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Implemented AM_ExportTwlBackup/AM_ImportTwlBackup and AM_ReadTwlBackupInfo.

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yellows8 2016-10-19 12:33:04 -04:00
parent 0eb70a4350
commit f7eed42835
2 changed files with 104 additions and 0 deletions
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31
libctru/include/3ds/services/am.h
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@ -141,6 +141,37 @@ Result AM_GetPendingTitleInfo(u32 titleCount, FS_MediaType mediatype, u64 *title
*/
Result AM_GetDeviceId(u32 *deviceID);
/**
* @brief Exports DSiWare to the specified filepath.
* @param titleID TWL titleID.
* @param operation DSiWare operation type.
* @param workbuf Work buffer.
* @param workbuf_size Work buffer size, must be >=0x20000.
* @param filepath UTF-8 filepath(converted to UTF-16 internally).
*/
Result AM_ExportTwlBackup(u64 titleID, u8 operation, void* workbuf, u32 workbuf_size, const char *filepath);
/**
* @brief Imports DSiWare from the specified file.
* @param filehandle FSUSER file handle.
* @param operation DSiWare operation type.
* @param buffer Work buffer.
* @param size Buffer size, must be >=0x20000.
*/
Result AM_ImportTwlBackup(Handle filehandle, u8 operation, void* buffer, u32 size);
/**
* @brief Reads info from the specified DSiWare export file. This can only be used with DSiWare exported with certain operation value(s).
* @param filehandle FSUSER file handle.
* @param outinfo Output info buffer.
* @param outinfo_size Output info buffer size.
* @param workbuf Work buffer.
* @param workbuf_size Work buffer size.
* @param banner Output banner buffer.
* @param banner_size Output banner buffer size.
*/
Result AM_ReadTwlBackupInfo(Handle filehandle, void* outinfo, u32 outinfo_size, void* workbuf, u32 workbuf_size, void* banner, u32 banner_size);
/**
* @brief Retrieves information about the NAND TWL partition.
* @param[out] info Pointer to output the TWL partition info to.

73
libctru/source/services/am.c
View File

@ -1,5 +1,6 @@
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <3ds/types.h>
#include <3ds/result.h>
#include <3ds/svc.h>
@ -7,6 +8,7 @@
#include <3ds/synchronization.h>
#include <3ds/services/am.h>
#include <3ds/ipc.h>
#include <3ds/util/utf.h>
static Handle amHandle;
static int amRefCount;
@ -199,6 +201,77 @@ Result AM_GetDeviceId(u32 *deviceID)
return (Result)cmdbuf[1];
}
Result AM_ExportTwlBackup(u64 titleID, u8 operation, void* workbuf, u32 workbuf_size, const char *filepath)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
size_t len=255;
ssize_t units=0;
uint16_t filepath16[256];
memset(filepath16, 0, sizeof(filepath16));
units = utf8_to_utf16(filepath16, (uint8_t*)filepath, len);
if(units < 0 || units > len)return -2;
len = (units+1)*2;
cmdbuf[0] = IPC_MakeHeader(0x1B,5,4); // 0x001B0144
cmdbuf[1] = titleID & 0xffffffff;
cmdbuf[2] = (u32)(titleID >> 32);
cmdbuf[3] = len;
cmdbuf[4] = workbuf_size;
cmdbuf[5] = operation;
cmdbuf[6] = IPC_Desc_Buffer(len,IPC_BUFFER_R);
cmdbuf[7] = (u32)filepath16;
cmdbuf[8] = IPC_Desc_Buffer(workbuf_size,IPC_BUFFER_W);
cmdbuf[9] = (u32)workbuf;
if(R_FAILED(ret = svcSendSyncRequest(amHandle))) return ret;
return (Result)cmdbuf[1];
}
Result AM_ImportTwlBackup(Handle filehandle, u8 operation, void* buffer, u32 size)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(0x1C,2,4); // 0x001C0084
cmdbuf[1] = size;
cmdbuf[2] = operation;
cmdbuf[3] = IPC_Desc_MoveHandles(1);
cmdbuf[4] = filehandle;
cmdbuf[5] = IPC_Desc_Buffer(size,IPC_BUFFER_W);
cmdbuf[6] = (u32)buffer;
if(R_FAILED(ret = svcSendSyncRequest(amHandle))) return ret;
return (Result)cmdbuf[1];
}
Result AM_ReadTwlBackupInfo(Handle filehandle, void* outinfo, u32 outinfo_size, void* workbuf, u32 workbuf_size, void* banner, u32 banner_size)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(0x1E,3,8); // 0x001E00C8
cmdbuf[1] = outinfo_size;
cmdbuf[2] = workbuf_size;
cmdbuf[3] = banner_size;
cmdbuf[4] = IPC_Desc_MoveHandles(1);
cmdbuf[5] = filehandle;
cmdbuf[6] = IPC_Desc_Buffer(outinfo_size,IPC_BUFFER_W);
cmdbuf[7] = (u32)outinfo;
cmdbuf[8] = IPC_Desc_Buffer(workbuf_size,IPC_BUFFER_W);
cmdbuf[9] = (u32)workbuf;
cmdbuf[10] = IPC_Desc_Buffer(banner_size,IPC_BUFFER_W);
cmdbuf[11] = (u32)banner;
if(R_FAILED(ret = svcSendSyncRequest(amHandle))) return ret;
return (Result)cmdbuf[1];
}
Result AM_GetTWLPartitionInfo(AM_TWLPartitionInfo *info)
{
Result ret = 0;