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pxe: simplify menu display and selection 

Menus with lots of entries and long append lines are hard to read.
Just show a numbered list using the label or name and make the choice
by entering the number.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
This commit is contained in:
Rob Herring 2012-12-02 21:00:26 -06:00 committed by Joe Hershberger
parent e82eeb5709
commit 32d2ffe731
1 changed files with 16 additions and 18 deletions
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34
common/cmd_pxe.c
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@ -429,6 +429,7 @@ static int get_relfile_envaddr(const char *file_path, const char *envaddr_name)
* list - lets these form a list, which a pxe_menu struct will hold.
*/
struct pxe_label {
char num[4];
char *name;
char *menu;
char *kernel;
@ -518,21 +519,9 @@ static void label_destroy(struct pxe_label *label)
static void label_print(void *data)
{
struct pxe_label *label = data;
const char *c = label->menu ? label->menu : label->kernel;
const char *c = label->menu ? label->menu : label->name;
printf("%s:\t%s\n", label->name, c);
if (label->kernel)
printf("\t\tkernel: %s\n", label->kernel);
if (label->append)
printf("\t\tappend: %s\n", label->append);
if (label->initrd)
printf("\t\tinitrd: %s\n", label->initrd);
if (label->fdt)
printf("\tfdt: %s\n", label->fdt);
printf("%s:\t%s\n", label->num, c);
}
/*
@ -619,8 +608,10 @@ static int label_boot(struct pxe_label *label)
return 1;
}
if (label->append)
if (label->append) {
setenv("bootargs", label->append);
printf("append: %s\n", label->append);
}
bootm_argv[1] = getenv("kernel_addr_r");
@ -1268,6 +1259,8 @@ static struct menu *pxe_menu_to_menu(struct pxe_menu *cfg)
struct list_head *pos;
struct menu *m;
int err;
int i = 1;
char *default_num = NULL;
/*
* Create a menu and add items for all the labels.
@ -1281,18 +1274,23 @@ static struct menu *pxe_menu_to_menu(struct pxe_menu *cfg)
list_for_each(pos, &cfg->labels) {
label = list_entry(pos, struct pxe_label, list);
if (menu_item_add(m, label->name, label) != 1) {
sprintf(label->num, "%d", i++);
if (menu_item_add(m, label->num, label) != 1) {
menu_destroy(m);
return NULL;
}
if (cfg->default_label &&
(strcmp(label->name, cfg->default_label) == 0))
default_num = label->num;
}
/*
* After we've created items for each label in the menu, set the
* menu's default label if one was specified.
*/
if (cfg->default_label) {
err = menu_default_set(m, cfg->default_label);
if (default_num) {
err = menu_default_set(m, default_num);
if (err != 1) {
if (err != -ENOENT) {
menu_destroy(m);