exec.c revision 1.3.2.2
1 1.3.2.2 pgoyette /* $NetBSD: exec.c,v 1.3.2.2 2018/09/06 06:56:47 pgoyette Exp $ */ 2 1.3.2.2 pgoyette 3 1.3.2.2 pgoyette /*- 4 1.3.2.2 pgoyette * Copyright (c) 2018 Jared McNeill <jmcneill (at) invisible.ca> 5 1.3.2.2 pgoyette * All rights reserved. 6 1.3.2.2 pgoyette * 7 1.3.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 8 1.3.2.2 pgoyette * modification, are permitted provided that the following conditions 9 1.3.2.2 pgoyette * are met: 10 1.3.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 11 1.3.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 12 1.3.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 13 1.3.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 14 1.3.2.2 pgoyette * documentation and/or other materials provided with the distribution. 15 1.3.2.2 pgoyette * 16 1.3.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 1.3.2.2 pgoyette * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.3.2.2 pgoyette * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.3.2.2 pgoyette * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 1.3.2.2 pgoyette * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.3.2.2 pgoyette * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.3.2.2 pgoyette * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.3.2.2 pgoyette * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.3.2.2 pgoyette * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.3.2.2 pgoyette * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.3.2.2 pgoyette * SUCH DAMAGE. 27 1.3.2.2 pgoyette */ 28 1.3.2.2 pgoyette 29 1.3.2.2 pgoyette #include "efiboot.h" 30 1.3.2.2 pgoyette #include "efifdt.h" 31 1.3.2.2 pgoyette 32 1.3.2.2 pgoyette #include <loadfile.h> 33 1.3.2.2 pgoyette 34 1.3.2.2 pgoyette u_long load_offset = 0; 35 1.3.2.2 pgoyette 36 1.3.2.2 pgoyette int 37 1.3.2.2 pgoyette exec_netbsd(const char *fname, const char *args) 38 1.3.2.2 pgoyette { 39 1.3.2.2 pgoyette EFI_PHYSICAL_ADDRESS addr; 40 1.3.2.2 pgoyette u_long marks[MARK_MAX], alloc_size; 41 1.3.2.2 pgoyette EFI_STATUS status; 42 1.3.2.2 pgoyette int fd; 43 1.3.2.2 pgoyette 44 1.3.2.2 pgoyette memset(marks, 0, sizeof(marks)); 45 1.3.2.2 pgoyette fd = loadfile(fname, marks, COUNT_KERNEL | LOAD_NOTE); 46 1.3.2.2 pgoyette if (fd < 0) { 47 1.3.2.2 pgoyette printf("boot: %s: %s\n", fname, strerror(errno)); 48 1.3.2.2 pgoyette return EIO; 49 1.3.2.2 pgoyette } 50 1.3.2.2 pgoyette close(fd); 51 1.3.2.2 pgoyette marks[MARK_END] = (((u_long) marks[MARK_END] + sizeof(int) - 1)) & (-sizeof(int)); 52 1.3.2.2 pgoyette alloc_size = marks[MARK_END] - marks[MARK_START] + EFIBOOT_ALIGN; 53 1.3.2.2 pgoyette 54 1.3.2.2 pgoyette #ifdef EFIBOOT_ALLOCATE_MAX_ADDRESS 55 1.3.2.2 pgoyette addr = EFIBOOT_ALLOCATE_MAX_ADDRESS; 56 1.3.2.2 pgoyette status = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress, EfiLoaderData, 57 1.3.2.2 pgoyette EFI_SIZE_TO_PAGES(alloc_size), &addr); 58 1.3.2.2 pgoyette #else 59 1.3.2.2 pgoyette addr = 0; 60 1.3.2.2 pgoyette status = uefi_call_wrapper(BS->AllocatePages, 4, AllocateAnyPages, EfiLoaderData, 61 1.3.2.2 pgoyette EFI_SIZE_TO_PAGES(alloc_size), &addr); 62 1.3.2.2 pgoyette #endif 63 1.3.2.2 pgoyette if (EFI_ERROR(status)) { 64 1.3.2.2 pgoyette printf("Failed to allocate %lu bytes for kernel image (error %lu)\n", 65 1.3.2.2 pgoyette alloc_size, status); 66 1.3.2.2 pgoyette return ENOMEM; 67 1.3.2.2 pgoyette } 68 1.3.2.2 pgoyette 69 1.3.2.2 pgoyette memset(marks, 0, sizeof(marks)); 70 1.3.2.2 pgoyette load_offset = (addr + EFIBOOT_ALIGN) & ~(EFIBOOT_ALIGN - 1); 71 1.3.2.2 pgoyette fd = loadfile(fname, marks, LOAD_KERNEL); 72 1.3.2.2 pgoyette if (fd < 0) { 73 1.3.2.2 pgoyette printf("boot: %s: %s\n", fname, strerror(errno)); 74 1.3.2.2 pgoyette goto cleanup; 75 1.3.2.2 pgoyette } 76 1.3.2.2 pgoyette close(fd); 77 1.3.2.2 pgoyette load_offset = 0; 78 1.3.2.2 pgoyette 79 1.3.2.2 pgoyette if (efi_fdt_size() > 0) { 80 1.3.2.2 pgoyette efi_fdt_bootargs(args); 81 1.3.2.2 pgoyette efi_fdt_memory_map(); 82 1.3.2.2 pgoyette } 83 1.3.2.2 pgoyette 84 1.3.2.2 pgoyette efi_cleanup(); 85 1.3.2.2 pgoyette efi_boot_kernel(marks); 86 1.3.2.2 pgoyette 87 1.3.2.2 pgoyette /* This should not happen.. */ 88 1.3.2.2 pgoyette printf("boot returned\n"); 89 1.3.2.2 pgoyette 90 1.3.2.2 pgoyette cleanup: 91 1.3.2.2 pgoyette uefi_call_wrapper(BS->FreePages, 2, addr, EFI_SIZE_TO_PAGES(alloc_size)); 92 1.3.2.2 pgoyette return EIO; 93 1.3.2.2 pgoyette } 94
Indexes created Fri Oct 03 23:09:56 GMT 2025