[U-Boot] [PATCH 1/5] cmd: iotrace: add set region command

Ramon Fried
2018-05-24T19:36:00Z

cmd/iotrace.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)

diff --git a/cmd/iotrace.c b/cmd/iotrace.c
index e496787e0d..601b8c8e32 100644
--- a/cmd/iotrace.c
+++ b/cmd/iotrace.c
@@ -15,6 +15,9 @@ static void do_print_stats(void)
iotrace_get_buffer(&start, &size, &offset, &count);
printf("Start: %08lx\n", start);
printf("Size: %08lx\n", size);
+ iotrace_get_region(&start, &size);
+ printf("Region: %08lx\n", start);
+ printf("Size: %08lx\n", size);
printf("Offset: %08lx\n", offset);
printf("Output: %08lx\n", start + offset);
printf("Count: %08lx\n", count);
@@ -37,6 +40,22 @@ static int do_set_buffer(int argc, char * const argv[])
return 0;
}

+static int do_set_region(int argc, char * const argv[])
+{
+ ulong addr = 0, size = 0;
+
+ if (argc == 2) {
+ addr = simple_strtoul(*argv++, NULL, 16);
+ size = simple_strtoul(*argv++, NULL, 16);
+ } else if (argc != 0) {
+ return CMD_RET_USAGE;
+ }
+
+ iotrace_set_region(addr, size);
+
+ return 0;
+}
+
int do_iotrace(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const char *cmd = argc < 2 ? NULL : argv[1];
@@ -46,6 +65,8 @@ int do_iotrace(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
switch (*cmd) {
case 'b':
return do_set_buffer(argc - 2, argv + 2);
+ case 'l':
+ return do_set_region(argc - 2, argv + 2);
case 'p':
iotrace_set_enabled(0);
break;
@@ -67,6 +88,7 @@ U_BOOT_CMD(
"iotrace utility commands",
"stats - display iotrace stats\n"
"iotrace buffer <size> - set iotrace buffer\n"
+ "iotrace limit <size> - set iotrace region limit\n"
"iotrace pause - pause tracing\n"
"iotrace resume - resume tracing"
);
--
2.17.0