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Added #define APIC_PIN0_TIMER.

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This define enables the code to ALWAYS run the 8254 timer thru the 8259 ICU.
It is ON by default.
It depricates the usage of "options SMP_TIMER_NC" in the config file.
This commit is contained in:
Steve Passe 1997-07-19 03:56:30 +00:00
parent bed422e5a3
commit f5edb61526
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=27521
1 changed files with 9 additions and 1 deletions
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10
sys/i386/include/smptests.h
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@ -22,7 +22,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: smptests.h,v 1.15 1997/07/18 19:47:48 smp Exp smp $
* $Id: smptests.h,v 1.12 1997/07/18 21:26:09 fsmp Exp $
*/
#ifndef _MACHINE_SMPTESTS_H_
@ -42,6 +42,14 @@
*/
/*
* Use 'regular Int' method to connect external 8254 timer via IO APIC pin 0.
* See "Intel I486 Microprocessors and Related Products", page 4-292:
* 82489DX/8259A DUAL MODE CONNECTION
*
*/
#define APIC_PIN0_TIMER
/*
* Use non 'ExtInt' method of external (non-conected) 8254 timer
* See "Intel I486 Microprocessors and Related Products", page 4-292: