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Code Issues Releases Activity

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This commit is contained in:
Pablo Curiel 2020-04-16 00:37:16 -04:00
parent c83858311b
commit d3ad9d84b6
3 changed files with 91 additions and 65 deletions
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94
source/gamecard.c
View file

@ -23,17 +23,24 @@
#include "service_guard.h"
#include "utils.h"
#define GAMECARD_READ_BUFFER_SIZE 0x800000 /* 8 MiB */
#define GAMECARD_ACCESS_WAIT_TIME 3 /* Seconds */
#define GAMECARD_UPDATE_TID (u64)0x0100000000000816
#define GAMECARD_READ_BUFFER_SIZE 0x800000 /* 8 MiB */
#define GAMECARD_ECC_BLOCK_SIZE 0x200
#define GAMECARD_ECC_DATA_SIZE 0x24
#define GAMECARD_STORAGE_AREA_NAME(x) ((x) == GameCardStorageArea_Normal ? "normal" : ((x) == GameCardStorageArea_Secure ? "secure" : "none"))
#define GAMECARD_CAPACITY_1GiB (u64)0x40000000
#define GAMECARD_CAPACITY_2GiB (u64)0x80000000
#define GAMECARD_CAPACITY_4GiB (u64)0x100000000
#define GAMECARD_CAPACITY_8GiB (u64)0x200000000
#define GAMECARD_CAPACITY_16GiB (u64)0x400000000
#define GAMECARD_CAPACITY_32GiB (u64)0x800000000
/* Type definitions. */
typedef enum {
@ -67,6 +74,7 @@ static u8 *g_gameCardReadBuf = NULL;
static GameCardHeader g_gameCardHeader = {0};
static u64 g_gameCardStorageNormalAreaSize = 0, g_gameCardStorageSecureAreaSize = 0;
static u64 g_gameCardCapacity = 0;
static u8 *g_gameCardHfsRootHeader = NULL; /// GameCardHashFileSystemHeader + GameCardHashFileSystemEntry + Name Table.
static GameCardHashFileSystemPartitionInfo *g_gameCardHfsPartitions = NULL;
@ -89,7 +97,8 @@ static bool gamecardOpenStorageArea(u8 area);
static bool gamecardReadStorageArea(void *out, u64 out_size, u64 offset, bool lock);
static void gamecardCloseStorageArea(void);
static bool gamecardGetSizesFromStorageAreas(void);
static bool gamecardGetStorageAreasSizes(void);
static inline u64 gamecardGetCapacityFromRomSizeValue(u8 rom_size);
/* Service guard used to generate thread-safe initialize + exit functions. */
/* I'm using this here even though this actually isn't a service but who cares, it gets the job done. */
@ -97,10 +106,13 @@ NX_GENERATE_SERVICE_GUARD(gamecard);
bool gamecardIsReady(void)
{
bool ret = false;
mtx_lock(&g_gameCardSharedDataMutex);
bool status = (g_gameCardInserted && g_gameCardInfoLoaded);
ret = (g_gameCardInserted && g_gameCardInfoLoaded);
mtx_unlock(&g_gameCardSharedDataMutex);
return status;
return ret;
}
bool gamecardRead(void *out, u64 out_size, u64 offset)
@ -123,7 +135,7 @@ bool gamecardGetHeader(GameCardHeader *out)
return ret;
}
bool gamecardGetTotalRomSize(u64 *out)
bool gamecardGetTotalSize(u64 *out)
{
bool ret = false;
@ -138,7 +150,7 @@ bool gamecardGetTotalRomSize(u64 *out)
return ret;
}
bool gamecardGetTrimmedRomSize(u64 *out)
bool gamecardGetTrimmedSize(u64 *out)
{
bool ret = false;
@ -153,6 +165,21 @@ bool gamecardGetTrimmedRomSize(u64 *out)
return ret;
}
bool gamecardGetRomCapacity(u64 *out)
{
bool ret = false;
mtx_lock(&g_gameCardSharedDataMutex);
if (g_gameCardInserted && g_gameCardInfoLoaded && out)
{
*out = g_gameCardCapacity;
ret = true;
}
mtx_unlock(&g_gameCardSharedDataMutex);
return ret;
}
bool gamecardGetCertificate(FsGameCardCertificate *out)
{
Result rc = 0;
@ -418,7 +445,7 @@ static void gamecardLoadInfo(void)
/* Retrieve gamecard storage area sizes */
/* gamecardReadStorageArea() actually checks if the storage area sizes are greater than zero, so we must first perform this step */
if (!gamecardGetSizesFromStorageAreas())
if (!gamecardGetStorageAreasSizes())
{
LOGFILE("Failed to retrieve gamecard storage area sizes!");
goto out;
@ -438,18 +465,19 @@ static void gamecardLoadInfo(void)
goto out;
}
if (utilsGetCustomFirmwareType() == UtilsCustomFirmwareType_SXOS)
{
/* The total size for the secure storage area is maxed out under SX OS */
/* Let's try to calculate it manually */
u64 capacity = gamecardGetCapacityFromHeader(&g_gameCardHeader);
if (!capacity)
/* Get gamecard capacity */
g_gameCardCapacity = gamecardGetCapacityFromRomSizeValue(g_gameCardHeader.rom_size);
if (!g_gameCardCapacity)
{
LOGFILE("Invalid gamecard capacity value! (0x%02X)", g_gameCardHeader.rom_size);
goto out;
}
g_gameCardStorageSecureAreaSize = ((capacity - ((capacity / GAMECARD_ECC_BLOCK_SIZE) * GAMECARD_ECC_DATA_SIZE)) - g_gameCardStorageNormalAreaSize);
if (utilsGetCustomFirmwareType() == UtilsCustomFirmwareType_SXOS)
{
/* The total size for the secure storage area is maxed out under SX OS */
/* Let's try to calculate it manually */
g_gameCardStorageSecureAreaSize = ((g_gameCardCapacity - ((g_gameCardCapacity / GAMECARD_ECC_BLOCK_SIZE) * GAMECARD_ECC_DATA_SIZE)) - g_gameCardStorageNormalAreaSize);
}
/* Allocate memory for the root hash FS header */
@ -552,9 +580,12 @@ out:
static void gamecardFreeInfo(void)
{
memset(&g_gameCardHeader, 0, sizeof(GameCardHeader));
g_gameCardStorageNormalAreaSize = 0;
g_gameCardStorageSecureAreaSize = 0;
g_gameCardCapacity = 0;
if (g_gameCardHfsRootHeader)
{
if (g_gameCardHfsPartitions)
@ -759,7 +790,7 @@ static void gamecardCloseStorageArea(void)
g_gameCardStorageCurrentArea = GameCardStorageArea_None;
}
static bool gamecardGetSizesFromStorageAreas(void)
static bool gamecardGetStorageAreasSizes(void)
{
if (!g_gameCardInserted)
{
@ -800,3 +831,34 @@ static bool gamecardGetSizesFromStorageAreas(void)
return true;
}
static inline u64 gamecardGetCapacityFromRomSizeValue(u8 rom_size)
{
u64 capacity = 0;
switch(rom_size)
{
case GameCardRomSize_1GiB:
capacity = GAMECARD_CAPACITY_1GiB;
break;
case GameCardRomSize_2GiB:
capacity = GAMECARD_CAPACITY_2GiB;
break;
case GameCardRomSize_4GiB:
capacity = GAMECARD_CAPACITY_4GiB;
break;
case GameCardRomSize_8GiB:
capacity = GAMECARD_CAPACITY_8GiB;
break;
case GameCardRomSize_16GiB:
capacity = GAMECARD_CAPACITY_16GiB;
break;
case GameCardRomSize_32GiB:
capacity = GAMECARD_CAPACITY_32GiB;
break;
default:
break;
}
return capacity;
}

