[U-Boot] [PATCH 10/16] sandbox: timer: Support the early timer

[Simon Glass]

Hi Bin

On 16 February 2016 at 02:22, Bin Meng <bmeng.cn at gmail.com> wrote:
> Hi Simon,
>
> On Mon, Feb 15, 2016 at 9:36 AM, Simon Glass <sjg at chromium.org> wrote:
>> Add support for the early timer so we can use tracing with sandbox again.
>>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> ---
>>
>>  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