enderice2/Fennix
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Implement file syscalls

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This commit is contained in:
Alex 2023-04-21 18:32:43 +03:00
parent dc7b1fc4c9
commit d76585cce3
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 30 additions and 11 deletions
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39
SystemCalls/Native.cpp
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@ -139,9 +139,9 @@ static uintptr_t sys_kernelctl(SyscallsFrame *Frame, enum KCtl Command, uint64_t
int retries = 0; int retries = 0;
RetryReadPath: RetryReadPath:
debug("KCTL_REGISTER_ELF_LIB: Trying to open %s", FullPath.c_str()); debug("KCTL_REGISTER_ELF_LIB: Trying to open %s", FullPath.c_str());
std::shared_ptr<VirtualFileSystem::File> f = vfs->Open(FullPath.c_str()); VirtualFileSystem::File f = vfs->Open(FullPath.c_str());
if (f->Status != VirtualFileSystem::FileStatus::OK) if (!f.IsOK())
{ {
FullPath.clear(); FullPath.clear();
switch (retries) switch (retries)
@ -173,7 +173,7 @@ static uintptr_t sys_kernelctl(SyscallsFrame *Frame, enum KCtl Command, uint64_t
} }
vfs->Close(f); vfs->Close(f);
if (Execute::AddLibrary(Identifier, (void *)f->node->Address, f->node->Length)) if (Execute::AddLibrary(Identifier, (void *)f.node->Address, f.node->Length))
return SYSCALL_OK; return SYSCALL_OK;
else else
return SYSCALL_INTERNAL_ERROR; return SYSCALL_INTERNAL_ERROR;
@ -230,26 +230,45 @@ static int sys_ipc(SyscallsFrame *Frame, enum IPCCommand Command, enum IPCType T
static uint64_t sys_file_open(SyscallsFrame *Frame, const char *Path, uint64_t Flags) static uint64_t sys_file_open(SyscallsFrame *Frame, const char *Path, uint64_t Flags)
{ {
fixme("%s, %#lx", Path, Flags); debug("(Path: %s, Flags: %#lx)", Path, Flags);
return 0; VirtualFileSystem::File KPObj = vfs->Open(Path);
if (!KPObj.IsOK())
{
debug("Failed to open file %s (%d)", Path, KPObj.Status);
vfs->Close(KPObj);
return SYSCALL_INTERNAL_ERROR;
}
VirtualFileSystem::File *KernelPrivate = (VirtualFileSystem::File *)TaskManager->GetCurrentThread()->Memory->RequestPages(TO_PAGES(sizeof(VirtualFileSystem::File)));
*KernelPrivate = KPObj;
debug("Opened file %s (%d)", KPObj.Name, KPObj.Status);
return (uint64_t)KernelPrivate;
} }
static int sys_file_close(SyscallsFrame *Frame, void *KernelPrivate) static int sys_file_close(SyscallsFrame *Frame, void *KernelPrivate)
{ {
fixme("%#lx", KernelPrivate); debug("(KernelPrivate: %#lx)", KernelPrivate);
if (KernelPrivate)
{
VirtualFileSystem::File KPObj = *(VirtualFileSystem::File *)KernelPrivate;
debug("Closed file %s (%d)", KPObj.Name, KPObj.Status);
vfs->Close(KPObj);
TaskManager->GetCurrentThread()->Memory->FreePages(KernelPrivate, TO_PAGES(sizeof(VirtualFileSystem::File)));
return SYSCALL_OK; return SYSCALL_OK;
} }
return SYSCALL_INVALID_ARGUMENT;
}
static uint64_t sys_file_read(SyscallsFrame *Frame, void *KernelPrivate, uint64_t Offset, uint8_t *Buffer, uint64_t Size) static uint64_t sys_file_read(SyscallsFrame *Frame, void *KernelPrivate, uint64_t Offset, uint8_t *Buffer, uint64_t Size)
{ {
fixme("%#lx, %#lx, %#lx, %#lx, %#lx", Frame, KernelPrivate, Offset, Buffer, Size); debug("(KernelPrivate: %#lx, Offset: %#lx, Buffer: %#lx, Size: %#lx)", KernelPrivate, Offset, Buffer, Size);
return 0; return vfs->Read(*(VirtualFileSystem::File *)KernelPrivate, Offset, Buffer, Size);
} }
static uint64_t sys_file_write(SyscallsFrame *Frame, void *KernelPrivate, uint64_t Offset, uint8_t *Buffer, uint64_t Size) static uint64_t sys_file_write(SyscallsFrame *Frame, void *KernelPrivate, uint64_t Offset, uint8_t *Buffer, uint64_t Size)
{ {
fixme("%#lx, %#lx, %#lx, %#lx, %#lx", Frame, KernelPrivate, Offset, Buffer, Size); debug("(KernelPrivate: %#lx, Offset: %#lx, Buffer: %#lx, Size: %#lx)", KernelPrivate, Offset, Buffer, Size);
return 0; return vfs->Write(*(VirtualFileSystem::File *)KernelPrivate, Offset, Buffer, Size);
} }
static int sys_file_seek(SyscallsFrame *Frame) static int sys_file_seek(SyscallsFrame *Frame)