1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun# 3*4882a593Smuzhiyun# Copyright (c) NXP 2019 4*4882a593Smuzhiyun 5*4882a593Smuzhiyunimport gdb 6*4882a593Smuzhiyunimport sys 7*4882a593Smuzhiyun 8*4882a593Smuzhiyunfrom linux import utils, lists, constants 9*4882a593Smuzhiyun 10*4882a593Smuzhiyunclk_core_type = utils.CachedType("struct clk_core") 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun 13*4882a593Smuzhiyundef clk_core_for_each_child(hlist_head): 14*4882a593Smuzhiyun return lists.hlist_for_each_entry(hlist_head, 15*4882a593Smuzhiyun clk_core_type.get_type().pointer(), "child_node") 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun 18*4882a593Smuzhiyunclass LxClkSummary(gdb.Command): 19*4882a593Smuzhiyun """Print clk tree summary 20*4882a593Smuzhiyun 21*4882a593SmuzhiyunOutput is a subset of /sys/kernel/debug/clk/clk_summary 22*4882a593Smuzhiyun 23*4882a593SmuzhiyunNo calls are made during printing, instead a (c) if printed after values which 24*4882a593Smuzhiyunare cached and potentially out of date""" 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun def __init__(self): 27*4882a593Smuzhiyun super(LxClkSummary, self).__init__("lx-clk-summary", gdb.COMMAND_DATA) 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun def show_subtree(self, clk, level): 30*4882a593Smuzhiyun gdb.write("%*s%-*s %7d %8d %8d %11lu%s\n" % ( 31*4882a593Smuzhiyun level * 3 + 1, "", 32*4882a593Smuzhiyun 30 - level * 3, 33*4882a593Smuzhiyun clk['name'].string(), 34*4882a593Smuzhiyun clk['enable_count'], 35*4882a593Smuzhiyun clk['prepare_count'], 36*4882a593Smuzhiyun clk['protect_count'], 37*4882a593Smuzhiyun clk['rate'], 38*4882a593Smuzhiyun '(c)' if clk['flags'] & constants.LX_CLK_GET_RATE_NOCACHE else ' ')) 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun for child in clk_core_for_each_child(clk['children']): 41*4882a593Smuzhiyun self.show_subtree(child, level + 1) 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun def invoke(self, arg, from_tty): 44*4882a593Smuzhiyun gdb.write(" enable prepare protect \n") 45*4882a593Smuzhiyun gdb.write(" clock count count count rate \n") 46*4882a593Smuzhiyun gdb.write("------------------------------------------------------------------------\n") 47*4882a593Smuzhiyun for clk in clk_core_for_each_child(gdb.parse_and_eval("clk_root_list")): 48*4882a593Smuzhiyun self.show_subtree(clk, 0) 49*4882a593Smuzhiyun for clk in clk_core_for_each_child(gdb.parse_and_eval("clk_orphan_list")): 50*4882a593Smuzhiyun self.show_subtree(clk, 0) 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun 53*4882a593SmuzhiyunLxClkSummary() 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun 56*4882a593Smuzhiyunclass LxClkCoreLookup(gdb.Function): 57*4882a593Smuzhiyun """Find struct clk_core by name""" 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun def __init__(self): 60*4882a593Smuzhiyun super(LxClkCoreLookup, self).__init__("lx_clk_core_lookup") 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun def lookup_hlist(self, hlist_head, name): 63*4882a593Smuzhiyun for child in clk_core_for_each_child(hlist_head): 64*4882a593Smuzhiyun if child['name'].string() == name: 65*4882a593Smuzhiyun return child 66*4882a593Smuzhiyun result = self.lookup_hlist(child['children'], name) 67*4882a593Smuzhiyun if result: 68*4882a593Smuzhiyun return result 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun def invoke(self, name): 71*4882a593Smuzhiyun name = name.string() 72*4882a593Smuzhiyun return (self.lookup_hlist(gdb.parse_and_eval("clk_root_list"), name) or 73*4882a593Smuzhiyun self.lookup_hlist(gdb.parse_and_eval("clk_orphan_list"), name)) 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun 76*4882a593SmuzhiyunLxClkCoreLookup() 77