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Added M.2 Loader library #21

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Added M.2 Loader library #21

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13 changes: 11 additions & 2 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ export LIBASNDDIR := $(BASEDIR)/libasnd
export LIBAESNDDIR := $(BASEDIR)/libaesnd
export LIBISODIR := $(BASEDIR)/libiso9660
export LIBWIIKEYB := $(BASEDIR)/libwiikeyboard
export LIBM2LOADER := $(BASEDIR)/libm2loader
export DEPS := $(BASEDIR)/deps
export LIBS := $(BASEDIR)/lib

Expand Down Expand Up @@ -69,6 +70,7 @@ ASNDLIB := $(LIBDIR)/libasnd
AESNDLIB := $(LIBDIR)/libaesnd
ISOLIB := $(LIBDIR)/libiso9660
WIIKEYBLIB := $(LIBDIR)/libwiikeyboard
M2LOADERLIB := $(LIBDIR)/libm2loader

#---------------------------------------------------------------------------------
DEFINCS := -I$(BASEDIR) -I$(BASEDIR)/gc
Expand Down Expand Up @@ -118,7 +120,8 @@ VPATH := $(LWIPDIR) \
$(LIBASNDDIR) \
$(LIBAESNDDIR) \
$(LIBISODIR) \
$(LIBWIIKEYB)
$(LIBWIIKEYB) \
$(LIBM2LOADER)


#---------------------------------------------------------------------------------
Expand Down Expand Up @@ -178,6 +181,8 @@ ISOLIBOBJ := iso9660.o
#---------------------------------------------------------------------------------
WIIKEYBLIBOBJ := usbkeyboard.o keyboard.o ukbdmap.o wskbdutil.o

#---------------------------------------------------------------------------------
M2LOADEROBJ := m2loader.o


all: wii cube
Expand Down Expand Up @@ -261,6 +266,8 @@ $(BTELIB).a: $(BTEOBJ)
#---------------------------------------------------------------------------------
$(WIIUSELIB).a: $(WIIUSEOBJ)
#---------------------------------------------------------------------------------
$(M2LOADERLIB).a: $(M2LOADEROBJ)
#---------------------------------------------------------------------------------

.PHONY: libs wii cube install-headers install uninstall dist docs

Expand All @@ -276,6 +283,7 @@ install-headers:
@mkdir -p $(INCDIR)/sdcard
@mkdir -p $(INCDIR)/di
@mkdir -p $(INCDIR)/wiikeyboard
@mkdir -p $(INCDIR)/m2loader
@cp ./gc/*.h $(INCDIR)
@cp ./gc/ogc/*.h $(INCDIR)/ogc
@cp ./gc/ogc/machine/*.h $(INCDIR)/ogc/machine
Expand All @@ -286,6 +294,7 @@ install-headers:
@cp ./gc/sdcard/*.h $(INCDIR)/sdcard
@cp ./gc/di/*.h $(INCDIR)/di
@cp ./gc/wiikeyboard/*.h $(INCDIR)/wiikeyboard
@cp ./gc/m2loader/*.h $(INCDIR)/m2loader

#---------------------------------------------------------------------------------
install: wii cube install-headers
Expand Down Expand Up @@ -313,7 +322,7 @@ dist: wii cube install-headers
LIBRARIES := $(OGCLIB).a $(MODLIB).a $(DBLIB).a $(TINYSMBLIB).a $(ASNDLIB).a $(AESNDLIB).a $(ISOLIB).a

ifeq ($(PLATFORM),cube)
LIBRARIES += $(BBALIB).a
LIBRARIES += $(BBALIB).a $(M2LOADERLIB).a
endif
ifeq ($(PLATFORM),wii)
LIBRARIES += $(BTELIB).a $(WIIUSELIB).a $(DILIB).a $(WIIKEYBLIB).a
Expand Down
143 changes: 143 additions & 0 deletions gc/m2loader/m2loader.h
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@@ -0,0 +1,143 @@
/**
* M.2 Loader Driver for GameCube.
*
* M.2 Loader is M.2 SATA SSD adapter for Serial Port 1.
*
* Based on IDE-EXI Driver from Swiss
* Based loosely on code written by Dampro
* Re-written by emu_kidid, Extrems, webhdx
**/

#ifndef M2LOADER_H
#define M2LOADER_H

#include <gccore.h>
#include <ogc/disc_io.h>

#define EXI_M2LOADER_ID 0x4D324C52 // M2LR
#define DEVICE_TYPE_GC_M2LOADER (('M'<<24)|('2'<<16)|('L'<<8)|'R')

