MIPS: mipsregs.h: Add EntryLo bit definitions

Add definitions for EntryLo register bits in mipsregs.h. The R4000
compatible ones are prefixed MIPS_ENTRYLO_ and the R3000 compatible ones
are prefixed R3K_ENTRYLO_.

These will be used in later patches.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/10073/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 764e2756b54dacdf0c8aa4eac5600be3d8b30686..3b5a145af6593c16096a4d17c68d199a6d895e44 100644 (file)
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -589,6 +589,28 @@
 /*  EntryHI bit definition */
 #define MIPS_ENTRYHI_EHINV     (_ULCAST_(1) << 10)
 
+/* R3000 EntryLo bit definitions */
+#define R3K_ENTRYLO_G          (_ULCAST_(1) << 8)
+#define R3K_ENTRYLO_V          (_ULCAST_(1) << 9)
+#define R3K_ENTRYLO_D          (_ULCAST_(1) << 10)
+#define R3K_ENTRYLO_N          (_ULCAST_(1) << 11)
+
+/* R4000 compatible EntryLo bit definitions */
+#define MIPS_ENTRYLO_G         (_ULCAST_(1) << 0)
+#define MIPS_ENTRYLO_V         (_ULCAST_(1) << 1)
+#define MIPS_ENTRYLO_D         (_ULCAST_(1) << 2)
+#define MIPS_ENTRYLO_C_SHIFT   3
+#define MIPS_ENTRYLO_C         (_ULCAST_(7) << MIPS_ENTRYLO_C_SHIFT)
+#ifdef CONFIG_64BIT
+/* as read by dmfc0 */
+#define MIPS_ENTRYLO_XI                (_ULCAST_(1) << 62)
+#define MIPS_ENTRYLO_RI                (_ULCAST_(1) << 63)
+#else
+/* as read by mfc0 */
+#define MIPS_ENTRYLO_XI                (_ULCAST_(1) << 30)
+#define MIPS_ENTRYLO_RI                (_ULCAST_(1) << 31)
+#endif
+
 /* CMGCRBase bit definitions */
 #define MIPS_CMGCRB_BASE       11
 #define MIPS_CMGCRF_BASE       (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))