diff options
Diffstat (limited to 'sys/arch/armv7/stand/efiboot/fdt.h')
-rw-r--r-- | sys/arch/armv7/stand/efiboot/fdt.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/sys/arch/armv7/stand/efiboot/fdt.h b/sys/arch/armv7/stand/efiboot/fdt.h new file mode 100644 index 00000000000..2fc4e6f3047 --- /dev/null +++ b/sys/arch/armv7/stand/efiboot/fdt.h @@ -0,0 +1,67 @@ +/* $OpenBSD: fdt.h,v 1.1 2016/05/17 21:26:32 kettenis Exp $ */ + +/* + * Copyright (c) 2009 Dariusz Swiderski <sfires@sfires.net> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +struct fdt_head { + uint32_t fh_magic; + uint32_t fh_size; + uint32_t fh_struct_off; + uint32_t fh_strings_off; + uint32_t fh_reserve_off; + uint32_t fh_version; + uint32_t fh_comp_ver; /* last compatible version */ + uint32_t fh_boot_cpu_id; /* fh_version >=2 */ + uint32_t fh_strings_size; /* fh_version >=3 */ + uint32_t fh_struct_size; /* fh_version >=17 */ +}; + +struct fdt { + struct fdt_head *header; + char *tree; + char *strings; + char *memory; + char *end; + int version; + int strings_size; + int struct_size; +}; + +#define FDT_MAGIC 0xd00dfeed +#define FDT_NODE_BEGIN 0x01 +#define FDT_NODE_END 0x02 +#define FDT_PROPERTY 0x03 +#define FDT_NOP 0x04 +#define FDT_END 0x09 + +#define FDT_CODE_VERSION 0x11 + +int fdt_init(void *); +void fdt_finalize(void); +size_t fdt_get_size(void *); +void *fdt_next_node(void *); +void *fdt_child_node(void *); +char *fdt_node_name(void *); +void *fdt_find_node(char *); +int fdt_node_property(void *, char *, char **); +int fdt_set_node_property(void *, char *, char *, int); +int fdt_add_node_property(void *, char *, char *, int); +void *fdt_parent_node(void *); +#ifdef DEBUG +void *fdt_print_property(void *, int); +void fdt_print_node(void *, int); +void fdt_print_tree(void); +#endif |