7 #define DONT_INCLUDE_SYSCALL_NAMES 1
8 #include "../../Usermode/include/acess/sys.h"
9 #include "../syscalls.h"
13 #define DEBUG(v...) Debug(v)
15 typedef struct sFILE FILE;
18 extern void exit(int) __attribute__ ((noreturn));
19 extern int printf(const char *, ...);
20 extern int fprintf(FILE *,const char *, ...);
21 extern int sprintf(char *,const char *, ...);
22 extern int vprintf(const char *, va_list);
23 extern int strncmp(const char *, const char *, size_t);
25 extern int giSyscall_ClientID; // Needed for execve
26 extern void Debug(const char *Format, ...);
27 extern int AllocateMemory(uintptr_t VirtAddr, size_t ByteCount);
30 #define NATIVE_FILE_MASK 0x40000000
34 int acess_chdir(const char *Path)
36 return _Syscall(SYS_CHDIR, ">s", Path);
39 int acess_open(const char *Path, int Flags)
41 if( strncmp(Path, "$$$$", 4) == 0 )
43 return native_open(Path, Flags) | NATIVE_FILE_MASK;
45 DEBUG("open(\"%s\", 0x%x)", Path, Flags);
46 return _Syscall(SYS_OPEN, ">s >i", Path, Flags);
49 void acess_close(int FD) {
50 if(FD & NATIVE_FILE_MASK) {
51 return native_close(FD & (NATIVE_FILE_MASK-1));
53 DEBUG("close(%i)", FD);
54 _Syscall(SYS_CLOSE, ">i", FD);
57 int acess_reopen(int FD, const char *Path, int Flags) {
58 DEBUG("reopen(0x%x, \"%s\", 0x%x)", FD, Path, Flags);
59 return _Syscall(SYS_REOPEN, ">i >s >i", FD, Path, Flags);
62 size_t acess_read(int FD, void *Dest, size_t Bytes) {
63 if(FD & NATIVE_FILE_MASK)
64 return native_read(FD & (NATIVE_FILE_MASK-1), Dest, Bytes);
65 DEBUG("read(0x%x, 0x%x, *%p)", FD, Bytes, Dest);
66 return _Syscall(SYS_READ, ">i >i <d", FD, Bytes, Bytes, Dest);
69 size_t acess_write(int FD, const void *Src, size_t Bytes) {
70 if(FD & NATIVE_FILE_MASK)
71 return native_write(FD & (NATIVE_FILE_MASK-1), Src, Bytes);
72 DEBUG("write(0x%x, 0x%x, %p\"%.*s\")", FD, Bytes, Src, Bytes, (char*)Src);
73 return _Syscall(SYS_WRITE, ">i >i >d", FD, Bytes, Bytes, Src);
76 int acess_seek(int FD, int64_t Ofs, int Dir) {
77 if(FD & NATIVE_FILE_MASK) {
78 return native_seek(FD & (NATIVE_FILE_MASK-1), Ofs, Dir);
80 DEBUG("seek(0x%x, 0x%llx, %i)", FD, Ofs, Dir);
81 return _Syscall(SYS_SEEK, ">i >I >i", FD, Ofs, Dir);
84 uint64_t acess_tell(int FD) {
85 if(FD & NATIVE_FILE_MASK)
86 return native_tell( FD & (NATIVE_FILE_MASK-1) );
87 return _Syscall(SYS_TELL, ">i", FD);
90 int acess_ioctl(int fd, int id, void *data) {
91 // NOTE: 1024 byte size is a hack
92 DEBUG("ioctl(%i, %i, %p)", fd, id, data);
93 return _Syscall(SYS_IOCTL, ">i >i ?d", fd, id, 1024, data);
95 int acess_finfo(int fd, t_sysFInfo *info, int maxacls) {
96 DEBUG("offsetof(size, t_sysFInfo) = %i", offsetof(t_sysFInfo, size));
97 DEBUG("finfo(%i, %p, %i)", fd, info, maxacls);
98 return _Syscall(SYS_FINFO, ">i <d >i",
100 sizeof(t_sysFInfo)+maxacls*sizeof(t_sysACL), info,
105 int acess_readdir(int fd, char *dest) {
106 DEBUG("readdir(%i, %p)", fd, dest);
107 return _Syscall(SYS_READDIR, ">i <d", fd, 256, dest);
110 int acess_select(int nfds, fd_set *read, fd_set *write, fd_set *error, time_t *timeout)
112 DEBUG("select(%i, %p, %p, %p, %p)", nfds, read, write, error, timeout);
113 return _Syscall(SYS_SELECT, ">i ?d ?d ?d >d", nfds,
114 read ? (nfds+7)/8 : 0, read,
115 write ? (nfds+7)/8 : 0, write,
