Moving mmap to poly, cleaning up devices.

This commit is contained in:
Ben Vanik
2014-08-17 12:57:02 -07:00
parent 24fe169f36
commit 854bcdb60a
37 changed files with 568 additions and 653 deletions

View File

@@ -9,33 +9,22 @@
#include <xenia/kernel/fs/devices/host_path_entry.h>
#include <poly/mapped_memory.h>
#include <xenia/kernel/fs/devices/host_path_file.h>
using namespace xe;
using namespace xe::kernel;
using namespace xe::kernel::fs;
namespace {
namespace xe {
namespace kernel {
namespace fs {
class HostPathMemoryMapping : public MemoryMapping {
public:
HostPathMemoryMapping(uint8_t* address, size_t length, xe_mmap_ref mmap) :
MemoryMapping(address, length) {
mmap_ = xe_mmap_retain(mmap);
}
virtual ~HostPathMemoryMapping() {
xe_mmap_release(mmap_);
}
private:
xe_mmap_ref mmap_;
public:
HostPathMemoryMapping(std::unique_ptr<poly::MappedMemory> mmap)
: MemoryMapping(mmap->data(), mmap->size()), mmap_(std::move(mmap)) {}
private:
std::unique_ptr<poly::MappedMemory> mmap_;
};
}
HostPathEntry::HostPathEntry(Type type, Device* device, const char* path,
const std::wstring& local_path)
: Entry(type, device, path),
@@ -54,24 +43,23 @@ X_STATUS HostPathEntry::QueryInfo(XFileInfo* out_info) {
assert_not_null(out_info);
WIN32_FILE_ATTRIBUTE_DATA data;
if (!GetFileAttributesEx(
local_path_.c_str(), GetFileExInfoStandard, &data)) {
if (!GetFileAttributesEx(local_path_.c_str(), GetFileExInfoStandard, &data)) {
return X_STATUS_ACCESS_DENIED;
}
out_info->creation_time = COMBINE_TIME(data.ftCreationTime);
out_info->last_access_time = COMBINE_TIME(data.ftLastAccessTime);
out_info->last_write_time = COMBINE_TIME(data.ftLastWriteTime);
out_info->change_time = COMBINE_TIME(data.ftLastWriteTime);
out_info->allocation_size = 4096;
out_info->file_length =
out_info->creation_time = COMBINE_TIME(data.ftCreationTime);
out_info->last_access_time = COMBINE_TIME(data.ftLastAccessTime);
out_info->last_write_time = COMBINE_TIME(data.ftLastWriteTime);
out_info->change_time = COMBINE_TIME(data.ftLastWriteTime);
out_info->allocation_size = 4096;
out_info->file_length =
((uint64_t)data.nFileSizeHigh << 32) | data.nFileSizeLow;
out_info->attributes = (X_FILE_ATTRIBUTES)data.dwFileAttributes;
out_info->attributes = (X_FILE_ATTRIBUTES)data.dwFileAttributes;
return X_STATUS_SUCCESS;
}
X_STATUS HostPathEntry::QueryDirectory(
XDirectoryInfo* out_info, size_t length, const char* file_name, bool restart) {
X_STATUS HostPathEntry::QueryDirectory(XDirectoryInfo* out_info, size_t length,
const char* file_name, bool restart) {
assert_not_null(out_info);
WIN32_FIND_DATA ffd;
@@ -97,8 +85,7 @@ X_STATUS HostPathEntry::QueryDirectory(
}
return X_STATUS_UNSUCCESSFUL;
}
}
else {
} else {
if (FindNextFile(handle, &ffd) == FALSE) {
FindClose(handle);
find_file_ = INVALID_HANDLE_VALUE;
@@ -115,62 +102,62 @@ X_STATUS HostPathEntry::QueryDirectory(
}
out_info->next_entry_offset = 0;
out_info->file_index = 0xCDCDCDCD;
out_info->creation_time = COMBINE_TIME(ffd.ftCreationTime);
