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Removed "options SMP_TIMER_NC".

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Removed TEST_ALTTIMER.
Removed APIC_PIN0_TIMER.
Removed TIMER_ALL.
This commit is contained in:
fsmp 1997-07-26 01:47:26 +00:00
parent ec9393a579
commit 7b1e0dfbb9
1 changed files with 39 additions and 24 deletions
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63
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 1.16 1997/07/20 18:10:28 smp Exp smp $
* $Id: smptests.h,v 1.15 1997/07/22 18:46:41 fsmp Exp $
*/
#ifndef _MACHINE_SMPTESTS_H_
@ -30,47 +30,54 @@
/*
* various 'tests in progress'
* Various 'tests in progress' and configuration parameters.
*/
/*
* Address of POST hardware port.
* Defining this enables POSTCODE macros.
* Use the new INT passoff algorithm:
*
#define POST_ADDR 0x80
* int_is_already_active = iactive & (1 << INT_NUMBER);
* iactive |= (1 << INT_NUMBER);
* if ( int_is_already_active || (try_mplock() == FAIL ) {
* mask_apic_int( INT_NUMBER );
* ipending |= (1 << INT_NUMBER);
* do_eoi();
* cleanup_and_iret();
* }
*
* This algorithm seems to speed up kernel compiles a little,
* my previous times were about 100s - 101s.
* Also of note is the "point of diminishing returns" for the '-j'
* arg to make seems to have increased from 8 to 12, AND the numbers
* don't fall off as rapidly as before.
*
* 98.17s real 129.24s user 50.82s system # time make -j8
* 98.67s real 128.44s user 52.55s system # time make -j10
* 97.70s real 128.54s user 51.86s system # time make -j12
* 98.57s real 130.14s user 50.46s system # time make -j14
* 99.12s real 130.04s user 51.82s system # time make -j16
* 97.75s real 129.91s user 51.62s system # time make -j18
* 100.51s real 132.67s user 50.91s system # time make -j20
*/
#define PEND_INTS
/*
* 1st attempt to use ExtInt connected 8259 to attach 8254 timer.
* 1st attempt to use the 'ExtInt' connected 8259 to attach 8254 timer.
* failing that, attempt to attach 8254 timer via direct APIC pin.
* failing that, panic!
* This overrides both APIC_PIN0_TIMER & TEST_ALTTIMER
*
*/
#define NEW_STRATEGY
/*
* 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:
* 82489DX/8259A DUAL MODE CONNECTION
* For emergency fallback, define ONLY if 'NEW_STRATEGY' fails to work.
* Formerly needed by Tyan Tomcat II and SuperMicro P6DNxxx motherboards.
*
#define SMP_TIMER_NC
*/
#define TEST_ALTTIMER
/*
* Send 8254 timer INTs to all CPUs in LOPRIO mode.
*
*/
#define TIMER_ALL
/*
@ -129,6 +136,14 @@
*/
/*
* Address of POST hardware port.
* Defining this enables POSTCODE macros.
*
#define POST_ADDR 0x80
*/
/*
* POST hardware macros.
*/