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Diffstat (limited to 'include/asm-mips/mipsregs.h')
| -rw-r--r-- | include/asm-mips/mipsregs.h | 1526 |
1 files changed, 0 insertions, 1526 deletions
diff --git a/include/asm-mips/mipsregs.h b/include/asm-mips/mipsregs.h deleted file mode 100644 index a46f8e258e6b..000000000000 --- a/include/asm-mips/mipsregs.h +++ /dev/null @@ -1,1526 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle - * 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, 07 MIPS Technologies, Inc. - * Copyright (C) 2003, 2004 Maciej W. Rozycki - */ -#ifndef _ASM_MIPSREGS_H -#define _ASM_MIPSREGS_H - -#include <linux/linkage.h> -#include <asm/hazards.h> -#include <asm/war.h> - -/* - * The following macros are especially useful for __asm__ - * inline assembler. - */ -#ifndef __STR -#define __STR(x) #x -#endif -#ifndef STR -#define STR(x) __STR(x) -#endif - -/* - * Configure language - */ -#ifdef __ASSEMBLY__ -#define _ULCAST_ -#else -#define _ULCAST_ (unsigned long) -#endif - -/* - * Coprocessor 0 register names - */ -#define CP0_INDEX $0 -#define CP0_RANDOM $1 -#define CP0_ENTRYLO0 $2 -#define CP0_ENTRYLO1 $3 -#define CP0_CONF $3 -#define CP0_CONTEXT $4 -#define CP0_PAGEMASK $5 -#define CP0_WIRED $6 -#define CP0_INFO $7 -#define CP0_BADVADDR $8 -#define CP0_COUNT $9 -#define CP0_ENTRYHI $10 -#define CP0_COMPARE $11 -#define CP0_STATUS $12 -#define CP0_CAUSE $13 -#define CP0_EPC $14 -#define CP0_PRID $15 -#define CP0_CONFIG $16 -#define CP0_LLADDR $17 -#define CP0_WATCHLO $18 -#define CP0_WATCHHI $19 -#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 - * here only for completeness; without MMU these CPUs are not useable - * by Linux. A future ELKS port might take make Linux run on them - * though ... - */ -#define CP0_IBASE $0 -#define CP0_IBOUND $1 -#define CP0_DBASE $2 -#define CP0_DBOUND $3 -#define CP0_CALG $17 -#define CP0_IWATCH $18 -#define CP0_DWATCH $19 - -/* - * Coprocessor 0 Set 1 register names - */ -#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 - -/* - * FPU Status Register Values - */ -/* - * 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 */ - -/* - * 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 - -/* 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 - */ -#ifdef CONFIG_CPU_VR41XX - -/* Why doesn't stupidity hurt ... */ - -#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 -#define PM_64M 0x07ffe000 -#define PM_256M 0x1fffe000 - -#endif - -/* - * Default page size for a given kernel configuration - */ -#ifdef CONFIG_PAGE_SIZE_4KB -#define PM_DEFAULT_MASK PM_4K -#elif defined(CONFIG_PAGE_SIZE_16KB) -#define PM_DEFAULT_MASK PM_16K -#elif defined(CONFIG_PAGE_SIZE_64KB) -#define PM_DEFAULT_MASK PM_64K -#else -#error Bad page size configuration! -#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 -#define PL_64M 26 -#define PL_256M 28 - -/* - * R4x00 interrupt enable / cause bits - */ -#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 (_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 - */ -#define ST0_IE 0x00000001 -#define ST0_EXL 0x00000002 -#define ST0_ERL 0x00000004 -#define ST0_KSU 0x00000018 -# define KSU_USER 0x00000010 -# define KSU_SUPERVISOR 0x00000008 -# define KSU_KERNEL 0x00000000 -#define ST0_UX 0x00000020 -#define ST0_SX 0x00000040 -#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_KUC 0x00000002 -#define ST0_IEP 0x00000004 -#define ST0_KUP 0x00000008 -#define ST0_IEO 0x00000010 -#define ST0_KUO 0x00000020 -/* bits 6 & 7 are reserved on R[23]000 */ -#define ST0_ISC 0x00010000 -#define ST0_SWC 0x00020000 -#define ST0_CM 0x00080000 - -/* - * Bits specific to the R4640/R4650 - */ -#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_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_RF_SHIFT 10 -#define TX39_CONF_RF_MASK 0x00000c00 -#define TX39_CONF_DOZE 0x00000200 -#define TX39_CONF_HALT 0x00000100 -#define TX39_CONF_LOCK 0x00000080 -#define TX39_CONF_ICE 0x00000020 -#define TX39_CONF_DCE 0x00000010 -#define TX39_CONF_IRSIZE_SHIFT 2 -#define TX39_CONF_IRSIZE_MASK 0x0000000c -#define TX39_CONF_DRSIZE_SHIFT 0 -#define TX39_CONF_DRSIZE_MASK 0x00000003 - -/* - * Status register bits available in all MIPS CPUs. - */ -#define ST0_IM 0x0000ff00 -#define STATUSB_IP0 8 -#define STATUSF_IP0 (_ULCAST_(1) << 8) -#define STATUSB_IP1 9 -#define STATUSF_IP1 (_ULCAST_(1) << 9) -#define STATUSB_IP2 10 -#define STATUSF_IP2 (_ULCAST_(1) << 10) -#define STATUSB_IP3 11 -#define STATUSF_IP3 (_ULCAST_(1) << 11) -#define STATUSB_IP4 12 -#define STATUSF_IP4 (_ULCAST_(1) << 12) -#define STATUSB_IP5 13 -#define STATUSF_IP5 (_ULCAST_(1) << 13) -#define STATUSB_IP6 14 -#define STATUSF_IP6 (_ULCAST_(1) << 14) -#define STATUSB_IP7 15 -#define STATUSF_IP7 (_ULCAST_(1) << 15) -#define STATUSB_IP8 0 -#define STATUSF_IP8 (_ULCAST_(1) << 0) -#define STATUSB_IP9 1 -#define STATUSF_IP9 (_ULCAST_(1) << 1) -#define STATUSB_IP10 2 -#define STATUSF_IP10 (_ULCAST_(1) << 2) -#define STATUSB_IP11 3 -#define STATUSF_IP11 (_ULCAST_(1) << 3) -#define STATUSB_IP12 4 -#define STATUSF_IP12 (_ULCAST_(1) << 4) -#define STATUSB_IP13 5 -#define STATUSF_IP13 (_ULCAST_(1) << 5) -#define STATUSB_IP14 6 -#define STATUSF_IP14 (_ULCAST_(1) << 6) -#define STATUSB_IP15 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 -#define ST0_CU 0xf0000000 -#define ST0_CU0 0x10000000 -#define ST0_CU1 0x20000000 -#define ST0_CU2 0x40000000 -#define ST0_CU3 0x80000000 -#define ST0_XX 0x80000000 /* MIPS IV naming */ - -/* - * Bitfields and bit numbers in the coprocessor 0 cause register. - * - * Refer to your MIPS R4xx0 manual, chapter 5 for explanation. - */ -#define CAUSEB_EXCCODE 2 -#define CAUSEF_EXCCODE (_ULCAST_(31) << 2) -#define CAUSEB_IP 8 -#define CAUSEF_IP (_ULCAST_(255) << 8) -#define CAUSEB_IP0 8 -#define CAUSEF_IP0 (_ULCAST_(1) << 8) -#define CAUSEB_IP1 9 -#define CAUSEF_IP1 (_ULCAST_(1) << 9) -#define CAUSEB_IP2 10 -#define CAUSEF_IP2 (_ULCAST_(1) << 10) -#define CAUSEB_IP3 11 -#define CAUSEF_IP3 (_ULCAST_(1) << 11) -#define CAUSEB_IP4 12 -#define CAUSEF_IP4 (_ULCAST_(1) << 12) -#define CAUSEB_IP5 13 -#define CAUSEF_IP5 (_ULCAST_(1) << 13) -#define CAUSEB_IP6 14 -#define CAUSEF_IP6 (_ULCAST_(1) << 14) -#define CAUSEB_IP7 15 -#define CAUSEF_IP7 (_ULCAST_(1) << 15) -#define CAUSEB_IV 23 -#define CAUSEF_IV (_ULCAST_(1) << 23) -#define CAUSEB_CE 28 -#define CAUSEF_CE (_ULCAST_(3) << 28) -#define CAUSEB_BD 31 -#define CAUSEF_BD (_ULCAST_(1) << 31) - -/* - * 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 -#define CONF_CM_CACHABLE_NONCOHERENT 3 -#define CONF_CM_CACHABLE_CE 4 -#define CONF_CM_CACHABLE_COW 5 -#define CONF_CM_CACHABLE_CUW 6 -#define CONF_CM_CACHABLE_ACCELERATED 7 -#define CONF_CM_CMASK 7 -#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) - - -/* - * 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_random() __read_32bit_c0_register($1, 0) -#define write_c0_random(val) __write_32bit_c0_register($1, 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) - -#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. - * - * 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. - */ -#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 <linux/irqflags.h> - -/* - * 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 mips32r2 \n" - " .word 0x41600be1 # emt \n" - " ehb \n" - " .set mips0 \n"); -} - -static inline void __ehb(void) -{ - __asm__ __volatile__( - " .set mips32r2 \n" - " ehb \n" " .set mips0 \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; \ -} \ - \ -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; \ -} \ - \ -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__ */ - -#endif /* _ASM_MIPSREGS_H */ |
