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- #ifndef LIBFDT_H
- #define LIBFDT_H
- #include "libfdt_env.h"
- #include "fdt.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- #define FDT_FIRST_SUPPORTED_VERSION 0x02
- #define FDT_LAST_COMPATIBLE_VERSION 0x10
- #define FDT_LAST_SUPPORTED_VERSION 0x11
- #define FDT_ERR_NOTFOUND 1
-
- #define FDT_ERR_EXISTS 2
-
- #define FDT_ERR_NOSPACE 3
-
- #define FDT_ERR_BADOFFSET 4
-
- #define FDT_ERR_BADPATH 5
-
- #define FDT_ERR_BADPHANDLE 6
-
- #define FDT_ERR_BADSTATE 7
-
- #define FDT_ERR_TRUNCATED 8
-
- #define FDT_ERR_BADMAGIC 9
-
- #define FDT_ERR_BADVERSION 10
-
- #define FDT_ERR_BADSTRUCTURE 11
-
- #define FDT_ERR_BADLAYOUT 12
-
- #define FDT_ERR_INTERNAL 13
-
- #define FDT_ERR_BADNCELLS 14
-
- #define FDT_ERR_BADVALUE 15
-
- #define FDT_ERR_BADOVERLAY 16
-
- #define FDT_ERR_NOPHANDLES 17
-
- #define FDT_ERR_BADFLAGS 18
-
- #define FDT_ERR_ALIGNMENT 19
-
- #define FDT_ERR_MAX 19
- #define FDT_MAX_PHANDLE 0xfffffffe
-
- #ifndef SWIG
- const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int checklen);
- #endif
- static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen)
- {
- return (void *)(uintptr_t)fdt_offset_ptr(fdt, offset, checklen);
- }
- uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset);
- static inline uint16_t fdt16_ld(const fdt16_t *p)
- {
- const uint8_t *bp = (const uint8_t *)p;
- return ((uint16_t)bp[0] << 8) | bp[1];
- }
- static inline uint32_t fdt32_ld(const fdt32_t *p)
- {
- const uint8_t *bp = (const uint8_t *)p;
- return ((uint32_t)bp[0] << 24)
- | ((uint32_t)bp[1] << 16)
- | ((uint32_t)bp[2] << 8)
- | bp[3];
- }
- static inline void fdt32_st(void *property, uint32_t value)
- {
- uint8_t *bp = (uint8_t *)property;
- bp[0] = value >> 24;
- bp[1] = (value >> 16) & 0xff;
- bp[2] = (value >> 8) & 0xff;
- bp[3] = value & 0xff;
- }
- static inline uint64_t fdt64_ld(const fdt64_t *p)
- {
- const uint8_t *bp = (const uint8_t *)p;
- return ((uint64_t)bp[0] << 56)
- | ((uint64_t)bp[1] << 48)
- | ((uint64_t)bp[2] << 40)
- | ((uint64_t)bp[3] << 32)
- | ((uint64_t)bp[4] << 24)
- | ((uint64_t)bp[5] << 16)
- | ((uint64_t)bp[6] << 8)
- | bp[7];
- }
- static inline void fdt64_st(void *property, uint64_t value)
- {
- uint8_t *bp = (uint8_t *)property;
- bp[0] = value >> 56;
- bp[1] = (value >> 48) & 0xff;
- bp[2] = (value >> 40) & 0xff;
- bp[3] = (value >> 32) & 0xff;
- bp[4] = (value >> 24) & 0xff;
- bp[5] = (value >> 16) & 0xff;
- bp[6] = (value >> 8) & 0xff;
- bp[7] = value & 0xff;
- }
- int fdt_next_node(const void *fdt, int offset, int *depth);
- int fdt_first_subnode(const void *fdt, int offset);
- int fdt_next_subnode(const void *fdt, int offset);
- #define fdt_for_each_subnode(node, fdt, parent) \
- for (node = fdt_first_subnode(fdt, parent); \
- node >= 0; \
- node = fdt_next_subnode(fdt, node))
- #define fdt_get_header(fdt, field) \
- (fdt32_ld(&((const struct fdt_header *)(fdt))->field))
- #define fdt_magic(fdt) (fdt_get_header(fdt, magic))
- #define fdt_totalsize(fdt) (fdt_get_header(fdt, totalsize))
- #define fdt_off_dt_struct(fdt) (fdt_get_header(fdt, off_dt_struct))
- #define fdt_off_dt_strings(fdt) (fdt_get_header(fdt, off_dt_strings))
- #define fdt_off_mem_rsvmap(fdt) (fdt_get_header(fdt, off_mem_rsvmap))
- #define fdt_version(fdt) (fdt_get_header(fdt, version))
- #define fdt_last_comp_version(fdt) (fdt_get_header(fdt, last_comp_version))
- #define fdt_boot_cpuid_phys(fdt) (fdt_get_header(fdt, boot_cpuid_phys))
- #define fdt_size_dt_strings(fdt) (fdt_get_header(fdt, size_dt_strings))
- #define fdt_size_dt_struct(fdt) (fdt_get_header(fdt, size_dt_struct))
- #define fdt_set_hdr_(name) \
- static inline void fdt_set_##name(void *fdt, uint32_t val) \
- { \
- struct fdt_header *fdth = (struct fdt_header *)fdt; \
- fdth->name = cpu_to_fdt32(val); \
- }
- fdt_set_hdr_(magic);
- fdt_set_hdr_(totalsize);
- fdt_set_hdr_(off_dt_struct);
- fdt_set_hdr_(off_dt_strings);
- fdt_set_hdr_(off_mem_rsvmap);
- fdt_set_hdr_(version);
- fdt_set_hdr_(last_comp_version);
- fdt_set_hdr_(boot_cpuid_phys);
- fdt_set_hdr_(size_dt_strings);
- fdt_set_hdr_(size_dt_struct);
- #undef fdt_set_hdr_
- size_t fdt_header_size(const void *fdt);
- size_t fdt_header_size_(uint32_t version);
- int fdt_check_header(const void *fdt);
- int fdt_move(const void *fdt, void *buf, int bufsize);
- int fdt_check_full(const void *fdt, size_t bufsize);
- const char *fdt_get_string(const void *fdt, int stroffset, int *lenp);
- const char *fdt_string(const void *fdt, int stroffset);
- int fdt_find_max_phandle(const void *fdt, uint32_t *phandle);
- static inline uint32_t fdt_get_max_phandle(const void *fdt)
- {
- uint32_t phandle;
- int err;
- err = fdt_find_max_phandle(fdt, &phandle);
- if (err < 0)
- return (uint32_t)-1;
- return phandle;
- }
- int fdt_generate_phandle(const void *fdt, uint32_t *phandle);
- int fdt_num_mem_rsv(const void *fdt);
- int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size);
- #ifndef SWIG
- int fdt_subnode_offset_namelen(const void *fdt, int parentoffset,
- const char *name, int namelen);
- #endif
- int fdt_subnode_offset(const void *fdt, int parentoffset, const char *name);
- #ifndef SWIG
- int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen);
- #endif
- int fdt_path_offset(const void *fdt, const char *path);
- const char *fdt_get_name(const void *fdt, int nodeoffset, int *lenp);
- int fdt_first_property_offset(const void *fdt, int nodeoffset);
- int fdt_next_property_offset(const void *fdt, int offset);
- #define fdt_for_each_property_offset(property, fdt, node) \
- for (property = fdt_first_property_offset(fdt, node); \
- property >= 0; \
- property = fdt_next_property_offset(fdt, property))
- const struct fdt_property *fdt_get_property_by_offset(const void *fdt,
- int offset,
- int *lenp);
- static inline struct fdt_property *fdt_get_property_by_offset_w(void *fdt,
- int offset,
- int *lenp)
- {
- return (struct fdt_property *)(uintptr_t)
- fdt_get_property_by_offset(fdt, offset, lenp);
- }
- #ifndef SWIG
- const struct fdt_property *fdt_get_property_namelen(const void *fdt,
- int nodeoffset,
- const char *name,
- int namelen, int *lenp);
- #endif
- const struct fdt_property *fdt_get_property(const void *fdt, int nodeoffset,
- const char *name, int *lenp);
- static inline struct fdt_property *fdt_get_property_w(void *fdt, int nodeoffset,
- const char *name,
- int *lenp)
- {
- return (struct fdt_property *)(uintptr_t)
- fdt_get_property(fdt, nodeoffset, name, lenp);
- }
- #ifndef SWIG
- const void *fdt_getprop_by_offset(const void *fdt, int offset,
- const char **namep, int *lenp);
- #endif
- #ifndef SWIG
- const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,
- const char *name, int namelen, int *lenp);
- static inline void *fdt_getprop_namelen_w(void *fdt, int nodeoffset,
- const char *name, int namelen,
- int *lenp)
- {
- return (void *)(uintptr_t)fdt_getprop_namelen(fdt, nodeoffset, name,
- namelen, lenp);
- }
- #endif
- const void *fdt_getprop(const void *fdt, int nodeoffset,
- const char *name, int *lenp);
- static inline void *fdt_getprop_w(void *fdt, int nodeoffset,
- const char *name, int *lenp)
- {
- return (void *)(uintptr_t)fdt_getprop(fdt, nodeoffset, name, lenp);
- }
- uint32_t fdt_get_phandle(const void *fdt, int nodeoffset);
- #ifndef SWIG
- const char *fdt_get_alias_namelen(const void *fdt,
- const char *name, int namelen);
- #endif
- const char *fdt_get_alias(const void *fdt, const char *name);
- int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen);
- int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,
- int supernodedepth, int *nodedepth);
- int fdt_node_depth(const void *fdt, int nodeoffset);
- int fdt_parent_offset(const void *fdt, int nodeoffset);
- int fdt_node_offset_by_prop_value(const void *fdt, int startoffset,
- const char *propname,
- const void *propval, int proplen);
- int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle);
- int fdt_node_check_compatible(const void *fdt, int nodeoffset,
- const char *compatible);
- int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
- const char *compatible);
- int fdt_stringlist_contains(const char *strlist, int listlen, const char *str);
- int fdt_stringlist_count(const void *fdt, int nodeoffset, const char *property);
- int fdt_stringlist_search(const void *fdt, int nodeoffset, const char *property,
- const char *string);
- const char *fdt_stringlist_get(const void *fdt, int nodeoffset,
- const char *property, int index,
- int *lenp);
- #define FDT_MAX_NCELLS 4
- int fdt_address_cells(const void *fdt, int nodeoffset);
- int fdt_size_cells(const void *fdt, int nodeoffset);
- #ifndef SWIG
- int fdt_setprop_inplace_namelen_partial(void *fdt, int nodeoffset,
- const char *name, int namelen,
- uint32_t idx, const void *val,
- int len);
- #endif
- #ifndef SWIG
- int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
- const void *val, int len);
- #endif
- static inline int fdt_setprop_inplace_u32(void *fdt, int nodeoffset,
- const char *name, uint32_t val)
- {
- fdt32_t tmp = cpu_to_fdt32(val);
- return fdt_setprop_inplace(fdt, nodeoffset, name, &tmp, sizeof(tmp));
- }
- static inline int fdt_setprop_inplace_u64(void *fdt, int nodeoffset,
- const char *name, uint64_t val)
- {
- fdt64_t tmp = cpu_to_fdt64(val);
- return fdt_setprop_inplace(fdt, nodeoffset, name, &tmp, sizeof(tmp));
- }
- static inline int fdt_setprop_inplace_cell(void *fdt, int nodeoffset,
- const char *name, uint32_t val)
- {
- return fdt_setprop_inplace_u32(fdt, nodeoffset, name, val);
- }
- int fdt_nop_property(void *fdt, int nodeoffset, const char *name);
- int fdt_nop_node(void *fdt, int nodeoffset);
- #define FDT_CREATE_FLAG_NO_NAME_DEDUP 0x1
-
- #define FDT_CREATE_FLAGS_ALL (FDT_CREATE_FLAG_NO_NAME_DEDUP)
- int fdt_create_with_flags(void *buf, int bufsize, uint32_t flags);
- int fdt_create(void *buf, int bufsize);
- int fdt_resize(void *fdt, void *buf, int bufsize);
- int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size);
- int fdt_finish_reservemap(void *fdt);
- int fdt_begin_node(void *fdt, const char *name);
- int fdt_property(void *fdt, const char *name, const void *val, int len);
- static inline int fdt_property_u32(void *fdt, const char *name, uint32_t val)
- {
- fdt32_t tmp = cpu_to_fdt32(val);
