[src/trunk]: src/sys/arch/riscv/include Add a md_tp member to mdlwp so that t...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1210ce55e2d4
branches:  trunk
changeset: 337039:1210ce55e2d4
user:      matt <matt%NetBSD.org@localhost>
date:      Tue Mar 31 01:12:29 2015 +0000

description:
Add a md_tp member to mdlwp so that the exception handler can temporarily
store the user's thread pointer before saving it in the trapframe.

diffstat:

 sys/arch/riscv/include/proc.h |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (17 lines):

diff -r 0ecc74fff472 -r 1210ce55e2d4 sys/arch/riscv/include/proc.h
--- a/sys/arch/riscv/include/proc.h     Tue Mar 31 01:11:41 2015 +0000
+++ b/sys/arch/riscv/include/proc.h     Tue Mar 31 01:12:29 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: proc.h,v 1.1 2014/09/19 17:36:26 matt Exp $    */
+/*     $NetBSD: proc.h,v 1.2 2015/03/31 01:12:29 matt Exp $    */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -46,6 +46,7 @@
        struct trapframe *md_utf;       /* trapframe from userspace */
        struct trapframe *md_ktf;       /* trapframe from userspace */
        struct faultbuf *md_onfault;    /* registers to store on fault */
+       register_t md_tp;               /* for locore.S */
        vaddr_t md_ss_addr;             /* single step address for ptrace */
        int     md_ss_instr;            /* single step instruction for ptrace */
        volatile int md_astpending;     /* AST pending on return to userland */