2 * AcessOS Microkernel Version
13 extern int Proc_Clone(Uint *Err, Uint Flags);
14 extern Uint Proc_SendMessage(Uint *Err, Uint Dest, Uint Length, void *Data);
15 extern int Proc_GetMessage(Uint *Err, Uint *Source, void *Buffer);
16 extern int Proc_Execve(char *File, char **ArgV, char **EnvP);
17 extern Uint Binary_Load(char *file, Uint *entryPoint);
18 extern int VFS_FInfo(int FD, void *Dest, int MaxACLs);
21 void SyscallHandler(tSyscallRegs *Regs)
26 ENTER("iThread iNum", gCurrentThread->TID, Regs->Num);
27 if(Regs->Num < NUM_SYSCALLS)
28 LOG("Syscall %s", cSYSCALL_NAMES[Regs->Num]);
29 LOG("Arg1: 0x%x, Arg2: 0x%x, Arg3: 0x%x", Regs->Arg1, Regs->Arg2, Regs->Arg3);
33 // -- Exit the current thread
34 case SYS_EXIT: Proc_Exit(); break;
36 // -- Put the current thread to sleep
37 case SYS_SLEEP: Proc_Sleep(); Log(" SyscallHandler: %i is alive", gCurrentThread->TID); break;
39 // -- Yield current timeslice
40 case SYS_YIELD: Proc_Yield(); break;
42 // -- Clone the current thread
44 // Call clone system call
45 ret = Proc_Clone(&err, Regs->Arg1);
46 // Change user stack if requested
47 if(ret == 0 && Regs->Arg2)
48 Regs->StackPointer = Regs->Arg2;
58 ret = MM_GetPhysAddr(Regs->Arg1);
61 case SYS_MAP: MM_Map(Regs->Arg1, Regs->Arg2); break;
62 // -- Allocate an address
63 case SYS_ALLOCATE: ret = MM_Allocate(Regs->Arg1); break;
64 // -- Unmap an address
65 case SYS_UNMAP: MM_Deallocate(Regs->Arg1); break;
67 // -- Get Thread/Process IDs
68 case SYS_GETTID: ret = gCurrentThread->TID; break;
69 case SYS_GETPID: ret = gCurrentThread->TGID; break;
70 // -- Get User/Group IDs
71 case SYS_GETUID: ret = gCurrentThread->UID; break;
72 case SYS_GETGID: ret = gCurrentThread->GID; break;
76 ret = Proc_SendMessage(&err, Regs->Arg1, Regs->Arg2, (void*)Regs->Arg3);
78 // -- Check for messages
80 ret = Proc_GetMessage(&err, (Uint*)Regs->Arg1, (void*)Regs->Arg2);
83 // -- Set the thread's name
86 if(!Regs->Arg1) { ret = -1; err = -EINVAL; break; }
88 LOCK( &gCurrentThread->IsLocked );
90 if(gCurrentThread->ThreadName && (Uint)gCurrentThread->ThreadName > 0xE0800000)
91 free(gCurrentThread->ThreadName);
93 gCurrentThread->ThreadName = malloc( strlen( (char*)Regs->Arg1 ) + 1 );
94 strcpy(gCurrentThread->ThreadName, (char*)Regs->Arg1);
96 RELEASE( &gCurrentThread->IsLocked );
103 ret = Proc_Execve((char*)Regs->Arg1, (char**)Regs->Arg2, (char**)Regs->Arg3);
106 ret = Binary_Load((char*)Regs->Arg1, (Uint*)Regs->Arg2);
110 // Virtual Filesystem
113 ret = VFS_Open((char*)Regs->Arg1, Regs->Arg2 | VFS_OPENFLAG_USER);
117 VFS_Close( Regs->Arg1 );
122 VFS_Write( Regs->Arg1, Regs->Arg2|((Uint64)Regs->Arg3<<32), (void*)Regs->Arg4 );
124 VFS_Write( Regs->Arg1, Regs->Arg2, (void*)Regs->Arg3 );
130 VFS_Read( Regs->Arg1, Regs->Arg2|((Uint64)Regs->Arg3<<32), (void*)Regs->Arg4 );
132 VFS_Read( Regs->Arg1, Regs->Arg2, (void*)Regs->Arg3 );
137 ret = VFS_FInfo( Regs->Arg1, (void*)Regs->Arg2, Regs->Arg3 );
142 Log((char*)Regs->Arg1,
143 Regs->Arg2, Regs->Arg3, Regs->Arg4, Regs->Arg5, Regs->Arg6);
146 // -- Default (Return Error)
148 Warning("SyscallHandler: Unknown System Call %i", Regs->Num);
149 if(Regs->Num < NUM_SYSCALLS)
150 Warning(" Syscall '%s'", cSYSCALL_NAMES[Regs->Num]);
156 Regs->Return = ret&0xFFFFFFFF;
157 Regs->RetHi = ret >> 32;
163 LOG("SyscallHandler: err = %i", err);