diff options
| author | Richard Henderson <rth@twiddle.net> | 2017-10-05 10:36:01 -0400 |
|---|---|---|
| committer | Riku Voipio <riku.voipio@linaro.org> | 2017-10-16 16:00:56 +0300 |
| commit | cc1b3960a1a54125d2c87719fa945179bffbae68 (patch) | |
| tree | 3440e13698752f13ef468d5d28190f8a01f37cc6 /target/sh4/cpu.h | |
| parent | 18e80c55bb6ec17c05ec0ba717ec83933c2bfc07 (diff) | |
linux-user/sh4: Reduce TARGET_VIRT_ADDR_SPACE_BITS to 31
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 <rth@twiddle.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170708025030.15845-4-rth@twiddle.net>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'target/sh4/cpu.h')
| -rw-r--r-- | target/sh4/cpu.h | 6 |
1 files changed, 5 insertions, 1 deletions
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 |