linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / include / asm-mips / mipsregs.h
index 7119877..035ba0a 100644 (file)
@@ -8,7 +8,7 @@
  * Modified for further R[236]000 support by Paul M. Antoine, 1996.
  * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
  * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
- * Copyright (C) 2003  Maciej W. Rozycki
+ * Copyright (C) 2003, 2004  Maciej W. Rozycki
  */
 #ifndef _ASM_MIPSREGS_H
 #define _ASM_MIPSREGS_H
 #define CP0_S1_DERRADDR1  $27
 #define CP0_S1_INTCONTROL $20
 
+/*
+ * Coprocessor 0 Set 2 register names
+ */
+#define CP0_S2_SRSCTL    $12   /* MIPSR2 */
+
+/*
+ * Coprocessor 0 Set 3 register names
+ */
+#define CP0_S3_SRSMAP    $12   /* MIPSR2 */
+
 /*
  *  TX39 Series
  */
 #define ST0_DE                 0x00010000
 #define ST0_CE                 0x00020000
 
+/*
+ * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
+ * cacheops in userspace.  This bit exists only on RM7000 and RM9000
+ * processors.
+ */
+#define ST0_CO                 0x08000000
+
 /*
  * Bitfields in the R[23]000 cp0 status register.
  */
 #define ST0_IL                 (_ULCAST_(1) << 23)
 #define ST0_DL                 (_ULCAST_(1) << 24)
 
+/*
+ * Enable the MIPS DSP ASE
+ */
+#define ST0_MX                 0x01000000
+
 /*
  * Bitfields in the TX39 family CP0 Configuration Register 3
  */
 #define R5K_CONF_SE            (_ULCAST_(1) << 12)
 #define R5K_CONF_SS            (_ULCAST_(3) << 20)
 
+/* Bits specific to the RM7000.  */
+#define RM7K_CONF_SE           (_ULCAST_(1) <<  3)
+#define RM7K_CONF_TE           (_ULCAST_(1) << 12)
+#define RM7K_CONF_CLK          (_ULCAST_(1) << 16)
+#define RM7K_CONF_TC           (_ULCAST_(1) << 17)
+#define RM7K_CONF_SI           (_ULCAST_(3) << 20)
+#define RM7K_CONF_SC           (_ULCAST_(1) << 31)
+
 /* Bits specific to the R10000.  */
 #define R10K_CONF_DN           (_ULCAST_(3) <<  3)
 #define R10K_CONF_CT           (_ULCAST_(1) <<  5)
 #define MIPS_CONF_AT           (_ULCAST_(3) << 13)
 #define MIPS_CONF_M            (_ULCAST_(1) << 31)
 
+/*
+ * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
+ */
+#define MIPS_CONF1_FP          (_ULCAST_(1) <<  0)
+#define MIPS_CONF1_EP          (_ULCAST_(1) <<  1)
+#define MIPS_CONF1_CA          (_ULCAST_(1) <<  2)
+#define MIPS_CONF1_WR          (_ULCAST_(1) <<  3)
+#define MIPS_CONF1_PC          (_ULCAST_(1) <<  4)
+#define MIPS_CONF1_MD          (_ULCAST_(1) <<  5)
+#define MIPS_CONF1_C2          (_ULCAST_(1) <<  6)
+#define MIPS_CONF1_DA          (_ULCAST_(7) <<  7)
+#define MIPS_CONF1_DL          (_ULCAST_(7) << 10)
+#define MIPS_CONF1_DS          (_ULCAST_(7) << 13)
+#define MIPS_CONF1_IA          (_ULCAST_(7) << 16)
+#define MIPS_CONF1_IL          (_ULCAST_(7) << 19)
+#define MIPS_CONF1_IS          (_ULCAST_(7) << 22)
+#define MIPS_CONF1_TLBS                (_ULCAST_(63)<< 25)
+
+#define MIPS_CONF2_SA          (_ULCAST_(15)<<  0)
+#define MIPS_CONF2_SL          (_ULCAST_(15)<<  4)
+#define MIPS_CONF2_SS          (_ULCAST_(15)<<  8)
+#define MIPS_CONF2_SU          (_ULCAST_(15)<< 12)
+#define MIPS_CONF2_TA          (_ULCAST_(15)<< 16)
+#define MIPS_CONF2_TL          (_ULCAST_(15)<< 20)
+#define MIPS_CONF2_TS          (_ULCAST_(15)<< 24)
+#define MIPS_CONF2_TU          (_ULCAST_(7) << 28)
+
+#define MIPS_CONF3_TL          (_ULCAST_(1) <<  0)
+#define MIPS_CONF3_SM          (_ULCAST_(1) <<  1)
+#define MIPS_CONF3_MT          (_ULCAST_(1) <<  2)
+#define MIPS_CONF3_SP          (_ULCAST_(1) <<  4)
+#define MIPS_CONF3_VINT                (_ULCAST_(1) <<  5)
+#define MIPS_CONF3_VEIC                (_ULCAST_(1) <<  6)
+#define MIPS_CONF3_LPA         (_ULCAST_(1) <<  7)
+#define MIPS_CONF3_DSP         (_ULCAST_(1) << 10)
+
+/*
+ * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
+ */
+#define MIPS_FPIR_S            (_ULCAST_(1) << 16)
+#define MIPS_FPIR_D            (_ULCAST_(1) << 17)
+#define MIPS_FPIR_PS           (_ULCAST_(1) << 18)
+#define MIPS_FPIR_3D           (_ULCAST_(1) << 19)
+#define MIPS_FPIR_W            (_ULCAST_(1) << 20)
+#define MIPS_FPIR_L            (_ULCAST_(1) << 21)
+#define MIPS_FPIR_F64          (_ULCAST_(1) << 22)
+
 /*
  * R10000 performance counter definitions.
  *
 #ifndef __ASSEMBLY__
 
 /*
- * Functions to access the r10k performance counter and control registers
+ * Functions to access the R10000 performance counters.  These are basically
+ * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
+ * performance counter number encoded into bits 1 ... 5 of the instruction.
+ * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
+ * disassembler these will look like an access to sel 0 or 1.
  */
-#define read_r10k_perf_cntr(counter)                            \
-({ unsigned int __res;                                          \
-        __asm__ __volatile__(                                   \
-        "mfpc\t%0, "STR(counter)                                \
-        : "=r" (__res));                                        \
-        __res;})
+#define read_r10k_perf_cntr(counter)                           \
+({                                                             \
+       unsigned int __res;                                     \
+       __asm__ __volatile__(                                   \
+       "mfpc\t%0, %1"                                          \
+        : "=r" (__res)                                         \
+       : "i" (counter));                                       \
+                                                               \
+        __res;                                                 \
+})
 
 #define write_r10k_perf_cntr(counter,val)                       \
-        __asm__ __volatile__(                                   \
-        "mtpc\t%0, "STR(counter)                                \
-        : : "r" (val));
-
-#define read_r10k_perf_cntl(counter)                            \
-({ unsigned int __res;                                          \
-        __asm__ __volatile__(                                   \
-        "mfps\t%0, "STR(counter)                                \
-        : "=r" (__res));                                        \
-        __res;})
+do {                                                           \
+       __asm__ __volatile__(                                   \
+       "mtpc\t%0, %1"                                          \
+       :                                                       \
+       : "r" (val), "i" (counter));                            \
+} while (0)
+
+#define read_r10k_perf_event(counter)                          \
+({                                                             \
+       unsigned int __res;                                     \
+       __asm__ __volatile__(                                   \
+       "mfps\t%0, %1"                                          \
+        : "=r" (__res)                                         \
+       : "i" (counter));                                       \
+                                                               \
+        __res;                                                 \
+})
 
 #define write_r10k_perf_cntl(counter,val)                       \
-        __asm__ __volatile__(                                   \
-        "mtps\t%0, "STR(counter)                                \
-        : : "r" (val));
+do {                                                           \
+       __asm__ __volatile__(                                   \
+       "mtps\t%0, %1"                                          \
+       :                                                       \
+       : "r" (val), "i" (counter));                            \
+} while (0)
+
 
 /*
  * Macros to access the system control coprocessor
 })
 
 #define __read_64bit_c0_register(source, sel)                          \
-({ unsigned long __res;                                                        \
-       if (sel == 0)                                                   \
+({ unsigned long long __res;                                           \
+       if (sizeof(unsigned long) == 4)                                 \
+               __res = __read_64bit_c0_split(source, sel);             \
+       else if (sel == 0)                                              \
                __asm__ __volatile__(                                   \
                        ".set\tmips3\n\t"                               \
                        "dmfc0\t%0, " #source "\n\t"                    \
@@ -593,18 +691,20 @@ do {                                                                      \
        if (sel == 0)                                                   \
                __asm__ __volatile__(                                   \
                        "mtc0\t%z0, " #register "\n\t"                  \
-                       : : "Jr" ((unsigned int)value));                \
+                       : : "Jr" ((unsigned int)(value)));              \
        else                                                            \
                __asm__ __volatile__(                                   \
                        ".set\tmips32\n\t"                              \
                        "mtc0\t%z0, " #register ", " #sel "\n\t"        \
                        ".set\tmips0"                                   \
-                       : : "Jr" ((unsigned int)value));                \
+                       : : "Jr" ((unsigned int)(value)));              \
 } while (0)
 
 #define __write_64bit_c0_register(register, sel, value)                        \
 do {                                                                   \
-       if (sel == 0)                                                   \
+       if (sizeof(unsigned long) == 4)                                 \
+               __write_64bit_c0_split(register, sel, value);           \
+       else if (sel == 0)                                              \
                __asm__ __volatile__(                                   \
                        ".set\tmips3\n\t"                               \
                        "dmtc0\t%z0, " #register "\n\t"                 \
@@ -620,8 +720,8 @@ do {                                                                        \
 
 #define __read_ulong_c0_register(reg, sel)                             \
        ((sizeof(unsigned long) == 4) ?                                 \
-       __read_32bit_c0_register(reg, sel) :                            \
-       __read_64bit_c0_register(reg, sel))
+       (unsigned long) __read_32bit_c0_register(reg, sel) :            \
+       (unsigned long) __read_64bit_c0_register(reg, sel))
 
 #define __write_ulong_c0_register(reg, sel, val)                       \
 do {                                                                   \
@@ -646,7 +746,7 @@ do {                                                                        \
 do {                                                                   \
        __asm__ __volatile__(                                           \
                "ctc0\t%z0, " #register "\n\t"                          \
-               : : "Jr" ((unsigned int)value));                        \
+               : : "Jr" ((unsigned int)(value)));                      \
 } while (0)
 
 /*
@@ -739,12 +839,24 @@ do {                                                                      \
 #define read_c0_count()                __read_32bit_c0_register($9, 0)
 #define write_c0_count(val)    __write_32bit_c0_register($9, 0, val)
 
+#define read_c0_count2()       __read_32bit_c0_register($9, 6) /* pnx8550 */
+#define write_c0_count2(val)   __write_32bit_c0_register($9, 6, val)
+
+#define read_c0_count3()       __read_32bit_c0_register($9, 7) /* pnx8550 */
+#define write_c0_count3(val)   __write_32bit_c0_register($9, 7, val)
+
 #define read_c0_entryhi()      __read_ulong_c0_register($10, 0)
 #define write_c0_entryhi(val)  __write_ulong_c0_register($10, 0, val)
 
 #define read_c0_compare()      __read_32bit_c0_register($11, 0)
 #define write_c0_compare(val)  __write_32bit_c0_register($11, 0, val)
 
+#define read_c0_compare2()     __read_32bit_c0_register($11, 6) /* pnx8550 */
+#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
+
+#define read_c0_compare3()     __read_32bit_c0_register($11, 7) /* pnx8550 */
+#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
+
 #define read_c0_status()       __read_32bit_c0_register($12, 0)
 #define write_c0_status(val)   __write_32bit_c0_register($12, 0, val)
 
@@ -760,10 +872,18 @@ do {                                                                      \
 #define read_c0_config1()      __read_32bit_c0_register($16, 1)
 #define read_c0_config2()      __read_32bit_c0_register($16, 2)
 #define read_c0_config3()      __read_32bit_c0_register($16, 3)
+#define read_c0_config4()      __read_32bit_c0_register($16, 4)
+#define read_c0_config5()      __read_32bit_c0_register($16, 5)
+#define read_c0_config6()      __read_32bit_c0_register($16, 6)
+#define read_c0_config7()      __read_32bit_c0_register($16, 7)
 #define write_c0_config(val)   __write_32bit_c0_register($16, 0, val)
 #define write_c0_config1(val)  __write_32bit_c0_register($16, 1, val)
 #define write_c0_config2(val)  __write_32bit_c0_register($16, 2, val)
 #define write_c0_config3(val)  __write_32bit_c0_register($16, 3, val)
+#define write_c0_config4(val)  __write_32bit_c0_register($16, 4, val)
+#define write_c0_config5(val)  __write_32bit_c0_register($16, 5, val)
+#define write_c0_config6(val)  __write_32bit_c0_register($16, 6, val)
+#define write_c0_config7(val)  __write_32bit_c0_register($16, 7, val)
 
 /*
  * The WatchLo register.  There may be upto 8 of them.
@@ -815,6 +935,10 @@ do {                                                                       \
 #define read_c0_framemask()    __read_32bit_c0_register($21, 0)
 #define write_c0_framemask(val)        __write_32bit_c0_register($21, 0, val)
 
+/* RM9000 PerfControl performance counter control register */
+#define read_c0_perfcontrol()  __read_32bit_c0_register($22, 0)
+#define write_c0_perfcontrol(val) __write_32bit_c0_register($22, 0, val)
+
 #define read_c0_diag()         __read_32bit_c0_register($22, 0)
 #define write_c0_diag(val)     __write_32bit_c0_register($22, 0, val)
 
@@ -839,6 +963,30 @@ do {                                                                       \
 #define read_c0_depc()         __read_ulong_c0_register($24, 0)
 #define write_c0_depc(val)     __write_ulong_c0_register($24, 0, val)
 
+/*
+ * MIPS32 / MIPS64 performance counters
+ */
+#define read_c0_perfctrl0()    __read_32bit_c0_register($25, 0)
+#define write_c0_perfctrl0(val)        __write_32bit_c0_register($25, 0, val)
+#define read_c0_perfcntr0()    __read_32bit_c0_register($25, 1)
+#define write_c0_perfcntr0(val)        __write_32bit_c0_register($25, 1, val)
+#define read_c0_perfctrl1()    __read_32bit_c0_register($25, 2)
+#define write_c0_perfctrl1(val)        __write_32bit_c0_register($25, 2, val)
+#define read_c0_perfcntr1()    __read_32bit_c0_register($25, 3)
+#define write_c0_perfcntr1(val)        __write_32bit_c0_register($25, 3, val)
+#define read_c0_perfctrl2()    __read_32bit_c0_register($25, 4)
+#define write_c0_perfctrl2(val)        __write_32bit_c0_register($25, 4, val)
+#define read_c0_perfcntr2()    __read_32bit_c0_register($25, 5)
+#define write_c0_perfcntr2(val)        __write_32bit_c0_register($25, 5, val)
+#define read_c0_perfctrl3()    __read_32bit_c0_register($25, 6)
+#define write_c0_perfctrl3(val)        __write_32bit_c0_register($25, 6, val)
+#define read_c0_perfcntr3()    __read_32bit_c0_register($25, 7)
+#define write_c0_perfcntr3(val)        __write_32bit_c0_register($25, 7, val)
+
+/* RM9000 PerfCount performance counter register */
+#define read_c0_perfcount()    __read_64bit_c0_register($25, 0)
+#define write_c0_perfcount(val)        __write_64bit_c0_register($25, 0, val)
+
 #define read_c0_ecc()          __read_32bit_c0_register($26, 0)
 #define write_c0_ecc(val)      __write_32bit_c0_register($26, 0, val)
 
@@ -859,6 +1007,22 @@ do {                                                                      \
 #define read_c0_errorepc()     __read_ulong_c0_register($30, 0)
 #define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val)
 
+/* MIPSR2 */
+#define read_c0_hwrena()       __read_32bit_c0_register($7,0)
+#define write_c0_hwrena(val)   __write_32bit_c0_register($7, 0, val)
+
+#define read_c0_intctl()       __read_32bit_c0_register($12, 1)
+#define write_c0_intctl(val)   __write_32bit_c0_register($12, 1, val)
+
+#define read_c0_srsctl()       __read_32bit_c0_register($12, 2)
+#define write_c0_srsctl(val)   __write_32bit_c0_register($12, 2, val)
+
+#define read_c0_srsmap()       __read_32bit_c0_register($12, 3)
+#define write_c0_srsmap(val)   __write_32bit_c0_register($12, 3, val)
+
+#define read_c0_ebase()                __read_32bit_c0_register($15,1)
+#define write_c0_ebase(val)    __write_32bit_c0_register($15, 1, val)
+
 /*
  * Macros to access the floating point coprocessor control registers
  */
@@ -872,6 +1036,284 @@ do {                                                                     \
         : "=r" (__res));                                        \
         __res;})
 
