installboot/arch/pmax.c

130 pmax_clearboot(ib_params *params)
135 	assert(params != NULL);
136 	assert(params->fsfd != -1);
137 	assert(params->filesystem != NULL);
140 	rv = pread(params->fsfd, &bb, sizeof(bb), PMAX_BOOT_BLOCK_OFFSET);
142 		warn("Reading `%s'", params->filesystem);
145 		warnx("Reading `%s': short read", params->filesystem);
158 	if (params->flags & IB_SUNSUM) {
162 		if (! set_sunsum(params, (uint16_t *)&bb, sum))
166 	if (params->flags & IB_VERBOSE)
168 		    (params->flags & IB_NOWRITE) ? "Not c" : "C");
169 	if (params->flags & IB_NOWRITE)
172 	rv = pwrite(params->fsfd, &bb, sizeof(bb), PMAX_BOOT_BLOCK_OFFSET);
174 		warn("Writing `%s'", params->filesystem);
177 		warnx("Writing `%s': short write", params->filesystem);
185 pmax_setboot(ib_params *params)
195 	assert(params != NULL);
196 	assert(params->fsfd != -1);
197 	assert(params->filesystem != NULL);
198 	assert(params->s1fd != -1);
199 	assert(params->stage1 != NULL);
205 	if (! load_bootstrap(params, &bootstrapbuf, &bootstrapload,
209 	rv = pread(params->fsfd, &bb, sizeof(bb), PMAX_BOOT_BLOCK_OFFSET);
211 		warn("Reading `%s'", params->filesystem);
214 		warnx("Reading `%s': short read", params->filesystem);
219 	if (params->flags & IB_APPEND) {
220 		if (! S_ISREG(params->fsstat.st_mode)) {
223 			    params->filesystem);
226 		startblock = howmany(params->fsstat.st_size,
228 	} else if (params->flags & IB_STAGE1START) {
229 		startblock = params->s1start;
243 	if (params->flags & IB_SUNSUM) {
247 		if (! set_sunsum(params, (uint16_t *)&bb, sum))
251 	if (params->flags & IB_VERBOSE) {
261 		    (params->flags & IB_NOWRITE) ? "Not w" : "W");
263 	if (params->flags & IB_NOWRITE) {
267 	rv = pwrite(params->fsfd, bootstrapbuf, bootstrapsize,
270 		warn("Writing `%s'", params->filesystem);
273 		warnx("Writing `%s': short write", params->filesystem);
277 	if (params->flags & IB_VERBOSE)
279 	rv = pwrite(params->fsfd, &bb, sizeof(bb), PMAX_BOOT_BLOCK_OFFSET);
281 		warn("Writing `%s'", params->filesystem);
284 		warnx("Writing `%s': short write", params->filesystem);
306 load_bootstrap(ib_params *params, char **data,
315 	if ((pread(params->s1fd, &ehdr, sizeof(ehdr), 0)) != sizeof(ehdr)) {
316 		warn("Reading `%s'", params->stage1);
321 		warnx("No ELF header in `%s'", params->stage1);
329 		if (pread(params->s1fd, &phdr, sizeof(phdr),
332 			warn("Reading `%s'", params->stage1);
360 		if ((Elf32_Word)pread(params->s1fd,
364 			warn("Reading `%s'", params->stage1);