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2 commits

Author SHA1 Message Date
Alexey Brodkin
699c4e592b arc: Update exception & interrupt handling for ARCv2 
Initially IVT for ARCv2 was simply copypasted from ARCompact
with some selected fixes so basic stuff works.

Now we update it with more ARCv2 specific vectors like
 * Software Interrupt
 * Division by zero
 * Data cache consistency error
 * Misaligned access

Also normal interrupts are now implemented properly and extened to
all possible 240 items.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
 2016-08-05 12:50:25 +03:00
Alexey Brodkin
4d93617d87 arc: merge common start-up code between ARC and ARCv2 
Even though ARCompact and ARCv2 are not binary compatible most of
assembly instructions are used in both. With this change we'll get rid
of duplicate code.

Still IVTs are implemented differently so we're keeping them in separate
files.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
 2015-04-03 09:47:49 +03:00