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Diffstat (limited to 'arch/mips/include/asm/mipsregs.h')
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 2952 |
1 files changed, 2952 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h new file mode 100644 index 000000000..99eeafe6d --- /dev/null +++ b/arch/mips/include/asm/mipsregs.h @@ -0,0 +1,2952 @@ +/* + * 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 <linux/types.h> +#include <asm/hazards.h> +#include <asm/isa-rev.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_ +#define _U64CAST_ +#else +#define _ULCAST_ (unsigned long) +#define _U64CAST_ (u64) +#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_GLOBALNUMBER $3, 1 +#define CP0_CONTEXT $4 +#define CP0_PAGEMASK $5 +#define CP0_PAGEGRAIN $5, 1 +#define CP0_SEGCTL0 $5, 2 +#define CP0_SEGCTL1 $5, 3 +#define CP0_SEGCTL2 $5, 4 +#define CP0_WIRED $6 +#define CP0_INFO $7 +#define CP0_HWRENA $7 +#define CP0_BADVADDR $8 +#define CP0_BADINSTR $8, 1 +#define CP0_COUNT $9 +#define CP0_ENTRYHI $10 +#define CP0_GUESTCTL1 $10, 4 +#define CP0_GUESTCTL2 $10, 5 +#define CP0_GUESTCTL3 $10, 6 +#define CP0_COMPARE $11 +#define CP0_GUESTCTL0EXT $11, 4 +#define CP0_STATUS $12 +#define CP0_GUESTCTL0 $12, 6 +#define CP0_GTOFFSET $12, 7 +#define CP0_CAUSE $13 +#define CP0_EPC $14 +#define CP0_PRID $15 +#define CP0_EBASE $15, 1 +#define CP0_CMGCRBASE $15, 3 +#define CP0_CONFIG $16 +#define CP0_CONFIG3 $16, 3 +#define CP0_CONFIG5 $16, 5 +#define CP0_CONFIG6 $16, 6 +#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_DIAGNOSTIC1 $22, 1 +#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 + + +/* Generic EntryLo bit definitions */ +#define ENTRYLO_G (_ULCAST_(1) << 0) +#define ENTRYLO_V (_ULCAST_(1) << 1) +#define ENTRYLO_D (_ULCAST_(1) << 2) +#define ENTRYLO_C_SHIFT 3 +#define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT) + +/* R3000 EntryLo bit definitions */ +#define R3K_ENTRYLO_G (_ULCAST_(1) << 8) +#define R3K_ENTRYLO_V (_ULCAST_(1) << 9) +#define R3K_ENTRYLO_D (_ULCAST_(1) << 10) +#define R3K_ENTRYLO_N (_ULCAST_(1) << 11) + +/* MIPS32/64 EntryLo bit definitions */ +#define MIPS_ENTRYLO_PFN_SHIFT 6 +#define MIPS_ENTRYLO_XI (_ULCAST_(1) << (BITS_PER_LONG - 2)) +#define MIPS_ENTRYLO_RI (_ULCAST_(1) << (BITS_PER_LONG - 1)) + +/* + * MIPSr6+ GlobalNumber register definitions + */ +#define MIPS_GLOBALNUMBER_VP_SHF 0 +#define MIPS_GLOBALNUMBER_VP (_ULCAST_(0xff) << MIPS_GLOBALNUMBER_VP_SHF) +#define MIPS_GLOBALNUMBER_CORE_SHF 8 +#define MIPS_GLOBALNUMBER_CORE (_ULCAST_(0xff) << MIPS_GLOBALNUMBER_CORE_SHF) +#define MIPS_GLOBALNUMBER_CLUSTER_SHF 16 +#define MIPS_GLOBALNUMBER_CLUSTER (_ULCAST_(0xf) << MIPS_GLOBALNUMBER_CLUSTER_SHF) + +/* + * Values for PageMask register + */ +#define PM_4K 0x00000000 +#define PM_8K 0x00002000 +#define PM_16K 0x00006000 +#define PM_32K 0x0000e000 +#define PM_64K 0x0001e000 +#define PM_128K 0x0003e000 +#define PM_256K 0x0007e000 +#define PM_512K 0x000fe000 +#define PM_1M 0x001fe000 +#define PM_2M 0x003fe000 +#define PM_4M 0x007fe000 +#define PM_8M 0x00ffe000 +#define PM_16M 0x01ffe000 +#define PM_32M 0x03ffe000 +#define PM_64M 0x07ffe000 +#define PM_256M 0x1fffe000 +#define PM_1G 0x7fffe000 + +/* + * Default page size for a given kernel configuration + */ +#ifdef CONFIG_PAGE_SIZE_4KB +#define PM_DEFAULT_MASK PM_4K +#elif defined(CONFIG_PAGE_SIZE_8KB) +#define PM_DEFAULT_MASK PM_8K +#elif defined(CONFIG_PAGE_SIZE_16KB) +#define PM_DEFAULT_MASK PM_16K +#elif defined(CONFIG_PAGE_SIZE_32KB) +#define PM_DEFAULT_MASK PM_32K +#elif defined(CONFIG_PAGE_SIZE_64KB) +#define PM_DEFAULT_MASK PM_64K +#else +#error Bad page size configuration! +#endif + +/* + * Default huge tlb size for a given kernel configuration + */ +#ifdef CONFIG_PAGE_SIZE_4KB +#define PM_HUGE_MASK PM_1M +#elif defined(CONFIG_PAGE_SIZE_8KB) +#define PM_HUGE_MASK PM_4M +#elif defined(CONFIG_PAGE_SIZE_16KB) +#define PM_HUGE_MASK PM_16M +#elif defined(CONFIG_PAGE_SIZE_32KB) +#define PM_HUGE_MASK PM_64M +#elif defined(CONFIG_PAGE_SIZE_64KB) +#define PM_HUGE_MASK PM_256M +#elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) +#error Bad page size configuration for hugetlbfs! +#endif + +/* + * Wired register bits + */ +#define MIPSR6_WIRED_LIMIT_SHIFT 16 +#define MIPSR6_WIRED_LIMIT (_ULCAST_(0xffff) << MIPSR6_WIRED_LIMIT_SHIFT) +#define MIPSR6_WIRED_WIRED_SHIFT 0 +#define MIPSR6_WIRED_WIRED (_ULCAST_(0xffff) << MIPSR6_WIRED_WIRED_SHIFT) + +/* + * 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 + +/* + * PageGrain bits + */ +#define PG_RIE (_ULCAST_(1) << 31) +#define PG_XIE (_ULCAST_(1) << 30) +#define PG_ELPA (_ULCAST_(1) << 29) +#define PG_ESP (_ULCAST_(1) << 28) +#define PG_IEC (_ULCAST_(1) << 27) + +/* MIPS32/64 EntryHI bit definitions */ +#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10) +#define MIPS_ENTRYHI_ASIDX (_ULCAST_(0x3) << 8) +#define MIPS_ENTRYHI_ASID (_ULCAST_(0xff) << 0) + +/* + * 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 + +/* + * 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_NMI 0x00080000 +#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 */ + +/* in-kernel enabled CUs */ +#ifdef CONFIG_CPU_LOONGSON64 +#define ST0_KERNEL_CUMASK (ST0_CU0 | ST0_CU2) +#else +#define ST0_KERNEL_CUMASK ST0_CU0 +#endif + +/* + * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2) + */ +#define INTCTLB_IPFDC 23 +#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC) +#define INTCTLB_IPPCI 26 +#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI) +#define INTCTLB_IPTI 29 +#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI) + +/* + * 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_FDCI 21 +#define CAUSEF_FDCI (_ULCAST_(1) << 21) +#define CAUSEB_WP 22 +#define CAUSEF_WP (_ULCAST_(1) << 22) +#define CAUSEB_IV 23 +#define CAUSEF_IV (_ULCAST_(1) << 23) +#define CAUSEB_PCI 26 +#define CAUSEF_PCI (_ULCAST_(1) << 26) +#define CAUSEB_DC 27 +#define CAUSEF_DC (_ULCAST_(1) << 27) +#define CAUSEB_CE 28 +#define CAUSEF_CE (_ULCAST_(3) << 28) +#define CAUSEB_TI 30 +#define CAUSEF_TI (_ULCAST_(1) << 30) +#define CAUSEB_BD 31 +#define CAUSEF_BD (_ULCAST_(1) << 31) + +/* + * Cause.ExcCode trap codes. + */ +#define EXCCODE_INT 0 /* Interrupt pending */ +#define EXCCODE_MOD 1 /* TLB modified fault */ +#define EXCCODE_TLBL 2 /* TLB miss on load or ifetch */ +#define EXCCODE_TLBS 3 /* TLB miss on a store */ +#define EXCCODE_ADEL 4 /* Address error on a load or ifetch */ +#define EXCCODE_ADES 5 /* Address error on a store */ +#define EXCCODE_IBE 6 /* Bus error on an ifetch */ +#define EXCCODE_DBE 7 /* Bus error on a load or store */ +#define EXCCODE_SYS 8 /* System call */ +#define EXCCODE_BP 9 /* Breakpoint */ +#define EXCCODE_RI 10 /* Reserved instruction exception */ +#define EXCCODE_CPU 11 /* Coprocessor unusable */ +#define EXCCODE_OV 12 /* Arithmetic overflow */ +#define EXCCODE_TR 13 /* Trap instruction */ +#define EXCCODE_MSAFPE 14 /* MSA floating point exception */ +#define EXCCODE_FPE 15 /* Floating point exception */ +#define EXCCODE_TLBRI 19 /* TLB Read-Inhibit exception */ +#define EXCCODE_TLBXI 20 /* TLB Execution-Inhibit exception */ +#define EXCCODE_MSADIS 21 /* MSA disabled exception */ +#define EXCCODE_MDMX 22 /* MDMX unusable exception */ +#define EXCCODE_WATCH 23 /* Watch address reference */ +#define EXCCODE_MCHECK 24 /* Machine check */ +#define EXCCODE_THREAD 25 /* Thread exceptions (MT) */ +#define EXCCODE_DSPDIS 26 /* DSP disabled exception */ +#define EXCCODE_GE 27 /* Virtualized guest exception (VZ) */ +#define EXCCODE_CACHEERR 30 /* Parity/ECC occured on a core */ + +/* Implementation specific trap codes used by MIPS cores */ +#define MIPS_EXCCODE_TLBPAR 16 /* TLB parity error exception */ + +/* Implementation specific trap codes used by Loongson cores */ +#define LOONGSON_EXCCODE_GSEXC 16 /* Loongson-specific exception */ + +/* + * 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_VI (_ULCAST_(1) << 3) +#define MIPS_CONF_MT (_ULCAST_(7) << 7) +#define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7) +#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7) +#define MIPS_CONF_AR (_ULCAST_(7) << 10) +#define MIPS_CONF_AT (_ULCAST_(3) << 13) +#define MIPS_CONF_BE (_ULCAST_(1) << 15) +#define MIPS_CONF_BM (_ULCAST_(1) << 16) +#define MIPS_CONF_MM (_ULCAST_(3) << 17) +#define MIPS_CONF_MM_SYSAD (_ULCAST_(1) << 17) +#define MIPS_CONF_MM_FULL (_ULCAST_(2) << 17) +#define MIPS_CONF_SB (_ULCAST_(1) << 21) +#define MIPS_CONF_UDI (_ULCAST_(1) << 22) +#define MIPS_CONF_DSP (_ULCAST_(1) << 23) +#define MIPS_CONF_ISP (_ULCAST_(1) << 24) +#define MIPS_CONF_KU (_ULCAST_(3) << 25) +#define MIPS_CONF_K23 (_ULCAST_(3) << 28) +#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_SHF 7 +#define MIPS_CONF1_DA_SZ 3 +#define MIPS_CONF1_DA (_ULCAST_(7) << 7) +#define MIPS_CONF1_DL_SHF 10 +#define MIPS_CONF1_DL_SZ 3 +#define MIPS_CONF1_DL (_ULCAST_(7) << 10) +#define MIPS_CONF1_DS_SHF 13 +#define MIPS_CONF1_DS_SZ 3 +#define MIPS_CONF1_DS (_ULCAST_(7) << 13) +#define MIPS_CONF1_IA_SHF 16 +#define MIPS_CONF1_IA_SZ 3 +#define MIPS_CONF1_IA (_ULCAST_(7) << 16) +#define MIPS_CONF1_IL_SHF 19 +#define MIPS_CONF1_IL_SZ 3 +#define MIPS_CONF1_IL (_ULCAST_(7) << 19) +#define MIPS_CONF1_IS_SHF 22 +#define MIPS_CONF1_IS_SZ 3 +#define MIPS_CONF1_IS (_ULCAST_(7) << 22) +#define MIPS_CONF1_TLBS_SHIFT (25) +#define MIPS_CONF1_TLBS_SIZE (6) +#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT) + +#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_CDMM (_ULCAST_(1) << 3) +#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_ITL (_ULCAST_(1) << 8) +#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9) +#define MIPS_CONF3_DSP (_ULCAST_(1) << 10) +#define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11) +#define MIPS_CONF3_RXI (_ULCAST_(1) << 12) +#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) +#define MIPS_CONF3_ISA (_ULCAST_(3) << 14) +#define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16) +#define MIPS_CONF3_MCU (_ULCAST_(1) << 17) +#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18) +#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21) +#define MIPS_CONF3_VZ (_ULCAST_(1) << 23) +#define MIPS_CONF3_PW (_ULCAST_(1) << 24) +#define MIPS_CONF3_SC (_ULCAST_(1) << 25) +#define MIPS_CONF3_BI (_ULCAST_(1) << 26) +#define MIPS_CONF3_BP (_ULCAST_(1) << 27) +#define MIPS_CONF3_MSA (_ULCAST_(1) << 28) +#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29) +#define MIPS_CONF3_BPG (_ULCAST_(1) << 30) + +#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0) +#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0) +#define MIPS_CONF4_FTLBSETS_SHIFT (0) +#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT) +#define MIPS_CONF4_FTLBWAYS_SHIFT (4) +#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT) +#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8) +/* bits 10:8 in FTLB-only configurations */ +#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) +/* bits 12:8 in VTLB-FTLB only configurations */ +#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) +#define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14) +#define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14) +#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14) +#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14) +#define MIPS_CONF4_KSCREXIST_SHIFT (16) +#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT) +#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24) +#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT) +#define MIPS_CONF4_AE (_ULCAST_(1) << 28) +#define MIPS_CONF4_IE (_ULCAST_(3) << 29) +#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29) + +#define MIPS_CONF5_NF (_ULCAST_(1) << 0) +#define MIPS_CONF5_UFR (_ULCAST_(1) << 2) +#define MIPS_CONF5_MRP (_ULCAST_(1) << 3) +#define MIPS_CONF5_LLB (_ULCAST_(1) << 4) +#define MIPS_CONF5_MVH (_ULCAST_(1) << 5) +#define MIPS_CONF5_VP (_ULCAST_(1) << 7) +#define MIPS_CONF5_SBRI (_ULCAST_(1) << 6) +#define MIPS_CONF5_FRE (_ULCAST_(1) << 8) +#define MIPS_CONF5_UFE (_ULCAST_(1) << 9) +#define MIPS_CONF5_CA2 (_ULCAST_(1) << 14) +#define MIPS_CONF5_MI (_ULCAST_(1) << 17) +#define MIPS_CONF5_CRCP (_ULCAST_(1) << 18) +#define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27) +#define MIPS_CONF5_EVA (_ULCAST_(1) << 28) +#define MIPS_CONF5_CV (_ULCAST_(1) << 29) +#define MIPS_CONF5_K (_ULCAST_(1) << 30) + +/* Config6 feature bits for proAptiv/P5600 */ + +/* Jump register cache prediction disable */ +#define MTI_CONF6_JRCD (_ULCAST_(1) << 0) +/* MIPSr6 extensions enable */ +#define MTI_CONF6_R6 (_ULCAST_(1) << 2) +/* IFU Performance Control */ +#define MTI_CONF6_IFUPERFCTL (_ULCAST_(3) << 10) +#define MTI_CONF6_SYND (_ULCAST_(1) << 13) +/* Sleep state performance counter disable */ +#define MTI_CONF6_SPCD (_ULCAST_(1) << 14) +/* proAptiv FTLB on/off bit */ +#define MTI_CONF6_FTLBEN (_ULCAST_(1) << 15) +/* Disable load/store bonding */ +#define MTI_CONF6_DLSB (_ULCAST_(1) << 21) +/* FTLB probability bits */ +#define MTI_CONF6_FTLBP_SHIFT (16) + +/* Config6 feature bits for Loongson-3 */ + +/* Loongson-3 internal timer bit */ +#define LOONGSON_CONF6_INTIMER (_ULCAST_(1) << 6) +/* Loongson-3 external timer bit */ +#define LOONGSON_CONF6_EXTIMER (_ULCAST_(1) << 7) +/* Loongson-3 SFB on/off bit, STFill in manual */ +#define LOONGSON_CONF6_SFBEN (_ULCAST_(1) << 8) +/* Loongson-3's LL on exclusive cacheline */ +#define LOONGSON_CONF6_LLEXC (_ULCAST_(1) << 16) +/* Loongson-3's SC has a random delay */ +#define LOONGSON_CONF6_SCRAND (_ULCAST_(1) << 17) +/* Loongson-3 FTLB on/off bit, VTLBOnly in manual */ +#define LOONGSON_CONF6_FTLBDIS (_ULCAST_(1) << 22) + +#define MIPS_CONF7_WII (_ULCAST_(1) << 31) + +#define MIPS_CONF7_RPS (_ULCAST_(1) << 2) + +#define MIPS_CONF7_IAR (_ULCAST_(1) << 10) +#define MIPS_CONF7_AR (_ULCAST_(1) << 16) + +/* Ingenic HPTLB off bits */ +#define XBURST_PAGECTRL_HPTLB_DIS 0xa9000000 + +/* Ingenic Config7 bits */ +#define MIPS_CONF7_BTB_LOOP_EN (_ULCAST_(1) << 4) + +/* Config7 Bits specific to MIPS Technologies. */ + +/* Performance counters implemented Per TC */ +#define MTI_CONF7_PTC (_ULCAST_(1) << 19) + +/* WatchLo* register definitions */ +#define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0) + +/* WatchHi* register definitions */ +#define MIPS_WATCHHI_M (_ULCAST_(1) << 31) +#define MIPS_WATCHHI_G (_ULCAST_(1) << 30) +#define MIPS_WATCHHI_WM (_ULCAST_(0x3) << 28) +#define MIPS_WATCHHI_WM_R_RVA (_ULCAST_(0) << 28) +#define MIPS_WATCHHI_WM_R_GPA (_ULCAST_(1) << 28) +#define MIPS_WATCHHI_WM_G_GVA (_ULCAST_(2) << 28) +#define MIPS_WATCHHI_EAS (_ULCAST_(0x3) << 24) +#define MIPS_WATCHHI_ASID (_ULCAST_(0xff) << 16) +#define MIPS_WATCHHI_MASK (_ULCAST_(0x1ff) << 3) +#define MIPS_WATCHHI_I (_ULCAST_(1) << 2) +#define MIPS_WATCHHI_R (_ULCAST_(1) << 1) +#define MIPS_WATCHHI_W (_ULCAST_(1) << 0) +#define MIPS_WATCHHI_IRW (_ULCAST_(0x7) << 0) + +/* PerfCnt control register definitions */ +#define MIPS_PERFCTRL_EXL (_ULCAST_(1) << 0) +#define MIPS_PERFCTRL_K (_ULCAST_(1) << 1) +#define MIPS_PERFCTRL_S (_ULCAST_(1) << 2) +#define MIPS_PERFCTRL_U (_ULCAST_(1) << 3) +#define MIPS_PERFCTRL_IE (_ULCAST_(1) << 4) +#define MIPS_PERFCTRL_EVENT_S 5 +#define MIPS_PERFCTRL_EVENT (_ULCAST_(0x3ff) << MIPS_PERFCTRL_EVENT_S) +#define MIPS_PERFCTRL_PCTD (_ULCAST_(1) << 15) +#define MIPS_PERFCTRL_EC (_ULCAST_(0x3) << 23) +#define MIPS_PERFCTRL_EC_R (_ULCAST_(0) << 23) +#define MIPS_PERFCTRL_EC_RI (_ULCAST_(1) << 23) +#define MIPS_PERFCTRL_EC_G (_ULCAST_(2) << 23) +#define MIPS_PERFCTRL_EC_GRI (_ULCAST_(3) << 23) +#define MIPS_PERFCTRL_W (_ULCAST_(1) << 30) +#define MIPS_PERFCTRL_M (_ULCAST_(1) << 31) + +/* PerfCnt control register MT extensions used by MIPS cores */ +#define MIPS_PERFCTRL_VPEID_S 16 +#define MIPS_PERFCTRL_VPEID (_ULCAST_(0xf) << MIPS_PERFCTRL_VPEID_S) +#define MIPS_PERFCTRL_TCID_S 22 +#define MIPS_PERFCTRL_TCID (_ULCAST_(0xff) << MIPS_PERFCTRL_TCID_S) +#define MIPS_PERFCTRL_MT_EN (_ULCAST_(0x3) << 20) +#define MIPS_PERFCTRL_MT_EN_ALL (_ULCAST_(0) << 20) +#define MIPS_PERFCTRL_MT_EN_VPE (_ULCAST_(1) << 20) +#define MIPS_PERFCTRL_MT_EN_TC (_ULCAST_(2) << 20) + +/* PerfCnt control register MT extensions used by BMIPS5000 */ +#define BRCM_PERFCTRL_TC (_ULCAST_(1) << 30) + +/* PerfCnt control register MT extensions used by Netlogic XLR */ +#define XLR_PERFCTRL_ALLTHREADS (_ULCAST_(1) << 13) + +/* MAAR bit definitions */ +#define MIPS_MAAR_VH (_U64CAST_(1) << 63) +#define MIPS_MAAR_ADDR GENMASK_ULL(55, 12) +#define MIPS_MAAR_ADDR_SHIFT 12 +#define MIPS_MAAR_S (_ULCAST_(1) << 1) +#define MIPS_MAAR_VL (_ULCAST_(1) << 0) +#ifdef CONFIG_XPA +#define MIPS_MAAR_V (MIPS_MAAR_VH | MIPS_MAAR_VL) +#else +#define MIPS_MAAR_V MIPS_MAAR_VL +#endif +#define MIPS_MAARX_VH (_ULCAST_(1) << 31) +#define MIPS_MAARX_ADDR 0xF +#define MIPS_MAARX_ADDR_SHIFT 32 + +/* MAARI bit definitions */ +#define MIPS_MAARI_INDEX (_ULCAST_(0x3f) << 0) + +/* EBase bit definitions */ +#define MIPS_EBASE_CPUNUM_SHIFT 0 +#define MIPS_EBASE_CPUNUM (_ULCAST_(0x3ff) << 0) +#define MIPS_EBASE_WG_SHIFT 11 +#define MIPS_EBASE_WG (_ULCAST_(1) << 11) +#define MIPS_EBASE_BASE_SHIFT 12 +#define MIPS_EBASE_BASE (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1)) + +/* CMGCRBase bit definitions */ +#define MIPS_CMGCRB_BASE 11 +#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1)) + +/* LLAddr bit definitions */ +#define MIPS_LLADDR_LLB_SHIFT 0 +#define MIPS_LLADDR_LLB (_ULCAST_(1) << MIPS_LLADDR_LLB_SHIFT) + +/* + * Bits in the MIPS32 Memory Segmentation registers. + */ +#define MIPS_SEGCFG_PA_SHIFT 9 +#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT) +#define MIPS_SEGCFG_AM_SHIFT 4 +#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT) +#define MIPS_SEGCFG_EU_SHIFT 3 +#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT) +#define MIPS_SEGCFG_C_SHIFT 0 +#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT) + +#define MIPS_SEGCFG_UUSK _ULCAST_(7) +#define MIPS_SEGCFG_USK _ULCAST_(5) +#define MIPS_SEGCFG_MUSUK _ULCAST_(4) +#define MIPS_SEGCFG_MUSK _ULCAST_(3) +#define MIPS_SEGCFG_MSK _ULCAST_(2) +#define MIPS_SEGCFG_MK _ULCAST_(1) +#define MIPS_SEGCFG_UK _ULCAST_(0) + +#define MIPS_PWFIELD_GDI_SHIFT 24 +#define MIPS_PWFIELD_GDI_MASK 0x3f000000 +#define MIPS_PWFIELD_UDI_SHIFT 18 +#define MIPS_PWFIELD_UDI_MASK 0x00fc0000 +#define MIPS_PWFIELD_MDI_SHIFT 12 +#define MIPS_PWFIELD_MDI_MASK 0x0003f000 +#define MIPS_PWFIELD_PTI_SHIFT 6 +#define MIPS_PWFIELD_PTI_MASK 0x00000fc0 +#define MIPS_PWFIELD_PTEI_SHIFT 0 +#define MIPS_PWFIELD_PTEI_MASK 0x0000003f + +#define MIPS_PWSIZE_PS_SHIFT 30 +#define MIPS_PWSIZE_PS_MASK 0x40000000 +#define MIPS_PWSIZE_GDW_SHIFT 24 +#define MIPS_PWSIZE_GDW_MASK 0x3f000000 +#define MIPS_PWSIZE_UDW_SHIFT 18 +#define MIPS_PWSIZE_UDW_MASK 0x00fc0000 +#define MIPS_PWSIZE_MDW_SHIFT 12 +#define MIPS_PWSIZE_MDW_MASK 0x0003f000 +#define MIPS_PWSIZE_PTW_SHIFT 6 +#define MIPS_PWSIZE_PTW_MASK 0x00000fc0 +#define MIPS_PWSIZE_PTEW_SHIFT 0 +#define MIPS_PWSIZE_PTEW_MASK 0x0000003f + +#define MIPS_PWCTL_PWEN_SHIFT 31 +#define MIPS_PWCTL_PWEN_MASK 0x80000000 +#define MIPS_PWCTL_XK_SHIFT 28 +#define MIPS_PWCTL_XK_MASK 0x10000000 +#define MIPS_PWCTL_XS_SHIFT 27 +#define MIPS_PWCTL_XS_MASK 0x08000000 +#define MIPS_PWCTL_XU_SHIFT 26 +#define MIPS_PWCTL_XU_MASK 0x04000000 +#define MIPS_PWCTL_DPH_SHIFT 7 +#define MIPS_PWCTL_DPH_MASK 0x00000080 +#define MIPS_PWCTL_HUGEPG_SHIFT 6 +#define MIPS_PWCTL_HUGEPG_MASK 0x00000060 +#define MIPS_PWCTL_PSN_SHIFT 0 +#define MIPS_PWCTL_PSN_MASK 0x0000003f + +/* GuestCtl0 fields */ +#define MIPS_GCTL0_GM_SHIFT 31 +#define MIPS_GCTL0_GM (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT) +#define MIPS_GCTL0_RI_SHIFT 30 +#define MIPS_GCTL0_RI (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT) +#define MIPS_GCTL0_MC_SHIFT 29 +#define MIPS_GCTL0_MC (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT) +#define MIPS_GCTL0_CP0_SHIFT 28 +#define MIPS_GCTL0_CP0 (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT) +#define MIPS_GCTL0_AT_SHIFT 26 +#define MIPS_GCTL0_AT (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT) +#define MIPS_GCTL0_GT_SHIFT 25 +#define MIPS_GCTL0_GT (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT) +#define MIPS_GCTL0_CG_SHIFT 24 +#define MIPS_GCTL0_CG (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT) +#define MIPS_GCTL0_CF_SHIFT 23 +#define MIPS_GCTL0_CF (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT) +#define MIPS_GCTL0_G1_SHIFT 22 +#define MIPS_GCTL0_G1 (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT) +#define MIPS_GCTL0_G0E_SHIFT 19 +#define MIPS_GCTL0_G0E (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT) +#define MIPS_GCTL0_PT_SHIFT 18 +#define MIPS_GCTL0_PT (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT) +#define MIPS_GCTL0_RAD_SHIFT 9 +#define MIPS_GCTL0_RAD (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT) +#define MIPS_GCTL0_DRG_SHIFT 8 +#define MIPS_GCTL0_DRG (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT) +#define MIPS_GCTL0_G2_SHIFT 7 +#define MIPS_GCTL0_G2 (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT) +#define MIPS_GCTL0_GEXC_SHIFT 2 +#define MIPS_GCTL0_GEXC (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT) +#define MIPS_GCTL0_SFC2_SHIFT 1 +#define MIPS_GCTL0_SFC2 (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT) +#define MIPS_GCTL0_SFC1_SHIFT 0 +#define MIPS_GCTL0_SFC1 (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT) + +/* GuestCtl0.AT Guest address translation control */ +#define MIPS_GCTL0_AT_ROOT 1 /* Guest MMU under Root control */ +#define MIPS_GCTL0_AT_GUEST 3 /* Guest MMU under Guest control */ + +/* GuestCtl0.GExcCode Hypervisor exception cause codes */ +#define MIPS_GCTL0_GEXC_GPSI 0 /* Guest Privileged Sensitive Instruction */ +#define MIPS_GCTL0_GEXC_GSFC 1 /* Guest Software Field Change */ +#define MIPS_GCTL0_GEXC_HC 2 /* Hypercall */ +#define MIPS_GCTL0_GEXC_GRR 3 /* Guest Reserved Instruction Redirect */ +#define MIPS_GCTL0_GEXC_GVA 8 /* Guest Virtual Address available */ +#define MIPS_GCTL0_GEXC_GHFC 9 /* Guest Hardware Field Change */ +#define MIPS_GCTL0_GEXC_GPA 10 /* Guest Physical Address available */ + +/* GuestCtl0Ext fields */ +#define MIPS_GCTL0EXT_RPW_SHIFT 8 +#define MIPS_GCTL0EXT_RPW (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT) +#define MIPS_GCTL0EXT_NCC_SHIFT 6 +#define MIPS_GCTL0EXT_NCC (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT) +#define MIPS_GCTL0EXT_CGI_SHIFT 4 +#define MIPS_GCTL0EXT_CGI (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT) +#define MIPS_GCTL0EXT_FCD_SHIFT 3 +#define MIPS_GCTL0EXT_FCD (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT) +#define MIPS_GCTL0EXT_OG_SHIFT 2 +#define MIPS_GCTL0EXT_OG (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT) +#define MIPS_GCTL0EXT_BG_SHIFT 1 +#define MIPS_GCTL0EXT_BG (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT) +#define MIPS_GCTL0EXT_MG_SHIFT 0 +#define MIPS_GCTL0EXT_MG (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT) + +/* GuestCtl0Ext.RPW Root page walk configuration */ +#define MIPS_GCTL0EXT_RPW_BOTH 0 /* Root PW for GPA->RPA and RVA->RPA */ +#define MIPS_GCTL0EXT_RPW_GPA 2 /* Root PW for GPA->RPA */ +#define MIPS_GCTL0EXT_RPW_RVA 3 /* Root PW for RVA->RPA */ + +/* GuestCtl0Ext.NCC Nested cache coherency attributes */ +#define MIPS_GCTL0EXT_NCC_IND 0 /* Guest CCA independent of Root CCA */ +#define MIPS_GCTL0EXT_NCC_MOD 1 /* Guest CCA modified by Root CCA */ + +/* GuestCtl1 fields */ +#define MIPS_GCTL1_ID_SHIFT 0 +#define MIPS_GCTL1_ID_WIDTH 8 +#define MIPS_GCTL1_ID (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT) +#define MIPS_GCTL1_RID_SHIFT 16 +#define MIPS_GCTL1_RID_WIDTH 8 +#define MIPS_GCTL1_RID (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT) +#define MIPS_GCTL1_EID_SHIFT 24 +#define MIPS_GCTL1_EID_WIDTH 8 +#define MIPS_GCTL1_EID (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT) + +/* GuestID reserved for root context */ +#define MIPS_GCTL1_ROOT_GUESTID 0 + +/* CDMMBase register bit definitions */ +#define MIPS_CDMMBASE_SIZE_SHIFT 0 +#define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT) +#define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9) +#define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10) +#define