X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fsyscalls.c;h=96f1f854644c389450ae1a02f6d22262d6baddd8;hb=82595a34a73b4667a98349cceeb17f618bd41282;hp=34a35c5f095263ab98cc9e3861007d0a05bae3d7;hpb=c34752b7ccc945a70a2d9b1e505aa4a4de43163b;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/syscalls.c b/KernelLand/Kernel/syscalls.c index 34a35c5f..96f1f854 100644 --- a/KernelLand/Kernel/syscalls.c +++ b/KernelLand/Kernel/syscalls.c @@ -72,6 +72,10 @@ void SyscallHandler(tSyscallRegs *Regs) // -- Put the current thread to sleep case SYS_SLEEP: Threads_Sleep(); break; + + case SYS_TIMEDSLEEP: + Time_Delay(Regs->Arg1); + break; // -- Yield current timeslice case SYS_YIELD: Threads_Yield(); break; @@ -199,7 +203,20 @@ void SyscallHandler(tSyscallRegs *Regs) // Path, *Entrypoint ret = Binary_Load((char*)Regs->Arg1, (Uint*)Regs->Arg2); break; - + + // -- Load a kernel module + case SYS_LOADMOD: + CHECK_STR_NONULL( (const char *)Regs->Arg1 ); + if( Threads_GetUID() != 0 ) { + MERR("Not root"); + ret = EACCES; + } + else { + LOG("Module_LoadFile(\"%s\", NULL)", (const char *)Regs->Arg1); + ret = Module_LoadFile( (const char *)Regs->Arg1, NULL ); + } + break; + // --- // Virtual Filesystem // --- @@ -315,14 +332,10 @@ void SyscallHandler(tSyscallRegs *Regs) else { // Sanity check the paths - if(!Syscall_ValidString((char*)Regs->Arg1) - || !Syscall_ValidString((char*)Regs->Arg2) - || (Regs->Arg3 && !Syscall_ValidString((char*)Regs->Arg3)) - || !Syscall_ValidString((char*)Regs->Arg4) ) { - err = -EINVAL; - ret = -1; - break; - } + CHECK_STR_NONULL((char*)Regs->Arg1); + CHECK_STR_NONULL((char*)Regs->Arg2); + CHECK_STR_NULLOK((char*)Regs->Arg3); + CHECK_STR_NONULL((char*)Regs->Arg4); ret = VFS_Mount( (char*)Regs->Arg1, // Device (char*)Regs->Arg2, // Mount point @@ -355,7 +368,17 @@ void SyscallHandler(tSyscallRegs *Regs) 0 // User handles ); break; + + + // Create a directory + case SYS_MKDIR: + CHECK_STR_NONULL( (char*)Regs->Arg1 ); + ret = VFS_MkDir( (char*)Regs->Arg1 ); + break; + case SYS_UNLINK: + Log_Error("Syscalls", "TODO: Impliment SYS_UNLINK"); + // Fall // -- Debug //#if DEBUG_BUILD case SYS_DEBUG: