microblaze: Simplify entry.S - save/restore r3/r4 - ret_from_trap

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There is possible to save r3/r4 at the beggining of user part
before calling handlers and at the end restore it.

Signed-off-by: Michal Simek <monstr@monstr.eu>

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Michal Simek 2010-01-22 10:24:06 +01:00

parent 79bf3a1376

commit b1d70c62ff

1 changed files with 30 additions and 48 deletions

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arch/microblaze/kernel/entry.S

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