RPCSX/rpcsx
1
0
Fork 0
mirror of https://github.com/RPCSX/rpcsx.git synced 2026-04-09 00:14:56 +00:00
Code Issues Projects Releases Packages Wiki Activity

[orbis-kernel] WIP new io device implementation

Browse source 
Not used yet
This commit is contained in:
DH 2023-07-11 23:14:33 +03:00
parent 679bf94b5c
commit 855b7ab75c
3 changed files with 111 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

56
orbis-kernel/include/orbis/file.hpp Normal file
View file

@ -0,0 +1,56 @@
#pragma once
#include "KernelAllocator.hpp"
#include "error/ErrorCode.hpp"
#include <atomic>
#include <cstdint>
namespace orbis {
struct File;
struct KNote;
struct Thread;
struct Stat;
struct Uio;
struct FileOps {
std::int32_t flags;
ErrorCode (*ioctl)(File *file, std::uint64_t request, void *argp,
Thread *thread) = nullptr;
ErrorCode (*rdwr)(File *file, Uio *uio, Thread *thread) = nullptr;
ErrorCode (*close)(File *file, Thread *thread) = nullptr;
ErrorCode (*lseek)(File *file, std::uint64_t *offset, std::uint32_t whence,
Thread *thread) = nullptr;
ErrorCode (*truncate)(File *file, std::uint64_t len,
Thread *thread) = nullptr;
ErrorCode (*poll)(File *file, std::uint32_t events, Thread *thread) = nullptr;
ErrorCode (*kqfilter)(File *file, KNote *kn, Thread *thread) = nullptr;
ErrorCode (*stat)(File *file, Stat *sb, Thread *thread) = nullptr;
// TODO: chown
// TODO: chmod
ErrorCode (*mmap)(File *file, void **address, std::uint64_t size,
std::int32_t prot, std::int32_t flags, std::int64_t offset,
Thread *thread) = nullptr;
ErrorCode (*munmap)(File *file, void **address, std::uint64_t size,
Thread *thread) = nullptr;
};
struct File {
FileOps *ops;
Ref<RcBase> device;
std::atomic<unsigned> refs{0};
void incRef() { refs.fetch_add(1, std::memory_order::acquire); }
void decRef() {
if (refs.fetch_sub(1, std::memory_order::release) == 1) {
kdelete(this);
}
}
};
} // namespace orbis