50 int hw_breakpoint_arch_parse(struct perf_event *bp,  in hw_breakpoint_arch_parse()  argument
134 		      struct perf_event *bp)  in alloc_slot()  argument
140 			slot[i] = bp;  in alloc_slot()
147 static void set_ibreak_regs(int reg, struct perf_event *bp)  in set_ibreak_regs()  argument
149 	struct arch_hw_breakpoint *info = counter_arch_bp(bp);  in set_ibreak_regs()
157 static void set_dbreak_regs(int reg, struct perf_event *bp)  in set_dbreak_regs()  argument
159 	struct arch_hw_breakpoint *info = counter_arch_bp(bp);  in set_dbreak_regs()
171 int arch_install_hw_breakpoint(struct perf_event *bp)  in arch_install_hw_breakpoint()  argument
175 	if (counter_arch_bp(bp)->type == XTENSA_BREAKPOINT_EXECUTE) {  in arch_install_hw_breakpoint()
177 		i = alloc_slot(this_cpu_ptr(bp_on_reg), XCHAL_NUM_IBREAK, bp);  in arch_install_hw_breakpoint()
180 		set_ibreak_regs(i, bp);  in arch_install_hw_breakpoint()
184 		i = alloc_slot(this_cpu_ptr(wp_on_reg), XCHAL_NUM_DBREAK, bp);  in arch_install_hw_breakpoint()
187 		set_dbreak_regs(i, bp);  in arch_install_hw_breakpoint()
193 		     struct perf_event *bp)  in free_slot()  argument
198 		if (slot[i] == bp) {  in free_slot()
206 void arch_uninstall_hw_breakpoint(struct perf_event *bp)  in arch_uninstall_hw_breakpoint()  argument
208 	struct arch_hw_breakpoint *info = counter_arch_bp(bp);  in arch_uninstall_hw_breakpoint()
215 		i = free_slot(this_cpu_ptr(bp_on_reg), XCHAL_NUM_IBREAK, bp);  in arch_uninstall_hw_breakpoint()
223 		i = free_slot(this_cpu_ptr(wp_on_reg), XCHAL_NUM_DBREAK, bp);  in arch_uninstall_hw_breakpoint()
229 void hw_breakpoint_pmu_read(struct perf_event *bp)  in hw_breakpoint_pmu_read()  argument
268 		struct perf_event *bp = this_cpu_ptr(wp_on_reg)[i];  in restore_dbreak()  local
270 		if (bp)  in restore_dbreak()
271 			set_dbreak_regs(i, bp);  in restore_dbreak()
280 		struct perf_event **bp = this_cpu_ptr(bp_on_reg);  in check_hw_breakpoint()  local
283 			if (bp[i] && !bp[i]->attr.disabled &&  in check_hw_breakpoint()
284 			    regs->pc == bp[i]->attr.bp_addr)  in check_hw_breakpoint()
285 				perf_bp_event(bp[i], regs);  in check_hw_breakpoint()
289 		struct perf_event **bp = this_cpu_ptr(wp_on_reg);  in check_hw_breakpoint()  local
293 		if (dbnum < XCHAL_NUM_DBREAK && bp[dbnum]) {  in check_hw_breakpoint()
295 				perf_bp_event(bp[dbnum], regs);  in check_hw_breakpoint()