openwrt/target/linux/lantiq/patches-2.6.32/230-cmdline_hack.patch

57 lines
1.1 KiB
Diff

--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -39,20 +39,51 @@ void prom_free_prom_memory(void)
{
}
+#ifdef CONFIG_IMAGE_CMDLINE_HACK
+extern char __image_cmdline[];
+
+static void __init
+prom_init_image_cmdline(void)
+{
+ char *p = __image_cmdline;
+ int replace = 0;
+
+ if (*p == '-') {
+ replace = 1;
+ p++;
+ }
+
+ if (*p == '\0')
+ return;
+
+ if (replace) {
+ strlcpy(arcs_cmdline, p, sizeof(arcs_cmdline));
+ } else {
+ strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
+ strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
+ }
+}
+#else
+static void __init prom_init_image_cmdline(void) { return; }
+#endif
+
static void __init prom_init_cmdline(void)
{
int argc = fw_arg0;
char **argv = (char **) KSEG1ADDR(fw_arg1);
int i;
+ arcs_cmdline[0] = '\0';
+
for (i = 0; i < argc; i++) {
- char *p = (char *) KSEG1ADDR(argv[i]);
+ char *p = (char *) KSEG1ADDR(argv[i]);
- if (p && *p) {
+ if (CPHYSADDR(p) && *p) {
strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
}
}
+ prom_init_image_cmdline();
}
void __init prom_init(void)