- return fdt_property(fdt, name, &tmp, sizeof(tmp));
- }
- static inline int fdt_property_u64(void *fdt, const char *name, uint64_t val)
- {
- fdt64_t tmp = cpu_to_fdt64(val);
- return fdt_property(fdt, name, &tmp, sizeof(tmp));
- }
- #ifndef SWIG
- static inline int fdt_property_cell(void *fdt, const char *name, uint32_t val)
- {
- return fdt_property_u32(fdt, name, val);
- }
- #endif
- int fdt_property_placeholder(void *fdt, const char *name, int len, void **valp);
- #define fdt_property_string(fdt, name, str) \
- fdt_property(fdt, name, str, strlen(str)+1)
- int fdt_end_node(void *fdt);
- int fdt_finish(void *fdt);
- int fdt_create_empty_tree(void *buf, int bufsize);
- int fdt_open_into(const void *fdt, void *buf, int bufsize);
- int fdt_pack(void *fdt);
- int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size);
- int fdt_del_mem_rsv(void *fdt, int n);
- int fdt_set_name(void *fdt, int nodeoffset, const char *name);
- int fdt_setprop(void *fdt, int nodeoffset, const char *name,
- const void *val, int len);
- int fdt_setprop_placeholder(void *fdt, int nodeoffset, const char *name,
- int len, void **prop_data);
- static inline int fdt_setprop_u32(void *fdt, int nodeoffset, const char *name,
- uint32_t val)
- {
- fdt32_t tmp = cpu_to_fdt32(val);
- return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
- }
- static inline int fdt_setprop_u64(void *fdt, int nodeoffset, const char *name,
- uint64_t val)
- {
- fdt64_t tmp = cpu_to_fdt64(val);
- return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
- }
- static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name,
- uint32_t val)
- {
- return fdt_setprop_u32(fdt, nodeoffset, name, val);
- }
- #define fdt_setprop_string(fdt, nodeoffset, name, str) \
- fdt_setprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)
- #define fdt_setprop_empty(fdt, nodeoffset, name) \
- fdt_setprop((fdt), (nodeoffset), (name), NULL, 0)
- int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
- const void *val, int len);
- static inline int fdt_appendprop_u32(void *fdt, int nodeoffset,
- const char *name, uint32_t val)
- {
- fdt32_t tmp = cpu_to_fdt32(val);
- return fdt_appendprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
- }
- static inline int fdt_appendprop_u64(void *fdt, int nodeoffset,
- const char *name, uint64_t val)
- {
- fdt64_t tmp = cpu_to_fdt64(val);
- return fdt_appendprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
- }
- static inline int fdt_appendprop_cell(void *fdt, int nodeoffset,
- const char *name, uint32_t val)
- {
- return fdt_appendprop_u32(fdt, nodeoffset, name, val);
- }
- #define fdt_appendprop_string(fdt, nodeoffset, name, str) \
- fdt_appendprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)
- int fdt_appendprop_addrrange(void *fdt, int parent, int nodeoffset,
- const char *name, uint64_t addr, uint64_t size);
- int fdt_delprop(void *fdt, int nodeoffset, const char *name);
- #ifndef SWIG
- int fdt_add_subnode_namelen(void *fdt, int parentoffset,
- const char *name, int namelen);
- #endif
- int fdt_add_subnode(void *fdt, int parentoffset, const char *name);
- int fdt_del_node(void *fdt, int nodeoffset);
- int fdt_overlay_apply(void *fdt, void *fdto);
- int fdt_overlay_target_offset(const void *fdt, const void *fdto,
- int fragment_offset, char const **pathp);
- const char *fdt_strerror(int errval);
- #ifdef __cplusplus
- }
- #endif
- #endif
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