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https://github.com/Atmosphere-NX/Atmosphere.git
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Stratosphere: Add libnx fsp-ldr wrapper to Loader
This commit is contained in:
parent
af11f9fdec
commit
f0759b0afc
3 changed files with 199 additions and 2 deletions
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@ -4,6 +4,8 @@
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#include <malloc.h>
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#include <switch.h>
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#include <switch/services/lr.h>
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#include "lib/fsldr.h"
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#include "waitablemanager.hpp"
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#include "serviceserver.hpp"
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@ -19,8 +21,7 @@ u32 __nx_applet_type = AppletType_None;
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size_t nx_inner_heap_size = INNER_HEAP_SIZE;
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char nx_inner_heap[INNER_HEAP_SIZE];
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void __libnx_initheap(void)
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{
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void __libnx_initheap(void) {
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void* addr = nx_inner_heap;
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size_t size = nx_inner_heap_size;
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@ -32,6 +33,38 @@ void __libnx_initheap(void)
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fake_heap_end = (char*)addr + size;
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}
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void __appInit(void) {
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Result rc;
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/* Initialize services we need (TODO: SPL) */
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rc = smInitialize();
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if (R_FAILED(rc))
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fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_SM));
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rc = fsInitialize();
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if (R_FAILED(rc))
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fatalSimple(MAKERESULT(Module_Libnx, LibnxError_InitFail_FS));
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rc = lrInitialize();
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if (R_FAILED(rc))
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fatalSimple(0xCAFE << 4 | 1);
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rc = fsldrInitialize();
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if (R_FAILED(rc))
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fatalSimple(0xCAFE << 4 | 2);
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fsdevInit();
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}
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void __appExit(void) {
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/* Cleanup services. */
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fsdevExit();
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fsldrExit();
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lrExit();
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fsExit();
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smExit();
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}
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int main(int argc, char **argv)
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{
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consoleDebugInit(debugDevice_SVC);
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147
stratosphere/loader/source/lib/fsldr.c
Normal file
147
stratosphere/loader/source/lib/fsldr.c
Normal file
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@ -0,0 +1,147 @@
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// Copyright 2018 SciresM
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#include <string.h>
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#include <switch/types.h>
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#include <switch/result.h>
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#include <switch/arm/atomics.h>
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#include <switch/kernel/ipc.h>
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#include <switch/kernel/detect.h>
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#include <switch/services/fs.h>
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#include <switch/services/sm.h>
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#include "fsldr.h"
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static Service g_fsldrSrv;
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static u64 g_fsldrRefCnt;
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Result fsldrSetCurrentProcess();
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Result fsldrInitialize(void) {
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atomicIncrement64(&g_refCnt);
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if (serviceIsActive(&g_fsldrSrv))
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return 0;
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Result rc = smGetService(&g_fsldrSrv, "fsp-ldr");
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if (R_SUCCEEDED(rc) && kernelAbove400()) {
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rc = fsldrSetCurrentProcess();
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}
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return rc;
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}
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void fsldrExit(void) {
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if (atomicDecrement64(&g_fsldrRefCnt) == 0)
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serviceClose(&g_fsldrSrv);
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}
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Result fsldrOpenCodeFileSystem(u64 tid, const char *path, FsFileSystem* out) {
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char send_path[FS_MAX_PATH] = {0};
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IpcCommand c;
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ipcInitialize(&c);
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ipcAddSendStatic(&c, send_path, FS_MAX_PATH, 0);
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struct {
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u64 magic;
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u64 cmd_id;
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u64 tid;
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} *raw;
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raw = ipcPrepareHeader(&c, sizeof(*raw));
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raw->magic = SFCI_MAGIC;
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raw->cmd_id = 0;
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raw->tid = tid;
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strncpy(send_path, path, FS_MAX_PATH);
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Result rc = serviceIpcDispatch(&g_fsldrSrv);
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if (R_SUCCEEDED(rc)) {
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IpcParsedCommand r;
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ipcParse(&r);
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struct {
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u64 magic;
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u64 result;
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} *resp = r.Raw;
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rc = resp->result;
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if (R_SUCCEEDED(rc)) {
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serviceCreate(&out->s, r.Handles[0]);
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}
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}
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return rc;
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}
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Result fsldrIsArchivedProgram(u64 pid, bool *out) {
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IpcCommand c;
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ipcInitialize(&c);
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struct {
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u64 magic;
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u64 cmd_id;
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u64 pid;
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} *raw;
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raw = ipcPrepareHeader(&c, sizeof(*raw));
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raw->magic = SFCI_MAGIC;
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raw->cmd_id = 1;
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raw->pid = pid;
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Result rc = serviceIpcDispatch(&g_fsldrSrv);
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if (R_SUCCEEDED(rc)) {
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IpcParsedCommand r;
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ipcParse(&r);
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struct {
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u64 magic;
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u64 result;
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u8 is_archived;
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} *resp = r.Raw;
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rc = resp->result;
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if (R_SUCCEEDED(rc)) {
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*out = is_archived != 0;
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}
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}
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return rc;
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}
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Result fsldrSetCurrentProcess() {
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IpcCommand c;
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ipcInitialize(&c);
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ipcSendPid(&c);
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struct {
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u64 magic;
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u64 cmd_id;
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u64 unk;
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} *raw;
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raw = ipcPrepareHeader(&c, sizeof(*raw));
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raw->magic = SFCI_MAGIC;
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raw->cmd_id = 2;
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raw->unk = 0;
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rc = serviceIpcDispatch(&g_fsldrSrv);
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if (R_SUCCEEDED(rc)) {
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IpcParsedCommand r;
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ipcParse(&r);
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struct {
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u64 magic;
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u64 result;
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} *resp = r.Raw;
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rc = resp->result;
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}
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return rc;
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}
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17
stratosphere/loader/source/lib/fsldr.h
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17
stratosphere/loader/source/lib/fsldr.h
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/**
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* @file fsldr.h
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* @brief FilesystemProxy-ForLoader (fsp-ldr) service IPC wrapper.
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* @author SciresM
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* @copyright libnx Authors
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*/
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#pragma once
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#include <switch/types.h>
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#include <switch/services/sm.h>
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#include <switch/services/fs.h>
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Result fsldrInitialize(void);
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void fsldrExit(void);
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Result fsldrOpenCodeFileSystem(u64 tid, const char *path, FsFileSystem* out);
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Result fsldrIsArchivedProgram(u64 pid, bool *out);
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Result fsldrSetCurrentProcess();
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