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rv1126-uboot
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console: support timestamp for printf 

with this patch, we can see the detail boot time of boot flow.
The U-Boot log is like this:

[    0.259266] U-Boot 2017.09-01739-g856f373-dirty (Jul 10 2018 - 20:26:05 +0800)
[    0.260596] Model: Rockchip RK3399 Evaluation Board
[    0.261332] DRAM:  3.8 GiB
Relocation Offset is: f5bfd000
Using default environment

[    0.354038] dwmmc@fe320000: 1, sdhci@fe330000: 0
[    0.521125] Card did not respond to voltage select!
[    0.521188] mmc_init: -95, time 9
[    0.671451] switch to partitions #0, OK
[    0.671500] mmc0(part 0) is current device
......

Change-Id: I3ce2a4466f9ecd9eeb6b334ba4ba48391aa47c30
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
This commit is contained in:
Joseph Chen 2018-07-10 20:01:24 +08:00 committed by Jianhong Chen
parent b520084e79
commit 243527b501
3 changed files with 50 additions and 0 deletions
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4
common/Kconfig
View File

@ -111,6 +111,10 @@ config BOOTSTAGE_STASH_SIZE
This should be large enough to hold the bootstage stash. A value of
4096 (4KiB) is normally plenty.
config BOOTSTAGE_PRINTF_TIMESTAMP
bool "Support printf timestamp"
help
Enabling this will support printf timestamp.
endmenu
menu "Boot media"

41
common/console.c
View File

@ -19,6 +19,7 @@
#include <exports.h>
#include <environment.h>
#include <watchdog.h>
#include <vsprintf.h>
DECLARE_GLOBAL_DATA_PTR;
@ -516,11 +517,51 @@ void putc(const char c)
}
}
#if (!defined(CONFIG_SPL_BUILD) && defined(CONFIG_BOOTSTAGE_PRINTF_TIMESTAMP))
static void vspfunc(char *buf, size_t size, char *format, ...)
{
va_list ap;
va_start(ap, format);
vsnprintf(buf, size, format, ap);
va_end(ap);
}
void puts(const char *s)
{
unsigned long ts_sec, ts_msec, ticks;
char pr_timestamp[32], *p;
while (*s) {
if (*s == '\n') {
gd->new_line = 1;
putc(*s++);
continue;
}
if (gd->new_line) {
gd->new_line = 0;
ticks = (get_ticks() / 24ULL);
ts_sec = ticks / 1000000;
ts_msec = ticks % 1000000;
vspfunc(pr_timestamp, sizeof(pr_timestamp),
"[%5lu.%06lu] ", ts_sec, ts_msec);
p = pr_timestamp;
while (*p)
putc(*p++);
}
putc(*s++);
}
}
#else
void puts(const char *s)
{
while (*s)
putc(*s++);
}
#endif
#ifdef CONFIG_CONSOLE_RECORD
int console_record_init(void)

5
include/asm-generic/global_data.h
View File

@ -122,6 +122,11 @@ typedef struct global_data {
struct bootstage_data *new_bootstage; /* Relocated bootstage info */
#endif
phys_addr_t pm_ctx_phys;
#ifdef CONFIG_BOOTSTAGE_PRINTF_TIMESTAMP
int new_line;
#endif
#ifdef CONFIG_LOG
int log_drop_count; /* Number of dropped log messages */
int default_log_level; /* For devices with no filters */