mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-26 11:41:35 +01:00
f176d04500
aarch64 basically done, but missing: - other archs - maybe convert main.c into C++ to use templates? - full review of ASSERT_EQ calling convention issues not seen by tests by chance - documentation
16 lines
324 B
ArmAsm
16 lines
324 B
ArmAsm
/* https://github.com/cirosantilli/arm-assembly-cheat#ubfx */
|
|
|
|
#include "common.h"
|
|
|
|
ENTRY
|
|
ldr x19, =0x1122334455667788
|
|
|
|
ldr x20, =0xFFFFFFFFFFFFFFFF
|
|
ubfx x20, x19, 8, 16
|
|
ASSERT_EQ(x20, 0x0000000000006677)
|
|
|
|
ldr x20, =0xFFFFFFFFFFFFFFFF
|
|
ubfx x20, x19, 8, 32
|
|
ASSERT_EQ(x20, 0x0000000044556677)
|
|
EXIT
|