diff options
Diffstat (limited to 'sys/dev/efidev/efirt.c')
| -rw-r--r-- | sys/dev/efidev/efirt.c | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/sys/dev/efidev/efirt.c b/sys/dev/efidev/efirt.c index b0fa33daeca7..b55c1c191077 100644 --- a/sys/dev/efidev/efirt.c +++ b/sys/dev/efidev/efirt.c @@ -107,7 +107,8 @@ static int efi_status2err[25] = { enum efi_table_type { TYPE_ESRT = 0, - TYPE_PROP + TYPE_PROP, + TYPE_MEMORY_ATTR }; static int efi_enter(void); @@ -445,6 +446,42 @@ get_table_length(enum efi_table_type type, size_t *table_len, void **taddr) free(buf, M_TEMP); return (0); } + case TYPE_MEMORY_ATTR: + { + efi_guid_t guid = EFI_MEMORY_ATTRIBUTES_TABLE; + struct efi_memory_attribute_table *tbl_addr, *mem_addr; + int error; + void *buf; + size_t len = sizeof(struct efi_memory_attribute_table); + + error = efi_get_table(&guid, (void **)&tbl_addr); + if (error) + return (error); + + buf = malloc(len, M_TEMP, M_WAITOK); + error = physcopyout((vm_paddr_t)tbl_addr, buf, len); + if (error) { + free(buf, M_TEMP); + return (error); + } + + mem_addr = (struct efi_memory_attribute_table *)buf; + if (mem_addr->version != 2) { + free(buf, M_TEMP); + return (EINVAL); + } + len += mem_addr->descriptor_size * mem_addr->num_ents; + if (len > EFI_TABLE_ALLOC_MAX) { + free(buf, M_TEMP); + return (ENOMEM); + } + + *table_len = len; + if (taddr != NULL) + *taddr = tbl_addr; + free(buf, M_TEMP); + return (0); + } } return (ENOENT); } @@ -457,7 +494,8 @@ copy_table(efi_guid_t *guid, void **buf, size_t buf_len, size_t *table_len) enum efi_table_type type; } tables[] = { { EFI_TABLE_ESRT, TYPE_ESRT }, - { EFI_PROPERTIES_TABLE, TYPE_PROP } + { EFI_PROPERTIES_TABLE, TYPE_PROP }, + { EFI_MEMORY_ATTRIBUTES_TABLE, TYPE_MEMORY_ATTR } }; size_t table_idx; void *taddr; |