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[FS] AbnegateAccessRight, SetArchivePriority, GetArchiveResource

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wheremyfoodat 2023-08-27 17:41:32 +03:00
parent 7bf97ab840
commit 5f52a1bec4
3 changed files with 58 additions and 1 deletions
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7
include/fs/archive_base.hpp
View file

@ -251,4 +251,11 @@ public:
virtual std::optional<u32> readFile(FileSession* file, u64 offset, u32 size, u32 dataPointer) = 0;
ArchiveBase(Memory& mem) : mem(mem) {}
};
struct ArchiveResource {
u32 sectorSize; // Size of a sector in bytes
u32 clusterSize; // Size of a cluster in bytes
u32 partitionCapacityInClusters;
u32 freeSpaceInClusters;
};

4
include/services/fs.hpp
View file

@ -41,6 +41,7 @@ class FSService {
FSPath readPath(u32 type, u32 pointer, u32 size);
// Service commands
void abnegateAccessRight(u32 messagePointer);
void createDirectory(u32 messagePointer);
void createExtSaveData(u32 messagePointer);
void createFile(u32 messagePointer);
@ -50,12 +51,12 @@ class FSService {
void deleteFile(u32 messagePointer);
void formatSaveData(u32 messagePointer);
void formatThisUserSaveData(u32 messagePointer);
void getArchiveResource(u32 messagePointer);
void getFreeBytes(u32 messagePointer);
void getFormatInfo(u32 messagePointer);
void getPriority(u32 messagePointer);
void getThisSaveDataSecureValue(u32 messagePointer);
void theGameboyVCFunction(u32 messagePointer);
void initialize(u32 messagePointer);
void initializeWithSdkVersion(u32 messagePointer);
void isSdmcDetected(u32 messagePointer);
@ -64,6 +65,7 @@ class FSService {
void openDirectory(u32 messagePointer);
void openFile(u32 messagePointer);
void openFileDirectly(u32 messagePointer);
void setArchivePriority(u32 messagePointer);
void setPriority(u32 messagePointer);
// Used for set/get priority: Not sure what sort of priority this is referring to

48
src/core/services/fs.cpp
View file

@ -25,10 +25,13 @@ namespace FSCommands {
GetFreeBytes = 0x08120080,
IsSdmcDetected = 0x08170000,
IsSdmcWritable = 0x08180000,
AbnegateAccessRight = 0x08400040,
GetFormatInfo = 0x084500C2,
GetArchiveResource = 0x08490040,
FormatSaveData = 0x084C0242,
CreateExtSaveData = 0x08510242,
DeleteExtSaveData = 0x08520100,
SetArchivePriority = 0x085A00C0,
InitializeWithSdkVersion = 0x08610042,
SetPriority = 0x08620040,
GetPriority = 0x08630000,
@ -158,6 +161,7 @@ void FSService::handleSyncRequest(u32 messagePointer) {
case FSCommands::DeleteFile: deleteFile(messagePointer); break;
case FSCommands::FormatSaveData: formatSaveData(messagePointer); break;
case FSCommands::FormatThisUserSaveData: formatThisUserSaveData(messagePointer); break;
case FSCommands::GetArchiveResource: getArchiveResource(messagePointer); break;
case FSCommands::GetFreeBytes: getFreeBytes(messagePointer); break;
case FSCommands::GetFormatInfo: getFormatInfo(messagePointer); break;
case FSCommands::GetPriority: getPriority(messagePointer); break;
@ -170,7 +174,9 @@ void FSService::handleSyncRequest(u32 messagePointer) {
case FSCommands::OpenDirectory: openDirectory(messagePointer); break;
case FSCommands::OpenFile: [[likely]] openFile(messagePointer); break;
case FSCommands::OpenFileDirectly: [[likely]] openFileDirectly(messagePointer); break;
case FSCommands::SetArchivePriority: setArchivePriority(messagePointer); break;
case FSCommands::SetPriority: setPriority(messagePointer); break;
case FSCommands::AbnegateAccessRight: abnegateAccessRight(messagePointer); break;
case FSCommands::TheGameboyVCFunction: theGameboyVCFunction(messagePointer); break;
default: Helpers::panic("FS service requested. Command: %08X\n", command);
}
@ -579,6 +585,36 @@ void FSService::getPriority(u32 messagePointer) {
mem.write32(messagePointer + 8, priority);
}
void FSService::getArchiveResource(u32 messagePointer) {
const u32 mediaType = mem.read32(messagePointer + 4);
log("FS::GetArchiveResource (media type = %d) (stubbed)\n");
// For the time being, return the same stubbed archive resource for every media type
static constexpr ArchiveResource resource = {
.sectorSize = 512,
.clusterSize = 16_KB,
.partitionCapacityInClusters = 0x80000, // 0x80000 * 16 KB = 8GB
.freeSpaceInClusters = 0x80000, // Same here
};
mem.write32(messagePointer, IPC::responseHeader(0x849, 5, 0));
mem.write32(messagePointer + 4, Result::Success);
mem.write32(messagePointer + 8, resource.sectorSize);
mem.write32(messagePointer + 12, resource.clusterSize);
mem.write32(messagePointer + 16, resource.partitionCapacityInClusters);
mem.write32(messagePointer + 20, resource.freeSpaceInClusters);
}
void FSService::setArchivePriority(u32 messagePointer) {
Handle archive = mem.read64(messagePointer + 4);
const u32 value = mem.read32(messagePointer + 12);
log("FS::SetArchivePriority (priority = %d, archive handle = %X)\n", value, handle);
mem.write32(messagePointer, IPC::responseHeader(0x85A, 1, 0));
mem.write32(messagePointer + 4, Result::Success);
}
void FSService::setPriority(u32 messagePointer) {
const u32 value = mem.read32(messagePointer + 4);
log("FS::SetPriority (priority = %d)\n", value);
@ -588,6 +624,18 @@ void FSService::setPriority(u32 messagePointer) {
priority = value;
}
void FSService::abnegateAccessRight(u32 messagePointer) {
const u32 right = mem.read32(messagePointer + 4);
log("FS::AbnegateAccessRight (right = %d)\n", right);
if (right >= 0x38) {
Helpers::warn("FS::AbnegateAccessRight: Invalid access right");
}
mem.write32(messagePointer, IPC::responseHeader(0x840, 1, 0));
mem.write32(messagePointer + 4, Result::Success);
}
void FSService::getThisSaveDataSecureValue(u32 messagePointer) {
Helpers::warn("Unimplemented FS::GetThisSaveDataSecureValue");