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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/arm64/kasan-offsets.sh | |
| parent | Initial commit. (diff) | |
| download | linux-upstream/6.1.76.tar.xz linux-upstream/6.1.76.zip | |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | Documentation/arm64/kasan-offsets.sh | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/arm64/kasan-offsets.sh b/Documentation/arm64/kasan-offsets.sh new file mode 100644 index 000000000..2dc5f9e18 --- /dev/null +++ b/Documentation/arm64/kasan-offsets.sh @@ -0,0 +1,26 @@ +#!/bin/sh + +# Print out the KASAN_SHADOW_OFFSETS required to place the KASAN SHADOW +# start address at the top of the linear region + +print_kasan_offset () { + printf "%02d\t" $1 + printf "0x%08x00000000\n" $(( (0xffffffff & (-1 << ($1 - 1 - 32))) \ + - (1 << (64 - 32 - $2)) )) +} + +echo KASAN_SHADOW_SCALE_SHIFT = 3 +printf "VABITS\tKASAN_SHADOW_OFFSET\n" +print_kasan_offset 48 3 +print_kasan_offset 47 3 +print_kasan_offset 42 3 +print_kasan_offset 39 3 +print_kasan_offset 36 3 +echo +echo KASAN_SHADOW_SCALE_SHIFT = 4 +printf "VABITS\tKASAN_SHADOW_OFFSET\n" +print_kasan_offset 48 4 +print_kasan_offset 47 4 +print_kasan_offset 42 4 +print_kasan_offset 39 4 +print_kasan_offset 36 4 |