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68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
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/*
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* Copyright (C) 2015, Intel Corporation. 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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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <Uefi.h>
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#include <Protocol/LoadedImage.h>
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#define MAX_MEM_DESC 128
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void start(void);
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EFI_STATUS EFIAPI
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uefi_start(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
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{
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EFI_MEMORY_DESCRIPTOR mem_map[MAX_MEM_DESC];
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UINTN mem_map_len = sizeof(mem_map);
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UINTN mem_map_key;
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UINTN mem_map_desc_sz;
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UINT32 mem_map_rev;
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EFI_STATUS res;
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res = SystemTable->BootServices->GetMemoryMap(&mem_map_len,
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mem_map,
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&mem_map_key,
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&mem_map_desc_sz,
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&mem_map_rev);
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if(res != EFI_SUCCESS) {
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return EFI_ABORTED;
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}
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res = SystemTable->BootServices->ExitBootServices(ImageHandle, mem_map_key);
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if(res != EFI_SUCCESS) {
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return EFI_ABORTED;
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}
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start();
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/* Should not be reachable: */
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return EFI_SUCCESS;
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}
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