efibootx64.c revision 1.2.2.2
1 1.2.2.2 pgoyette /* $NetBSD: efibootx64.c,v 1.2.2.2 2017/03/20 06:57:15 pgoyette Exp $ */ 2 1.2.2.2 pgoyette 3 1.2.2.2 pgoyette /*- 4 1.2.2.2 pgoyette * Copyright (c) 2016 Kimihiro Nonaka <nonaka (at) netbsd.org> 5 1.2.2.2 pgoyette * All rights reserved. 6 1.2.2.2 pgoyette * 7 1.2.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 pgoyette * modification, are permitted provided that the following conditions 9 1.2.2.2 pgoyette * are met: 10 1.2.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 pgoyette * documentation and/or other materials provided with the distribution. 15 1.2.2.2 pgoyette * 16 1.2.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 1.2.2.2 pgoyette * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.2.2.2 pgoyette * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.2.2.2 pgoyette * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 1.2.2.2 pgoyette * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.2.2.2 pgoyette * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.2.2.2 pgoyette * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.2.2.2 pgoyette * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.2.2.2 pgoyette * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.2.2.2 pgoyette * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.2.2.2 pgoyette * SUCH DAMAGE. 27 1.2.2.2 pgoyette */ 28 1.2.2.2 pgoyette 29 1.2.2.2 pgoyette #include "efiboot.h" 30 1.2.2.2 pgoyette 31 1.2.2.2 pgoyette #include <sys/bootblock.h> 32 1.2.2.2 pgoyette 33 1.2.2.2 pgoyette struct x86_boot_params boot_params; 34 1.2.2.2 pgoyette 35 1.2.2.2 pgoyette void startprog64_start(physaddr_t, physaddr_t, physaddr_t, u_long, 36 1.2.2.2 pgoyette void *, physaddr_t); 37 1.2.2.2 pgoyette extern void (*startprog64)(physaddr_t, physaddr_t, physaddr_t, u_long, 38 1.2.2.2 pgoyette void *, physaddr_t); 39 1.2.2.2 pgoyette extern u_int startprog64_size; 40 1.2.2.2 pgoyette 41 1.2.2.2 pgoyette void 42 1.2.2.2 pgoyette efi_md_init(void) 43 1.2.2.2 pgoyette { 44 1.2.2.2 pgoyette EFI_STATUS status; 45 1.2.2.2 pgoyette EFI_PHYSICAL_ADDRESS addr = EFI_ALLOCATE_MAX_ADDRESS; 46 1.2.2.2 pgoyette u_int sz = EFI_SIZE_TO_PAGES(startprog64_size); 47 1.2.2.2 pgoyette 48 1.2.2.2 pgoyette status = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress, 49 1.2.2.2 pgoyette EfiLoaderData, sz, &addr); 50 1.2.2.2 pgoyette if (EFI_ERROR(status)) 51 1.2.2.2 pgoyette Panic(L"%a: AllocatePages() failed: %d page(s): %r", 52 1.2.2.2 pgoyette __func__, sz, status); 53 1.2.2.2 pgoyette startprog64 = (void *)addr; 54 1.2.2.2 pgoyette CopyMem(startprog64, startprog64_start, startprog64_size); 55 1.2.2.2 pgoyette } 56 1.2.2.2 pgoyette 57 1.2.2.2 pgoyette /* ARGSUSED */ 58 1.2.2.2 pgoyette void 59 1.2.2.2 pgoyette startprog(physaddr_t entry, uint32_t argc, uint32_t *argv, physaddr_t sp) 60 1.2.2.2 pgoyette { 61 1.2.2.2 pgoyette uint32_t *newsp = (void *)((char *)startprog64 + startprog64_size); 62 1.2.2.2 pgoyette 63 1.2.2.2 pgoyette /* Copy argv to new stack pointer */ 64 1.2.2.2 pgoyette if (argc > 0) { 65 1.2.2.2 pgoyette newsp -= argc; 66 1.2.2.2 pgoyette memcpy(newsp, argv, sizeof(*argv) * argc); 67 1.2.2.2 pgoyette } 68 1.2.2.2 pgoyette 69 1.2.2.2 pgoyette (*startprog64)(efi_kernel_start, efi_kernel_start + efi_loadaddr, 70 1.2.2.2 pgoyette (physaddr_t)newsp, efi_kernel_size, startprog64, entry); 71 1.2.2.2 pgoyette } 72 1.2.2.2 pgoyette 73 1.2.2.2 pgoyette /* ARGSUSED */ 74 1.2.2.2 pgoyette void 75 1.2.2.2 pgoyette multiboot(physaddr_t entry, physaddr_t header, physaddr_t sp) 76 1.2.2.2 pgoyette { 77 1.2.2.2 pgoyette Panic(L"%a: not implemented", __func__); 78 1.2.2.2 pgoyette } 79
Indexes created Tue Oct 14 21:09:58 GMT 2025