28 lines
707 B
Bash
28 lines
707 B
Bash
|
#!/bin/sh
|
||
|
|
|
||
|
|
# Print out the KASAN_SHADOW_OFFSETS required to place the KASAN SHADOW
|
||
|
|
# start address at the mid-point of the kernel VA space
|
||
|
|
|
||
|
|
print_kasan_offset () {
|
||
|
|
printf "%02d\t" $1
|
||
|
|
printf "0x%08x00000000\n" $(( (0xffffffff & (-1 << ($1 - 1 - 32))) \
|
||
|
|
+ (1 << ($1 - 32 - $2)) \
|
||
|
|
- (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
|