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bootstage: Allow marking a particular line of code

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Add a function which allows a (file, function, line number) to be marked
in bootstage.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Che-Liang Chiou <clchiou@chromium.org>
This commit is contained in:
Simon Glass
2013-04-17 16:13:44 +00:00
parent 2e65959be6
commit fb7db41cd4
2 changed files with 52 additions and 0 deletions
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29
common/bootstage.c
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@@ -30,6 +30,8 @@
#include <common.h>
#include <libfdt.h>
#include <malloc.h>
#include <linux/compiler.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -117,6 +119,33 @@ ulong bootstage_mark_name(enum bootstage_id id, const char *name)
return bootstage_add_record(id, name, flags, timer_get_boot_us());
}
ulong bootstage_mark_code(const char *file, const char *func, int linenum)
{
char *str, *p;
__maybe_unused char *end;
int len = 0;
/* First work out the length we need to allocate */
if (linenum != -1)
len = 11;
if (func)
len += strlen(func);
if (file)
len += strlen(file);
str = malloc(len + 1);
p = str;
end = p + len;
if (file)
p += snprintf(p, end - p, "%s,", file);
if (linenum != -1)
p += snprintf(p, end - p, "%d", linenum);
if (func)
p += snprintf(p, end - p, ": %s", func);
return bootstage_mark_name(BOOTSTAGE_ID_ALLOC, str);
}
uint32_t bootstage_start(enum bootstage_id id, const char *name)
{
struct bootstage_record *rec = &record[id];