xref: /illumos-gate/usr/src/cmd/bhyve/common/bootrom.h (revision 5c4a5fe16715fb423db76577a6883b5bbecdbe45)
1  /*-
2   * SPDX-License-Identifier: BSD-2-Clause
3   *
4   * Copyright (c) 2015 Neel Natu <neel@freebsd.org>
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 AUTHOR ``AS IS'' AND
17   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26   * SUCH DAMAGE.
27   */
28  
29  #ifndef	_BOOTROM_H_
30  #define	_BOOTROM_H_
31  
32  #include <stdbool.h>
33  #include <stddef.h>
34  #include <stdint.h>
35  #include <limits.h>
36  
37  #include "config.h"
38  
39  struct vmctx;
40  
41  void init_bootrom(struct vmctx *ctx);
42  enum {
43  	BOOTROM_ALLOC_TOP = 0x80,
44  	_FORCE_INT = INT_MIN,
45  };
46  int bootrom_alloc(struct vmctx *ctx, size_t len, int prot, int flags,
47      char **region_out, uint64_t *gpa_out);
48  bool bootrom_boot(void);
49  int bootrom_loadrom(struct vmctx *ctx);
50  
51  #endif
52