out_info->last_access_time = COMBINE_TIME(ffd.ftLastAccessTime);
out_info->last_write_time = COMBINE_TIME(ffd.ftLastWriteTime);
out_info->change_time = COMBINE_TIME(ffd.ftLastWriteTime);
out_info->end_of_file =
out_info->file_index = 0xCDCDCDCD;
out_info->creation_time = COMBINE_TIME(ffd.ftCreationTime);
out_info->last_access_time = COMBINE_TIME(ffd.ftLastAccessTime);
out_info->last_write_time = COMBINE_TIME(ffd.ftLastWriteTime);
out_info->change_time = COMBINE_TIME(ffd.ftLastWriteTime);
out_info->end_of_file =
((uint64_t)ffd.nFileSizeHigh << 32) | ffd.nFileSizeLow;
out_info->allocation_size = 4096;
out_info->attributes = (X_FILE_ATTRIBUTES)ffd.dwFileAttributes;
out_info->allocation_size = 4096;
out_info->attributes = (X_FILE_ATTRIBUTES)ffd.dwFileAttributes;
out_info->file_name_length = (uint32_t)entry_name_length;
out_info->file_name_length = (uint32_t)entry_name_length;
for (size_t i = 0; i < entry_name_length; ++i) {
out_info->file_name[i] =
ffd.cFileName[i] < 256 ? (char)ffd.cFileName[i] : '?';
out_info->file_name[i] =
ffd.cFileName[i] < 256 ? (char)ffd.cFileName[i] : '?';
}
return X_STATUS_SUCCESS;
}
MemoryMapping* HostPathEntry::CreateMemoryMapping(xe_file_mode file_mode,
MemoryMapping* HostPathEntry::CreateMemoryMapping(Mode map_mode,
const size_t offset,
const size_t length) {
xe_mmap_ref mmap =
xe_mmap_open(file_mode, local_path_.c_str(), offset, length);
auto mmap = poly::MappedMemory::Open(
local_path_,
map_mode == Mode::READ ? poly::MappedMemory::Mode::READ
: poly::MappedMemory::Mode::READ_WRITE,
offset, length);
if (!mmap) {
return NULL;
return nullptr;
}
HostPathMemoryMapping* lfmm = new HostPathMemoryMapping(
(uint8_t*)xe_mmap_get_addr(mmap), xe_mmap_get_length(mmap),
mmap);
xe_mmap_release(mmap);
HostPathMemoryMapping* lfmm = new HostPathMemoryMapping(std::move(mmap));
return lfmm;
}
X_STATUS HostPathEntry::Open(
KernelState* kernel_state,
uint32_t desired_access, bool async,
XFile** out_file) {
X_STATUS HostPathEntry::Open(KernelState* kernel_state, Mode mode,
bool async, XFile** out_file) {
DWORD desired_access =
mode == Mode::READ ? GENERIC_READ : (GENERIC_READ | GENERIC_WRITE);
DWORD share_mode = FILE_SHARE_READ;
DWORD creation_disposition = OPEN_EXISTING;
DWORD flags_and_attributes = async ? FILE_FLAG_OVERLAPPED : 0;
HANDLE file = CreateFile(
local_path_.c_str(),
desired_access,
share_mode,
NULL,
creation_disposition,
flags_and_attributes | FILE_FLAG_BACKUP_SEMANTICS,
NULL);
HANDLE file =
CreateFile(local_path_.c_str(), desired_access, share_mode, NULL,
creation_disposition,
flags_and_attributes | FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (file == INVALID_HANDLE_VALUE) {
// TODO(benvanik): pick correct response.
return X_STATUS_ACCESS_DENIED;
}
*out_file = new HostPathFile(kernel_state, desired_access, this, file);
*out_file = new HostPathFile(kernel_state, mode, this, file);
return X_STATUS_SUCCESS;
}
} // namespace fs
} // namespace kernel
} // namespace xe