116 error ? (nfds+7)/8 : 0, error,
117 sizeof(*timeout), timeout
121 int acess__SysOpenChild(int fd, char *name, int flags) {
122 return _Syscall(SYS_OPENCHILD, ">i >s >i", fd, name, flags);
125 int acess__SysGetACL(int fd, t_sysACL *dest) {
126 return _Syscall(SYS_GETACL, ">i <d", fd, sizeof(t_sysACL), dest);
129 int acess__SysMount(const char *Device, const char *Directory, const char *Type, const char *Options) {
130 return _Syscall(SYS_MOUNT, ">s >s >s >s", Device, Directory, Type, Options);
135 int acess__SysSetFaultHandler(int (*Handler)(int)) {
136 printf("TODO: Set fault handler (asked to set to %p)\n", Handler);
140 // --- Memory Management ---
141 uint64_t acess__SysAllocate(uint vaddr)
143 if( AllocateMemory(vaddr, 0x1000) == -1 ) // Allocate a page
146 return vaddr; // Just ignore the need for paddrs :)
149 // --- Process Management ---
150 int acess_clone(int flags, void *stack)
152 extern int fork(void);
153 if(flags & CLONE_VM) {
154 int ret, newID, kernel_tid=0;
157 newID = _Syscall(SYS_FORK, "<d", sizeof(int), &kernel_tid);
159 if(ret < 0) return ret;
163 giSyscall_ClientID = newID;
167 // Return the acess TID instead
172 fprintf(stderr, "ERROR: Threads currently unsupported\n");
177 int acess_execve(char *path, char **argv, char **envp)
181 DEBUG("acess_execve: (path='%s', argv=%p, envp=%p)", path, argv, envp);
183 // Get argument count
184 for( argc = 0; argv[argc]; argc ++ ) ;
185 DEBUG(" acess_execve: argc = %i", argc);
187 char *new_argv[5+argc+1];
189 sprintf(key, "%i", giSyscall_ClientID);
190 new_argv[0] = "ld-acess"; // TODO: Get path to ld-acess executable
191 new_argv[1] = "--key"; // Set socket/client ID for Request.c
193 new_argv[3] = "--binary"; // Set the binary path (instead of using argv[0])
195 for( i = 0; i < argc; i ++ ) new_argv[5+i] = argv[i];
196 new_argv[5+i] = NULL;
200 for( i = 0; i < argc; i ++ )
201 printf("\"%s\" ", new_argv[i]);
205 // Call actual execve
206 return execve("./ld-acess", new_argv, envp);
209 void acess_sleep(void)
211 _Syscall(SYS_SLEEP, "");
214 int acess_waittid(int TID, int *ExitStatus)
216 return _Syscall(SYS_WAITTID, ">i <d", TID, sizeof(int), &ExitStatus);
219 int acess_setuid(int ID)
221 return _Syscall(SYS_SETUID, ">i", ID);
224 int acess_setgid(int ID)
226 return _Syscall(SYS_SETGID, ">i", ID);
229 int acess_SysSendMessage(int DestTID, int Length, void *Data)
231 return _Syscall(SYS_SENDMSG, ">i >d", DestTID, Length, Data);
234 int acess_SysGetMessage(int *SourceTID, void *Data)
236 return _Syscall(SYS_GETMSG, "<d <d",
237 SourceTID ? sizeof(int) : 0, SourceTID,
238 Data ? 4096 : 0, Data
243 void acess__SysDebug(const char *Format, ...)
247 va_start(args, Format);
249 printf("[_SysDebug %i]", giSyscall_ClientID);
250 vprintf(Format, args);
256 void acess__exit(int Status)
258 DEBUG("_exit(%i)", Status);
259 _Syscall(SYS_EXIT, ">i", Status);
264 // === Symbol List ===
265 #define DEFSYM(name) {#name, acess_##name}
266 const tSym caBuiltinSymbols[] = {
281 DEFSYM(_SysOpenChild),
293 DEFSYM(SysSendMessage),
294 DEFSYM(SysGetMessage),
296 DEFSYM(_SysAllocate),
298 DEFSYM(_SysSetFaultHandler)
301 const int ciNumBuiltinSymbols = sizeof(caBuiltinSymbols)/sizeof(caBuiltinSymbols[0]);