2 * Copyright (c) 2003 Jake Burkholder.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/linker_set.h>
36 #include <sys/mutex.h>
38 #include <sys/sysctl.h>
39 #include <sys/systm.h>
44 #include <machine/cache.h>
45 #include <machine/cpufunc.h>
46 #include <machine/smp.h>
47 #include <machine/tlb.h>
50 * Enable level 1 caches.
53 cheetah_cache_enable(void)
59 * Flush all lines from the level 1 caches.
62 cheetah_cache_flush(void)
68 * Flush a physical page from the data cache.
71 cheetah_dcache_page_inval(vm_paddr_t spa)
76 KASSERT((spa & PAGE_MASK) == 0,
77 ("dcache_page_inval: pa not page aligned"));
78 cookie = ipi_dcache_page_inval(tl_ipi_cheetah_dcache_page_inval, spa);
79 for (pa = spa; pa < spa + PAGE_SIZE; pa += cache.dc_linesize)
80 stxa_sync(pa, ASI_DCACHE_INVALIDATE, 0);
85 * Flush a physical page from the intsruction cache. Instruction cache
86 * consistency is maintained by hardware.
89 cheetah_icache_page_inval(vm_paddr_t pa)
95 * Flush all non-locked mappings from the TLB.
98 cheetah_tlb_flush_nonlocked(void)
101 panic("cheetah_tlb_flush_nonlocked");
105 * Flush all user mappings from the TLB.
108 cheetah_tlb_flush_user(void)
111 panic("cheetah_tlb_flush_user");