diff options
Diffstat (limited to 'include/asm-mips/mipsregs.h')
| -rw-r--r-- | include/asm-mips/mipsregs.h | 1433 |
1 files changed, 1125 insertions, 308 deletions
diff --git a/include/asm-mips/mipsregs.h b/include/asm-mips/mipsregs.h index 0586c53..be7e5c6 100644 --- a/include/asm-mips/mipsregs.h +++ b/include/asm-mips/mipsregs.h @@ -7,8 +7,8 @@ * Copyright (C) 2000 Silicon Graphics, Inc. * 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) 2000, 07 MIPS Technologies, Inc. + * Copyright (C) 2003, 2004 Maciej W. Rozycki */ #ifndef _ASM_MIPSREGS_H #define _ASM_MIPSREGS_H @@ -29,6 +29,15 @@ #endif /* + * Configure language + */ +#ifdef __ASSEMBLY__ +#define _ULCAST_ +#else +#define _ULCAST_ (unsigned long) +#endif + +/* * Coprocessor 0 register names */ #define CP0_INDEX $0 @@ -55,12 +64,15 @@ #define CP0_XCONTEXT $20 #define CP0_FRAMEMASK $21 #define CP0_DIAGNOSTIC $22 +#define CP0_DEBUG $23 +#define CP0_DEPC $24 #define CP0_PERFORMANCE $25 #define CP0_ECC $26 #define CP0_CACHEERR $27 #define CP0_TAGLO $28 #define CP0_TAGHI $29 #define CP0_ERROREPC $30 +#define CP0_DESAVE $31 /* * R4640/R4650 cp0 register names. These registers are listed @@ -82,11 +94,27 @@ #define CP0_S1_DERRADDR0 $26 #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 CP0_TX39_CACHE $7 + /* * Coprocessor 1 (FPU) register names */ -#define CP1_REVISION $0 -#define CP1_STATUS $31 +#define CP1_REVISION $0 +#define CP1_STATUS $31 /* * FPU Status Register Values @@ -95,230 +123,113 @@ * Status Register Values */ -#define FPU_CSR_FLUSH 0x01000000 /* flush denormalised results to 0 */ -#define FPU_CSR_COND 0x00800000 /* $fcc0 */ -#define FPU_CSR_COND0 0x00800000 /* $fcc0 */ -#define FPU_CSR_COND1 0x02000000 /* $fcc1 */ -#define FPU_CSR_COND2 0x04000000 /* $fcc2 */ -#define FPU_CSR_COND3 0x08000000 /* $fcc3 */ -#define FPU_CSR_COND4 0x10000000 /* $fcc4 */ -#define FPU_CSR_COND5 0x20000000 /* $fcc5 */ -#define FPU_CSR_COND6 0x40000000 /* $fcc6 */ -#define FPU_CSR_COND7 0x80000000 /* $fcc7 */ +#define FPU_CSR_FLUSH 0x01000000 /* flush denormalised results to 0 */ +#define FPU_CSR_COND 0x00800000 /* $fcc0 */ +#define FPU_CSR_COND0 0x00800000 /* $fcc0 */ +#define FPU_CSR_COND1 0x02000000 /* $fcc1 */ +#define FPU_CSR_COND2 0x04000000 /* $fcc2 */ +#define FPU_CSR_COND3 0x08000000 /* $fcc3 */ +#define FPU_CSR_COND4 0x10000000 /* $fcc4 */ +#define FPU_CSR_COND5 0x20000000 /* $fcc5 */ +#define FPU_CSR_COND6 0x40000000 /* $fcc6 */ +#define FPU_CSR_COND7 0x80000000 /* $fcc7 */ /* * X the exception cause indicator * E the exception enable * S the sticky/flag bit -*/ -#define FPU_CSR_ALL_X 0x0003f000 -#define FPU_CSR_UNI_X 0x00020000 -#define FPU_CSR_INV_X 0x00010000 -#define FPU_CSR_DIV_X 0x00008000 -#define FPU_CSR_OVF_X 0x00004000 -#define FPU_CSR_UDF_X 0x00002000 -#define FPU_CSR_INE_X 0x00001000 - -#define FPU_CSR_ALL_E 0x00000f80 -#define FPU_CSR_INV_E 0x00000800 -#define FPU_CSR_DIV_E 0x00000400 -#define FPU_CSR_OVF_E 0x00000200 -#define FPU_CSR_UDF_E 0x00000100 -#define FPU_CSR_INE_E 0x00000080 - -#define FPU_CSR_ALL_S 0x0000007c -#define FPU_CSR_INV_S 0x00000040 -#define FPU_CSR_DIV_S 0x00000020 -#define FPU_CSR_OVF_S 0x00000010 -#define FPU_CSR_UDF_S 0x00000008 -#define FPU_CSR_INE_S 0x00000004 + */ +#define FPU_CSR_ALL_X 0x0003f000 +#define FPU_CSR_UNI_X 0x00020000 +#define FPU_CSR_INV_X 0x00010000 +#define FPU_CSR_DIV_X 0x00008000 +#define FPU_CSR_OVF_X 0x00004000 +#define FPU_CSR_UDF_X 0x00002000 +#define FPU_CSR_INE_X 0x00001000 -/* rounding mode */ -#define FPU_CSR_RN 0x0 /* nearest */ -#define FPU_CSR_RZ 0x1 /* towards zero */ -#define FPU_CSR_RU 0x2 /* towards +Infinity */ -#define FPU_CSR_RD 0x3 /* towards -Infinity */ +#define FPU_CSR_ALL_E 0x00000f80 +#define FPU_CSR_INV_E 0x00000800 +#define FPU_CSR_DIV_E 0x00000400 +#define FPU_CSR_OVF_E 0x00000200 +#define FPU_CSR_UDF_E 0x00000100 +#define FPU_CSR_INE_E 0x00000080 +#define FPU_CSR_ALL_S 0x0000007c +#define FPU_CSR_INV_S 0x00000040 +#define FPU_CSR_DIV_S 0x00000020 +#define FPU_CSR_OVF_S 0x00000010 +#define FPU_CSR_UDF_S 0x00000008 +#define FPU_CSR_INE_S 0x00000004 + +/* rounding mode */ +#define FPU_CSR_RN 0x0 /* nearest */ +#define FPU_CSR_RZ 0x1 /* towards zero */ +#define FPU_CSR_RU 0x2 /* towards +Infinity */ +#define FPU_CSR_RD 0x3 /* towards -Infinity */ /* * Values for PageMask register */ -#include <linux/config.h> #ifdef CONFIG_CPU_VR41XX -#define PM_1K 0x00000000 -#define PM_4K 0x00001800 -#define PM_16K 0x00007800 -#define PM_64K 0x0001f800 -#define PM_256K 0x0007f800 -#else -#define PM_4K 0x00000000 -#define PM_16K 0x00006000 -#define PM_64K 0x0001e000 -#define PM_256K 0x0007e000 -#define PM_1M 0x001fe000 -#define PM_4M 0x007fe000 -#define PM_16M 0x01ffe000 -#endif -/* - * Values used for computation of new tlb entries - */ -#define PL_4K 12 -#define PL_16K 14 -#define PL_64K 16 -#define PL_256K 18 -#define PL_1M 20 -#define PL_4M 22 -#define PL_16M 24 +/* Why doesn't stupidity hurt ... */ -/* - * Macros to access the system control coprocessor - */ -#define read_32bit_cp0_register(source) \ -({ int __res; \ - __asm__ __volatile__( \ - ".set\tpush\n\t" \ - ".set\treorder\n\t" \ - "mfc0\t%0,"STR(source)"\n\t" \ - ".set\tpop" \ - : "=r" (__res)); \ - __res;}) +#define PM_1K 0x00000000 +#define PM_4K 0x00001800 +#define PM_16K 0x00007800 +#define PM_64K 0x0001f800 +#define PM_256K 0x0007f800 -#define read_32bit_cp0_set1_register(source) \ -({ int __res; \ - __asm__ __volatile__( \ - ".set\tpush\n\t" \ - ".set\treorder\n\t" \ - "cfc0\t%0,"STR(source)"\n\t" \ - ".set\tpop" \ - : "=r" (__res)); \ - __res;}) +#else -/* - * For now use this only with interrupts disabled! - */ -#define read_64bit_cp0_register(source) \ -({ int __res; \ - __asm__ __volatile__( \ - ".set\tmips3\n\t" \ - "dmfc0\t%0,"STR(source)"\n\t" \ - ".set\tmips0" \ - : "=r" (__res)); \ - __res;}) +#define PM_4K 0x00000000 +#define PM_16K 0x00006000 +#define PM_64K 0x0001e000 +#define PM_256K 0x0007e000 +#define PM_1M 0x001fe000 +#define PM_4M 0x007fe000 +#define PM_16M 0x01ffe000 +#define PM_64M 0x07ffe000 +#define PM_256M 0x1fffe000 -#define write_32bit_cp0_register(register,value) \ - __asm__ __volatile__( \ - "mtc0\t%0,"STR(register)"\n\t" \ - "nop" \ - : : "r" (value)); - -#define write_32bit_cp0_set1_register(register,value) \ - __asm__ __volatile__( \ - "ctc0\t%0,"STR(register)"\n\t" \ - "nop" \ - : : "r" (value)); - -#define write_64bit_cp0_register(register,value) \ - __asm__ __volatile__( \ - ".set\tmips3\n\t" \ - "dmtc0\t%0,"STR(register)"\n\t" \ - ".set\tmips0" \ - : : "r" (value)) - -/* - * This should be changed when we get a compiler that support the MIPS32 ISA. - */ -#define read_mips32_cp0_config1() \ -({ int __res; \ - __asm__ __volatile__( \ - ".set\tnoreorder\n\t" \ - ".set\tnoat\n\t" \ - ".word\t0x40018001\n\t" \ - "move\t%0,$1\n\t" \ - ".set\tat\n\t" \ - ".set\treorder" \ - :"=r" (__res)); \ - __res;}) +#endif -#define tlb_write_indexed() \ - __asm__ __volatile__( \ - ".set noreorder\n\t" \ - "tlbwi\n\t" \ -".set reorder") +/* + * Values used for computation of new tlb entries + */ +#define PL_4K 12 +#define PL_16K 14 +#define PL_64K 16 +#define PL_256K 18 +#define PL_1M 20 +#define PL_4M 22 +#define PL_16M 24 +#define PL_64M 26 +#define PL_256M 28 /* * R4x00 interrupt enable / cause bits */ -#define IE_SW0 (1<< 8) -#define IE_SW1 (1<< 9) -#define IE_IRQ0 (1<<10) -#define IE_IRQ1 (1<<11) -#define IE_IRQ2 (1<<12) -#define IE_IRQ3 (1<<13) -#define IE_IRQ4 (1<<14) -#define IE_IRQ5 (1<<15) +#define IE_SW0 (_ULCAST_(1) << 8) +#define IE_SW1 (_ULCAST_(1) << 9) +#define IE_IRQ0 (_ULCAST_(1) << 10) +#define IE_IRQ1 (_ULCAST_(1) << 11) +#define IE_IRQ2 (_ULCAST_(1) << 12) +#define IE_IRQ3 (_ULCAST_(1) << 13) +#define IE_IRQ4 (_ULCAST_(1) << 14) +#define IE_IRQ5 (_ULCAST_(1) << 15) /* * R4x00 interrupt cause bits */ -#define C_SW0 (1<< 8) -#define C_SW1 (1<< 9) -#define C_IRQ0 (1<<10) -#define C_IRQ1 (1<<11) -#define C_IRQ2 (1<<12) -#define C_IRQ3 (1<<13) -#define C_IRQ4 (1<<14) -#define C_IRQ5 (1<<15) - -#ifndef _LANGUAGE_ASSEMBLY -/* - * Manipulate the status register. - * Mostly used to access the interrupt bits. - */ -#define __BUILD_SET_CP0(name,register) \ -extern __inline__ unsigned int \ -set_cp0_##name(unsigned int set) \ -{ \ - unsigned int res; \ - \ - res = read_32bit_cp0_register(register); \ - res |= set; \ - write_32bit_cp0_register(register, res); \ - \ - return res; \ -} \ - \ -extern __inline__ unsigned int \ -clear_cp0_##name(unsigned int clear) \ -{ \ - unsigned int res; \ - \ - res = read_32bit_cp0_register(register); \ - res &= ~clear; \ - write_32bit_cp0_register(register, res); \ - \ - return res; \ -} \ - \ -extern __inline__ unsigned int \ -change_cp0_##name(unsigned int change, unsigned int new) \ -{ \ - unsigned int res; \ - \ - res = read_32bit_cp0_register(register); \ - res &= ~change; \ - res |= (new & change); \ - if(change) \ - write_32bit_cp0_register(register, res); \ - \ - return res; \ -} - -__BUILD_SET_CP0(status,CP0_STATUS) -__BUILD_SET_CP0(cause,CP0_CAUSE) -__BUILD_SET_CP0(config,CP0_CONFIG) - -#endif /* defined (_LANGUAGE_ASSEMBLY) */ +#define C_SW0 (_ULCAST_(1) << 8) +#define C_SW1 (_ULCAST_(1) << 9) +#define C_IRQ0 (_ULCAST_(1) << 10) +#define C_IRQ1 (_ULCAST_(1) << 11) +#define C_IRQ2 (_ULCAST_(1) << 12) +#define C_IRQ3 (_ULCAST_(1) << 13) +#define C_IRQ4 (_ULCAST_(1) << 14) +#define C_IRQ5 (_ULCAST_(1) << 15) /* * Bitfields in the R4xx0 cp0 status register @@ -332,14 +243,21 @@ __BUILD_SET_CP0(config,CP0_CONFIG) # define KSU_KERNEL 0x00000000 #define ST0_UX 0x00000020 #define ST0_SX 0x00000040 -#define ST0_KX 0x00000080 +#define ST0_KX 0x00000080 #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_IEC 0x00000001 +#define ST0_IEC 0x00000001 #define ST0_KUC 0x00000002 #define ST0_IEP 0x00000004 #define ST0_KUP 0x00000008 @@ -353,31 +271,36 @@ __BUILD_SET_CP0(config,CP0_CONFIG) /* * Bits specific to the R4640/R4650 */ -#define ST0_UM (1 << 4) -#define ST0_IL (1 << 23) -#define ST0_DL (1 << 24) +#define ST0_UM (_ULCAST_(1) << 4) +#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 */ #define TX39_CONF_ICS_SHIFT 19 #define TX39_CONF_ICS_MASK 0x00380000 -#define TX39_CONF_ICS_1KB 0x00000000 -#define TX39_CONF_ICS_2KB 0x00080000 -#define TX39_CONF_ICS_4KB 0x00100000 -#define TX39_CONF_ICS_8KB 0x00180000 -#define TX39_CONF_ICS_16KB 0x00200000 +#define TX39_CONF_ICS_1KB 0x00000000 +#define TX39_CONF_ICS_2KB 0x00080000 +#define TX39_CONF_ICS_4KB 0x00100000 +#define TX39_CONF_ICS_8KB 0x00180000 +#define TX39_CONF_ICS_16KB 0x00200000 #define TX39_CONF_DCS_SHIFT 16 #define TX39_CONF_DCS_MASK 0x00070000 -#define TX39_CONF_DCS_1KB 0x00000000 -#define TX39_CONF_DCS_2KB 0x00010000 -#define TX39_CONF_DCS_4KB 0x00020000 -#define TX39_CONF_DCS_8KB 0x00030000 -#define TX39_CONF_DCS_16KB 0x00040000 - -#define TX39_CONF_CWFON 0x00004000 -#define TX39_CONF_WBON 0x00002000 +#define TX39_CONF_DCS_1KB 0x00000000 +#define TX39_CONF_DCS_2KB 0x00010000 +#define TX39_CONF_DCS_4KB 0x00020000 +#define TX39_CONF_DCS_8KB 0x00030000 +#define TX39_CONF_DCS_16KB 0x00040000 + +#define TX39_CONF_CWFON 0x00004000 +#define TX39_CONF_WBON 0x00002000 #define TX39_CONF_RF_SHIFT 10 #define TX39_CONF_RF_MASK 0x00000c00 #define TX39_CONF_DOZE 0x00000200 @@ -395,39 +318,40 @@ __BUILD_SET_CP0(config,CP0_CONFIG) */ #define ST0_IM 0x0000ff00 #define STATUSB_IP0 8 -#define STATUSF_IP0 (1 << 8) +#define STATUSF_IP0 (_ULCAST_(1) << 8) #define STATUSB_IP1 9 -#define STATUSF_IP1 (1 << 9) +#define STATUSF_IP1 (_ULCAST_(1) << 9) #define STATUSB_IP2 10 -#define STATUSF_IP2 (1 << 10) +#define STATUSF_IP2 (_ULCAST_(1) << 10) #define STATUSB_IP3 11 -#define STATUSF_IP3 (1 << 11) +#define STATUSF_IP3 (_ULCAST_(1) << 11) #define STATUSB_IP4 12 -#define STATUSF_IP4 (1 << 12) +#define STATUSF_IP4 (_ULCAST_(1) << 12) #define STATUSB_IP5 13 -#define STATUSF_IP5 (1 << 13) +#define STATUSF_IP5 (_ULCAST_(1) << 13) #define STATUSB_IP6 14 -#define STATUSF_IP6 (1 << 14) +#define STATUSF_IP6 (_ULCAST_(1) << 14) #define STATUSB_IP7 15 -#define STATUSF_IP7 (1 << 15) +#define STATUSF_IP7 (_ULCAST_(1) << 15) #define STATUSB_IP8 0 -#define STATUSF_IP8 (1 << 0) +#define STATUSF_IP8 (_ULCAST_(1) << 0) #define STATUSB_IP9 1 -#define STATUSF_IP9 (1 << 1) +#define STATUSF_IP9 (_ULCAST_(1) << 1) #define STATUSB_IP10 2 -#define STATUSF_IP10 (1 << 2) +#define STATUSF_IP10 (_ULCAST_(1) << 2) #define STATUSB_IP11 3 -#define STATUSF_IP11 (1 << 3) +#define STATUSF_IP11 (_ULCAST_(1) << 3) #define STATUSB_IP12 4 -#define STATUSF_IP12 (1 << 4) +#define STATUSF_IP12 (_ULCAST_(1) << 4) #define STATUSB_IP13 5 -#define STATUSF_IP13 (1 << 5) +#define STATUSF_IP13 (_ULCAST_(1) << 5) #define STATUSB_IP14 6 -#define STATUSF_IP14 (1 << 6) +#define STATUSF_IP14 (_ULCAST_(1) << 6) #define STATUSB_IP15 7 -#define STATUSF_IP15 (1 << 7) +#define STATUSF_IP15 (_ULCAST_(1) << 7) #define ST0_CH 0x00040000 #define ST0_SR 0x00100000 +#define ST0_TS 0x00200000 #define ST0_BEV 0x00400000 #define ST0_RE 0x02000000 #define ST0_FR 0x04000000 @@ -444,35 +368,36 @@ __BUILD_SET_CP0(config,CP0_CONFIG) * Refer to your MIPS R4xx0 manual, chapter 5 for explanation. */ #define CAUSEB_EXCCODE 2 -#define CAUSEF_EXCCODE (31 << 2) +#define CAUSEF_EXCCODE (_ULCAST_(31) << 2) #define CAUSEB_IP 8 -#define CAUSEF_IP (255 << 8) +#define CAUSEF_IP (_ULCAST_(255) << 8) #define CAUSEB_IP0 8 -#define CAUSEF_IP0 (1 << 8) +#define CAUSEF_IP0 (_ULCAST_(1) << 8) #define CAUSEB_IP1 9 -#define CAUSEF_IP1 (1 << 9) +#define CAUSEF_IP1 (_ULCAST_(1) << 9) #define CAUSEB_IP2 10 -#define CAUSEF_IP2 (1 << 10) +#define CAUSEF_IP2 (_ULCAST_(1) << 10) #define CAUSEB_IP3 11 -#define CAUSEF_IP3 (1 << 11) +#define CAUSEF_IP3 (_ULCAST_(1) << 11) #define CAUSEB_IP4 12 -#define CAUSEF_IP4 (1 << 12) +#define CAUSEF_IP4 (_ULCAST_(1) << 12) #define CAUSEB_IP5 13 -#define CAUSEF_IP5 (1 << 13) +#define CAUSEF_IP5 (_ULCAST_(1) << 13) #define CAUSEB_IP6 14 -#define CAUSEF_IP6 (1 << 14) +#define CAUSEF_IP6 (_ULCAST_(1) << 14) #define CAUSEB_IP7 15 -#define CAUSEF_IP7 (1 << 15) +#define CAUSEF_IP7 (_ULCAST_(1) << 15) #define CAUSEB_IV 23 -#define CAUSEF_IV (1 << 23) +#define CAUSEF_IV (_ULCAST_(1) << 23) #define CAUSEB_CE 28 -#define CAUSEF_CE (3 << 28) +#define CAUSEF_CE (_ULCAST_(3) << 28) #define CAUSEB_BD 31 -#define CAUSEF_BD (1 << 31) +#define CAUSEF_BD (_ULCAST_(1) << 31) /* - * Bits in the coprozessor 0 config register. + * Bits in the coprocessor 0 config register. */ +/* Generic bits. */ #define CONF_CM_CACHABLE_NO_WA 0 #define CONF_CM_CACHABLE_WA 1 #define CONF_CM_UNCACHED 2 @@ -482,66 +407,958 @@ __BUILD_SET_CP0(config,CP0_CONFIG) #define CONF_CM_CACHABLE_CUW 6 #define CONF_CM_CACHABLE_ACCELERATED 7 #define CONF_CM_CMASK 7 -#define CONF_DB (1 << 4) -#define CONF_IB (1 << 5) -#define CONF_SC (1 << 17) -#define CONF_AC (1 << 23) -#define CONF_HALT (1 << 25) +#define CONF_BE (_ULCAST_(1) << 15) + +/* Bits common to various processors. */ +#define CONF_CU (_ULCAST_(1) << 3) +#define CONF_DB (_ULCAST_(1) << 4) +#define CONF_IB (_ULCAST_(1) << 5) +#define CONF_DC (_ULCAST_(7) << 6) +#define CONF_IC (_ULCAST_(7) << 9) +#define CONF_EB (_ULCAST_(1) << 13) +#define CONF_EM (_ULCAST_(1) << 14) +#define CONF_SM (_ULCAST_(1) << 16) +#define CONF_SC (_ULCAST_(1) << 17) +#define CONF_EW (_ULCAST_(3) << 18) +#define CONF_EP (_ULCAST_(15)<< 24) +#define CONF_EC (_ULCAST_(7) << 28) +#define CONF_CM (_ULCAST_(1) << 31) + +/* Bits specific to the R4xx0. */ +#define R4K_CONF_SW (_ULCAST_(1) << 20) +#define R4K_CONF_SS (_ULCAST_(1) << 21) +#define R4K_CONF_SB (_ULCAST_(3) << 22) + +/* Bits specific to the R5000. */ +#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 R10K_CONF_PE (_ULCAST_(1) << 6) +#define R10K_CONF_PM (_ULCAST_(3) << 7) +#define R10K_CONF_EC (_ULCAST_(15)<< 9) +#define R10K_CONF_SB (_ULCAST_(1) << 13) +#define R10K_CONF_SK (_ULCAST_(1) << 14) +#define R10K_CONF_SS (_ULCAST_(7) << 16) +#define R10K_CONF_SC (_ULCAST_(7) << 19) +#define R10K_CONF_DC (_ULCAST_(7) << 26) +#define R10K_CONF_IC (_ULCAST_(7) << 29) + +/* Bits specific to the VR41xx. */ +#define VR41_CONF_CS (_ULCAST_(1) << 12) +#define VR41_CONF_P4K (_ULCAST_(1) << 13) +#define VR41_CONF_BP (_ULCAST_(1) << 16) +#define VR41_CONF_M16 (_ULCAST_(1) << 20) +#define VR41_CONF_AD (_ULCAST_(1) << 23) + +/* Bits specific to the R30xx. */ +#define R30XX_CONF_FDM (_ULCAST_(1) << 19) +#define R30XX_CONF_REV (_ULCAST_(1) << 22) +#define R30XX_CONF_AC (_ULCAST_(1) << 23) +#define R30XX_CONF_RF (_ULCAST_(1) << 24) +#define R30XX_CONF_HALT (_ULCAST_(1) << 25) +#define R30XX_CONF_FPINT (_ULCAST_(7) << 26) +#define R30XX_CONF_DBR (_ULCAST_(1) << 29) +#define R30XX_CONF_SB (_ULCAST_(1) << 30) +#define R30XX_CONF_LOCK (_ULCAST_(1) << 31) + +/* Bits specific to the TX49. */ +#define TX49_CONF_DC (_ULCAST_(1) << 16) +#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */ +#define TX49_CONF_HALT (_ULCAST_(1) << 18) +#define TX49_CONF_CWFON (_ULCAST_(1) << 27) + +/* Bits specific to the MIPS32/64 PRA. */ +#define MIPS_CONF_MT (_ULCAST_(7) << 7) +#define MIPS_CONF_AR (_ULCAST_(7) << 10) +#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) +#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) + +#define MIPS_CONF7_WII (_ULCAST_(1) << 31) + +#define MIPS_CONF7_RPS (_ULCAST_(1) << 2) + +/* + * 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) + +#ifndef __ASSEMBLY__ + +/* + * 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, %1" \ + : "=r" (__res) \ + : "i" (counter)); \ + \ + __res; \ +}) + +#define write_r10k_perf_cntr(counter,val) \ +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) \ +do { \ + __asm__ __volatile__( \ + "mtps\t%0, %1" \ + : \ + : "r" (val), "i" (counter)); \ +} while (0) /* - * R10000 performance counter definitions. + * Macros to access the system control coprocessor + */ + +#define __read_32bit_c0_register(source, sel) \ +({ int __res; \ + if (sel == 0) \ + __asm__ __volatile__( \ + "mfc0\t%0, " #source "\n\t" \ + : "=r" (__res)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips32\n\t" \ + "mfc0\t%0, " #source ", " #sel "\n\t" \ + ".set\tmips0\n\t" \ + : "=r" (__res)); \ + __res; \ +}) + +#define __read_64bit_c0_register(source, sel) \ +({ 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" \ + ".set\tmips0" \ + : "=r" (__res)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dmfc0\t%0, " #source ", " #sel "\n\t" \ + ".set\tmips0" \ + : "=r" (__res)); \ + __res; \ +}) + +#define __write_32bit_c0_register(register, sel, value) \ +do { \ + if (sel == 0) \ + __asm__ __volatile__( \ + "mtc0\t%z0, " #register "\n\t" \ + : : "Jr" ((unsigned int)(value))); \ + else \ + __asm__ __volatile__( \ + ".set\tmips32\n\t" \ + "mtc0\t%z0, " #register ", " #sel "\n\t" \ + ".set\tmips0" \ + : : "Jr" ((unsigned int)(value))); \ +} while (0) + +#define __write_64bit_c0_register(register, sel, value) \ +do { \ + 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" \ + ".set\tmips0" \ + : : "Jr" (value)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dmtc0\t%z0, " #register ", " #sel "\n\t" \ + ".set\tmips0" \ + : : "Jr" (value)); \ +} while (0) + +#define __read_ulong_c0_register(reg, sel) \ + ((sizeof(unsigned long) == 4) ? \ + (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 { \ + if (sizeof(unsigned long) == 4) \ + __write_32bit_c0_register(reg, sel, val); \ + else \ + __write_64bit_c0_register(reg, sel, val); \ +} while (0) + +/* + * On RM7000/RM9000 these are uses to access cop0 set 1 registers + */ +#define __read_32bit_c0_ctrl_register(source) \ +({ int __res; \ + __asm__ __volatile__( \ + "cfc0\t%0, " #source "\n\t" \ + : "=r" (__res)); \ + __res; \ +}) + +#define __write_32bit_c0_ctrl_register(register, value) \ +do { \ + __asm__ __volatile__( \ + "ctc0\t%z0, " #register "\n\t" \ + : : "Jr" ((unsigned int)(value))); \ +} while (0) + +/* + * These versions are only needed for systems with more than 38 bits of + * physical address space running the 32-bit kernel. That's none atm :-) + */ +#define __read_64bit_c0_split(source, sel) \ +({ \ + unsigned long long __val; \ + unsigned long __flags; \ + \ + local_irq_save(__flags); \ + if (sel == 0) \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dmfc0\t%M0, " #source "\n\t" \ + "dsll\t%L0, %M0, 32\n\t" \ + "dsrl\t%M0, %M0, 32\n\t" \ + "dsrl\t%L0, %L0, 32\n\t" \ + ".set\tmips0" \ + : "=r" (__val)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dmfc0\t%M0, " #source ", " #sel "\n\t" \ + "dsll\t%L0, %M0, 32\n\t" \ + "dsrl\t%M0, %M0, 32\n\t" \ + "dsrl\t%L0, %L0, 32\n\t" \ + ".set\tmips0" \ + : "=r" (__val)); \ + local_irq_restore(__flags); \ + \ + __val; \ +}) + +#define __write_64bit_c0_split(source, sel, val) \ +do { \ + unsigned long __flags; \ + \ + local_irq_save(__flags); \ + if (sel == 0) \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dsll\t%L0, %L0, 32\n\t" \ + "dsrl\t%L0, %L0, 32\n\t" \ + "dsll\t%M0, %M0, 32\n\t" \ + "or\t%L0, %L0, %M0\n\t" \ + "dmtc0\t%L0, " #source "\n\t" \ + ".set\tmips0" \ + : : "r" (val)); \ + else \ + __asm__ __volatile__( \ + ".set\tmips64\n\t" \ + "dsll\t%L0, %L0, 32\n\t" \ + "dsrl\t%L0, %L0, 32\n\t" \ + "dsll\t%M0, %M0, 32\n\t" \ + "or\t%L0, %L0, %M0\n\t" \ + "dmtc0\t%L0, " #source ", " #sel "\n\t" \ + ".set\tmips0" \ + : : "r" (val)); \ + local_irq_restore(__flags); \ +} while (0) + +#define read_c0_index() __read_32bit_c0_register($0, 0) +#define write_c0_index(val) __write_32bit_c0_register($0, 0, val) + +#define read_c0_entrylo0() __read_ulong_c0_register($2, 0) +#define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val) + +#define read_c0_entrylo1() __read_ulong_c0_register($3, 0) +#define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val) + +#define read_c0_conf() __read_32bit_c0_register($3, 0) +#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val) + +#define read_c0_context() __read_ulong_c0_register($4, 0) +#define write_c0_context(val) __write_ulong_c0_register($4, 0, val) + +#define read_c0_userlocal() __read_ulong_c0_register($4, 2) +#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val) + +#define read_c0_pagemask() __read_32bit_c0_register($5, 0) +#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val) + +#define read_c0_wired() __read_32bit_c0_register($6, 0) +#define