1 // SPDX-License-Identifier: GPL-2.0-or-later
10 /* Tracee and tracer shared data */
11 struct shared {  struct
18 struct shared *cptr, *pptr;  argument
26 	FAIL_IF(regs->tm_tfhar != tfhar);  in validate_tm_spr()
27 	FAIL_IF((regs->tm_texasr == TM_KVM_SCHED) && (regs->tm_tfiar != 0));  in validate_tm_spr()
37 	cptr = (struct shared *)shmat(shm_id, NULL, 0);  in tm_spr()
46 		"bl 4f;"	/* $ = TFHAR - 12 */  in tm_spr()
75 		: "memory", "r0", "r8", "r31"  in tm_spr()
82 		if (!cptr->flag)  in tm_spr()
85 		ret = validate_tm_spr((struct tm_spr_regs *)&cptr->regs);  in tm_spr()
100 	FAIL_IF(show_tm_spr(child, (struct tm_spr_regs *)&pptr->regs));  in trace_tm_spr()
102 	printf("TFHAR: %lx TEXASR: %lx TFIAR: %lx\n", pptr->regs.tm_tfhar,  in trace_tm_spr()
103 				pptr->regs.tm_texasr, pptr->regs.tm_tfiar);  in trace_tm_spr()
105 	pptr->flag = 1;  in trace_tm_spr()
116 	SKIP_IF_MSG(!have_htm(), "Don't have transactional memory");  in ptrace_tm_spr()
117 	SKIP_IF_MSG(htm_is_synthetic(), "Transactional memory is synthetic");  in ptrace_tm_spr()
118 	shm_id = shmget(IPC_PRIVATE, sizeof(struct shared), 0777|IPC_CREAT);  in ptrace_tm_spr()
130 		pptr = (struct shared *)shmat(shm_id, NULL, 0);  in ptrace_tm_spr()
134 			asm volatile("" : : : "memory");  in ptrace_tm_spr()