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Added Write() function to Archive and Archive_RomFS

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This commit is contained in:
archshift 2014-08-20 22:03:31 -07:00
parent 2386764756
commit 4b94f103dc
4 changed files with 45 additions and 2 deletions
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9
src/core/file_sys/archive.h
View File

@ -44,6 +44,15 @@ public:
*/
virtual size_t Read(const u64 offset, const u32 length, u8* buffer) const = 0;
/**
* Write data to the archive
* @param offset Offset in bytes to start writing archive to
* @param length Length in bytes to write data to archive
* @param buffer Buffer to write data from
* @return Number of bytes written
*/
virtual size_t Write(const u64 offset, const u32 length, u8* buffer) = 0;
/**
* Get the size of the archive in bytes
* @return Size of the archive in bytes

15
src/core/file_sys/archive_romfs.cpp
View File

@ -34,6 +34,21 @@ size_t Archive_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const
return length;
}
/**
* Write data to the archive
* @param offset Offset in bytes to start writing archive to
* @param length Length in bytes to write data to archive
* @param buffer Buffer to write data from
* @return Number of bytes written
*/
size_t Archive_RomFS::Write(const u64 offset, const u32 length, u8* buffer) {
DEBUG_LOG(FILESYS, "called offset=%d, length=%d", offset, length);
raw_data.reserve(offset + length);
raw_data.insert(raw_data.begin() + offset, buffer, buffer + length);
return length;
}
/**
* Get the size of the archive in bytes
* @return Size of the archive in bytes

9
src/core/file_sys/archive_romfs.h
View File

@ -37,6 +37,15 @@ public:
*/
size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
/**
* Write data to the archive
* @param offset Offset in bytes to start writing archive to
* @param length Length in bytes to write data to archive
* @param buffer Buffer to write data from
* @return Number of bytes written
*/
size_t Write(const u64 offset, const u32 length, u8* buffer) override;
/**
* Get the size of the archive in bytes
* @return Size of the archive in bytes

14
src/core/hle/kernel/archive.cpp
View File

@ -48,8 +48,8 @@ public:
Result SyncRequest(bool* wait) {
u32* cmd_buff = Service::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
// Read from archive...
case FileCommand::Read:
{
@ -59,12 +59,22 @@ public:
cmd_buff[2] = backend->Read(offset, length, Memory::GetPointer(address));
break;
}
// Write to archive...
case FileCommand::Write:
{
u64 offset = cmd_buff[1] | ((u64) cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u32 address = cmd_buff[5];
cmd_buff[2] = backend->Write(offset, length, Memory::GetPointer(address));
break;
}
// Unknown command...
default:
{
ERROR_LOG(KERNEL, "Unknown command=0x%08X!", cmd);
return -1;
}
}
cmd_buff[1] = 0; // No error
return 0;
}