+#define rddsp(mask)                                                    \
+({                                                                     \
+       unsigned int __res;                                             \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                            \n"             \
+       "       .set    noat                            \n"             \
+       "       # rddsp $1, %x1                         \n"             \
+       "       .word   0x7c000cb8 | (%x1 << 16)        \n"             \
+       "       move    %0, $1                          \n"             \
+       "       .set    pop                             \n"             \
+       : "=r" (__res)                                                  \
+       : "i" (mask));                                                  \
+       __res;                                                          \
+})
+
+#define wrdsp(val, mask)                                               \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # wrdsp $1, %x1                                 \n"     \
+       "       .word   0x7c2004f8 | (%x1 << 11)                \n"     \
+       "       .set    pop                                     \n"     \
+        :                                                              \
+       : "r" (val), "i" (mask));                                       \
+} while (0)
+
+#if 0  /* Need DSP ASE capable assembler ... */
+#define mflo0() ({ long mflo0; __asm__("mflo %0, $ac0" : "=r" (mflo0)); mflo0;})
+#define mflo1() ({ long mflo1; __asm__("mflo %0, $ac1" : "=r" (mflo1)); mflo1;})
+#define mflo2() ({ long mflo2; __asm__("mflo %0, $ac2" : "=r" (mflo2)); mflo2;})
+#define mflo3() ({ long mflo3; __asm__("mflo %0, $ac3" : "=r" (mflo3)); mflo3;})
+
+#define mfhi0() ({ long mfhi0; __asm__("mfhi %0, $ac0" : "=r" (mfhi0)); mfhi0;})
+#define mfhi1() ({ long mfhi1; __asm__("mfhi %0, $ac1" : "=r" (mfhi1)); mfhi1;})
+#define mfhi2() ({ long mfhi2; __asm__("mfhi %0, $ac2" : "=r" (mfhi2)); mfhi2;})
+#define mfhi3() ({ long mfhi3; __asm__("mfhi %0, $ac3" : "=r" (mfhi3)); mfhi3;})
+
+#define mtlo0(x) __asm__("mtlo %0, $ac0" ::"r" (x))
+#define mtlo1(x) __asm__("mtlo %0, $ac1" ::"r" (x))
+#define mtlo2(x) __asm__("mtlo %0, $ac2" ::"r" (x))
+#define mtlo3(x) __asm__("mtlo %0, $ac3" ::"r" (x))
+
+#define mthi0(x) __asm__("mthi %0, $ac0" ::"r" (x))
+#define mthi1(x) __asm__("mthi %0, $ac1" ::"r" (x))
+#define mthi2(x) __asm__("mthi %0, $ac2" ::"r" (x))
+#define mthi3(x) __asm__("mthi %0, $ac3" ::"r" (x))
+
+#else
+
+#define mfhi0()                                                                \
+({                                                                     \
+       unsigned long __treg;                                           \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                    \n"                     \
+       "       .set    noat                    \n"                     \
+       "       # mfhi  %0, $ac0                \n"                     \
+       "       .word   0x00000810              \n"                     \
+       "       move    %0, $1                  \n"                     \
+       "       .set    pop                     \n"                     \
+       : "=r" (__treg));                                               \
+       __treg;                                                         \
+})
+
+#define mfhi1()                                                                \
+({                                                                     \
+       unsigned long __treg;                                           \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                    \n"                     \
+       "       .set    noat                    \n"                     \
+       "       # mfhi  %0, $ac1                \n"                     \
+       "       .word   0x00200810              \n"                     \
+       "       move    %0, $1                  \n"                     \
+       "       .set    pop                     \n"                     \
+       : "=r" (__treg));                                               \
+       __treg;                                                         \
+})
+
+#define mfhi2()                                                                \
+({                                                                     \
+       unsigned long __treg;                                           \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                    \n"                     \
+       "       .set    noat                    \n"                     \
+       "       # mfhi  %0, $ac2                \n"                     \
+       "       .word   0x00400810              \n"                     \
+       "       move    %0, $1                  \n"                     \
+       "       .set    pop                     \n"                     \
+       : "=r" (__treg));                                               \
+       __treg;                                                         \
+})
+
+#define mfhi3()                                                                \
+({                                                                     \
+       unsigned long __treg;                                           \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                    \n"                     \
+       "       .set    noat                    \n"                     \
+       "       # mfhi  %0, $ac3                \n"                     \
+       "       .word   0x00600810              \n"                     \
+       "       move    %0, $1                  \n"                     \
+       "       .set    pop                     \n"                     \
+       : "=r" (__treg));                                               \
+       __treg;                                                         \
+})
+
+#define mflo0()                                                                \
+({                                                                     \
+       unsigned long __treg;                                           \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                    \n"                     \
+       "       .set    noat                    \n"                     \
+       "       # mflo  %0, $ac0                \n"                     \
+       "       .word   0x00000812              \n"                     \
+       "       move    %0, $1                  \n"                     \
+       "       .set    pop                     \n"                     \
