Reviewed-by: Jared Rossi <jro...@linux.ibm.com>

On 7/9/25 4:34 AM, Thomas Huth wrote:
From: Thomas Huth <th...@redhat.com>

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

Signed-off-by: Thomas Huth <th...@redhat.com>
---
  pc-bios/s390-ccw/netmain.c | 26 ++++++++++++++++++++++++++
  1 file changed, 26 insertions(+)

diff --git a/pc-bios/s390-ccw/netmain.c b/pc-bios/s390-ccw/netmain.c
index 6f64323cd84..a9521dff416 100644
--- a/pc-bios/s390-ccw/netmain.c
+++ b/pc-bios/s390-ccw/netmain.c
@@ -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!");


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