On 17:16 Wed 04 Mar , Benoit Monin wrote:
>
> This option prefixes every console line with the time in seconds since
> power-up. It is inspired by the Linux kernel option PRINTK_TIME and uses
> the same output format.
>
> It can be used to measure the time taken by U-Boot to boot the kernel or
> application. For example:
>
> [ 0.003532] U-Boot 2009.03-rc1-00008-gfa74f69-dirty (mar 04 2009 -
> 14:18:39)
> [ 0.011994]
> [ 0.013694] CPU: AMCC PowerPC 440EPx Rev. A at 528 MHz (PLB=132, OPB=66,
> EBC=66 MHz)
> [ 0.023121] Security/Kasumi support
> [ 0.028001] Bootstrap Option H - Boot ROM Location I2C (Addr 0x52)
> [ 0.036075] Internal PCI arbiter enabled, PCI async ext clock used
> [ 0.044142] 32 kB I-Cache 32 kB D-Cache
> [ 0.049445] Board: Sequoia - AMCC PPC440EPx Evaluation Board, Rev. F,
> PCI=66 MHz
> ...
>
> Signed-off-by: Benoît Monin <bmo...@adeneo.eu>
> ---
> README | 5 +++++
> common/console.c | 36 ++++++++++++++++++++++++++++++------
> 2 files changed, 35 insertions(+), 6 deletions(-)
>
> diff --git a/README b/README
> index d0a636e..848ff29 100644
> --- a/README
> +++ b/README
> @@ -478,6 +478,11 @@ The following options need to be configured:
> the "silent" environment variable. See
> doc/README.silent for more information.
>
> + When CONFIG_PRINT_TIME is defined, all console messages
> + are prefixed with the time in second since power-up.
> + This option mimics the Linux kernel option PRINTK_TIME
> + and uses the same output format (ex: [ 0.049445] ...).
> +
> - Console Baudrate:
> CONFIG_BAUDRATE - in bps
> Select one of the baudrates listed in
> diff --git a/common/console.c b/common/console.c
> index 2add047..75f0f28 100644
> --- a/common/console.c
> +++ b/common/console.c
> @@ -325,6 +325,17 @@ int tstc(void)
> return serial_tstc();
> }
>
> +static void __putc(const char c)
> +{
> + if (gd->flags & GD_FLG_DEVINIT) {
> + /* Send to the standard output */
> + fputc (stdout, c);
> + } else {
> + /* Send directly to the handler */
> + serial_putc (c);
> + }
> +}
> +
> void putc(const char c)
> {
> #ifdef CONFIG_SILENT_CONSOLE
> @@ -337,13 +348,20 @@ void putc(const char c)
> return;
> #endif
>
> - if (gd->flags & GD_FLG_DEVINIT) {
> - /* Send to the standard output */
> - fputc(stdout, c);
> - } else {
> - /* Send directly to the handler */
> - serial_putc(c);
> + __putc(c);
> +#ifdef CONFIG_PRINT_TIME
> + if (c == '\n') {
> + unsigned long ms;
> + char tbuf[32];
> + int tlen;
> + int i;
> +
NACK
> + ms = ticks2usec(get_ticks());
ticks2usec only exist on ppc
> + tlen = sprintf(tbuf, "[%5lu.%06lu] ", (ms / 1000000UL), (ms %
> 1000000UL));
wont work on arm
please do_div
> + for (i = 0; i < tlen; i++)
> + __putc(tbuf[i]);
> }
> +#endif
> }
>
> void puts(const char *s)
> @@ -358,6 +376,11 @@ void puts(const char *s)
> return;
> #endif
>
> +#ifdef CONFIG_PRINT_TIME
> + while (*s) {
> + putc(*s++);
please use fputs and serail_puts
Best Regards,
J.
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