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IOS/FS: Move NAND size related constants to FileSystem.h. 

That way they're available for calculating NAND stats to display to the user. This also adds a few more constants.
This commit is contained in:
Admiral H. Curtiss 2023-07-14 04:13:31 +02:00
parent 7f40c6f2f8
commit 0d9e027a0b
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GPG Key ID: F051B4C4044F33FB
2 changed files with 27 additions and 15 deletions
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27
Source/Core/Core/IOS/FS/FileSystem.h
View File

@ -107,6 +107,33 @@ struct Metadata
u16 fst_index;
};
// size of a single cluster in the NAND in bytes
constexpr u16 CLUSTER_SIZE = 16384;
// total number of clusters available in the NAND
constexpr u16 TOTAL_CLUSTERS = 0x7ec0;
// number of clusters reserved for bad blocks and similar, not accessible to normal writes
constexpr u16 RESERVED_CLUSTERS = 0x0300;
// number of clusters actually usable by the file system
constexpr u16 USABLE_CLUSTERS = TOTAL_CLUSTERS - RESERVED_CLUSTERS;
// size of a single 'block' as defined by the Wii System Menu in clusters
constexpr u16 CLUSTERS_PER_BLOCK = 8;
// total number of user-accessible blocks in the NAND
constexpr u16 USER_BLOCKS = 2176;
// total number of user-accessible clusters in the NAND
constexpr u16 USER_CLUSTERS = USER_BLOCKS * CLUSTERS_PER_BLOCK;
// the inverse of that, the amount of usable clusters reserved for system files
constexpr u16 SYSTEM_CLUSTERS = USABLE_CLUSTERS - USER_CLUSTERS;
// total number of inodes available in the NAND
constexpr u16 TOTAL_INODES = 0x17ff;
struct NandStats
{
u32 cluster_size;

15
Source/Core/Core/IOS/FS/HostBackend/FS.cpp
View File

@ -29,21 +29,6 @@ namespace IOS::HLE::FS
{
constexpr u32 BUFFER_CHUNK_SIZE = 65536;
// size of a single cluster in the NAND
constexpr u16 CLUSTER_SIZE = 16384;
// total number of clusters available in the NAND
constexpr u16 TOTAL_CLUSTERS = 0x7ec0;
// number of clusters reserved for bad blocks and similar, not accessible to normal writes
constexpr u16 RESERVED_CLUSTERS = 0x0300;
// number of clusters actually usable by the file system
constexpr u16 USABLE_CLUSTERS = TOTAL_CLUSTERS - RESERVED_CLUSTERS;
// total number of inodes available in the NAND
constexpr u16 TOTAL_INODES = 0x17ff;
HostFileSystem::HostFilename HostFileSystem::BuildFilename(const std::string& wii_path) const
{
for (const auto& redirect : m_nand_redirects)