mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-24 02:41:55 +01:00
-fixed not working force FAT (should fix dolphin-emu sd card)
-lets use static buffers for partition handler instead of new allocating them every time
This commit is contained in:
fix94.1
parent
4a67f26e1b
commit
9381e97e8d
@ -31,8 +31,6 @@ EOF
|
||||
|
||||
if [ -n "$rev_old" ]; then
|
||||
echo "Changed Rev $rev_old to $rev_new" >&2
|
||||
else
|
||||
echo "svnrev.h created" >&2
|
||||
fi
|
||||
|
||||
rev_new=`expr $rev_new + 1`
|
||||
|
||||
@ -42,13 +42,13 @@
|
||||
//! libfat stuff
|
||||
extern "C"
|
||||
{
|
||||
sec_t FindFirstValidPartition(const DISC_INTERFACE* disc);
|
||||
sec_t FindFirstValidPartition(const DISC_INTERFACE* disc);
|
||||
}
|
||||
|
||||
#define CACHE 32
|
||||
#define SECTORS 64
|
||||
|
||||
static inline const char * PartFromType(int type)
|
||||
static inline const char *PartFromType(int type)
|
||||
{
|
||||
switch (type)
|
||||
{
|
||||
@ -113,34 +113,34 @@ bool PartitionHandle::IsMounted(int pos)
|
||||
|
||||
bool PartitionHandle::Mount(int pos, const char * name, bool forceFAT)
|
||||
{
|
||||
if(!valid(pos))
|
||||
return false;
|
||||
if(valid(pos))
|
||||
UnMount(pos);
|
||||
|
||||
if(!name)
|
||||
return false;
|
||||
|
||||
UnMount(pos);
|
||||
|
||||
if(pos >= (int) MountNameList.size())
|
||||
MountNameList.resize(pos+1);
|
||||
|
||||
MountNameList[pos] = name;
|
||||
SetWbfsHandle(pos, NULL);
|
||||
|
||||
//! Some stupid partition manager think they don't need to edit the freaken MBR.
|
||||
//! So we need to check the first 64 sectors and see if some partition is there.
|
||||
//! libfat does that by default so let's use it.
|
||||
//! We do that only on sd not on usb.
|
||||
if(forceFAT && (!GetFSName(pos) || strcmp(GetFSName(pos), "Unknown") == 0))
|
||||
if(forceFAT && (strlen(GetFSName(pos)) == 0 || strcmp(GetFSName(pos), "Unknown") == 0))
|
||||
{
|
||||
if (fatMount(MountNameList[pos].c_str(), interface, 0, CACHE, SECTORS))
|
||||
{
|
||||
sec_t FAT_startSector = FindFirstValidPartition(interface);
|
||||
AddPartition("FAT", FAT_startSector, 0xdeadbeaf, true, 0x0c, 0);
|
||||
SetWbfsHandle(pos, NULL);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
if(!valid(pos))
|
||||
return false;
|
||||
|
||||
SetWbfsHandle(pos, NULL);
|
||||
if(strncmp(GetFSName(pos), "FAT", 3) == 0 || strcmp(GetFSName(pos), "GUID-Entry") == 0)
|
||||
{
|
||||
if (fatMount(MountNameList[pos].c_str(), interface, GetLBAStart(pos), CACHE, SECTORS))
|
||||
@ -224,42 +224,33 @@ bool PartitionHandle::IsExisting(u64 lba)
|
||||
return false;
|
||||
}
|
||||
|
||||
int PartitionHandle::FindPartitions()
|
||||
s8 PartitionHandle::FindPartitions()
|
||||
{
|
||||
MASTER_BOOT_RECORD *mbr = (MASTER_BOOT_RECORD *) malloc(MAX_BYTES_PER_SECTOR);
|
||||
if(!mbr) return -1;
|
||||
MASTER_BOOT_RECORD mbr[MAX_BYTES_PER_SECTOR] ATTRIBUTE_ALIGN(32);
|
||||
|
||||
// Read the first sector on the device
|
||||
if (!interface->readSectors(0, 1, mbr))
|
||||
{
|
||||
free(mbr);
|
||||
if(!interface->readSectors(0, 1, mbr))
