X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-mips%2Fmipsregs.h;h=5af7517fce8a8a83cd426013633e59221a88b6ef;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=2197aa4ce4560a85661307722584f9aa9c3d0174;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/include/asm-mips/mipsregs.h b/include/asm-mips/mipsregs.h index 2197aa4ce..5af7517fc 100644 --- a/include/asm-mips/mipsregs.h +++ b/include/asm-mips/mipsregs.h @@ -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 @@ -95,6 +95,16 @@ #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 */ @@ -280,6 +290,11 @@ #define ST0_IL (_ULCAST_(1) << 23) #define ST0_DL (_ULCAST_(1) << 24) +/* + * Enable the MIPS MDMX and DSP ASEs + */ +#define ST0_MX 0x01000000 + /* * Bitfields in the TX39 family CP0 Configuration Register 3 */ @@ -433,6 +448,14 @@ #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) @@ -474,6 +497,53 @@ #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. * @@ -621,13 +691,13 @@ 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) \ @@ -676,7 +746,7 @@ do { \ do { \ __asm__ __volatile__( \ "ctc0\t%z0, " #register "\n\t" \ - : : "Jr" ((unsigned int)value)); \ + : : "Jr" ((unsigned int)(value))); \ } while (0) /* @@ -766,17 +836,44 @@ do { \ #define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */ #define write_c0_cache(val) __write_32bit_c0_register($7, 0, val) +#define read_c0_badvaddr() __read_ulong_c0_register($8, 0) +#define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val) + #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) +#ifdef CONFIG_MIPS_MT_SMTC +#define write_c0_status(val) \ +do { \ + __write_32bit_c0_register($12, 0, val); \ + __ehb(); \ +} while (0) +#else +/* + * Legacy non-SMTC code, which may be hazardous + * but which might not support EHB + */ #define write_c0_status(val) __write_32bit_c0_register($12, 0, val) +#endif /* CONFIG_MIPS_MT_SMTC */ #define read_c0_cause() __read_32bit_c0_register($13, 0) #define write_c0_cause(val) __write_32bit_c0_register($13, 0, val) @@ -790,10 +887,18 @@ 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. @@ -911,12 +1016,31 @@ do { \ #define read_c0_taglo() __read_32bit_c0_register($28, 0) #define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val) +#define read_c0_dtaglo() __read_32bit_c0_register($28, 2) +#define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val) + #define read_c0_taghi() __read_32bit_c0_register($29, 0) #define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val) #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 */ @@ -930,6 +1054,284 @@ 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. * @@ -970,15 +1372,119 @@ static inline void tlb_write_random(void) /* * Manipulate bits in a c0 register. */ +#ifndef CONFIG_MIPS_MT_SMTC +/* + * SMTC Linux requires shutting-down microthread scheduling + * during CP0 register read-modify-write sequences. + */ +#define __BUILD_SET_C0(name) \ +static inline unsigned int \ +set_c0_##name(unsigned int set) \ +{ \ + unsigned int res; \ + \ + res = read_c0_##name(); \ + res |= set; \ + write_c0_##name(res); \ + \ + return res; \ +} \ + \ +static inline unsigned int \ +clear_c0_##name(unsigned int clear) \ +{ \ + unsigned int res; \ + \ + res = read_c0_##name(); \ + res &= ~clear; \ + write_c0_##name(res); \ + \ + return res; \ +} \ + \ +static inline unsigned int \ +change_c0_##name(unsigned int change, unsigned int new) \ +{ \ + unsigned int res; \ + \ + res = read_c0_##name(); \ + res &= ~change; \ + res |= (new & change); \ + write_c0_##name(res); \ + \ + return res; \ +} + +#else /* SMTC versions that manage MT scheduling */ + +#include + +/* + * This is a duplicate of dmt() in mipsmtregs.h to avoid problems with + * header file recursion. + */ +static inline unsigned int __dmt(void) +{ + int res; + + __asm__ __volatile__( + " .set push \n" + " .set mips32r2 \n" + " .set noat \n" + " .word 0x41610BC1 # dmt $1 \n" + " ehb \n" + " move %0, $1 \n" + " .set pop \n" + : "=r" (res)); + + instruction_hazard(); + + return res; +} + +#define __VPECONTROL_TE_SHIFT 15 +#define __VPECONTROL_TE (1UL << __VPECONTROL_TE_SHIFT) + +#define __EMT_ENABLE __VPECONTROL_TE + +static inline void __emt(unsigned int previous) +{ + if ((previous & __EMT_ENABLE)) + __asm__ __volatile__( + " .set noreorder \n" + " .set mips32r2 \n" + " .word 0x41600be1 # emt \n" + " ehb \n" + " .set mips0 \n" + " .set reorder \n"); +} + +static inline void __ehb(void) +{ + __asm__ __volatile__( + " ehb \n"); +} + +/* + * Note that local_irq_save/restore affect TC-specific IXMT state, + * not Status.IE as in non-SMTC kernel. + */ + #define __BUILD_SET_C0(name) \ static inline unsigned int \ set_c0_##name(unsigned int set) \ { \ unsigned int res; \ + unsigned int omt; \ + unsigned int flags; \ \ + local_irq_save(flags); \ + omt = __dmt(); \ res = read_c0_##name(); \ res |= set; \ write_c0_##name(res); \ + __emt(omt); \ + local_irq_restore(flags); \ \ return res; \ } \ @@ -987,10 +1493,16 @@ static inline unsigned int \ clear_c0_##name(unsigned int clear) \ { \ unsigned int res; \ + unsigned int omt; \ + unsigned int flags; \ \ + local_irq_save(flags); \ + omt = __dmt(); \ res = read_c0_##name(); \ res &= ~clear; \ write_c0_##name(res); \ + __emt(omt); \ + local_irq_restore(flags); \ \ return res; \ } \ @@ -999,19 +1511,29 @@ static inline unsigned int \ change_c0_##name(unsigned int change, unsigned int new) \ { \ unsigned int res; \ + unsigned int omt; \ + unsigned int flags; \ \ + local_irq_save(flags); \ + \ + omt = __dmt(); \ res = read_c0_##name(); \ res &= ~change; \ res |= (new & change); \ write_c0_##name(res); \ + __emt(omt); \ + local_irq_restore(flags); \ \ return res; \ } +#endif __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__ */