}
+
+bool sdio_OGC_WriteSectors(sec_t sector, sec_t numSectors,const void* buffer)
+{
+	s32 ret;
+	u8 *ptr;
+	u32 blk_off;
+
+	if(buffer==NULL) return false;
+
+	ret = __sd0_select();
+	if(ret<0) return false;
+
+	if((u32)buffer & 0x1F) {
+		ptr = (u8*)buffer;
+		int secs_to_write;
+		while(numSectors>0) {
+			if(__sd0_sdhc == 0) blk_off = (sector*PAGE_SIZE512);
+			else blk_off = sector;
+			if(numSectors > 8)secs_to_write = 8;
+			else secs_to_write = numSectors;
+			memcpy(rw_buffer,ptr,PAGE_SIZE512*secs_to_write);
+			ret = __sdio_sendcommand(SDIO_CMD_WRITEMULTIBLOCK,SDIOCMD_TYPE_AC,SDIO_RESPONSE_R1,blk_off,secs_to_write,PAGE_SIZE512,rw_buffer,NULL,0);
+			if(ret>=0) {
+				ptr += PAGE_SIZE512*secs_to_write;
+				sector+=secs_to_write;
+				numSectors-=secs_to_write;
+			} else
+				break;
+		}
+	} else {
+		if(__sd0_sdhc == 0) sector *= PAGE_SIZE512;
+		ret = __sdio_sendcommand(SDIO_CMD_WRITEMULTIBLOCK,SDIOCMD_TYPE_AC,SDIO_RESPONSE_R1,sector,numSectors,PAGE_SIZE512,(char *)buffer,NULL,0);
+	}
+
+	__sd0_deselect();
+
+	return (ret>=0);
+}
+
+bool sdio_OGC_ClearStatus()
+{
+	return true;
+}
+
+bool sdio_OGC_IsInserted()
+{
+	return ((__sdio_getstatus() & SDIO_STATUS_CARD_INSERTED) ==
+			SDIO_STATUS_CARD_INSERTED);
+}
+
+const DISC_INTERFACE __io_wiisd_ogc = {
+	DEVICE_TYPE_WII_SD,
+	FEATURE_MEDIUM_CANREAD | FEATURE_MEDIUM_CANWRITE | FEATURE_WII_SD,
+	(FN_MEDIUM_STARTUP)&sdio_OGC_Startup,
+	(FN_MEDIUM_ISINSERTED)&sdio_OGC_IsInserted,
+	(FN_MEDIUM_READSECTORS)&sdio_OGC_ReadSectors,
+	(FN_MEDIUM_WRITESECTORS)&sdio_OGC_WriteSectors,
+	(FN_MEDIUM_CLEARSTATUS)&sdio_OGC_ClearStatus,
+	(FN_MEDIUM_SHUTDOWN)&sdio_OGC_Shutdown
+};
+
+#endif

source/devicemounter/wiisd_libogc.h

@@ -0,0 +1,44 @@
+/*
+
+  wii_sd.h
+
+  Hardware interface for libfat Wii internal SD
+
+ Copyright (c) 2008
+   Michael Wiedenbauer (shagkur)
+   Dave Murphy (WinterMute)
+
+	
+ Redistribution and use in source and binary forms, with or without modification,
+ are permitted provided that the following conditions are met:
+
+  1. Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright notice,
+     this list of conditions and the following disclaimer in the documentation and/or
+     other materials provided with the distribution.
+  3. The name of the author may not be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef __WIISD_LIBOGC_H__
+#define __WIISD_LIBOGC_H__
+
+#include <gctypes.h>
+#include <ogc/disc_io.h>
+
+#define DEVICE_TYPE_WII_SD (('W'<<24)|('I'<<16)|('S'<<8)|'D')
+
+extern const DISC_INTERFACE __io_wiisd_ogc;
+
+#endif