From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1L7pu6-0007xw-Jc for qemu-devel@nongnu.org; Wed, 03 Dec 2008 06:28:26 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1L7pu0-0007rv-2V for qemu-devel@nongnu.org; Wed, 03 Dec 2008 06:28:22 -0500 Received: from [199.232.76.173] (port=33378 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1L7pty-0007r8-90 for qemu-devel@nongnu.org; Wed, 03 Dec 2008 06:28:18 -0500 Received: from ug-out-1314.google.com ([66.249.92.173]:3602) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1L7ptt-0004D0-S2 for qemu-devel@nongnu.org; Wed, 03 Dec 2008 06:28:14 -0500 Received: by ug-out-1314.google.com with SMTP id 29so3354883ugc.36 for ; Wed, 03 Dec 2008 03:27:39 -0800 (PST) From: "Kirill A. Shutemov" Date: Wed, 3 Dec 2008 13:29:40 +0200 Message-Id: <1228303789-25653-5-git-send-email-kirill@shutemov.name> In-Reply-To: <1228303789-25653-4-git-send-email-kirill@shutemov.name> References: <1228303789-25653-1-git-send-email-kirill@shutemov.name> <1228303789-25653-2-git-send-email-kirill@shutemov.name> <1228303789-25653-3-git-send-email-kirill@shutemov.name> <1228303789-25653-4-git-send-email-kirill@shutemov.name> Subject: [Qemu-devel] [PATCH] linux-user: Introduce h2g_valid Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: "Kirill A. Shutemov" , Jan Kiszka From: Jan Kiszka Introduce h2g_valid to check if a given host address can be converted into a valid guest address. Signed-off-by: Jan Kiszka Signed-off-by: Kirill A. Shutemov --- cpu-all.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/cpu-all.h b/cpu-all.h index 526ace2..341c38e 100644 --- a/cpu-all.h +++ b/cpu-all.h @@ -638,6 +638,10 @@ static inline void stfq_be_p(void *ptr, float64 v) assert(__ret == (abi_ulong)__ret); \ (abi_ulong)__ret; \ }) +#define h2g_valid(x) ({ \ + unsigned long __guest = (unsigned long)(x) - GUEST_BASE; \ + (__guest == (abi_ulong)__guest); \ +}) #define saddr(x) g2h(x) #define laddr(x) g2h(x) -- 1.6.0.2.GIT