Lines Matching defs:fdt
53 #include <fdt.h>
58 static int _fdt_sw_check_header(void *fdt)
60 if (fdt_magic(fdt) != FDT_SW_MAGIC)
65 #define FDT_SW_CHECK_HEADER(fdt) \
68 if ((err = _fdt_sw_check_header(fdt)) != 0) \
72 static void *_fdt_grab_space(void *fdt, int len)
74 int offset = fdt_size_dt_struct(fdt);
77 spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt)
78 - fdt_size_dt_strings(fdt);
83 fdt_set_size_dt_struct(fdt, offset + len);
84 return fdt_offset_ptr_w(fdt, offset, len);
89 void *fdt = buf;
96 fdt_set_magic(fdt, FDT_SW_MAGIC);
97 fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION);
98 fdt_set_last_comp_version(fdt, FDT_FIRST_SUPPORTED_VERSION);
99 fdt_set_totalsize(fdt, bufsize);
101 fdt_set_off_mem_rsvmap(fdt, FDT_ALIGN(sizeof(struct fdt_header),
103 fdt_set_off_dt_struct(fdt, fdt_off_mem_rsvmap(fdt));
104 fdt_set_off_dt_strings(fdt, bufsize);
109 int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
114 FDT_SW_CHECK_HEADER(fdt);
116 if (fdt_size_dt_struct(fdt))
119 offset = fdt_off_dt_struct(fdt);
120 if ((offset + sizeof(*re)) > fdt_totalsize(fdt))
123 re = (struct fdt_reserve_entry *)((char *)fdt + offset);
127 fdt_set_off_dt_struct(fdt, offset + sizeof(*re));
132 int fdt_finish_reservemap(void *fdt)
134 return fdt_add_reservemap_entry(fdt, 0, 0);
137 int fdt_begin_node(void *fdt, const char *name)
142 FDT_SW_CHECK_HEADER(fdt);
144 nh = _fdt_grab_space(fdt, sizeof(*nh) + FDT_TAGALIGN(namelen));
153 int fdt_end_node(void *fdt)
157 FDT_SW_CHECK_HEADER(fdt);
159 en = _fdt_grab_space(fdt, FDT_TAGSIZE);
167 static int _fdt_find_add_string(void *fdt, const char *s)
169 char *strtab = (char *)fdt + fdt_totalsize(fdt);
171 int strtabsize = fdt_size_dt_strings(fdt);
181 struct_top = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
182 if (fdt_totalsize(fdt) + offset < struct_top)
186 fdt_set_size_dt_strings(fdt, strtabsize + len);
190 int fdt_property(void *fdt, const char *name, const void *val, int len)
195 FDT_SW_CHECK_HEADER(fdt);
197 nameoff = _fdt_find_add_string(fdt, name);
201 prop = _fdt_grab_space(fdt, sizeof(*prop) + FDT_TAGALIGN(len));
212 int fdt_finish(void *fdt)
214 char *p = (char *)fdt;
220 FDT_SW_CHECK_HEADER(fdt);
223 end = _fdt_grab_space(fdt, sizeof(*end));
229 oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt);
230 newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt);
231 memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt));
232 fdt_set_off_dt_strings(fdt, newstroffset);
236 while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) {
239 fdt_offset_ptr_w(fdt, offset, sizeof(*prop));
246 nameoff += fdt_size_dt_strings(fdt);
253 fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt));
254 fdt_set_magic(fdt, FDT_MAGIC);