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add DLC title content-info count and data accessors

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Named specially to indicate they require amAppInit instead of amInit
This commit is contained in:
LiquidFenrir 2021-12-21 23:38:40 +01:00 committed by fincs
parent 6360f4bdb1
commit 5f13628dac
2 changed files with 74 additions and 0 deletions
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36
libctru/include/3ds/services/am.h
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@ -56,6 +56,23 @@ typedef struct {
u64 titlesFreeSpace; ///< Free space for titles.
} AM_TWLPartitionInfo;
/// Contains information about a title's content.
typedef struct {
u16 index; ///< Index of the content in the title.
u16 type; ///< ?
u32 contentId; ///< ID of the content in the title.
u64 size; ///< Size of the content in the title.
u8 flags; ///< @ref AM_ContentInfoFlags
u8 padding[7]; ///< Padding
} AM_ContentInfo;
/// Title ContentInfo flags.
typedef enum
{
AM_CONTENT_DOWNLOADED = BIT(0), ///< ?
AM_CONTENT_OWNED = BIT(1) ///< ?
} AM_ContentInfoFlags;
/// Initializes AM. This doesn't initialize with "am:app", see amAppInit().
Result amInit(void);
@ -500,3 +517,22 @@ Result AM_DeleteAllExpiredTitles(FS_MediaType mediatype);
/// Deletes all TWL titles.
Result AM_DeleteAllTwlTitles(void);
/**
* @brief Gets the number of content index installed under the specified DLC title.
* @param[out] count Pointer to output the number of content indices to.
* @param mediatype Media type of the title.
* @param titleID Title ID to retrieve the count for (high-id is 0x0004008C).
*/
Result AMAPP_GetDLCContentInfoCount(u32* count, FS_MediaType mediatype, u64 titleID);
/**
* @brief Gets content infos installed under the specified DLC title.
* @param[out] contentInfoRead Pointer to output the number of content infos read to.
* @param mediatype Media type of the title.
* @param titleID Title ID to retrieve the content infos for (high-id is 0x0004008C).
* @param contentInfoCount Number of content infos to retrieve.
* @param offset Offset from the first content index the count starts at.
* @param[out] contentInfos Pointer to output the content infos read to.
*/
Result AMAPP_ListDLCContentInfos(u32* contentInfoRead, FS_MediaType mediatype, u64 titleID, u32 contentInfoCount, u32 offset, AM_ContentInfo* contentInfos);

38
libctru/source/services/am.c
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@ -1031,3 +1031,41 @@ Result AM_DeleteAllTwlTitles(void)
return (Result)cmdbuf[1];
}
Result AMAPP_GetDLCContentInfoCount(u32* count, FS_MediaType mediatype, u64 titleID)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(0x1001,3,0); // 0x100100C0
cmdbuf[1] = (u32)mediatype;
cmdbuf[2] = titleID & 0xffffffff;
cmdbuf[3] = (u32)(titleID >> 32);
if(R_FAILED(ret = svcSendSyncRequest(amHandle))) return ret;
*count = cmdbuf[2];
return (Result)cmdbuf[1];
}
Result AMAPP_ListDLCContentInfos(u32* contentInfoRead, FS_MediaType mediatype, u64 titleID, u32 contentInfoCount, u32 offset, AM_ContentInfo* contentInfos)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = (IPC_MakeHeader(0x1003,5,2)); // 0x10030142
cmdbuf[1] = contentInfoCount;
cmdbuf[2] = (u32)mediatype;
cmdbuf[3] = titleID & 0xffffffff;
cmdbuf[4] = (u32)(titleID >> 32);
cmdbuf[5] = offset;
cmdbuf[6] = IPC_Desc_Buffer(contentInfoCount * 0x18, IPC_BUFFER_W);
cmdbuf[7] = (u32)contentInfos;
if(R_FAILED(ret = svcSendSyncRequest(amHandle))) return ret;
*contentInfoRead = cmdbuf[2];
return (Result)cmdbuf[1];
}