1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright IBM Corp. 2021 4 * 5 * Snippet used by specification exception interception test. 6 */ 7 #include <libcflat.h> 8 #include <bitops.h> 9 #include <asm/arch_def.h> 10 main(void)11__attribute__((section(".text"))) int main(void) 12 { 13 uint64_t bad_psw = 0; 14 15 /* PSW bit 12 has no name or meaning and must be 0 */ 16 lowcore.pgm_new_psw.mask = BIT(63 - 12); 17 lowcore.pgm_new_psw.addr = 0xdeadbeee; 18 asm volatile ("lpsw %0" :: "Q"(bad_psw)); 19 return 0; 20 } 21