X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fsyscalls.c;h=d629ae4e8e16fb215b24211cb9921b24355c4990;hb=HEAD;hp=32cc45dac4eee8be1b94e2f473a437e223b5ecfd;hpb=ed7804028b2b11be0703677aa8eb643a811e5027;p=tpg%2Facess2.git diff --git a/Kernel/syscalls.c b/Kernel/syscalls.c deleted file mode 100644 index 32cc45da..00000000 --- a/Kernel/syscalls.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * AcessOS Microkernel Version - * syscalls.c - */ -#define DEBUG 0 - -#include -#include -#include -#include - -// === IMPORTS === -extern int Proc_Clone(Uint *Err, Uint Flags); -extern Uint Proc_SendMessage(Uint *Err, Uint Dest, Uint Length, void *Data); -extern int Proc_GetMessage(Uint *Err, Uint *Source, void *Buffer); -extern int Proc_Execve(char *File, char **ArgV, char **EnvP); -extern Uint Binary_Load(char *file, Uint *entryPoint); - -// === CODE === -void SyscallHandler(tSyscallRegs *Regs) -{ - Uint ret=0, err=0; - #if DEBUG - ENTER("iThread iNum", gCurrentThread->TID, Regs->Num); - if(Regs->Num < NUM_SYSCALLS) - LOG("Syscall %s", cSYSCALL_NAMES[Regs->Num]); - LOG("Arg1: 0x%x, Arg2: 0x%x, Arg3: 0x%x", Regs->Arg1, Regs->Arg2, Regs->Arg3); - #endif - switch(Regs->Num) - { - // -- Exit the current thread - case SYS_EXIT: Proc_Exit(); break; - - // -- Put the current thread to sleep - case SYS_SLEEP: Proc_Sleep(); Log(" SyscallHandler: %i is alive", gCurrentThread->TID); break; - - // -- Yield current timeslice - case SYS_YIELD: Proc_Yield(); break; - - // -- Clone the current thread - case SYS_CLONE: - // Call clone system call - ret = Proc_Clone(&err, Regs->Arg1); - // Change user stack if requested - if(ret == 0 && Regs->Arg2) - Regs->StackPointer = Regs->Arg2; - break; - - // -- Send a signal - case SYS_KILL: - err = -ENOSYS; - ret = -1; - break; - - // -- Map an address - case SYS_MAP: MM_Map(Regs->Arg1, Regs->Arg2); break; - // -- Allocate an address - case SYS_ALLOCATE: ret = MM_Allocate(Regs->Arg1); break; - // -- Unmap an address - case SYS_UNMAP: MM_Deallocate(Regs->Arg1); break; - - // -- Get Thread/Process IDs - case SYS_GETTID: ret = gCurrentThread->TID; break; - case SYS_GETPID: ret = gCurrentThread->TGID; break; - // -- Get User/Group IDs - case SYS_GETUID: ret = gCurrentThread->UID; break; - case SYS_GETGID: ret = gCurrentThread->GID; break; - - // -- Send Message - case SYS_SENDMSG: - ret = Proc_SendMessage(&err, Regs->Arg1, Regs->Arg2, (void*)Regs->Arg3); - break; - // -- Check for messages - case SYS_GETMSG: - ret = Proc_GetMessage(&err, (Uint*)Regs->Arg1, (void*)Regs->Arg2); - break; - - // -- Set the thread's name - case SYS_SETNAME: - // Sanity Check - if(!Regs->Arg1) { ret = -1; err = -EINVAL; break; } - // Lock Process - LOCK( &gCurrentThread->IsLocked ); - // Free old name - if(gCurrentThread->ThreadName && (Uint)gCurrentThread->ThreadName > 0xE0800000) - free(gCurrentThread->ThreadName); - // Change name - gCurrentThread->ThreadName = malloc( strlen( (char*)Regs->Arg1 ) + 1 ); - strcpy(gCurrentThread->ThreadName, (char*)Regs->Arg1); - // Unlock - RELEASE( &gCurrentThread->IsLocked ); - break; - - // --- - // Binary Control - // --- - case SYS_EXECVE: - ret = Proc_Execve((char*)Regs->Arg1, (char**)Regs->Arg2, (char**)Regs->Arg3); - break; - case SYS_LOADBIN: - ret = Binary_Load((char*)Regs->Arg1, (Uint*)Regs->Arg2); - break; - - // --- - // Virtual Filesystem - // --- - case SYS_OPEN: - ret = VFS_Open((char*)Regs->Arg1, Regs->Arg2 | VFS_OPENFLAG_USER); - break; - - case SYS_CLOSE: - VFS_Close( Regs->Arg1 ); - break; - - case SYS_WRITE: - #if BITS < 64 - VFS_Write( Regs->Arg1, Regs->Arg2|((Uint64)Regs->Arg3<<32), (void*)Regs->Arg4 ); - #else - VFS_Write( Regs->Arg1, Regs->Arg2, (void*)Regs->Arg3 ); - #endif - break; - - - // -- Debug - case SYS_DEBUG: - Log((char*)Regs->Arg1, - Regs->Arg2, Regs->Arg3, Regs->Arg4, Regs->Arg5, Regs->Arg6); - break; - - // -- Default (Return Error) - default: - Warning("SyscallHandler: Unknown System Call %i", Regs->Num); - if(Regs->Num < NUM_SYSCALLS) - Warning(" Syscall %s", cSYSCALL_NAMES[Regs->Num]); - err = -ENOSYS; - ret = -1; - break; - } - Regs->Return = ret; - Regs->Error = err; - #if DEBUG - LOG("SyscallHandler: err = %i", err); - LEAVE('x', ret); - #endif -} -