From nox Mon Sep 17 00:00:00 2001
From: Juergen Lock <nox@jelal.kn-bremen.de>
Date: 23 Aug 2014 00:24:00 +0200
Subject: Fix FreeBSD sysctl hw.physmem

Fix FreeBSD sysctl hw.physmem if host bitsize != target's.

Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>

--- a/bsd-user/freebsd/os-sys.c
+++ b/bsd-user/freebsd/os-sys.c
@@ -338,6 +338,28 @@ abi_long do_freebsd_sysctl(CPUArchState 
             ret = 0;
             goto out;
 
+#if TARGET_ABI_BITS != HOST_LONG_BITS
+        case HW_PHYSMEM:
+            holdlen = sizeof(abi_ulong);
+            ret = 0;
+
+            if (oldlen) {
+                unsigned long lvalue;
+                size_t len = sizeof(lvalue);
+
+                if (sysctlbyname("hw.physmem", &lvalue, &len, NULL, 0)
+                        == -1) {
+                    ret = -1;
+                } else {
+                    abi_ulong maxmem = -0x100c000;
+                    if (((unsigned long)maxmem) < lvalue)
+                        lvalue = maxmem;
+                    (*(abi_ulong *)holdp) = lvalue;
+                }
+            }
+            goto out;
+#endif
+
         default:
             {
                 static int oid_hw_availpages;