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This patch is twofold.
1. Improves the low level ecc memcpy code to better
specify that we're reading/writing buffers with ecc bytes.
2. Improves/creates the libflash interfaces for ecc.
This patch also includes some tests
Signed-off-by: Cyril Bur <cyril.bur@au1.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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The flash is in big endian and the ecc code must be aware of this when
performing ecc checks on a little endian cpu.
Signed-off-by: Cyril Bur <cyril.bur@au1.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Signed-off-by: Cyril Bur <cyril.bur@au1.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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The ecc.h header is used by libflash, so should sit in libflash, to
allow non-skiboot tools to access it.
This change is a simple move of the header file - no changes are made to
the header itself.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Reviewed-By: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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We don't have prerror / prlog functions when compiling outside of
skiboot. Use the FL_* macros instead.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Add ECC checking code. This code is based on the hostboot code.
Unused currently, but will be soon. This uses __builtin_parityl() hence adding
libgcc linking previously.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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