From nox Mon Sep 17 00:00:00 2001
From: Juergen Lock <nox@jelal.kn-bremen.de>
Date: 05 May 2014 00:54:00 +0200
Subject: Handle bsd-user FreeBSD hw.pagesizes sysctl

hw.pagesizes is defined as OID_AUTO so the mib can change; find out
it's value at the first hw.* sysctl syscall.
Handle it by returning only getpagesize() for now.

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

--- a/bsd-user/freebsd/os-sys.c
+++ b/bsd-user/freebsd/os-sys.c
@@ -227,6 +227,7 @@ abi_long do_freebsd_sysctl(CPUArchState 
         default:
             {
                 static int oid_hw_availpages;
+                static int oid_hw_pagesizes;
 
                 if (!oid_hw_availpages) {
                     int real_oid[CTL_MAXNAME+2];
@@ -235,6 +236,13 @@ abi_long do_freebsd_sysctl(CPUArchState 
                     if (sysctlnametomib("hw.availpages", real_oid, &len) >= 0)
                         oid_hw_availpages = real_oid[1];
                 }
+                if (!oid_hw_pagesizes) {
+                    int real_oid[CTL_MAXNAME+2];
+                    size_t len = sizeof(real_oid) / sizeof(int);
+
+                    if (sysctlnametomib("hw.pagesizes", real_oid, &len) >= 0)
+                        oid_hw_pagesizes = real_oid[1];
+                }
 
                 if (oid_hw_availpages && snamep[1] == oid_hw_availpages) {
                     long lvalue;
@@ -252,6 +260,17 @@ abi_long do_freebsd_sysctl(CPUArchState 
                     }
                     goto out;
                 }
+
+                if (oid_hw_pagesizes && snamep[1] == oid_hw_pagesizes) {
+                    // XXX some targets do superpages now too... */
+                    if (oldlen) {
+                        (*(abi_ulong *)holdp) = tswapal((abi_ulong)getpagesize());
+                        ((abi_ulong *)holdp)[1] = 0;
+                    }
+                    holdlen = sizeof(abi_ulong) * 2;
+                    ret = 0;
+                    goto out;
+                }
                 break;
             }
         }