Module Name: src
Committed By: reinoud
Date: Thu Aug 25 14:24:48 UTC 2011
Modified Files:
src/sys/arch/usermode/include: pcb.h
Log Message:
Add trapframe and extent pcb for NetBSD/usermode; both mere dummies since
there are no traps delivered nor a process has ever been started...
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/usermode/include/pcb.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/include/pcb.h
diff -u src/sys/arch/usermode/include/pcb.h:1.3 src/sys/arch/usermode/include/pcb.h:1.4
--- src/sys/arch/usermode/include/pcb.h:1.3 Fri Aug 12 00:57:24 2011
+++ src/sys/arch/usermode/include/pcb.h Thu Aug 25 14:24:48 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: pcb.h,v 1.3 2011/08/12 00:57:24 jmcneill Exp $ */
+/* $NetBSD: pcb.h,v 1.4 2011/08/25 14:24:48 reinoud Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <[email protected]>
@@ -32,9 +32,23 @@
#include <sys/cdefs.h>
#include <sys/ucontext.h>
+/*
+ * Trap frame. Pushed onto the kernel stack on a trap (synchronous exception).
+ * XXX move to frame.h?
+ */
+
+typedef struct trapframe {
+ int tf_reason; /* XXX unused */
+ vaddr_t tf_pc; /* return address */
+ uintptr_t tf_out[8]; /* to transport info */
+} trapframe_t;
+
+
struct pcb {
ucontext_t pcb_ucp;
bool pcb_needfree;
+ struct trapframe *pcb_tf; /* XXX */
+ void * pcb_onfault; /* on fault handler */
};
#endif /* !_ARCH_USERMODE_INCLUDE_PCB_H */
