From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Glass Date: Mon, 22 Feb 2016 23:37:56 -0700 Subject: [U-Boot] [PATCH 10/16] sandbox: timer: Support the early timer In-Reply-To: References: <1455500220-1324-1-git-send-email-sjg@chromium.org> <1455500220-1324-11-git-send-email-sjg@chromium.org> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Bin On 16 February 2016 at 02:22, Bin Meng wrote: > Hi Simon, > > On Mon, Feb 15, 2016 at 9:36 AM, Simon Glass wrote: >> Add support for the early timer so we can use tracing with sandbox again. >> >> Signed-off-by: Simon Glass >> --- >> >> drivers/timer/sandbox_timer.c | 14 ++++++++++++-- >> 1 file changed, 12 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/timer/sandbox_timer.c b/drivers/timer/sandbox_timer.c >> index a8da936..4537c82 100644 >> --- a/drivers/timer/sandbox_timer.c >> +++ b/drivers/timer/sandbox_timer.c >> @@ -18,9 +18,19 @@ void sandbox_timer_add_offset(unsigned long offset) >> sandbox_timer_offset += offset; >> } >> >> -static int sandbox_timer_get_count(struct udevice *dev, u64 *count) >> +u64 notrace timer_early_get_count(void) >> { >> - *count = os_get_nsec() / 1000 + sandbox_timer_offset * 1000; >> + return os_get_nsec() / 1000 + sandbox_timer_offset * 1000; >> +} >> + >> +unsigned long notrace timer_early_get_rate(void) >> +{ >> + return 1000000; > > Hard-coded? Yes - I'll convert it to a constant. But since the OS calls use nanoseconds and want to convert to milliseconds it is hard-coded. > >> +} >> + >> +static notrace int sandbox_timer_get_count(struct udevice *dev, u64 *count) >> +{ >> + *count = timer_early_get_count(); >> >> return 0; >> } >> -- > > Regards, > Bin Regards, Simon