From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1ewosI-0001qO-JF for barebox@lists.infradead.org; Fri, 16 Mar 2018 12:54:26 +0000 From: Sascha Hauer Subject: [PATCH 61/78] ARM: aarch64: mmu: Make zero page faulting Date: Fri, 16 Mar 2018 13:53:37 +0100 Message-Id: <20180316125354.23462-62-s.hauer@pengutronix.de> In-Reply-To: <20180316125354.23462-1-s.hauer@pengutronix.de> References: <20180316125354.23462-1-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org To: Barebox List Make zero page faulting which allows us to catch NULL pointer derefs. Signed-off-by: Sascha Hauer --- arch/arm/cpu/mmu_64.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c index 20f6c387f3..094bc0ac62 100644 --- a/arch/arm/cpu/mmu_64.c +++ b/arch/arm/cpu/mmu_64.c @@ -316,6 +316,8 @@ static int mmu_init(void) for_each_memory_bank(bank) create_sections(bank->start, bank->start, bank->size, CACHED_MEM); + create_sections(0x0, 0x0, 0x1000, 0x0); + mmu_enable(); return 0; -- 2.16.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox