diff options
Diffstat (limited to 'lib/efi_loader')
| -rw-r--r-- | lib/efi_loader/efi_disk.c | 24 | ||||
| -rw-r--r-- | lib/efi_loader/efi_image_loader.c | 2 | ||||
| -rw-r--r-- | lib/efi_loader/efi_memory.c | 3 |
3 files changed, 20 insertions, 9 deletions
diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c index c434c92250a..d8ddcc9b423 100644 --- a/lib/efi_loader/efi_disk.c +++ b/lib/efi_loader/efi_disk.c @@ -31,6 +31,8 @@ struct efi_disk_obj { struct efi_device_path_file_path *dp; /* Offset into disk for simple partitions */ lbaint_t offset; + /* Internal block device */ + const struct blk_desc *desc; }; static efi_status_t efi_disk_open_block(void *handle, efi_guid_t *protocol, @@ -78,8 +80,7 @@ static efi_status_t EFIAPI efi_disk_rw_blocks(struct efi_block_io *this, unsigned long n; diskobj = container_of(this, struct efi_disk_obj, ops); - if (!(desc = blk_get_dev(diskobj->ifname, diskobj->dev_index))) - return EFI_EXIT(EFI_DEVICE_ERROR); + desc = (struct blk_desc *) diskobj->desc; blksz = desc->blksz; blocks = buffer_size / blksz; lba += diskobj->offset; @@ -201,6 +202,10 @@ static void efi_disk_add_dev(const char *name, struct efi_device_path_file_path *dp; int objlen = sizeof(*diskobj) + (sizeof(*dp) * 2); + /* Don't add empty devices */ + if (!desc->lba) + return; + diskobj = calloc(1, objlen); /* Fill in object data */ @@ -213,13 +218,14 @@ static void efi_disk_add_dev(const char *name, diskobj->ifname = if_typename; diskobj->dev_index = dev_index; diskobj->offset = offset; + diskobj->desc = desc; /* Fill in EFI IO Media info (for read/write callbacks) */ diskobj->media.removable_media = desc->removable; diskobj->media.media_present = 1; diskobj->media.block_size = desc->blksz; diskobj->media.io_align = desc->blksz; - diskobj->media.last_block = desc->lba; + diskobj->media.last_block = desc->lba - offset; diskobj->ops.media = &diskobj->media; /* Fill in device path */ @@ -240,7 +246,8 @@ static void efi_disk_add_dev(const char *name, static int efi_disk_create_eltorito(struct blk_desc *desc, const char *if_typename, - int diskid) + int diskid, + const char *pdevname) { int disks = 0; #ifdef CONFIG_ISO_PARTITION @@ -252,8 +259,8 @@ static int efi_disk_create_eltorito(struct blk_desc *desc, return 0; while (!part_get_info(desc, part, &info)) { - snprintf(devname, sizeof(devname), "%s%d:%d", if_typename, - diskid, part); + snprintf(devname, sizeof(devname), "%s:%d", pdevname, + part); efi_disk_add_dev(devname, if_typename, desc, diskid, info.start); part++; @@ -296,7 +303,7 @@ int efi_disk_register(void) * so let's create them here */ disks += efi_disk_create_eltorito(desc, if_typename, - desc->devnum); + desc->devnum, dev->name); } #else int i, if_type; @@ -331,7 +338,8 @@ int efi_disk_register(void) * El Torito images show up as block devices * in an EFI world, so let's create them here */ - disks += efi_disk_create_eltorito(desc, if_typename, i); + disks += efi_disk_create_eltorito(desc, if_typename, + i, devname); } } #endif diff --git a/lib/efi_loader/efi_image_loader.c b/lib/efi_loader/efi_image_loader.c index 574b204f23d..5165377eee6 100644 --- a/lib/efi_loader/efi_image_loader.c +++ b/lib/efi_loader/efi_image_loader.c @@ -37,7 +37,7 @@ static void efi_loader_relocate(const IMAGE_BASE_RELOCATION *rel, const uint16_t *relocs = (const uint16_t *)(rel + 1); i = (rel->SizeOfBlock - sizeof(*rel)) / sizeof(uint16_t); while (i--) { - uint16_t offset = (*relocs & 0xfff) + + uint32_t offset = (uint32_t)(*relocs & 0xfff) + rel->VirtualAddress; int type = *relocs >> EFI_PAGE_SHIFT; unsigned long delta = (unsigned long)efi_reloc; diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c index df2381e42c2..df3547c47f7 100644 --- a/lib/efi_loader/efi_memory.c +++ b/lib/efi_loader/efi_memory.c @@ -130,6 +130,9 @@ uint64_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type, bool carve_again; uint64_t carved_pages = 0; + debug("%s: 0x%" PRIx64 " 0x%" PRIx64 " %d %s\n", __func__, + start, pages, memory_type, overlap_only_ram ? "yes" : "no"); + if (!pages) return start; |