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In "<boot-script>", from bootinfo.txt, decode all bootinfo entities: device,

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partition, directory, filename, full-path.

(as defined in "PowerPC Microprocessor CHRP binding r1.8", chapter 3.1.6.1.)



git-svn-id: svn://coreboot.org/openbios/openbios-devel@453 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Laurent Vivier
2009-02-15 20:20:55 +00:00
parent 9020fb5fa1
commit f0daea0151
1 changed files with 30 additions and 7 deletions
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37
arch/ppc/qemu/main.c
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@@ -14,7 +14,6 @@
*
*/
#include "openbios/config.h"
#include "openbios/bindings.h"
#include "openbios/elfload.h"
@@ -135,15 +134,18 @@ get_partition( const char *path )
}
static char *
get_filename( const char * path )
get_filename( const char * path , char **dirname)
{
static char buf[1024];
char *filename;
while ( *path && *path != ':' )
path++;
if (!*path)
if (!*path) {
*dirname = NULL;
return NULL;
}
path++;
while ( *path && isdigit(*path) )
@@ -155,7 +157,16 @@ get_filename( const char * path )
strncpy(buf, path, sizeof(buf));
buf[sizeof(buf) - 1] = 0;
return buf;
filename = strrchr(buf, '\\');
if (filename) {
*dirname = buf;
(*filename++) = 0;
} else {
*dirname = NULL;
filename = buf;
}
return filename;
}
static void
@@ -163,9 +174,11 @@ encode_bootpath( const char *spec, const char *args )
{
char path[1024];
phandle_t chosen_ph = find_dev("/chosen");
char *filename, *directory;
snprintf(path, sizeof(path), "%s:%d,%s", get_device(spec),
get_partition(spec), get_filename(spec));
filename = get_filename(spec, &directory);
snprintf(path, sizeof(path), "%s:%d,%s\\%s", get_device(spec),
get_partition(spec), directory, filename);
ELF_DPRINTF("bootpath %s bootargs %s\n", path, args);
set_property( chosen_ph, "bootpath", path, strlen(spec)+1 );
@@ -215,11 +228,12 @@ try_bootinfo(const char *path)
{
int fd, len, tag, taglen, script, scriptlen, entity;
char tagbuf[256], bootscript[256], c;
char *device;
char *device, *filename, *directory;
int partition;
device = get_device(path);
partition = get_partition(path);
filename = get_filename(path, &directory);
/* read boot script */
@@ -272,6 +286,15 @@ try_bootinfo(const char *path)
} else if (strcasecmp(tagbuf, "partition") == 0) {
sprintf(bootscript + scriptlen, "%d", partition);
scriptlen = strlen(bootscript);
} else if (strcasecmp(tagbuf, "directory") == 0) {
strcpy(bootscript + scriptlen, directory);
scriptlen += strlen(directory);
} else if (strcasecmp(tagbuf, "filename") == 0) {
strcpy(bootscript + scriptlen, filename);
scriptlen += strlen(filename);
} else if (strcasecmp(tagbuf, "full-path") == 0) {
strcpy(bootscript + scriptlen, path);
scriptlen += strlen(path);
} else { /* unknown, keep it */
bootscript[scriptlen] = '&';
strcpy(bootscript + scriptlen + 1, tagbuf);