Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[sfrench/cifs-2.6.git] / arch / mips / include / asm / mipsregs.h

diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 9316324d070d7529b8bc4961832b9b1b5531c82e..526f327475cea59bf93f0db86505fdd2ef4f86c3 100644 (file)
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1000,6 +1000,26 @@ do {                                                                     \
 #define read_c0_ebase()                __read_32bit_c0_register($15, 1)
 #define write_c0_ebase(val)    __write_32bit_c0_register($15, 1, val)
 
+
+/* Cavium OCTEON (cnMIPS) */
+#define read_c0_cvmcount()     __read_ulong_c0_register($9, 6)
+#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val)
+
+#define read_c0_cvmctl()       __read_64bit_c0_register($9, 7)
+#define write_c0_cvmctl(val)   __write_64bit_c0_register($9, 7, val)
+
+#define read_c0_cvmmemctl()    __read_64bit_c0_register($11, 7)
+#define write_c0_cvmmemctl(val)        __write_64bit_c0_register($11, 7, val)
+/*
+ * The cacheerr registers are not standardized.  On OCTEON, they are
+ * 64 bits wide.
+ */
+#define read_octeon_c0_icacheerr()     __read_64bit_c0_register($27, 0)
+#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val)
+
+#define read_octeon_c0_dcacheerr()     __read_64bit_c0_register($27, 1)
+#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val)
+
 /*
  * Macros to access the floating point coprocessor control registers
  */
@@ -1008,6 +1028,8 @@ do {                                                                      \
        __asm__ __volatile__(                                   \
        ".set\tpush\n\t"                                        \
        ".set\treorder\n\t"                                     \
+       /* gas fails to assemble cfc1 for some archs (octeon).*/ \
+       ".set\tmips1\n\t"                                       \
         "cfc1\t%0,"STR(source)"\n\t"                            \
        ".set\tpop"                                             \
         : "=r" (__res));                                        \
@@ -1369,11 +1391,11 @@ static inline void tlb_write_random(void)
 static inline unsigned int                                     \
 set_c0_##name(unsigned int set)                                        \
 {                                                              \
-       unsigned int res;                                       \
+       unsigned int res, new;                                  \
                                                                \
        res = read_c0_##name();                                 \
-       res |= set;                                             \
-       write_c0_##name(res);                                   \
+       new = res | set;                                        \
+       write_c0_##name(new);                                   \
                                                                \
        return res;                                             \
 }                                                              \
@@ -1381,24 +1403,24 @@ set_c0_##name(unsigned int set)                                 \
 static inline unsigned int                                     \
 clear_c0_##name(unsigned int clear)                            \
 {                                                              \
-       unsigned int res;                                       \
+       unsigned int res, new;                                  \
                                                                \
        res = read_c0_##name();                                 \
-       res &= ~clear;                                          \
-       write_c0_##name(res);                                   \
+       new = res & ~clear;                                     \
+       write_c0_##name(new);                                   \
                                                                \
        return res;                                             \
 }                                                              \
                                                                \
 static inline unsigned int                                     \
-change_c0_##name(unsigned int change, unsigned int new)                \
+change_c0_##name(unsigned int change, unsigned int val)                \
 {                                                              \
-       unsigned int res;                                       \
+       unsigned int res, new;                                  \
                                                                \
        res = read_c0_##name();                                 \
-       res &= ~change;                                         \
-       res |= (new & change);                                  \
-       write_c0_##name(res);                                   \
+       new = res & ~change;                                    \
+       new |= (val & change);                                  \
+       write_c0_##name(new);                                   \
                                                                \
        return res;                                             \
 }