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pc-bios/s390-ccw: Add a boot menu for booting via pxelinux.cfg

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Show a simple boot menu for pxelinux.cfg, too, if the user requested it.

Reviewed-by: Jared Rossi <jrossi@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250709083443.41574-5-thuth@redhat.com>
This commit is contained in:
Thomas Huth 2025-07-09 10:34:42 +02:00
parent 47d68f7475
commit fc24fd9342
1 changed files with 26 additions and 0 deletions
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26
pc-bios/s390-ccw/netmain.c
View file

@ -332,6 +332,28 @@ static int load_kernel_with_initrd(filename_ip_t *fn_ip,
return rc;
}
static int net_boot_menu(int num_ent, int def_ent,
struct pl_cfg_entry *entries)
{
bool valid_entries[MAX_BOOT_ENTRIES] = { false };
int idx;
puts("\ns390-ccw pxelinux.cfg boot menu:\n");
printf(" [0] default (%d)\n", def_ent + 1);
valid_entries[0] = true;
for (idx = 1; idx <= num_ent; idx++) {
printf(" [%d] %s\n", idx, entries[idx - 1].label);
valid_entries[idx] = true;
}
putchar('\n');
idx = menu_get_boot_index(valid_entries);
putchar('\n');
return idx;
}
static int net_select_and_load_kernel(filename_ip_t *fn_ip,
int num_ent, int selected,
struct pl_cfg_entry *entries)
@ -342,6 +364,10 @@ static int net_select_and_load_kernel(filename_ip_t *fn_ip,
return -1;
}
if (menu_is_enabled_enum() && num_ent > 1) {
loadparm = net_boot_menu(num_ent, selected, entries);
}
IPL_assert(loadparm <= num_ent,
"loadparm is set to an entry that is not available in the "
"pxelinux.cfg file!");