pxe: parse initrd file from append string

For syslinux, the initrd can be set in the append string as
"initrd=<file>", so try to find it there if we haven't already set the
initrd.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
This commit is contained in:
Rob Herring
2012-03-28 05:51:37 +00:00
committed by Wolfgang Denk
parent 90ba7d7c44
commit 34bd23e42f
2 changed files with 14 additions and 4 deletions

View File

@@ -999,6 +999,7 @@ static int parse_label_menu(char **c, struct pxe_menu *cfg,
static int parse_label(char **c, struct pxe_menu *cfg)
{
struct token t;
int len;
char *s = *c;
struct pxe_label *label;
int err;
@@ -1033,10 +1034,22 @@ static int parse_label(char **c, struct pxe_menu *cfg)
case T_APPEND:
err = parse_sliteral(c, &label->append);
if (label->initrd)
break;
s = strstr(label->append, "initrd=");
if (!s)
break;
s += 7;
len = (int)(strchr(s, ' ') - s);
label->initrd = malloc(len + 1);
strncpy(label->initrd, s, len);
label->initrd[len] = '\0';
break;
case T_INITRD:
err = parse_sliteral(c, &label->initrd);
if (!label->initrd)
err = parse_sliteral(c, &label->initrd);
break;
case T_LOCALBOOT: