From c6e8465f8455e0f9a327226f32c9ad3e26484b9e Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sun, 14 Apr 2013 16:55:20 +0200 Subject: [PATCH 302/482] * grub-core/disk/ieee1275/ofdisk.c: Iterate over bootpath even if it would be otherwise excluded. --- ChangeLog | 7 +++++- grub-core/disk/ieee1275/ofdisk.c | 49 +++++++++++++++++++++++++++++++++++++--- 2 files changed, 52 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index 9df4d1e..1088061 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,4 +1,9 @@ -2013-04-13 Vladimir Serbinenko +2013-04-14 Vladimir Serbinenko + + * grub-core/disk/ieee1275/ofdisk.c: Iterate over bootpath even if it + would be otherwise excluded. + +2013-04-14 Vladimir Serbinenko * grub-core/kern/ieee1275/cmain.c (grub_ieee1275_find_options): Inline name defines used only once. diff --git a/grub-core/disk/ieee1275/ofdisk.c b/grub-core/disk/ieee1275/ofdisk.c index 1d4de90..bebf777 100644 --- a/grub-core/disk/ieee1275/ofdisk.c +++ b/grub-core/disk/ieee1275/ofdisk.c @@ -31,6 +31,7 @@ static grub_ieee1275_ihandle_t last_ihandle; struct ofdisk_hash_ent { char *devpath; + int is_boot; /* Pointer to shortest available name on nodes representing canonical names, otherwise NULL. */ const char *shortest; @@ -69,13 +70,12 @@ ofdisk_hash_add_real (char *devpath) struct ofdisk_hash_ent *p; struct ofdisk_hash_ent **head = &ofdisk_hash[ofdisk_hash_fn(devpath)]; - p = grub_malloc(sizeof (*p)); + p = grub_zalloc (sizeof (*p)); if (!p) return NULL; p->devpath = devpath; p->next = *head; - p->shortest = 0; *head = p; return p; } @@ -267,7 +267,8 @@ grub_ofdisk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data, } } - if (grub_strncmp (ent->shortest, "cdrom", 5) == 0) + if (grub_strncmp (ent->shortest, "cdrom", 5) == 0 + || ent->is_boot) continue; { @@ -491,9 +492,51 @@ static struct grub_disk_dev grub_ofdisk_dev = .next = 0 }; +static void +insert_bootpath (void) +{ + char *bootpath; + grub_ssize_t bootpath_size; + char *type; + + if (grub_ieee1275_get_property_length (grub_ieee1275_chosen, "bootpath", + &bootpath_size) + || bootpath_size <= 0) + { + /* Should never happen. */ + grub_printf ("/chosen/bootpath property missing!\n"); + return; + } + + bootpath = (char *) grub_malloc ((grub_size_t) bootpath_size + 64); + if (! bootpath) + { + grub_print_error (); + return; + } + grub_ieee1275_get_property (grub_ieee1275_chosen, "bootpath", bootpath, + (grub_size_t) bootpath_size + 1, 0); + bootpath[bootpath_size] = '\0'; + + /* Transform an OF device path to a GRUB path. */ + + type = grub_ieee1275_get_device_type (bootpath); + if (!(type && grub_strcmp (type, "network") == 0)) + { + struct ofdisk_hash_ent *op; + char *device = grub_ieee1275_get_devname (bootpath); + op = ofdisk_hash_add (device, NULL); + op->is_boot = 1; + } + grub_free (type); + grub_free (bootpath); +} + void grub_ofdisk_init (void) { + insert_bootpath (); + grub_disk_dev_register (&grub_ofdisk_dev); } -- 1.8.2.1