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linux-user: Define TASK_UNMAPPED_BASE in $guest/target_mman.h

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Provide default values that are as close as possible to the
values used by the guest's kernel.

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-08-02 14:29:40 -07:00
parent c8fb5cf97d
commit 2d708164e0
21 changed files with 167 additions and 14 deletions
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13
linux-user/i386/target_mman.h
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@ -1 +1,14 @@
/*
* arch/x86/include/asm/processor.h:
* TASK_UNMAPPED_BASE __TASK_UNMAPPED_BASE(TASK_SIZE_LOW)
* __TASK_UNMAPPED_BASE(S) PAGE_ALIGN(S / 3)
*
* arch/x86/include/asm/page_32_types.h:
* TASK_SIZE_LOW TASK_SIZE
* TASK_SIZE __PAGE_OFFSET
* __PAGE_OFFSET CONFIG_PAGE_OFFSET
* CONFIG_PAGE_OFFSET 0xc0000000 (default in Kconfig)
*/
#define TASK_UNMAPPED_BASE 0x40000000
#include "../generic/target_mman.h"