write_c0_wired(val) __write_32bit_c0_register($6, 0, val) + +#define read_c0_info() __read_32bit_c0_register($7, 0) + +#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) + +#define read_c0_epc() __read_ulong_c0_register($14, 0) +#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val) + +#define read_c0_prid() __read_32bit_c0_register($15, 0) + +#define read_c0_config() __read_32bit_c0_register($16, 0) +#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. + */ +#define read_c0_watchlo0() __read_ulong_c0_register($18, 0) +#define read_c0_watchlo1() __read_ulong_c0_register($18, 1) +#define read_c0_watchlo2() __read_ulong_c0_register($18, 2) +#define read_c0_watchlo3() __read_ulong_c0_register($18, 3) +#define read_c0_watchlo4() __read_ulong_c0_register($18, 4) +#define read_c0_watchlo5() __read_ulong_c0_register($18, 5) +#define read_c0_watchlo6() __read_ulong_c0_register($18, 6) +#define read_c0_watchlo7() __read_ulong_c0_register($18, 7) +#define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val) +#define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val) +#define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val) +#define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val) +#define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val) +#define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val) +#define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val) +#define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val) + +/* + * The WatchHi register. There may be upto 8 of them. + */ +#define read_c0_watchhi0() __read_32bit_c0_register($19, 0) +#define read_c0_watchhi1() __read_32bit_c0_register($19, 1) +#define read_c0_watchhi2() __read_32bit_c0_register($19, 2) +#define read_c0_watchhi3() __read_32bit_c0_register($19, 3) +#define read_c0_watchhi4() __read_32bit_c0_register($19, 4) +#define read_c0_watchhi5() __read_32bit_c0_register($19, 5) +#define read_c0_watchhi6() __read_32bit_c0_register($19, 6) +#define read_c0_watchhi7() __read_32bit_c0_register($19, 7) + +#define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val) +#define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val) +#define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val) +#define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val) +#define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val) +#define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val) +#define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val) +#define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val) + +#define read_c0_xcontext() __read_ulong_c0_register($20, 0) +#define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val) + +#define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20) +#define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val) + +#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) + +#define read_c0_diag1() __read_32bit_c0_register($22, 1) +#define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val) + +#define read_c0_diag2() __read_32bit_c0_register($22, 2) +#define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val) + +#define read_c0_diag3() __read_32bit_c0_register($22, 3) +#define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val) + +#define read_c0_diag4() __read_32bit_c0_register($22, 4) +#define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val) + +#define read_c0_diag5() __read_32bit_c0_register($22, 5) +#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val) + +#define read_c0_debug() __read_32bit_c0_register($23, 0) +#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val) + +#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) + +#define