Fixing warnings and small fixes.

sys/amd64/disasm.c

@@ -1198,9 +1198,7 @@ db_disasm_esc(loc, inst, rex, short_addr, size, seg)
  * next instruction.
  */
 uintptr_t
-db_disasm(loc, altfmt)
-	uintptr_t	loc;
-	bool	altfmt;
+db_disasm(uintptr_t loc, bool altfmt)
 {
 	int	inst;
 	int	size;

sys/amd64/machine.c

@@ -26,6 +26,7 @@ extern void PS2_Init();
 extern void PCI_Init();
 extern void IDE_Init();
 extern void MachineBoot_AddMem();
+extern void Loader_LoadInit();
 
 #define GDT_MAX 8
 
@@ -150,7 +151,7 @@ void Machine_Init()
     VFS_MountRoot(root);
 
     Critical_Exit();
-    
+
     Thread *thr = Thread_KThreadCreate(&Machine_IdleThread, NULL);
     if (thr == NULL) {
 	kprintf("Couldn't create idle thread!\n");

sys/kern/syscall.c

@@ -2,6 +2,8 @@
 #include <stdbool.h>
 #include <stdint.h>
 
+#include <errno.h>
+
 #include <sys/kassert.h>
 #include <sys/kmem.h>
 #include <sys/thread.h>
@@ -77,7 +79,7 @@ Syscall_MUnmap(uint64_t addr, uint64_t len)
 uint64_t
 Syscall_MProtect(uint64_t addr, uint64_t len, uint64_t prot)
 {
-    Thread *cur = Thread_Current();
+    //Thread *cur = Thread_Current();
     NOT_IMPLEMENTED();
     return 0;
 }
@@ -89,7 +91,7 @@ Syscall_Read(uint64_t fd, uint64_t addr, uint64_t off, uint64_t length)
     Handle *handle = Handle_Lookup(cur, fd);
 
     if (handle == NULL)
-	return -1;
+	return -EBADF;
 
     // Verify memory region and pin
 
@@ -103,7 +105,7 @@ Syscall_Write(uint64_t fd, uint64_t addr, uint64_t off, uint64_t length)
     Handle *handle = Handle_Lookup(cur, fd);
 
     if (handle == NULL)
-	return -1;
+	return -EBADF;
 
     // Verify memory region and pin
 
@@ -117,7 +119,7 @@ Syscall_Flush(uint64_t fd)
     Handle *handle = Handle_Lookup(cur, fd);
 
     if (handle == NULL)
-	return -1;
+	return -EBADF;
 
     return (handle->flush)(handle);
 }
@@ -136,7 +138,7 @@ Syscall_Close(uint64_t fd)
     Handle *handle = Handle_Lookup(cur, fd);
 
     if (handle == NULL)
-	return -1;
+	return -EBADF;
 
     return (handle->close)(handle);
 }

sys/kern/thread.c

@@ -63,6 +63,7 @@ Thread_Create()
     }
 
     thr->schedState = SCHED_STATE_NULL;
+    thr->nextFD = 0;
 
     Handle_Init(thr);