bootinfo32.c (bca9c87b6104219af35ae5ea4a6af098a1631bca) bootinfo32.c (5d1531d9d4e7d1b1b706ab23ac3f864416e87522)
1/*-
2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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40
41#ifdef LOADER_GELI_SUPPORT
42#include "geliboot.h"
43#endif
44
45static struct bootinfo bi;
46
47/*
1/*-
2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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40
41#ifdef LOADER_GELI_SUPPORT
42#include "geliboot.h"
43#endif
44
45static struct bootinfo bi;
46
47/*
48 * We have 4 byte alignment for 32-bit targets. This code is compiled as 32-bit
49 * code...
50 */
51#define MOD_ALIGN(l) roundup(l, sizeof(u_long))
52
53static vm_offset_t
54bi_copymodules32(vm_offset_t addr)
55{
56 struct preloaded_file *fp;
57 struct file_metadata *md;
58 int c;
59
60 c = addr != 0;
61 /* start with the first module on the list, should be the kernel */
62 for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
63
64 MOD_NAME(addr, fp->f_name, c); /* this field must come first */
65 MOD_TYPE(addr, fp->f_type, c);
66 if (fp->f_args)
67 MOD_ARGS(addr, fp->f_args, c);
68 MOD_ADDR(addr, fp->f_addr, c);
69 MOD_SIZE(addr, fp->f_size, c);
70 for (md = fp->f_metadata; md != NULL; md = md->md_next)
71 if (!(md->md_type & MODINFOMD_NOCOPY))
72 MOD_METADATA(addr, md, c);
73 }
74 MOD_END(addr, c);
75 return(addr);
76}
77
78/*
79 * Load the information expected by an i386 kernel.
80 *
81 * - The 'boothowto' argument is constructed
82 * - The 'bootdev' argument is constructed
83 * - The 'bootinfo' struct is constructed, and copied into the kernel space.
84 * - The kernel environment is copied into kernel space.
85 * - Module metadata are formatted and placed in kernel space.
86 */

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174 bios_addsmapdata(kfp);
175#ifdef LOADER_GELI_SUPPORT
176 geli_export_key_metadata(kfp);
177#endif
178 bi_load_vbe_data(kfp);
179
180 /* Figure out the size and location of the metadata */
181 *modulep = addr;
48 * Load the information expected by an i386 kernel.
49 *
50 * - The 'boothowto' argument is constructed
51 * - The 'bootdev' argument is constructed
52 * - The 'bootinfo' struct is constructed, and copied into the kernel space.
53 * - The kernel environment is copied into kernel space.
54 * - Module metadata are formatted and placed in kernel space.
55 */

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143 bios_addsmapdata(kfp);
144#ifdef LOADER_GELI_SUPPORT
145 geli_export_key_metadata(kfp);
146#endif
147 bi_load_vbe_data(kfp);
148
149 /* Figure out the size and location of the metadata */
150 *modulep = addr;
182 size = bi_copymodules32(0);
151 size = md_copymodules(0, false);
183 kernend = roundup(addr + size, PAGE_SIZE);
184 *kernendp = kernend;
185
186 /* patch MODINFOMD_KERNEND */
187 md = file_findmetadata(kfp, MODINFOMD_KERNEND);
188 bcopy(&kernend, md->md_data, sizeof kernend);
189
190 /* copy module list and metadata */
152 kernend = roundup(addr + size, PAGE_SIZE);
153 *kernendp = kernend;
154
155 /* patch MODINFOMD_KERNEND */
156 md = file_findmetadata(kfp, MODINFOMD_KERNEND);
157 bcopy(&kernend, md->md_data, sizeof kernend);
158
159 /* copy module list and metadata */
191 (void)bi_copymodules32(addr);
160 (void)md_copymodules(addr, false);
192
193 ssym = esym = 0;
194 md = file_findmetadata(kfp, MODINFOMD_SSYM);
195 if (md != NULL)
196 ssym = *((vm_offset_t *)&(md->md_data));
197 md = file_findmetadata(kfp, MODINFOMD_ESYM);
198 if (md != NULL)
199 esym = *((vm_offset_t *)&(md->md_data));

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162 ssym = esym = 0;
163 md = file_findmetadata(kfp, MODINFOMD_SSYM);
164 if (md != NULL)
165 ssym = *((vm_offset_t *)&(md->md_data));
166 md = file_findmetadata(kfp, MODINFOMD_ESYM);
167 if (md != NULL)
168 esym = *((vm_offset_t *)&(md->md_data));

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