|
||||
return -1;
|
||||
}
|
||||
|
||||
// If this is the devices master boot record
|
||||
if (mbr->signature != MBR_SIGNATURE)
|
||||
{
|
||||
free(mbr);
|
||||
if(mbr->signature != MBR_SIGNATURE)
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (int i = 0; i < 4; i++)
|
||||
for(u8 i = 0; i < 4; i++)
|
||||
{
|
||||
PARTITION_RECORD * partition = (PARTITION_RECORD *) &mbr->partitions[i];
|
||||
PARTITION_RECORD *partition = (PARTITION_RECORD *)&mbr->partitions[i];
|
||||
|
||||
if(partition->type == PARTITION_TYPE_GPT)
|
||||
{
|
||||
int ret = CheckGPT(i);
|
||||
s8 ret = CheckGPT(i);
|
||||
if(ret == 0) // if it's a GPT we don't need to go on looking through the mbr anymore
|
||||
return ret;
|
||||
}
|
||||
|
||||
if(partition->type == PARTITION_TYPE_DOS33_EXTENDED || partition->type == PARTITION_TYPE_WIN95_EXTENDED)
|
||||
{
|
||||
CheckEBR(i, le32(partition->lba_start));
|
||||
continue;
|
||||
}
|
||||
|
||||
if(le32(partition->block_count) > 0 && !IsExisting(le32(partition->lba_start)))
|
||||
{
|
||||
AddPartition(PartFromType(partition->type), le32(partition->lba_start),
|
||||
@ -267,31 +258,24 @@ int PartitionHandle::FindPartitions()
|
||||
}
|
||||
}
|
||||
|
||||
free(mbr);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static u8 HeaderBuffer[MAX_BYTES_PER_SECTOR] ATTRIBUTE_ALIGN(32);
|
||||
static u8 AddingBuffer[MAX_BYTES_PER_SECTOR] ATTRIBUTE_ALIGN(32);
|
||||
|
||||
void PartitionHandle::CheckEBR(u8 PartNum, sec_t ebr_lba)
|
||||
{
|
||||
EXTENDED_BOOT_RECORD *ebr = (EXTENDED_BOOT_RECORD *) malloc(MAX_BYTES_PER_SECTOR);
|
||||
if(!ebr) return;
|
||||
EXTENDED_BOOT_RECORD *ebr = (EXTENDED_BOOT_RECORD *)HeaderBuffer;
|
||||
sec_t next_erb_lba = 0;
|
||||
|
||||
do
|
||||
{
|
||||
// Read and validate the extended boot record
|
||||
if (!interface->readSectors(ebr_lba + next_erb_lba, 1, ebr))
|
||||
{
|
||||
free(ebr);
|
||||
if(!interface->readSectors(ebr_lba + next_erb_lba, 1, ebr))
|
||||
return;
|
||||
}
|
||||
|
||||
if (ebr->signature != EBR_SIGNATURE)
|
||||
{
|
||||
free(ebr);
|
||||
if(ebr->signature != EBR_SIGNATURE)
|
||||
return;
|
||||
}
|
||||
|
||||
if(le32(ebr->partition.block_count) > 0 && !IsExisting(ebr_lba + next_erb_lba + le32(ebr->partition.lba_start)))
|
||||
{
|
||||
@ -303,49 +287,36 @@ void PartitionHandle::CheckEBR(u8 PartNum, sec_t ebr_lba)
|
||||
next_erb_lba = le32(ebr->next_ebr.lba_start);
|
||||
}
|
||||
while(next_erb_lba > 0);
|
||||
|
||||
free(ebr);
|
||||
}
|
||||
|
||||
static const u8 TYPE_UNUSED[16] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };
|
||||
static const u8 TYPE_BIOS[16] = { 0x48,0x61,0x68,0x21,0x49,0x64,0x6F,0x6E,0x74,0x4E,0x65,0x65,0x64,0x45,0x46,0x49 };
|
||||
static const u8 TYPE_LINUX_MS_BASIC_DATA[16] = { 0xA2,0xA0,0xD0,0xEB,0xE5,0xB9,0x33,0x44,0x87,0xC0,0x68,0xB6,0xB7,0x26,0x99,0xC7 };
|
||||
|
||||
int PartitionHandle::CheckGPT(u8 PartNum)
|
||||
s8 PartitionHandle::CheckGPT(u8 PartNum)
|
||||
{
|
||||
GPT_HEADER *gpt_header = (GPT_HEADER *) malloc(MAX_BYTES_PER_SECTOR);
|
||||
if(!gpt_header) return -1;
