Date: Wed, 22 Dec 2004 15:59:23 GMT From: John Baldwin <jhb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 67530 for review Message-ID: <200412221559.iBMFxNkk052486@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=67530 Change 67530 by jhb@jhb_slimer on 2004/12/22 15:58:55 Merge in some changes from the jhb_clock child branch. Affected files ... .. //depot/projects/smpng/sys/i386/include/apicvar.h#10 edit Differences ... ==== //depot/projects/smpng/sys/i386/include/apicvar.h#10 (text+ko) ==== @@ -42,7 +42,7 @@ * 0xff (255) +-------------+ * | | 15 (Spurious / IPIs / Local Interrupts) * 0xf0 (240) +-------------+ - * | | 14 (I/O Interrupts) + * | | 14 (I/O Interrupts / Timer) * 0xe0 (224) +-------------+ * | | 13 (I/O Interrupts) * 0xd0 (208) +-------------+ @@ -81,7 +81,10 @@ /* I/O Interrupts are used for external devices such as ISA, PCI, etc. */ #define APIC_IO_INTS (IDT_IO_INTS + 16) -#define APIC_NUM_IOINTS 192 +#define APIC_NUM_IOINTS 191 + +/* The timer interrupt is used for clock handling and drives hardclock, etc. */ +#define APIC_TIMER_INT (APIC_IO_INTS + APIC_NUM_IOINTS) /* ********************* !!! WARNING !!! ****************************** @@ -103,20 +106,12 @@ * other deadlocks caused by IPI_STOP. */ -/* Clock interrupts are used for clock handling and drive hardclock, etc. */ -#define APIC_CLOCK_INTS (APIC_IO_INTS + APIC_NUM_IOINTS) -#define APIC_TIMER_INT APIC_CLOCK_INTS -#if 0 -#define IPI_HARDCLOCK (APIC_CLOCK_INTS + 1) /* Inter-CPU clock handling. */ -#define IPI_STATCLOCK (APIC_CLOCK_INTS + 2) -#endif - /* * These interrupt handlers are for IPIs and local interrupts whose handlers * do not use any spin locks, so they may still be allowed when a spin lock * is held. */ -#define APIC_LOCK_SAFE_INTS (APIC_CLOCK_INTS + 3) +#define APIC_LOCK_SAFE_INTS (APIC_TIMER_INT + 1) /* Interrupts for local APIC LVT entries other than the timer. */ #define APIC_LOCAL_INTS APIC_LOCK_SAFE_INTS @@ -142,7 +137,8 @@ #define IPI_STOP (APIC_IPI_INTS + 6) /* Stop CPU until restarted. */ -/* The spurious interrupt can share the priority class with the IPIs since +/* + * The spurious interrupt can share the priority class with the IPIs since * it is not a normal interrupt. (Does not use the APIC's interrupt fifo) */ #define APIC_SPURIOUS_INT 255
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