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-rw-r--r--arch/mips/include/asm/cpu-features.h4
-rw-r--r--arch/mips/include/asm/cpu.h1
-rw-r--r--arch/mips/include/asm/mipsregs.h3
3 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index bff73c5..676a37b 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -438,4 +438,8 @@
#define cpu_has_nan_2008 (cpu_data[0].options & MIPS_CPU_NAN_2008)
#endif
+#ifndef cpu_has_ebase_wg
+# define cpu_has_ebase_wg (cpu_data[0].options & MIPS_CPU_EBASE_WG)
+#endif
+
#endif /* __ASM_CPU_FEATURES_H */
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index f6cecc5..3108d9b 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -404,6 +404,7 @@ enum cpu_type_enum {
#define MIPS_CPU_VP MBIT_ULL(40) /* MIPSr6 Virtual Processors (multi-threading) */
#define MIPS_CPU_LDPTE MBIT_ULL(41) /* CPU has ldpte/lddir instructions */
#define MIPS_CPU_MVH MBIT_ULL(42) /* CPU supports MFHC0/MTHC0 */
+#define MIPS_CPU_EBASE_WG MBIT_ULL(43) /* CPU has EBase.WG */
/*
* CPU ASE encodings
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 57d72f2..4e8ad9d 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1458,6 +1458,9 @@ do { \
#define read_c0_ebase() __read_32bit_c0_register($15, 1)
#define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val)
+#define read_c0_ebase_64() __read_64bit_c0_register($15, 1)
+#define write_c0_ebase_64(val) __write_64bit_c0_register($15, 1, val)
+
#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2)
#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val)