|
||||
GPT_HEADER *gpt_header = (GPT_HEADER *)HeaderBuffer;
|
||||
|
||||
// Read and validate the extended boot record
|
||||
if (!interface->readSectors(1, 1, gpt_header))
|
||||
{
|
||||
free(gpt_header);
|
||||
if(!interface->readSectors(1, 1, gpt_header))
|
||||
return -1;
|
||||
}
|
||||
|
||||
if(strncmp(gpt_header->magic, "EFI PART", 8) != 0)
|
||||
{
|
||||
free(gpt_header);
|
||||
return -1;
|
||||
}
|
||||
|
||||
gpt_header->part_table_lba = le64(gpt_header->part_table_lba);
|
||||
gpt_header->part_entries = le32(gpt_header->part_entries);
|
||||
gpt_header->part_entry_size = le32(gpt_header->part_entry_size);
|
||||
gpt_header->part_entry_checksum = le32(gpt_header->part_entry_checksum);
|
||||
|
||||
u8 * sector_buf = new u8[MAX_BYTES_PER_SECTOR];
|
||||
|
||||
u64 next_lba = gpt_header->part_table_lba;
|
||||
|
||||
for(u32 i = 0; i < gpt_header->part_entries; ++i)
|
||||
{
|
||||
if (!interface->readSectors(next_lba, 1, sector_buf))
|
||||
if(!interface->readSectors(next_lba, 1, AddingBuffer))
|
||||
break;
|
||||
|
||||
for(u32 n = 0; n < BYTES_PER_SECTOR/gpt_header->part_entry_size; ++n, ++i)
|
||||
{
|
||||
GUID_PART_ENTRY * part_entry = (GUID_PART_ENTRY *) (sector_buf+gpt_header->part_entry_size*n);
|
||||
GUID_PART_ENTRY * part_entry = (GUID_PART_ENTRY *) (AddingBuffer + gpt_header->part_entry_size*n);
|
||||
|
||||
if(memcmp(part_entry->part_type_guid, TYPE_UNUSED, 16) == 0)
|
||||
continue;
|
||||
@ -357,61 +328,64 @@ int PartitionHandle::CheckGPT(u8 PartNum)
|
||||
|
||||
AddPartition("GUID-Entry", le64(part_entry->part_first_lba), le64(part_entry->part_last_lba), bootable, PARTITION_TYPE_GPT, PartNum);
|
||||
}
|
||||
|
||||
next_lba++;
|
||||
}
|
||||
|
||||
delete [] sector_buf;
|
||||
free(gpt_header);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void PartitionHandle::AddPartition(const char * name, u64 lba_start, u64 sec_count, bool bootable, u8 part_type, u8 part_num)
|
||||
void PartitionHandle::AddPartition(const char *name, u64 lba_start, u64 sec_count, bool bootable, u8 part_type, u8 part_num)
|
||||
{
|
||||
char *buffer = (char *) malloc(MAX_BYTES_PER_SECTOR);
|
||||
|
||||
if (!interface->readSectors(lba_start, 1, buffer))
|
||||
{
|
||||
free(buffer);
|
||||
if(!interface->readSectors(lba_start, 1, AddingBuffer))
|
||||
return;
|
||||
}
|
||||
|
||||
wbfs_head_t *head = (wbfs_head_t *) buffer;
|
||||
wbfs_head_t *head = (wbfs_head_t *)AddingBuffer;
|
||||
|
||||
if (head->magic == wbfs_htonl(WBFS_MAGIC))
|
||||
if(head->magic == wbfs_htonl(WBFS_MAGIC))
|
||||
{
|
||||
name = "WBFS";
|
||||
part_type = 0xBF; //Override partition type on WBFS
|
||||
//! correct sector size in physical sectors (512 bytes per sector)
|
||||
sec_count = (u64) head->n_hd_sec * (u64) (1 << head->hd_sec_sz_s) / (u64) BYTES_PER_SECTOR;
|
||||
|
||||
}
|
||||
else if(*((u16 *) (buffer + 0x1FE)) == 0x55AA)
|
||||
else if(*((u16 *) (AddingBuffer + 0x1FE)) == 0x55AA)
|
||||
{
|
||||
//! Partition typ can be missleading the correct partition format. Stupid lazy ass Partition Editors.
