From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:58953) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RL0Au-0006tZ-Dx for qemu-devel@nongnu.org; Mon, 31 Oct 2011 18:17:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RL0At-0004vL-Lh for qemu-devel@nongnu.org; Mon, 31 Oct 2011 18:17:48 -0400 Received: from [188.134.19.124] (port=52704 helo=octofox.metropolis) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RL0At-0004ta-CA for qemu-devel@nongnu.org; Mon, 31 Oct 2011 18:17:47 -0400 From: Max Filippov Date: Tue, 1 Nov 2011 02:17:26 +0400 Message-Id: <1320099455-17326-2-git-send-email-jcmvbkbc@gmail.com> In-Reply-To: <1320099455-17326-1-git-send-email-jcmvbkbc@gmail.com> References: <1320099455-17326-1-git-send-email-jcmvbkbc@gmail.com> Subject: [Qemu-devel] [PATCH 1/7] target-xtensa: mask out undefined bits of WINDOWBASE SR List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori Cc: Blue Swirl , jcmvbkbc@gmail.com, qemu-devel@nongnu.org According to ISA, table 5-156, bits 32:NAREG/4 of the WINDOWSTART SR must be zero. Signed-off-by: Max Filippov --- target-xtensa/translate.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 1688bb2..b724d46 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -466,7 +466,7 @@ static void gen_wsr_windowbase(DisasContext *dc, uint32_t sr, TCGv_i32 v) static void gen_wsr_windowstart(DisasContext *dc, uint32_t sr, TCGv_i32 v) { - tcg_gen_mov_i32(cpu_SR[sr], v); + tcg_gen_andi_i32(cpu_SR[sr], v, (1 << dc->config->nareg / 4) - 1); reset_used_window(dc); } -- 1.7.6.4