// ATA status register bits
#define ATA_SR_BSY 0x80
#define ATA_SR_DRDY 0x40
#define ATA_SR_DF 0x20
#define ATA_SR_DSC 0x10
#define ATA_SR_DRQ 0x08
#define ATA_SR_CORR 0x04
#define ATA_SR_IDX 0x02
#define ATA_SR_ERR 0x01

// ATA error register bits
#define ATA_ER_UNC 0x40
#define ATA_ER_MC 0x20
#define ATA_ER_IDNF 0x10
#define ATA_ER_MCR 0x08
#define ATA_ER_ABRT 0x04
#define ATA_ER_TK0NF 0x02
#define ATA_ER_AMNF 0x01

// ATA head register bits
#define ATA_HEAD_USE_LBA 0x40

// NOTE: cs0 then cs1!
// ATA registers address val - cs0 cs1 a2 a1 a0
#define ATA_REG_DATA 0x10 //1 0000b
#define ATA_REG_COMMAND 0x17 //1 0111b
#define ATA_REG_ALTSTATUS 0x0E //0 1110b
#define ATA_REG_DEVICE 0x16 //1 0110b
#define ATA_REG_DEVICECONTROL 0x0E //0 1110b
#define ATA_REG_ERROR 0x11 //1 0001b
#define ATA_REG_FEATURES 0x11 //1 0001b
#define ATA_REG_LBAHI 0x15 //1 0101b
#define ATA_REG_CYLHI 0x15 //1 0101b
#define ATA_REG_LBAMID 0x14 //1 0100b
#define ATA_REG_CYLLO 0x14 //1 0100b
#define ATA_REG_LBALO 0x13 //1 0011b
#define ATA_REG_STARTSEC 0x13 //1 0011b
#define ATA_REG_SECCOUNT 0x12 //1 0010b
#define ATA_REG_STATUS 0x17 //1 0111b

// ATA commands
#define ATA_CMD_IDENTIFY 0xEC
#define ATA_CMD_READSECT 0x21
#define ATA_CMD_READSECTEXT 0x24
#define ATA_CMD_WRITESECT 0x30
#define ATA_CMD_WRITESECTEXT 0x34
#define ATA_CMD_UNLOCK 0xF2
#define ATA_CMD_SECURITY_DISABLE 0xF6

// ATA Identity fields
// all offsets refer to word offset (2 byte increments)
#define ATA_IDENT_CYLINDERS 1 // number of logical cylinders
#define ATA_IDENT_HEADS 3 // number of logical heads
#define ATA_IDENT_SECTORS 6 // number of sectors per track
#define ATA_IDENT_SERIAL 10 // Drive serial (20 characters)
#define ATA_IDENT_MODEL 27 // Drive model name (40 characters)
#define ATA_IDENT_LBASECTORS 60 // Number of sectors in LBA translation mode
#define ATA_IDENT_COMMANDSET 83 // Command sets supported
#define ATA_IDENT_LBA48SECTORS 100 // Number of sectors in LBA 48-bit mode
#define ATA_IDENT_LBA48MASK 0x4 // Mask for LBA support in the command set top byte

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

extern const DISC_INTERFACE __io_m2ldr;

// typedefs
// drive info structure
typedef struct
{
u64 sizeInSectors;
u32 sizeInGigaBytes;
u32 cylinders;
u32 heads; // per cylinder
u32 sectors; // per track
int lba48Support;
char model[48];
char serial[24];
} typeDriveInfo;

typedef struct
{
u16 type; //1 = master pw, 0 = user
char password[32];
u8 reserved[478];
} unlockStruct;

extern typeDriveInfo M2LoaderDriveInfo;

// Main SDK
int M2Loader_DriveInit();
int M2Loader_Unlock(int useMaster, char *password, int command);
int M2Loader_ReadSectors(u64 sector, unsigned int numSectors, unsigned char *dest);
int M2Loader_WriteSectors(u64 sector,unsigned int numSectors, unsigned char *src);
int M2Loader_Shutdown();
bool M2Loader_IsInserted();
bool M2Loader_IsDriveInserted();

// Low level access functions
u8 _M2Loader_ReadStatusReg();
u8 _M2Loader_ReadErrorReg();

void _M2Loader_WriteByte(u8 addr, u8 data);

u16 _M2Loader_ReadU16();
void _M2Loader_WriteU16(u16 data);

void _M2Loader_ReadBuffer(u32 *dst);
void _M2Loader_WriteBuffer(u32 *src);

int _M2Loader_ReadSector(u64 lba, u32 *Buffer);
int _M2Loader_WriteSector(u64 lba, u32 *Buffer);

int _M2Loader_ReadSectors(u64 sector, unsigned int numSectors, unsigned char *dest);
int _M2Loader_WriteSectors(u64 sector,unsigned int numSectors, unsigned char *src);

void _M2Loader_PrintHddSector(u32 *dest);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif
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