56
source/gamecard.h
View file

@ -38,12 +38,12 @@ typedef struct {
} GameCardKeyFlags;
typedef enum {
GameCardRomSize_1GB = 0xFA,
GameCardRomSize_2GB = 0xF8,
GameCardRomSize_4GB = 0xF0,
GameCardRomSize_8GB = 0xE0,
GameCardRomSize_16GB = 0xE1,
GameCardRomSize_32GB = 0xE2
GameCardRomSize_1GiB = 0xFA,
GameCardRomSize_2GiB = 0xF8,
GameCardRomSize_4GiB = 0xF0,
GameCardRomSize_8GiB = 0xE0,
GameCardRomSize_16GiB = 0xE1,
GameCardRomSize_32GiB = 0xE2
} GameCardRomSize;
typedef struct {
@ -144,51 +144,15 @@ bool gamecardIsReady(void);
/// Used to read data from the inserted gamecard.
/// All required handles, changes between normal <-> secure storage areas and proper offset calculations are managed internally.
/// offset + out_size should never exceed the value returned by gamecardGetTotalRomSize().
/// offset + out_size should never exceed the value returned by gamecardGetTotalSize().
bool gamecardRead(void *out, u64 out_size, u64 offset);
/// Miscellaneous functions.
bool gamecardGetHeader(GameCardHeader *out);
bool gamecardGetTotalRomSize(u64 *out);
bool gamecardGetTrimmedRomSize(u64 *out);
bool gamecardGetTotalSize(u64 *out);
bool gamecardGetTrimmedSize(u64 *out);
bool gamecardGetRomCapacity(u64 *out); ///< Not the same as gamecardGetTotalSize().
bool gamecardGetCertificate(FsGameCardCertificate *out);
bool gamecardGetBundledFirmwareUpdateVersion(u32 *out);
static inline u64 gamecardGetCapacityFromRomSizeValue(u8 rom_size)
{
u64 capacity = 0;
switch(rom_size)
{
case GameCardRomSize_1GB:
capacity = (u64)0x40000000;
break;
case GameCardRomSize_2GB:
capacity = (u64)0x80000000;
break;
case GameCardRomSize_4GB:
capacity = (u64)0x100000000;
break;
case GameCardRomSize_8GB:
capacity = (u64)0x200000000;
break;
case GameCardRomSize_16GB:
capacity = (u64)0x400000000;
break;
case GameCardRomSize_32GB:
capacity = (u64)0x800000000;
break;
default:
break;
}
return capacity;
}
static inline u64 gamecardGetCapacityFromHeader(GameCardHeader *header)
{
if (!header) return 0;
return gamecardGetCapacityFromRomSizeValue(header->rom_size);
}
#endif /* __GAMECARD_H__ */

4
source/main.c
View file

@ -87,7 +87,7 @@ int main(int argc, char *argv[])
consoleUpdate(NULL);
if (gamecardGetTotalRomSize(&total_size))
if (gamecardGetTotalSize(&total_size))
{
printf("total_size: 0x%lX\n", total_size);
} else {
@ -96,7 +96,7 @@ int main(int argc, char *argv[])
consoleUpdate(NULL);
if (gamecardGetTrimmedRomSize(&trimmed_size))
if (gamecardGetTrimmedSize(&trimmed_size))
{
printf("trimmed_size: 0x%lX\n", trimmed_size);
} else {