From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40785) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e07G4-0002KA-JG for qemu-devel@nongnu.org; Thu, 05 Oct 2017 10:36:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e07G0-0001yp-Js for qemu-devel@nongnu.org; Thu, 05 Oct 2017 10:36:16 -0400 Received: from mail-qt0-x22f.google.com ([2607:f8b0:400d:c0d::22f]:55452) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1e07G0-0001yQ-F1 for qemu-devel@nongnu.org; Thu, 05 Oct 2017 10:36:12 -0400 Received: by mail-qt0-x22f.google.com with SMTP id x54so25684375qth.12 for ; Thu, 05 Oct 2017 07:36:12 -0700 (PDT) From: Richard Henderson Date: Thu, 5 Oct 2017 10:36:01 -0400 Message-Id: <20171005143601.21584-5-richard.henderson@linaro.org> In-Reply-To: <20171005143601.21584-1-richard.henderson@linaro.org> References: <20171005143601.21584-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v2 4/4] linux-user/sh4: Reduce TARGET_VIRT_ADDR_SPACE_BITS to 31 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: riku.voipio@iki.fi, peter.maydell@linaro.org, Richard Henderson From: Richard Henderson The real kernel has TASK_SIZE as 0x7c000000, due to quirks with a couple of SH parts. But nominally user-space is limited to 2GB. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20170708025030.15845-4-rth@twiddle.net> --- target/sh4/cpu.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/target/sh4/cpu.h b/target/sh4/cpu.h index 79f85d3365..123f34783a 100644 --- a/target/sh4/cpu.h +++ b/target/sh4/cpu.h @@ -45,7 +45,11 @@ #define TARGET_PAGE_BITS 12 /* 4k XXXXX */ #define TARGET_PHYS_ADDR_SPACE_BITS 32 -#define TARGET_VIRT_ADDR_SPACE_BITS 32 +#ifdef CONFIG_USER_ONLY +# define TARGET_VIRT_ADDR_SPACE_BITS 31 +#else +# define TARGET_VIRT_ADDR_SPACE_BITS 32 +#endif #define SR_MD 30 #define SR_RB 29 -- 2.13.6