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Fix fsOpenFileSystem (#153)

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* Fix fsOpenFileSystem

* Make fsOpenFileSystem and fsOpenFileSystemWithId work on all firmware versions

* Add some comments for fsOpenFileSystem(WithId)
This commit is contained in:
Rajko Stojadinovic 2018-09-09 19:56:38 +02:00 committed by fincs
parent 122fec028c
commit dcdb5c28a4
2 changed files with 33 additions and 52 deletions
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4
nx/include/switch/services/fs.h
View File

@ -179,8 +179,8 @@ typedef enum
} FsFileSystemType;
/// Mount requested filesystem type from content file
Result fsOpenFileSystem(FsFileSystem* out, u64 titleId, FsFileSystemType fsType); /// only on 1.0.0, only works with registered content
Result fsOpenFileSystemWithId(FsFileSystem* out, u64 titleId, FsFileSystemType fsType, const char* contentPath); /// 2.0.0+, contentPath must be resolved manually
Result fsOpenFileSystem(FsFileSystem* out, FsFileSystemType fsType, const char* contentPath); /// same as calling fsOpenFileSystemWithId with 0 as titleId
Result fsOpenFileSystemWithId(FsFileSystem* out, u64 titleId, FsFileSystemType fsType, const char* contentPath); /// works on all firmwares, titleId is ignored on 1.0.0
// IFileSystem
Result fsFsCreateFile(FsFileSystem* fs, const char* path, size_t size, int flags);

81
nx/source/services/fs.c
View File

@ -4,6 +4,7 @@
#include "result.h"
#include "arm/atomics.h"
#include "kernel/ipc.h"
#include "kernel/detect.h"
#include "services/fs.h"
#include "services/sm.h"
@ -432,43 +433,8 @@ Result fsMount_SystemSaveData(FsFileSystem* out, u64 saveID) {
return fsMountSystemSaveData(out, FsSaveDataSpaceId_NandSystem, &save);
}
Result fsOpenFileSystem(FsFileSystem* out, u64 titleId, FsFileSystemType fsType) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u32 fsType;
u64 titleId;
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 0;
raw->fsType = fsType;
raw->titleId = titleId;
Result rc = serviceIpcDispatch(&g_fsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
ipcParse(&r);
struct {
u64 magic;
u64 result;
} *resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) {
serviceCreate(&out->s, r.Handles[0]);
}
}
return rc;
Result fsOpenFileSystem(FsFileSystem* out, FsFileSystemType fsType, const char* contentPath) {
return fsOpenFileSystemWithId(out, 0, fsType, contentPath);
}
Result fsOpenFileSystemWithId(FsFileSystem* out, u64 titleId, FsFileSystemType fsType, const char* contentPath) {
@ -479,19 +445,34 @@ Result fsOpenFileSystemWithId(FsFileSystem* out, u64 titleId, FsFileSystemType f
ipcInitialize(&c);
ipcAddSendStatic(&c, sendStr, sizeof(sendStr), 0);
struct {
u64 magic;
u64 cmd_id;
u32 fsType;
u64 titleId;
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 8;
raw->fsType = fsType;
raw->titleId = titleId;
if (kernelAbove200()) {
struct {
u64 magic;
u64 cmd_id;
u32 fsType;
u64 titleId;
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 8;
raw->fsType = fsType;
raw->titleId = titleId;
}
else {
struct {
u64 magic;
u64 cmd_id;
u32 fsType;
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 0;
raw->fsType = fsType;
}
Result rc = serviceIpcDispatch(&g_fsSrv);