From cc1b3960a1a54125d2c87719fa945179bffbae68 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 5 Oct 2017 10:36:01 -0400 Subject: [PATCH] linux-user/sh4: Reduce TARGET_VIRT_ADDR_SPACE_BITS to 31 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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> Signed-off-by: Riku Voipio --- 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 -- 2.11.4.GIT