|
||||
if((memcmp(buffer + 0x36, "FAT", 3) == 0 || memcmp(buffer + 0x52, "FAT", 3) == 0) &&
|
||||
if((memcmp(AddingBuffer + 0x36, "FAT", 3) == 0 || memcmp(AddingBuffer + 0x52, "FAT", 3) == 0) &&
|
||||
strncmp(PartFromType(part_type), "FAT", 3) != 0)
|
||||
{
|
||||
name = "FAT32";
|
||||
part_type = 0x0c;
|
||||
}
|
||||
if (memcmp(buffer + 0x03, "NTFS", 4) == 0)
|
||||
if (memcmp(AddingBuffer + 0x03, "NTFS", 4) == 0)
|
||||
{
|
||||
name = "NTFS";
|
||||
part_type = 0x07;
|
||||
}
|
||||
}
|
||||
|
||||
PartitionFS PartitionEntrie;
|
||||
PartitionEntrie.FSName = name;
|
||||
PartitionEntrie.LBA_Start = lba_start;
|
||||
PartitionEntrie.SecCount = sec_count;
|
||||
PartitionEntrie.Bootable = bootable;
|
||||
PartitionEntrie.PartitionType = part_type;
|
||||
PartitionEntrie.PartitionNum = part_num;
|
||||
|
||||
PartitionList.push_back(PartitionEntrie);
|
||||
|
||||
free(buffer);
|
||||
PartitionFS PartitionEntry;
|
||||
PartitionEntry.FSName = name;
|
||||
PartitionEntry.LBA_Start = lba_start;
|
||||
PartitionEntry.SecCount = sec_count;
|
||||
PartitionEntry.Bootable = bootable;
|
||||
PartitionEntry.PartitionType = part_type;
|
||||
PartitionEntry.PartitionNum = part_num;
|
||||
PartitionList.push_back(PartitionEntry);
|
||||
}
|
||||
|
||||
wbfs_t *PartitionHandle::GetWbfsHandle(int pos)
|
||||
{
|
||||
if(valid(pos))
|
||||
return PartitionList[pos].wbfshandle;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
bool PartitionHandle::SetWbfsHandle(int pos, wbfs_t *wbfshandle)
|
||||
{
|
||||
if(valid(pos))
|
||||
{
|
||||
PartitionList[pos].wbfshandle = wbfshandle;
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@ -154,16 +154,16 @@ public:
|
||||
//! Get the disc interface of this handle
|
||||
const DISC_INTERFACE * GetDiscInterface() { return interface; };
|
||||
//! Get the wbfs mount handle
|
||||
wbfs_t *GetWbfsHandle(int pos) { if(valid(pos)) return PartitionList[pos].wbfshandle; else return 0; };
|
||||
wbfs_t *GetWbfsHandle(int pos);
|
||||
//! Set the wbfs mount handle
|
||||
bool SetWbfsHandle(int pos, wbfs_t * wbfshandle) { if(valid(pos)) {PartitionList[pos].wbfshandle = wbfshandle; return true;} else return false; };
|
||||
bool SetWbfsHandle(int pos, wbfs_t *wbfshandle);
|
||||
protected:
|
||||
bool valid(int pos) { return (pos >= 0 && pos < (int) PartitionList.size()); }
|
||||
void AddPartition(const char * name, u64 lba_start, u64 sec_count, bool bootable, u8 part_type, u8 part_num);
|
||||
bool valid(int pos) { return (pos >= 0 && pos < (int)PartitionList.size()); };
|
||||
void AddPartition(const char *name, u64 lba_start, u64 sec_count, bool bootable, u8 part_type, u8 part_num);
|
||||
bool IsExisting(u64 lba);
|
||||
int FindPartitions();
|
||||
s8 FindPartitions();
|
||||
void CheckEBR(u8 PartNum, sec_t ebr_lba);
|
||||
int CheckGPT(u8 PartNum);
|
||||
s8 CheckGPT(u8 PartNum);
|
||||
|
||||
const DISC_INTERFACE *interface;
|
||||
vector<PartitionFS> PartitionList;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user