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Code-paths responsible for initializing CPU's stack pointer and variable
used in stack memory resource reservation got out of sync which resulted
in actual stack being 64K off from what "stack" struct resource
registered by arm_request_stack() thought it was.
At least one issue resulting from that can be easily triggered by
running:
memtest -t
This commit unifies the aforementioned code to a certain degree which
solves the problem and hopefuly makes it less likely to become an issue
again.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The last 64KiB of address space may be used for the vector table at
0xffff0000, so we cannot use it for barebox. The easiest way to archieve
this is to never use the last 64KiB of memory.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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All versions of barebox_arm_entry (in uncompress.c, start.c and
start-pbl.c) appear to be doing exacty the same thing. So move the
definition into a separate file and use IS_ENABLED macro to avoid
re-definition.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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