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authorMatt Fleming <matt.fleming@linux.intel.com>2011-03-09 14:20:19 +0000
committerMatt Fleming <matt.fleming@linux.intel.com>2011-03-09 14:32:36 +0000
commit9ded45991b4fc83b40af963feb773ddca2589d74 (patch)
treed538d93d7b9040a0582c7382bf45dbf84e415fcd /com32/elflink
parent5c907b4f4fbbe9ee565aa4fdfec6ae9be6d28580 (diff)
downloadsyslinux-9ded45991b4fc83b40af963feb773ddca2589d74.tar.gz
syslinux-9ded45991b4fc83b40af963feb773ddca2589d74.tar.xz
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ldlinux: Parse and store the "onerror" command line
If we fail to load a kernel and the parser found an "onerror" directive, execute the onerror command line. Signed-off-by: Matt Fleming <matt.fleming@linux.intel.com>
Diffstat (limited to 'com32/elflink')
-rw-r--r--com32/elflink/ldlinux/config.h1
-rw-r--r--com32/elflink/ldlinux/ldlinux.c10
-rw-r--r--com32/elflink/ldlinux/readconfig.c9
3 files changed, 20 insertions, 0 deletions
diff --git a/com32/elflink/ldlinux/config.h b/com32/elflink/ldlinux/config.h
index 17c7b28e..77652663 100644
--- a/com32/elflink/ldlinux/config.h
+++ b/com32/elflink/ldlinux/config.h
@@ -34,5 +34,6 @@ extern short displaycon; //conio.inc
extern short nohalt; //idle.inc
extern char *default_cmd; //"default" command line
+extern char *onerror; //"onerror" command line
#endif /* __CONFIG_H__ */
diff --git a/com32/elflink/ldlinux/ldlinux.c b/com32/elflink/ldlinux/ldlinux.c
index b94010e3..b5a44093 100644
--- a/com32/elflink/ldlinux/ldlinux.c
+++ b/com32/elflink/ldlinux/ldlinux.c
@@ -29,6 +29,7 @@ static void enter_cmdline(void)
static void load_kernel(void)
{
enum kernel_type type;
+ const char *cmdline;
if (defaultlevel == LEVEL_UI)
type = KT_COM32;
@@ -36,6 +37,15 @@ static void load_kernel(void)
type = KT_KERNEL;
execute(default_cmd, type);
+
+ /*
+ * If we fail to boot the kernel execute the "onerror" command
+ * line.
+ */
+ if (onerrorlen) {
+ rsprintf(&cmdline, "%s %s", onerror, default_cmd);
+ execute(cmdline, KT_COM32);
+ }
}
static int ldlinux_main(int argc, char **argv)
diff --git a/com32/elflink/ldlinux/readconfig.c b/com32/elflink/ldlinux/readconfig.c
index ed498ff4..898ee19a 100644
--- a/com32/elflink/ldlinux/readconfig.c
+++ b/com32/elflink/ldlinux/readconfig.c
@@ -60,6 +60,7 @@ short displaycon = 1; //conio.inc
short nohalt = 1; //idle.inc
char *default_cmd = NULL; //"default" command line
+char *onerror = NULL; //"onerror" command line
/* Empty refstring */
const char *empty_string;
@@ -703,6 +704,8 @@ static void parse_config_file(FILE * f)
refstr_put(m->onerror);
m->onerror = refstrdup(skipspace(p + 7));
onerrorlen = strlen(m->onerror);
+ refstr_put(onerror);
+ onerror = refstrdup(m->onerror);
} else if (looking_at(p, "master")) {
p = skipspace(p + 6);
if (looking_at(p, "passwd")) {
@@ -1030,6 +1033,12 @@ do_include:
nocomplete = atoi(skipspace(p + 10));
} else if (looking_at(p, "nohalt")) {
nohalt = atoi(skipspace(p + 8));
+ } else if (looking_at(p, "onerror")) {
+ refstr_put(m->onerror);
+ m->onerror = refstrdup(skipspace(p + 7));
+ onerrorlen = strlen(m->onerror);
+ refstr_put(onerror);
+ onerror = refstrdup(m->onerror);
}
/* serial setting, bps, flow control */