18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci#include <errno.h> 38c2ecf20Sopenharmony_ci#include "perf_regs.h" 48c2ecf20Sopenharmony_ci#include "event.h" 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ciint __weak arch_sdt_arg_parse_op(char *old_op __maybe_unused, 78c2ecf20Sopenharmony_ci char **new_op __maybe_unused) 88c2ecf20Sopenharmony_ci{ 98c2ecf20Sopenharmony_ci return SDT_ARG_SKIP; 108c2ecf20Sopenharmony_ci} 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_ciuint64_t __weak arch__intr_reg_mask(void) 138c2ecf20Sopenharmony_ci{ 148c2ecf20Sopenharmony_ci return PERF_REGS_MASK; 158c2ecf20Sopenharmony_ci} 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ciuint64_t __weak arch__user_reg_mask(void) 188c2ecf20Sopenharmony_ci{ 198c2ecf20Sopenharmony_ci return PERF_REGS_MASK; 208c2ecf20Sopenharmony_ci} 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci#ifdef HAVE_PERF_REGS_SUPPORT 238c2ecf20Sopenharmony_ciint perf_reg_value(u64 *valp, struct regs_dump *regs, int id) 248c2ecf20Sopenharmony_ci{ 258c2ecf20Sopenharmony_ci int i, idx = 0; 268c2ecf20Sopenharmony_ci u64 mask = regs->mask; 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci if (regs->cache_mask & (1ULL << id)) 298c2ecf20Sopenharmony_ci goto out; 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci if (!(mask & (1ULL << id))) 328c2ecf20Sopenharmony_ci return -EINVAL; 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ci for (i = 0; i < id; i++) { 358c2ecf20Sopenharmony_ci if (mask & (1ULL << i)) 368c2ecf20Sopenharmony_ci idx++; 378c2ecf20Sopenharmony_ci } 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci regs->cache_mask |= (1ULL << id); 408c2ecf20Sopenharmony_ci regs->cache_regs[id] = regs->regs[idx]; 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_ciout: 438c2ecf20Sopenharmony_ci *valp = regs->cache_regs[id]; 448c2ecf20Sopenharmony_ci return 0; 458c2ecf20Sopenharmony_ci} 468c2ecf20Sopenharmony_ci#endif 47