From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=39949 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OEfyt-0001KE-6u for qemu-devel@nongnu.org; Wed, 19 May 2010 05:54:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OEfyo-0000Fj-1J for qemu-devel@nongnu.org; Wed, 19 May 2010 05:54:27 -0400 Received: from mx1.redhat.com ([209.132.183.28]:13809) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OEfyn-0000FK-Q0 for qemu-devel@nongnu.org; Wed, 19 May 2010 05:54:21 -0400 Received: from int-mx03.intmail.prod.int.phx2.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o4J9sKk3012047 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 19 May 2010 05:54:21 -0400 From: Gerd Hoffmann Date: Wed, 19 May 2010 11:54:16 +0200 Message-Id: <1274262857-31964-1-git-send-email-kraxel@redhat.com> Subject: [Qemu-devel] [PATCH 1/2] ioport: add function to check whenever a port is assigned or not List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Gerd Hoffmann Signed-off-by: Gerd Hoffmann --- ioport.c | 5 +++++ ioport.h | 1 + 2 files changed, 6 insertions(+), 0 deletions(-) diff --git a/ioport.c b/ioport.c index 53dd87a..b718047 100644 --- a/ioport.c +++ b/ioport.c @@ -190,6 +190,11 @@ void isa_unassign_ioport(pio_addr_t start, int length) } } +int is_ioport_assigned(pio_addr_t addr) +{ + return ioport_opaque[addr] != NULL; +} + /***********************************************************/ void cpu_outb(pio_addr_t addr, uint8_t val) diff --git a/ioport.h b/ioport.h index 3d3c8a3..46fbfa8 100644 --- a/ioport.h +++ b/ioport.h @@ -41,6 +41,7 @@ int register_ioport_read(pio_addr_t start, int length, int size, int register_ioport_write(pio_addr_t start, int length, int size, IOPortWriteFunc *func, void *opaque); void isa_unassign_ioport(pio_addr_t start, int length); +int is_ioport_assigned(pio_addr_t addr); void cpu_outb(pio_addr_t addr, uint8_t val); -- 1.6.6.1