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qemu-e2k/linux-user/x86_64/target_mman.h

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linux-user: Define TASK_UNMAPPED_BASE in $guest/target_mman.h 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>
2023-08-02 23:29:40 +02:00
/*
* 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_64_types.h:
* TASK_SIZE_LOW DEFAULT_MAP_WINDOW
* DEFAULT_MAP_WINDOW ((1UL << 47) - PAGE_SIZE)
*/
#define TASK_UNMAPPED_BASE \
TARGET_PAGE_ALIGN((1ull << TARGET_VIRT_ADDR_SPACE_BITS) / 3)
linux-user: Define ELF_ET_DYN_BASE in $guest/target_mman.h Copy each guest kernel's default value, then bound it against reserved_va or the host address space. Tested-by: Helge Deller <deller@gmx.de> Reviewed-by: Helge Deller <deller@gmx.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-03 00:17:33 +02:00
/* arch/x86/include/asm/elf.h */
#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE * 2)
linux-user: Provide MADV_* definitions Provide MADV_* definitions using target_mman.h header, similar to what kernel does. Most architectures use the same values, with the exception of alpha and hppa. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220906000839.1672934-2-iii@linux.ibm.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-09-06 02:08:35 +02:00
#include "../generic/target_mman.h"
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