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Extract "bootargs" from "boot" command line.

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It is needed to boot Fedora-10 as we must specify the path to the yaboot.conf.

To boot Fedora:

boot cd: conf=cd:,\ppc\ppc32\yaboot.conf

so "bootpath" is "cd:", and "bootargs" is "conf=cd:,\ppc\ppc32\yaboot.conf"



git-svn-id: svn://coreboot.org/openbios/openbios-devel@456 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Laurent Vivier
2009-02-18 13:58:35 +00:00
parent d95cb61e29
commit 21507bfb5b
1 changed files with 15 additions and 6 deletions
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21
arch/ppc/qemu/main.c
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@@ -182,7 +182,8 @@ encode_bootpath( const char *spec, const char *args )
ELF_DPRINTF("bootpath %s bootargs %s\n", path, args);
set_property( chosen_ph, "bootpath", path, strlen(spec)+1 );
set_property( chosen_ph, "bootargs", args, strlen(args)+1 );
if (args)
set_property( chosen_ph, "bootargs", args, strlen(args)+1 );
}
/************************************************************************/
@@ -224,7 +225,7 @@ try_path(const char *path, const char *param)
http://playground.sun.com/1275/bindings/chrp/chrp1_7a.ps
*/
static void
try_bootinfo(const char *path)
try_bootinfo(const char *path, const char *param)
{
int fd, len, tag, taglen, script, scriptlen, entity;
char tagbuf[256], bootscript[256], c;
@@ -311,6 +312,8 @@ try_bootinfo(const char *path)
ELF_DPRINTF("got bootscript %s\n", bootscript);
encode_bootpath(path, param);
feval(bootscript);
badf:
close_io( fd );
@@ -412,6 +415,12 @@ yaboot_startup( void )
char *path = pop_fstr_copy(), *param;
int i;
param = strchr(path, ' ');
if (param) {
*param = 0;
param++;
}
if (!path) {
ELF_DPRINTF("Entering boot, no path\n");
push_str("boot-device");
@@ -435,7 +444,7 @@ yaboot_startup( void )
param = pop_fstr_copy();
}
try_path(path, param);
try_bootinfo(path);
try_bootinfo(path, param);
} else {
char boot_device = nvram_read(0x34);
@@ -448,12 +457,12 @@ yaboot_startup( void )
path = strdup("cd:0");
break;
}
try_bootinfo(path);
try_bootinfo(path, NULL);
}
} else {
ELF_DPRINTF("Entering boot, path %s\n", path);
try_path(path, "");
try_bootinfo(path);
try_path(path, param);
try_bootinfo(path, param);
}
for( i=0; i < sizeof(paths) / sizeof(paths[0]); i++ ) {
try_path(paths[i], args[i]);