60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/*-
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* Copyright (c) 2000 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <efi.h>
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#include <eficonsctl.h>
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#include <efilib.h>
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#include <stand.h>
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EFI_HANDLE IH;
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EFI_SYSTEM_TABLE *ST;
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EFI_BOOT_SERVICES *BS;
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EFI_RUNTIME_SERVICES *RS;
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void *
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efi_get_table(EFI_GUID *tbl)
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{
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EFI_GUID *id;
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int i;
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for (i = 0; i < ST->NumberOfTableEntries; i++) {
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id = &ST->ConfigurationTable[i].VendorGuid;
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if (!memcmp(id, tbl, sizeof(EFI_GUID)))
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return (ST->ConfigurationTable[i].VendorTable);
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}
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return (NULL);
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}
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EFI_STATUS
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OpenProtocolByHandle(EFI_HANDLE handle, EFI_GUID *protocol, void **interface)
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{
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return (BS->OpenProtocol(handle, protocol, interface, IH, NULL,
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EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL));
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}
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