From cdba95bd96ae74557b8af89c6c1d75c3aebf6f81 Mon Sep 17 00:00:00 2001
From: blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sat, 22 Nov 2008 20:34:45 +0000
Subject: [PATCH] Fix BSD user compilation on other than OpenBSD

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5777 c046a42c-6fe2-441c-8c8c-71466251a162
---
 bsd-user/main.c               | 18 +++++++++++-------
 bsd-user/openbsd/syscall_nr.h | 30 ++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 7 deletions(-)

diff --git a/bsd-user/main.c b/bsd-user/main.c
index 49776b8733..61aa6e83cb 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -186,9 +186,6 @@ void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type)
         case 0x100:
 #endif
             syscall_nr = env->gregs[1];
-#if defined(TARGET_SPARC)
-            syscall_nr &= ~(SYSCALL_G7RFLAG | SYSCALL_G2RFLAG);
-#endif
             if (bsd_type == target_freebsd)
                 ret = do_freebsd_syscall(env, syscall_nr,
                                          env->regwptr[0], env->regwptr[1],
@@ -199,11 +196,16 @@ void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type)
                                         env->regwptr[0], env->regwptr[1],
                                         env->regwptr[2], env->regwptr[3],
                                         env->regwptr[4], env->regwptr[5]);
-            else //if (bsd_type == target_openbsd)
+            else { //if (bsd_type == target_openbsd)
+#if defined(TARGET_SPARC64)
+                syscall_nr &= ~(TARGET_OPENBSD_SYSCALL_G7RFLAG |
+                                TARGET_OPENBSD_SYSCALL_G2RFLAG);
+#endif
                 ret = do_openbsd_syscall(env, syscall_nr,
                                          env->regwptr[0], env->regwptr[1],
                                          env->regwptr[2], env->regwptr[3],
                                          env->regwptr[4], env->regwptr[5]);
+            }
             if ((unsigned int)ret >= (unsigned int)(-515)) {
 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
                 env->xcc |= PSR_CARRY;
@@ -219,11 +221,13 @@ void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type)
             }
             env->regwptr[0] = ret;
             /* next instruction */
-#if defined(TARGET_SPARC)
-            if (env->gregs[1] & SYSCALL_G2RFLAG) {
+#if defined(TARGET_SPARC64)
+            if (bsd_type == target_openbsd &&
+                env->gregs[1] & TARGET_OPENBSD_SYSCALL_G2RFLAG) {
                 env->pc = env->gregs[2];
                 env->npc = env->pc + 4;
-            } else if (env->gregs[1] & SYSCALL_G7RFLAG) {
+            } else if (bsd_type == target_openbsd &&
+                       env->gregs[1] & TARGET_OPENBSD_SYSCALL_G7RFLAG) {
                 env->pc = env->gregs[7];
                 env->npc = env->pc + 4;
             } else {
diff --git a/bsd-user/openbsd/syscall_nr.h b/bsd-user/openbsd/syscall_nr.h
index 1f463cce14..dececfd9e8 100644
--- a/bsd-user/openbsd/syscall_nr.h
+++ b/bsd-user/openbsd/syscall_nr.h
@@ -193,3 +193,33 @@
 #define TARGET_OPENBSD_NR_statfs      307
 #define TARGET_OPENBSD_NR_fstatfs     308
 #define TARGET_OPENBSD_NR_fhstatfs    309
+
+/* syscall flags from machine/trap.h */
+
+/*      $OpenBSD: trap.h,v 1.4 2008/07/04 22:04:37 kettenis Exp $       */
+/*      $NetBSD: trap.h,v 1.4 1999/06/07 05:28:04 eeh Exp $ */
+
+/*
+ * Copyright (c) 1996-1999 Eduardo Horvath
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR  ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR  BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+#define TARGET_OPENBSD_SYSCALL_G2RFLAG 0x400   /* on success, return to %g2 rather than npc */
+#define TARGET_OPENBSD_SYSCALL_G7RFLAG 0x800   /* use %g7 as above (deprecated) */