forked from Mirrors/opensbi
lib: utils/libfdt: Upgrade to v1.6.1 release
Sync with libfdt v1.6.1 release source codes. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Anup Patel <anup.patel@wdc.com>
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@@ -46,7 +46,7 @@ static int fdt_rw_probe_(void *fdt)
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return err_; \
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}
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static inline int fdt_data_size_(void *fdt)
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static inline unsigned int fdt_data_size_(void *fdt)
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{
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return fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt);
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}
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@@ -54,15 +54,16 @@ static inline int fdt_data_size_(void *fdt)
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static int fdt_splice_(void *fdt, void *splicepoint, int oldlen, int newlen)
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{
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char *p = splicepoint;
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char *end = (char *)fdt + fdt_data_size_(fdt);
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unsigned int dsize = fdt_data_size_(fdt);
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size_t soff = p - (char *)fdt;
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if (((p + oldlen) < p) || ((p + oldlen) > end))
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if ((oldlen < 0) || (soff + oldlen < soff) || (soff + oldlen > dsize))
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return -FDT_ERR_BADOFFSET;
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if ((p < (char *)fdt) || ((end - oldlen + newlen) < (char *)fdt))
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if ((p < (char *)fdt) || (dsize + newlen < (unsigned)oldlen))
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return -FDT_ERR_BADOFFSET;
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if ((end - oldlen + newlen) > ((char *)fdt + fdt_totalsize(fdt)))
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if (dsize - oldlen + newlen > fdt_totalsize(fdt))
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return -FDT_ERR_NOSPACE;
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memmove(p + newlen, p + oldlen, end - p - oldlen);
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memmove(p + newlen, p + oldlen, ((char *)fdt + dsize) - (p + oldlen));
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return 0;
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}
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@@ -348,7 +349,10 @@ int fdt_add_subnode_namelen(void *fdt, int parentoffset,
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return offset;
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/* Try to place the new node after the parent's properties */
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fdt_next_tag(fdt, parentoffset, &nextoffset); /* skip the BEGIN_NODE */
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tag = fdt_next_tag(fdt, parentoffset, &nextoffset);
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/* the fdt_subnode_offset_namelen() should ensure this never hits */
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if (!can_assume(LIBFDT_FLAWLESS) && (tag != FDT_BEGIN_NODE))
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return -FDT_ERR_INTERNAL;
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do {
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offset = nextoffset;
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tag = fdt_next_tag(fdt, offset, &nextoffset);
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@@ -390,7 +394,9 @@ int fdt_del_node(void *fdt, int nodeoffset)
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}
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static void fdt_packblocks_(const char *old, char *new,
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int mem_rsv_size, int struct_size)
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int mem_rsv_size,
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int struct_size,
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int strings_size)
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{
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int mem_rsv_off, struct_off, strings_off;
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@@ -405,8 +411,7 @@ static void fdt_packblocks_(const char *old, char *new,
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fdt_set_off_dt_struct(new, struct_off);
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fdt_set_size_dt_struct(new, struct_size);
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memmove(new + strings_off, old + fdt_off_dt_strings(old),
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fdt_size_dt_strings(old));
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memmove(new + strings_off, old + fdt_off_dt_strings(old), strings_size);
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fdt_set_off_dt_strings(new, strings_off);
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fdt_set_size_dt_strings(new, fdt_size_dt_strings(old));
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}
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@@ -427,15 +432,17 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize)
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if (can_assume(LATEST) || fdt_version(fdt) >= 17) {
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struct_size = fdt_size_dt_struct(fdt);
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} else {
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} else if (fdt_version(fdt) == 16) {
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struct_size = 0;
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while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END)
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;
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if (struct_size < 0)
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return struct_size;
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} else {
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return -FDT_ERR_BADVERSION;
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}
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if (can_assume(LIBFDT_ORDER) |
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if (can_assume(LIBFDT_ORDER) ||
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!fdt_blocks_misordered_(fdt, mem_rsv_size, struct_size)) {
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/* no further work necessary */
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err = fdt_move(fdt, buf, bufsize);
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@@ -464,7 +471,8 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize)
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return -FDT_ERR_NOSPACE;
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}
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fdt_packblocks_(fdt, tmp, mem_rsv_size, struct_size);
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fdt_packblocks_(fdt, tmp, mem_rsv_size, struct_size,
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fdt_size_dt_strings(fdt));
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memmove(buf, tmp, newsize);
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fdt_set_magic(buf, FDT_MAGIC);
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@@ -484,7 +492,8 @@ int fdt_pack(void *fdt)
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mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
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* sizeof(struct fdt_reserve_entry);
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fdt_packblocks_(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt));
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fdt_packblocks_(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt),
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fdt_size_dt_strings(fdt));
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fdt_set_totalsize(fdt, fdt_data_size_(fdt));
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return 0;
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