freebsd-dev/sys/sparc64/include/metadata.h
Jake Burkholder 35738638d6 Use a contrived 'tlb_entry' structure for passing the mappings for the
kernel text and data from the loader to the kernel, so that the tte format
is not part of the loader->kernel ABI.
2002-05-29 05:49:59 +00:00

52 lines
1.9 KiB
C

/*
* Copyright (c) 2001 Jake Burkholder.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_METADATA_H_
#define _MACHINE_METADATA_H_
#define MODINFOMD_ENVP 0x1001
#define MODINFOMD_HOWTO 0x1002
#define MODINFOMD_KERNEND 0x1003
#define MODINFOMD_DTLB_SLOTS 0x1004
#define MODINFOMD_ITLB_SLOTS 0x1005
#define MODINFOMD_DTLB 0x1006
#define MODINFOMD_ITLB 0x1007
struct tlb_entry {
vm_offset_t te_pa;
vm_offset_t te_va;
};
#define MD_FETCH(mdp, info, type) ({ \
type *__p; \
__p = (type *)preload_search_info((mdp), MODINFO_METADATA | (info)); \
__p ? *__p : 0; \
})
#endif /* !_MACHINE_METADATA_H_ */