MIPS: define bits introduced for hybrid FPRs

Add definitions for the FRE & UFE bits in Config5, and the FREP bit in
FPIR. These bits are used to support a hybrid FPR scheme allowing a
mixture of FP32 & FP64 code to execute within a task.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/7674/
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 b46cd220a018d72deb84c6b8d5ea5f75d9e22a79..7ebb6544392ebe1c01f814e20e88382e7b06f315 100644 (file)
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -653,6 +653,8 @@
 #define MIPS_CONF5_NF          (_ULCAST_(1) << 0)
 #define MIPS_CONF5_UFR         (_ULCAST_(1) << 2)
 #define MIPS_CONF5_MRP         (_ULCAST_(1) << 3)
+#define MIPS_CONF5_FRE         (_ULCAST_(1) << 8)
+#define MIPS_CONF5_UFE         (_ULCAST_(1) << 9)
 #define MIPS_CONF5_MSAEN       (_ULCAST_(1) << 27)
 #define MIPS_CONF5_EVA         (_ULCAST_(1) << 28)
 #define MIPS_CONF5_CV          (_ULCAST_(1) << 29)
@@ -692,6 +694,7 @@
 #define MIPS_FPIR_W            (_ULCAST_(1) << 20)
 #define MIPS_FPIR_L            (_ULCAST_(1) << 21)
 #define MIPS_FPIR_F64          (_ULCAST_(1) << 22)
+#define MIPS_FPIR_FREP         (_ULCAST_(1) << 29)
 
 /*
  * Bits in the MIPS32 Memory Segmentation registers.