diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-08-02 14:29:40 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-08-08 13:24:27 -0700 |
| commit | 2d708164e0475064e0e2167bd73e8570e22df1e0 (patch) | |
| tree | f17712dd84f0ac07f6640ceee314fca2259bfe81 /linux-user/x86_64 | |
| parent | c8fb5cf97da11af11def1e910920c9ead03c304a (diff) | |
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>
Diffstat (limited to 'linux-user/x86_64')
| -rw-r--r-- | linux-user/x86_64/target_mman.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/linux-user/x86_64/target_mman.h b/linux-user/x86_64/target_mman.h index e7ba6070fe..f9ff652b37 100644 --- a/linux-user/x86_64/target_mman.h +++ b/linux-user/x86_64/target_mman.h @@ -1 +1,13 @@ +/* + * 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) + #include "../generic/target_mman.h" |