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EmbeddedPkg/FdtLib: Update FdtLib to v1.4.5

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Update the FdtLib so that new APIs provided by FdtLib like
fdt_address_cells, fdt_size_cells etc. can be used.

Reference code:
https://git.kernel.org/pub/scm/utils/dtc/dtc.git/tree/libfdt?h=v1.4.5

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Pankaj Bansal <pankaj.bansal@nxp.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
This commit is contained in:
Pankaj Bansal
2018-01-05 16:47:37 +05:30
committed by Ard Biesheuvel
parent 0bc94c748b
commit a099239015
14 changed files with 761 additions and 88 deletions
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13
EmbeddedPkg/Library/FdtLib/fdt.c
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@@ -76,18 +76,19 @@ int fdt_check_header(const void *fdt)
const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)
{
const char *p;
unsigned absoffset = offset + fdt_off_dt_struct(fdt);
if ((absoffset < offset)
|| ((absoffset + len) < absoffset)
|| (absoffset + len) > fdt_totalsize(fdt))
return NULL;
if (fdt_version(fdt) >= 0x11)
if (((offset + len) < offset)
|| ((offset + len) > fdt_size_dt_struct(fdt)))
return NULL;
p = _fdt_offset_ptr(fdt, offset);
if (p + len < p)
return NULL;
return p;
return _fdt_offset_ptr(fdt, offset);
}
uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)