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      1 /*	$NetBSD: kloader_machdep.c,v 1.9 2015/06/26 22:17:59 matt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001, 2002, 2004 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: kloader_machdep.c,v 1.9 2015/06/26 22:17:59 matt Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/cpu.h>
     34 #include <sys/systm.h>
     35 
     36 #include <mips/locore.h>
     37 #include <mips/cache.h>
     38 
     39 #include <machine/sysconf.h>
     40 #include <machine/kloader.h>
     41 
     42 kloader_jumpfunc_t kloader_hpcmips_jump;
     43 kloader_bootfunc_t kloader_vr_boot;
     44 kloader_bootfunc_t kloader_tx_boot;
     45 void kloader_hpcmips_reset(void);
     46 
     47 struct kloader_ops kloader_mips_ops = {
     48 	.jump = kloader_hpcmips_jump,
     49 	.boot = 0,
     50 	.reset = kloader_hpcmips_reset
     51 };
     52 
     53 void
     54 kloader_reboot_setup(const char *filename)
     55 {
     56 
     57 	kloader_mips_ops.boot = CPUISMIPS3 ? kloader_vr_boot : kloader_tx_boot;
     58 
     59 	__kloader_reboot_setup(&kloader_mips_ops, filename);
     60 }
     61 
     62 void
     63 kloader_hpcmips_jump(kloader_bootfunc_t func, vaddr_t sp,
     64     struct kloader_bootinfo *info, struct kloader_page_tag *tag)
     65 {
     66 
     67 	mips_icache_sync_all();
     68 
     69 	(*func)(info, tag);	/* 2nd-bootloader don't use stack */
     70 	/* NOTREACHED */
     71 }
     72 
     73 void
     74 kloader_hpcmips_reset(void)
     75 {
     76 
     77 	(*platform.reboot)(0, 0);
     78 }
     79