read_c0_derraddr0() __read_ulong_c0_register($26, 1) +#define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val) + +#define read_c0_cacheerr() __read_32bit_c0_register($27, 0) + +#define read_c0_derraddr1() __read_ulong_c0_register($27, 1) +#define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val) + +#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 + */ +#define read_32bit_cp1_register(source) \ +({ int __res; \ + __asm__ __volatile__( \ + ".set\tpush\n\t" \ + ".set\treorder\n\t" \ + "cfc1\t%0,"STR(source)"\n\t" \ + ".set\tpop" \ + : "=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) + +#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) + +/* + * TLB operations. * - * FIXME: The R10000 performance counter opens a nice way to implement CPU - * time accounting with a precission of one cycle. I don't have - * R10000 silicon but just a manual, so ... - */ - -/* - * Events counted by counter #0 - */ -#define CE0_CYCLES 0 -#define CE0_INSN_ISSUED 1 -#define CE0_LPSC_ISSUED 2 -#define CE0_S_ISSUED 3 -#define CE0_SC_ISSUED 4 -#define CE0_SC_FAILED 5 -#define CE0_BRANCH_DECODED 6 -#define CE0_QW_WB_SECONDARY 7 -#define CE0_CORRECTED_ECC_ERRORS 8 -#define CE0_ICACHE_MISSES 9 -#define CE0_SCACHE_I_MISSES 10 -#define CE0_SCACHE_I_WAY_MISSPREDICTED 11 -#define CE0_EXT_INTERVENTIONS_REQ 12 -#define CE0_EXT_INVALIDATE_REQ 13 -#define CE0_VIRTUAL_COHERENCY_COND 14 -#define CE0_INSN_GRADUATED 15 - -/* - * Events counted by counter #1 - */ -#define CE1_CYCLES 0 -#define CE1_INSN_GRADUATED 1 -#define CE1_LPSC_GRADUATED 2 -#define CE1_S_GRADUATED 3 -#define CE1_SC_GRADUATED 4 -#define CE1_FP_INSN_GRADUATED 5 -#define CE1_QW_WB_PRIMARY 6 -#define CE1_TLB_REFILL 7 -#define CE1_BRANCH_MISSPREDICTED 8 -#define CE1_DCACHE_MISS 9 -#define CE1_SCACHE_D_MISSES 10 -#define CE1_SCACHE_D_WAY_MISSPREDICTED 11 -#define CE1_EXT_INTERVENTION_HITS 12 -#define CE1_EXT_INVALIDATE_REQ 13 -#define CE1_SP_HINT_TO_CEXCL_SC_BLOCKS 14 -#define CE1_SP_HINT_TO_SHARED_SC_BLOCKS 15 - -/* - * These flags define in which priviledge mode the counters count events - */ -#define CEB_USER 8 /* Count events in user mode, EXL = ERL = 0 */ -#define CEB_SUPERVISOR 4 /* Count events in supvervisor mode EXL = ERL = 0 */ -#define CEB_KERNEL 2 /* Count events in kernel mode EXL = ERL = 0 */ -#define CEB_EXL 1 /* Count events with EXL = 1, ERL = 0 */ + * It is responsibility of the caller to take care of any TLB hazards. + */ +static inline void tlb_probe(void) +{ + __asm__ __volatile__( + ".set noreorder\n\t" + "tlbp\n\t" + ".set reorder"); +} + +static inline void tlb_read(void) +{ +#if MIPS34K_MISSED_ITLB_WAR + int res = 0; + + __asm__ __volatile__( + " .set push \n" + " .set noreorder \n" + " .set noat \n" + " .set mips32r2 \n" + " .word 0x41610001 # dvpe $1 \n" + " move %0, $1 \n" + " ehb \n" + " .set pop \n" + : "=r" (res)); + + instruction_hazard(); +#endif + + __asm__ __volatile__( + ".set noreorder\n\t" + "tlbr\n\t" + ".set reorder"); + +#if MIPS34K_MISSED_ITLB_WAR + if ((res & _ULCAST_(1))) + __asm__ __volatile__( + " .set push \n" + " .set noreorder \n" + " .set noat \n" + " .set mips32r2 \n" + " .word 0x41600021 # evpe \n" + " ehb \n" + " .set pop \n"); +#endif +} + +static inline void tlb_write_indexed(void) +{ + __asm__ __volatile__( + ".set noreorder\n\t" + "tlbwi\n\t" + ".set reorder"); +} + +static inline void tlb_write_random(void) +{ + __asm__ __volatile__( + ".set noreorder\n\t" + "tlbwr\n\t" + ".set reorder"); +} + +/* + * Manipulate bits in a c0 register. + */ +#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; \ +} + +__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__ */ #endif /* _ASM_MIPSREGS_H */ |