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authorMaciej W. Rozycki <macro@codesourcery.com>2014-11-07 20:05:35 +0000
committerLeon Alrae <leon.alrae@imgtec.com>2014-12-16 12:45:19 +0000
commitc3577479815f5bcf9d38993967bca2115af245d8 (patch)
tree0aac6c1eae93ffde21d7a83d4db52cf4e727905e /bt-vhci.c
parent8fc605b8aa257feb3e69d44794a765bd492b573b (diff)
target-mips: Correct MIPS16/microMIPS branch size calculation
Correct MIPS16/microMIPS branch size calculation in PC adjustment needed: - to set the value of CP0.ErrorEPC at the entry to the reset exception, - for the purpose of branch reexecution in the context of device I/O. Follow the approach taken in `exception_resume_pc' for ordinary, Debug and NMI exceptions. MIPS16 and microMIPS branches can be 2 or 4 bytes in size and that has to be reflected in calculation. Original MIPS ISA branches, which is where this code originates from, are always 4 bytes long, just as all original MIPS ISA instructions. Signed-off-by: Nathan Froyd <froydnj@codesourcery.com> Signed-off-by: Maciej W. Rozycki <macro@codesourcery.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Diffstat (limited to 'bt-vhci.c')
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