Files
2019-05-12 00:00:08 +00:00

18 lines
379 B
ArmAsm

/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-ubfm-instruction */
#include "common.h"
ENTRY
ldr x19, =0x1122334455667788
// lsr alias: imms == 63
ldr x20, =0xFFFFFFFFFFFFFFFF
ubfm x20, x19, 16, 63
ASSERT_EQ(x20, 0x0000112233445566)
ldr x20, =0xFFFFFFFFFFFFFFFF
ubfm x20, x19, 32, 63
ASSERT_EQ(x20, 0x0000000011223344)
EXIT