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target/xtensa: implement GPIO32

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GPIO32 is not in the core ISA, but it was widely used in Diamond Cores.
This implementation doesn't do actual I/O and doesn't handle the case of
GPIO32 state being a part of coprocessor.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2017-02-17 16:21:36 -08:00
parent d1e9b0068a
commit e98727417a
2 changed files with 54 additions and 0 deletions
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target/xtensa/cpu.h
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@ -108,6 +108,7 @@ enum {
};
enum {
EXPSTATE = 230,
THREADPTR = 231,
FCR = 232,
FSR = 233,