1 .arch armv7-a 2 .text 3 .arm 4 5 mrs r4, apsr 6 mrs r5, cpsr 7 mrs r6, spsr 8 msr apsr_nzcvqg, #0x40000000 9 msr cpsr_f, #0x20000000 10 msr spsr, #0x10000000 11 msr apsr_nzcvq, r4 12 msr cpsr_f, r5 13 msr spsr, r6 14