mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-27 20:14:27 +01:00
18 lines
399 B
ArmAsm
18 lines
399 B
ArmAsm
/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-ubfm-instruction */
|
|
|
|
#include "common.h"
|
|
|
|
LKMC_ENTRY
|
|
ldr x19, =0x1122334455667788
|
|
|
|
// lsr alias: imms == 63
|
|
|
|
ldr x20, =0xFFFFFFFFFFFFFFFF
|
|
ubfm x20, x19, 16, 63
|
|
LKMC_ASSERT_EQ(x20, 0x0000112233445566)
|
|
|
|
ldr x20, =0xFFFFFFFFFFFFFFFF
|
|
ubfm x20, x19, 32, 63
|
|
LKMC_ASSERT_EQ(x20, 0x0000000011223344)
|
|
LKMC_EXIT
|