On Tue, May 22, 2018 at 02:04:21AM +0300, Sam Protsenko wrote: > In commit e163a931af34 ("cmd: gpt: backup boot code before writing MBR") > there was added the procedure for storing old boot code when doing "gpt > write". But instead of storing just backup code, the whole MBR was > stored, and only specific fields were replaced further, keeping > everything else intact. That's obviously not what we want. > > Fix the code to actually store only old boot code and zero out > everything else. This fixes next testing case: > > => mmc write $loadaddr 0x0 0x7b > => gpt write mmc 1 $partitions > > In case when $loadaddr address and further memory contains 0xff, the > board was bricked (ROM-code probably didn't like partition entries that > were clobbered with 0xff). With this patch applied, commands above don't > brick the board. > > Signed-off-by: Sam Protsenko <semen.protse...@linaro.org> > Cc: Alejandro Hernandez <ajhernan...@ti.com> > Tested-by: Andy Shevchenko <andy.shevche...@gmail.com>
Applied to u-boot/master, thanks! -- Tom
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