+       : "=r" (__treg));                                               \
+       __treg;                                                         \
+})
+
+#define mflo1()                                                                \
+({                                                                     \
+       unsigned long __treg;                                           \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                    \n"                     \
+       "       .set    noat                    \n"                     \
+       "       # mflo  %0, $ac1                \n"                     \
+       "       .word   0x00200812              \n"                     \
+       "       move    %0, $1                  \n"                     \
+       "       .set    pop                     \n"                     \
+       : "=r" (__treg));                                               \
+       __treg;                                                         \
+})
+
+#define mflo2()                                                                \
+({                                                                     \
+       unsigned long __treg;                                           \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                    \n"                     \
+       "       .set    noat                    \n"                     \
+       "       # mflo  %0, $ac2                \n"                     \
+       "       .word   0x00400812              \n"                     \
+       "       move    %0, $1                  \n"                     \
+       "       .set    pop                     \n"                     \
+       : "=r" (__treg));                                               \
+       __treg;                                                         \
+})
+
+#define mflo3()                                                                \
+({                                                                     \
+       unsigned long __treg;                                           \
+                                                                       \
+       __asm__ __volatile__(                                           \
+       "       .set    push                    \n"                     \
+       "       .set    noat                    \n"                     \
+       "       # mflo  %0, $ac3                \n"                     \
+       "       .word   0x00600812              \n"                     \
+       "       move    %0, $1                  \n"                     \
+       "       .set    pop                     \n"                     \
+       : "=r" (__treg));                                               \
+       __treg;                                                         \
+})
+
+#define mthi0(x)                                                       \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # mthi  $1, $ac0                                \n"     \
+       "       .word   0x00200011                              \n"     \
+       "       .set    pop                                     \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+} while (0)
+
+#define mthi1(x)                                                       \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # mthi  $1, $ac1                                \n"     \
+       "       .word   0x00200811                              \n"     \
+       "       .set    pop                                     \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+} while (0)
+
+#define mthi2(x)                                                       \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # mthi  $1, $ac2                                \n"     \
+       "       .word   0x00201011                              \n"     \
+       "       .set    pop                                     \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+} while (0)
+
+#define mthi3(x)                                                       \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # mthi  $1, $ac3                                \n"     \
+       "       .word   0x00201811                              \n"     \
+       "       .set    pop                                     \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+} while (0)
+
+#define mtlo0(x)                                                       \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # mtlo  $1, $ac0                                \n"     \
+       "       .word   0x00200013                              \n"     \
+       "       .set    pop                                     \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+} while (0)
+
+#define mtlo1(x)                                                       \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # mtlo  $1, $ac1                                \n"     \
+       "       .word   0x00200813                              \n"     \
+       "       .set    pop                                     \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+} while (0)
+
+#define mtlo2(x)                                                       \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # mtlo  $1, $ac2                                \n"     \
+       "       .word   0x00201013                              \n"     \
+       "       .set    pop                                     \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+} while (0)
+
+#define mtlo3(x)                                                       \
+do {                                                                   \
+       __asm__ __volatile__(                                           \
+       "       .set    push                                    \n"     \
+       "       .set    noat                                    \n"     \
+       "       move    $1, %0                                  \n"     \
+       "       # mtlo  $1, $ac3                                \n"     \
+       "       .word   0x00201813                              \n"     \
+       "       .set    pop                                     \n"     \
+       :                                                               \
+       : "r" (x));                                                     \
+} while (0)
+
+#endif
+
 /*
  * TLB operations.
  *
@@ -954,6 +1396,8 @@ __BUILD_SET_C0(status)
 __BUILD_SET_C0(cause)
 __BUILD_SET_C0(config)
 __BUILD_SET_C0(intcontrol)
+__BUILD_SET_C0(intctl)
+__BUILD_SET_C0(srsmap)
 
 #endif /* !__ASSEMBLY__ */