7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27
28 #include <sys/types.h>
29 #include <sys/inttypes.h>
30 #include <sys/systm.h>
31 #include <sys/elf.h>
32 #include <sys/elf_notes.h>
33
34 #include <util/memcpy.h>
35
36 #include "dboot_xboot.h"
37 #include "dboot_elfload.h"
38 #include "dboot_printf.h"
39
40 static caddr_t elf_file = 0;
41
42 #define PGETBYTES(offset) ((void *)(elf_file + (offset)))
43
44 static void *
45 getehdr(void)
46 {
165 dboot_printf("copying %ld bytes from ELF offset 0x%lx "
166 "to physaddr 0x%lx (va=0x%lx)\n",
167 (ulong_t)phdr->p_filesz, (ulong_t)phdr->p_offset,
168 (ulong_t)dst, (ulong_t)phdr->p_vaddr);
169 (void) memcpy((void *)(uintptr_t)dst,
170 (void *)(uintptr_t)src, (size_t)phdr->p_filesz);
171
172 next_addr = dst + phdr->p_filesz;
173 }
174
175
176 /*
177 * Next look for bss
178 */
179 for (i = 0; i < eh->e_shnum; i++) {
180 shdr = (Elf64_Shdr *)(sechdrs + eh->e_shentsize * i);
181
182 /* zero out bss */
183 if (shdr->sh_type == SHT_NOBITS) {
184 if (prom_debug)
185 dboot_printf("zeroing BSS %lu bytes from "
186 "physaddr 0x%" PRIx64
187 " (end=0x%" PRIx64 ")\n",
188 (ulong_t)shdr->sh_size,
189 next_addr,
190 next_addr + shdr->sh_size);
191 (void) memset((void *)(uintptr_t)next_addr, 0,
192 shdr->sh_size);
193 break;
194 }
195 }
196
197 /*
198 * Ignore the intepreter (or should we die if there is one??)
199 */
200 return (0);
201 }
|
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /*
28 * Copyright 2020 Joyent, Inc.
29 */
30
31 #include <sys/types.h>
32 #include <sys/inttypes.h>
33 #include <sys/systm.h>
34 #include <sys/elf.h>
35 #include <sys/elf_notes.h>
36
37 #include <util/memcpy.h>
38
39 #include "dboot_xboot.h"
40 #include "dboot_elfload.h"
41 #include "dboot_printf.h"
42
43 static caddr_t elf_file = 0;
44
45 #define PGETBYTES(offset) ((void *)(elf_file + (offset)))
46
47 static void *
48 getehdr(void)
49 {
168 dboot_printf("copying %ld bytes from ELF offset 0x%lx "
169 "to physaddr 0x%lx (va=0x%lx)\n",
170 (ulong_t)phdr->p_filesz, (ulong_t)phdr->p_offset,
171 (ulong_t)dst, (ulong_t)phdr->p_vaddr);
172 (void) memcpy((void *)(uintptr_t)dst,
173 (void *)(uintptr_t)src, (size_t)phdr->p_filesz);
174
175 next_addr = dst + phdr->p_filesz;
176 }
177
178
179 /*
180 * Next look for bss
181 */
182 for (i = 0; i < eh->e_shnum; i++) {
183 shdr = (Elf64_Shdr *)(sechdrs + eh->e_shentsize * i);
184
185 /* zero out bss */
186 if (shdr->sh_type == SHT_NOBITS) {
187 if (prom_debug)
188 dboot_printf("zeroing BSS %ld bytes from "
189 "physaddr 0x%" PRIx64
190 " (end=0x%" PRIx64 ")\n",
191 (ulong_t)shdr->sh_size,
192 next_addr,
193 next_addr + shdr->sh_size);
194 (void) memset((void *)(uintptr_t)next_addr, 0,
195 shdr->sh_size);
196 break;
197 }
198 }
199
200 /*
201 * Ignore the intepreter (or should we die if there is one??)
202 */
203 return (0);
204 }
|