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129 lines
3.0 KiB
129 lines
3.0 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* Copyright (c) 2014 Google, Inc |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#include <iotrace.h> |
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static void do_print_stats(void) |
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{ |
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ulong start, size, needed_size, offset, count; |
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printf("iotrace is %sabled\n", iotrace_get_enabled() ? "en" : "dis"); |
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iotrace_get_buffer(&start, &size, &needed_size, &offset, &count); |
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printf("Start: %08lx\n", start); |
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printf("Actual Size: %08lx\n", size); |
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printf("Needed Size: %08lx\n", needed_size); |
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iotrace_get_region(&start, &size); |
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printf("Region: %08lx\n", start); |
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printf("Size: %08lx\n", size); |
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printf("Offset: %08lx\n", offset); |
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printf("Output: %08lx\n", start + offset); |
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printf("Count: %08lx\n", count); |
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printf("CRC32: %08lx\n", (ulong)iotrace_get_checksum()); |
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} |
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static void do_print_trace(void) |
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{ |
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ulong start, size, needed_size, offset, count; |
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struct iotrace_record *cur_record; |
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iotrace_get_buffer(&start, &size, &needed_size, &offset, &count); |
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if (!start || !size || !count) |
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return; |
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printf("Timestamp Value Address\n"); |
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cur_record = (struct iotrace_record *)start; |
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for (int i = 0; i < count; i++) { |
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if (cur_record->flags & IOT_WRITE) |
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printf("%08llu: 0x%08lx --> 0x%08llx\n", |
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cur_record->timestamp, |
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cur_record->value, |
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(unsigned long long)cur_record->addr); |
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else |
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printf("%08llu: 0x%08lx <-- 0x%08llx\n", |
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cur_record->timestamp, |
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cur_record->value, |
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(unsigned long long)cur_record->addr); |
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cur_record++; |
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} |
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} |
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static int do_set_buffer(int argc, char * const argv[]) |
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{ |
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ulong addr = 0, size = 0; |
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if (argc == 2) { |
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addr = simple_strtoul(*argv++, NULL, 16); |
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size = simple_strtoul(*argv++, NULL, 16); |
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} else if (argc != 0) { |
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return CMD_RET_USAGE; |
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} |
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iotrace_set_buffer(addr, size); |
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return 0; |
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} |
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static int do_set_region(int argc, char * const argv[]) |
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{ |
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ulong addr = 0, size = 0; |
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if (argc == 2) { |
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addr = simple_strtoul(*argv++, NULL, 16); |
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size = simple_strtoul(*argv++, NULL, 16); |
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} else if (argc != 0) { |
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return CMD_RET_USAGE; |
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} |
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iotrace_set_region(addr, size); |
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return 0; |
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} |
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int do_iotrace(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ |
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const char *cmd = argc < 2 ? NULL : argv[1]; |
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if (!cmd) |
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return cmd_usage(cmdtp); |
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switch (*cmd) { |
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case 'b': |
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return do_set_buffer(argc - 2, argv + 2); |
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case 'l': |
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return do_set_region(argc - 2, argv + 2); |
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case 'p': |
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iotrace_set_enabled(0); |
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break; |
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case 'r': |
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iotrace_set_enabled(1); |
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break; |
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case 's': |
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do_print_stats(); |
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break; |
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case 'd': |
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do_print_trace(); |
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break; |
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default: |
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return CMD_RET_USAGE; |
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} |
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return 0; |
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} |
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U_BOOT_CMD( |
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iotrace, 4, 1, do_iotrace, |
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"iotrace utility commands", |
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"stats - display iotrace stats\n" |
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"iotrace buffer <address> <size> - set iotrace buffer\n" |
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"iotrace limit <address> <size> - set iotrace region limit\n" |
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"iotrace pause - pause tracing\n" |
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"iotrace resume - resume tracing\n" |
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"iotrace dump - dump iotrace buffer" |
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);
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