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target-mips: add PC, XNP reg numbers to RDHWR

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Add Performance Counter (4) and XNP (5) register numbers to RDHWR.
Add check_hwrena() to simplify access control checkings.
Add RDHWR support to microMIPS R6.

Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
This commit is contained in:
Yongbok Kim 2015-10-29 15:18:39 +00:00 • committed by Leon Alrae
parent ca2f6bbbce
commit b00c72180c
4 changed files with 63 additions and 32 deletions
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target-mips/cpu.h
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@ -469,6 +469,7 @@ struct CPUMIPSState {
#define CP0C5_CV 29
#define CP0C5_EVA 28
#define CP0C5_MSAEn 27
#define CP0C5_XNP 13
#define CP0C5_UFE 9
#define CP0C5_FRE 8
#define CP0C5_SBRI 6