diff options
| author | Matt Redfearn <matt.redfearn@imgtec.com> | 2016-05-18 17:12:35 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-05-28 12:35:04 +0200 |
| commit | 5c33f8b2e54c519c42a30cfb34d9ecb70631bf83 (patch) | |
| tree | 24d85f9b38c38569da2987b544301707acb98d2f | |
| parent | dd317403d057546a29ececb446500fc243d2a704 (diff) | |
MIPS: Add definitions of SegCtl registers and use them
The SegCtl registers are standard for MIPSr3..MIPSr5. Add definitions of
these registers and use them rather than constants
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Joshua Kinard <kumba@gentoo.org>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Chris Packham <judge.packham@gmail.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13290/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/include/asm/mach-malta/kernel-entry-init.h | 6 | ||||
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/arch/mips/include/asm/mach-malta/kernel-entry-init.h b/arch/mips/include/asm/mach-malta/kernel-entry-init.h index 0cf8622db27f..ab03eb3fadac 100644 --- a/arch/mips/include/asm/mach-malta/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-malta/kernel-entry-init.h @@ -56,7 +56,7 @@ (0 << MIPS_SEGCFG_PA_SHIFT) | \ (1 << MIPS_SEGCFG_EU_SHIFT)) << 16) or t0, t2 - mtc0 t0, $5, 2 + mtc0 t0, CP0_SEGCTL0 /* SegCtl1 */ li t0, ((MIPS_SEGCFG_MUSUK << MIPS_SEGCFG_AM_SHIFT) | \ @@ -67,7 +67,7 @@ (0 << MIPS_SEGCFG_PA_SHIFT) | \ (1 << MIPS_SEGCFG_EU_SHIFT)) << 16) ins t0, t1, 16, 3 - mtc0 t0, $5, 3 + mtc0 t0, CP0_SEGCTL1 /* SegCtl2 */ li t0, ((MIPS_SEGCFG_MUSUK << MIPS_SEGCFG_AM_SHIFT) | \ @@ -77,7 +77,7 @@ (4 << MIPS_SEGCFG_PA_SHIFT) | \ (1 << MIPS_SEGCFG_EU_SHIFT)) << 16) or t0, t2 - mtc0 t0, $5, 4 + mtc0 t0, CP0_SEGCTL2 jal mips_ihb mfc0 t0, $16, 5 diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 25d01577d0b5..8471905f9288 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -48,6 +48,9 @@ #define CP0_CONF $3 #define CP0_CONTEXT $4 #define CP0_PAGEMASK $5 +#define CP0_SEGCTL0 $5, 2 +#define CP0_SEGCTL1 $5, 3 +#define CP0_SEGCTL2 $5, 4 #define CP0_WIRED $6 #define CP0_INFO $7 #define CP0_HWRENA $7, 0 |