Re: [ECOS] HAL macros and RTC

[Gary Thomas <gary@mlbassoc.com>]

On Mon, 2003-01-27 at 17:04, Fabrice Gautier wrote:
> Hi,
> 
> In most hal, CYGNUM_HAL_INTERRUPT_xxx macros are used to describe all the
> different Interrupts vectors. Most of the CYGNUM_HAL_INTERRUPT_xxx are arch
> specific however. For example some arch define CYGNUM_HAL_INTERRUPT_TIMER0
> and _TIMER1 whereas other could define _TIMER1 and TIMER2 or just _TIMER if
> they have only one. So i assumed that those macros where completely arch
> specific and I defined a CYGNUM_HAL_RTC to the interrupt vector of an
> hardware clock.
> 
> Unfortunately this macros is used as by the kernel (in clock.cxx) as the
> interrupt driving the kernel internal clock. So i actually have to define
> CYGNUL_HAL_INTERRUPT_RTC as CYGNUM_HAL_INTERRUPT_TIMER and find another name
> for ny hardware clock.
> 
> Would you think it would be a better idea to let the
> CYGNUM_HAL_INTERRUPT_xxx macro arch-specifique and come up with a generic
> name to be used by the kernel ? 
> 
> The name doesnt matter really, it's just that I got confused on that...
> 

The platforms define CYGNUM_HAL_INTERRUPT_xxx and they are very
much platform specific.  CYGNUM_HAL_INTERRUPT_RTC is the one 
interrupt which must be defined by a platform for the heartbeat
clock/timer, thus the platform neutral name.

Is this not how you expected it to work?

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Gary Thomas                 |
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