| cpu_switch.S (648c711bb4884726b91dbb094028a9f94233927c) | cpu_switch.S (a29b63cb739723c4874f328af2cbdfac80d184bd) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * | 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * |
| 36 * $Id: swtch.s,v 1.19 1995/01/21 15:20:23 bde Exp $ | 36 * $Id: swtch.s,v 1.20 1995/02/17 02:22:42 phk Exp $ |
| 37 */ 38 39#include "npx.h" /* for NNPX */ 40#include "assym.s" /* for preprocessor defines */ 41#include <sys/errno.h> /* for error codes */ 42 43#include <machine/asmacros.h> /* for miscellaneous assembly macros */ 44#include <machine/spl.h> /* for SWI_AST_MASK ... */ --- 228 unchanged lines hidden (view full) --- 273 movb $1,_intr_nesting_level /* charge Intr if we leave */ 274 cmpl $0,_whichrtqs /* real-time queue */ 275 jne sw1a 276 cmpl $0,_whichqs /* normal queue */ 277 jne nortqr 278 cmpl $0,_whichidqs /* 'idle' queue */ 279 jne idqr 280 movb $0,_intr_nesting_level /* charge Idle for this loop */ | 37 */ 38 39#include "npx.h" /* for NNPX */ 40#include "assym.s" /* for preprocessor defines */ 41#include <sys/errno.h> /* for error codes */ 42 43#include <machine/asmacros.h> /* for miscellaneous assembly macros */ 44#include <machine/spl.h> /* for SWI_AST_MASK ... */ --- 228 unchanged lines hidden (view full) --- 273 movb $1,_intr_nesting_level /* charge Intr if we leave */ 274 cmpl $0,_whichrtqs /* real-time queue */ 275 jne sw1a 276 cmpl $0,_whichqs /* normal queue */ 277 jne nortqr 278 cmpl $0,_whichidqs /* 'idle' queue */ 279 jne idqr 280 movb $0,_intr_nesting_level /* charge Idle for this loop */ |
| 281 call _vm_page_zero_idle 282 testl %eax, %eax 283 jnz idle_loop |
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| 281#if NAPM > 0 282#if APM_SLOWSTART <= 0 || !defined(APM_SLOWSTART) 283 /* 284 * XXX it breaks the rules to call a function while interrupts are 285 * disabled. How long before apm enables them? 286 */ 287 call _apm_cpu_idle 288 call _apm_cpu_busy --- 331 unchanged lines hidden --- | 284#if NAPM > 0 285#if APM_SLOWSTART <= 0 || !defined(APM_SLOWSTART) 286 /* 287 * XXX it breaks the rules to call a function while interrupts are 288 * disabled. How long before apm enables them? 289 */ 290 call _apm_cpu_idle 291 call _apm_cpu_busy --- 331 unchanged lines hidden --- |