-/* Yaboot - secondary boot loader for Linux on ppc.
-
- Copyright (C) 1999 Benjamin Herrenschmidt
-
- portions based on poof
-
- Copyright (C) 1999 Marius Vollmer
-
- portions based on quik
-
- Copyright (C) 1996 Paul Mackerras.
-
- Because this program is derived from the corresponding file in the
- silo-0.64 distribution, it is also
-
- Copyright (C) 1996 Pete A. Zaitcev
- 1996 Maurizio Plaza
- 1996 David S. Miller
- 1996 Miguel de Icaza
- 1996 Jakub Jelinek
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
+/*
+ * Yaboot - secondary boot loader for Linux on PowerPC.
+ *
+ * Copyright (C) 2001, 2002 Ethan Benson
+ *
+ * Copyright (C) 1999, 2000, 2001 Benjamin Herrenschmidt
+ *
+ * IBM CHRP support
+ *
+ * Copyright (C) 2001 Peter Bergner
+ *
+ * portions based on poof
+ *
+ * Copyright (C) 1999 Marius Vollmer
+ *
+ * portions based on quik
+ *
+ * Copyright (C) 1996 Paul Mackerras.
+ *
+ * Because this program is derived from the corresponding file in the
+ * silo-0.64 distribution, it is also
+ *
+ * Copyright (C) 1996 Pete A. Zaitcev
+ * 1996 Maurizio Plaza
+ * 1996 David S. Miller
+ * 1996 Miguel de Icaza
+ * 1996 Jakub Jelinek
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
#include "stdarg.h"
#include "string.h"
if (opened)
file.fs->close(&file);
- if (result != 1 && conf_file)
+ if (conf_file)
free(conf_file);
return result;
/* Read the rest of the Elf header... */
if ((*(file->fs->read))(file, size, &e->e_version) < size) {
prom_printf("\nCan't read Elf32 image header\n");
- return 0;
+ goto bail;
}
DEBUG_F("Elf32 header:\n");
if (e->e_phnum > MAX_HEADERS) {
prom_printf ("Can only load kernels with one program header\n");
- return 0;
+ goto bail;
}
ph = (Elf32_Phdr *)malloc(sizeof(Elf32_Phdr) * e->e_phnum);
if (!ph) {
prom_printf ("Malloc error\n");
- return 0;
+ goto bail;
}
/* Now, we read the section header */
if ((*(file->fs->seek))(file, e->e_phoff) != FILE_ERR_OK) {
prom_printf ("seek error\n");
- return 0;
+ goto bail;
}
if ((*(file->fs->read))(file, sizeof(Elf32_Phdr) * e->e_phnum, ph) !=
sizeof(Elf32_Phdr) * e->e_phnum) {
prom_printf ("read error\n");
- return 0;
+ goto bail;
}
/* Scan through the program header
if (loadinfo->memsize == 0) {
prom_printf("Can't find a loadable segment !\n");
- return 0;
+ goto bail;
}
/* leave some room (1Mb) for boot infos */
}
if (loadinfo->base == (void *)-1) {
prom_printf("Claim error, can't allocate kernel memory\n");
- return 0;
+ goto bail;
}
DEBUG_F("After ELF parsing, load base: %p, mem_sz: 0x%08lx\n",
if ((*(file->fs->seek))(file, p->p_offset) != FILE_ERR_OK) {
prom_printf ("Seek error\n");
prom_release(loadinfo->base, loadinfo->memsize);
- return 0;
+ goto bail;
}
offset = p->p_vaddr - loadinfo->load_loc;
if ((*(file->fs->read))(file, p->p_filesz, loadinfo->base+offset) != p->p_filesz) {
prom_printf ("Read failed\n");
prom_release(loadinfo->base, loadinfo->memsize);
- return 0;
+ goto bail;
}
}
/* Return success at loading the Elf32 kernel */
return 1;
+
+bail:
+ if (ph)
+ free(ph);
+ return 0;
}
static int
/* Read the rest of the Elf header... */
if ((*(file->fs->read))(file, size, &e->e_version) < size) {
prom_printf("\nCan't read Elf64 image header\n");
- return 0;
+ goto bail;
}
DEBUG_F("Elf64 header:\n");
if (e->e_phnum > MAX_HEADERS) {
prom_printf ("Can only load kernels with one program header\n");
- return 0;
+ goto bail;
}
ph = (Elf64_Phdr *)malloc(sizeof(Elf64_Phdr) * e->e_phnum);
if (!ph) {
prom_printf ("Malloc error\n");
- return 0;
+ goto bail;
}
/* Now, we read the section header */
if ((*(file->fs->seek))(file, e->e_phoff) != FILE_ERR_OK) {
prom_printf ("Seek error\n");
- return 0;
+ goto bail;
}
if ((*(file->fs->read))(file, sizeof(Elf64_Phdr) * e->e_phnum, ph) !=
sizeof(Elf64_Phdr) * e->e_phnum) {
prom_printf ("Read error\n");
- return 0;
+ goto bail;
}
/* Scan through the program header
if (loadinfo->memsize == 0) {
prom_printf("Can't find a loadable segment !\n");
- return 0;
+ goto bail;
}
/* leave some room (1Mb) for boot infos */
}
if (loadinfo->base == (void *)-1) {
prom_printf("Claim error, can't allocate kernel memory\n");
- return 0;
+ goto bail;
}
DEBUG_F("After ELF parsing, load base: %p, mem_sz: 0x%08lx\n",
if ((*(file->fs->seek))(file, p->p_offset) != FILE_ERR_OK) {
prom_printf ("Seek error\n");
prom_release(loadinfo->base, loadinfo->memsize);
- return 0;
+ goto bail;
}
offset = p->p_vaddr - loadinfo->load_loc;
if ((*(file->fs->read))(file, p->p_filesz, loadinfo->base+offset) != p->p_filesz) {
prom_printf ("Read failed\n");
prom_release(loadinfo->base, loadinfo->memsize);
- return 0;
+ goto bail;
}
}
/* Return success at loading the Elf64 kernel */
return 1;
+
+bail:
+ if (ph)
+ free(ph);
+ return 0;
}
static int
if ((ptype != NULL) && (strcmp(ptype, "Apple_Bootstrap")))
prom_printf("\nWARNING: Bootstrap partition type is wrong: \"%s\"\n"
" type should be: \"Apple_Bootstrap\"\n\n", ptype);
+ if (ptype)
+ free(ptype);
}
}
yaboot_text_ui();
-
+
prom_printf("Bye.\n");
return 0;
}
projects / yaboot.git / blobdiff