MIPS_CDMMBASE_ADDR_SHIFT 11 +#define MIPS_CDMMBASE_ADDR_START 15 + +/* RDHWR register numbers */ +#define MIPS_HWR_CPUNUM 0 /* CPU number */ +#define MIPS_HWR_SYNCISTEP 1 /* SYNCI step size */ +#define MIPS_HWR_CC 2 /* Cycle counter */ +#define MIPS_HWR_CCRES 3 /* Cycle counter resolution */ +#define MIPS_HWR_ULR 29 /* UserLocal */ +#define MIPS_HWR_IMPL1 30 /* Implementation dependent */ +#define MIPS_HWR_IMPL2 31 /* Implementation dependent */ + +/* Bits in HWREna register */ +#define MIPS_HWRENA_CPUNUM (_ULCAST_(1) << MIPS_HWR_CPUNUM) +#define MIPS_HWRENA_SYNCISTEP (_ULCAST_(1) << MIPS_HWR_SYNCISTEP) +#define MIPS_HWRENA_CC (_ULCAST_(1) << MIPS_HWR_CC) +#define MIPS_HWRENA_CCRES (_ULCAST_(1) << MIPS_HWR_CCRES) +#define MIPS_HWRENA_ULR (_ULCAST_(1) << MIPS_HWR_ULR) +#define MIPS_HWRENA_IMPL1 (_ULCAST_(1) << MIPS_HWR_IMPL1) +#define MIPS_HWRENA_IMPL2 (_ULCAST_(1) << MIPS_HWR_IMPL2) + +/* + * 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 + +/* + * Interesting Bits in the R10K CP0 Branch Diagnostic Register + */ +/* Disable Branch Target Address Cache */ +#define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27) +/* Enable Branch Prediction Global History */ +#define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26) +/* Disable Branch Return Cache */ +#define R10K_DIAG_D_BRC (_ULCAST_(1) << 22) + +/* Flush BTB */ +#define LOONGSON_DIAG_BTB (_ULCAST_(1) << 1) +/* Flush ITLB */ +#define LOONGSON_DIAG_ITLB (_ULCAST_(1) << 2) +/* Flush DTLB */ +#define LOONGSON_DIAG_DTLB (_ULCAST_(1) << 3) +/* Allow some CACHE instructions (CACHE0, 1, 3, 21 and 23) in user mode */ +#define LOONGSON_DIAG_UCAC (_ULCAST_(1) << 8) +/* Flush VTLB */ +#define LOONGSON_DIAG_VTLB (_ULCAST_(1) << 12) +/* Flush FTLB */ +#define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13) + +/* + * Diag1 (GSCause in Loongson-speak) fields + */ +/* Loongson-specific exception code (GSExcCode) */ +#define LOONGSON_DIAG1_EXCCODE_SHIFT 2 +#define LOONGSON_DIAG1_EXCCODE GENMASK(6, 2) + +/* CvmCtl register field definitions */ +#define CVMCTL_IPPCI_SHIFT 7 +#define CVMCTL_IPPCI (_U64CAST_(0x7) << CVMCTL_IPPCI_SHIFT) +#define CVMCTL_IPTI_SHIFT 4 +#define CVMCTL_IPTI (_U64CAST_(0x7) << CVMCTL_IPTI_SHIFT) + +/* CvmMemCtl2 register field definitions */ +#define CVMMEMCTL2_INHIBITTS (_U64CAST_(1) << 17) + +/* CvmVMConfig register field definitions */ +#define CVMVMCONF_DGHT (_U64CAST_(1) << 60) +#define CVMVMCONF_MMUSIZEM1_S 12 +#define CVMVMCONF_MMUSIZEM1 (_U64CAST_(0xff) << CVMVMCONF_MMUSIZEM1_S) +#define CVMVMCONF_RMMUSIZEM1_S 0 +#define CVMVMCONF_RMMUSIZEM1 (_U64CAST_(0xff) << CVMVMCONF_RMMUSIZEM1_S) + +/* Debug register field definitions */ +#define MIPS_DEBUG_DBP_SHIFT 1 +#define MIPS_DEBUG_DBP (_ULCAST_(1) << MIPS_DEBUG_DBP_SHIFT) + +/* + * Coprocessor 1 (FPU) register names + */ +#define CP1_REVISION $0 +#define CP1_UFR $1 +#define CP1_UNFR $4 +#define CP1_FCCR $25 +#define CP1_FEXR $26 +#define CP1_FENR $28 +#define CP1_STATUS $31 + + +/* + * 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) +#define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23) +#define MIPS_FPIR_UFRP (_ULCAST_(1) << 28) +#define MIPS_FPIR_FREP (_ULCAST_(1) << 29) + +/* + * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register. + */ +#define MIPS_FCCR_CONDX_S 0 +#define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S) +#define MIPS_FCCR_COND0_S 0 +#define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S) +#define MIPS_FCCR_COND1_S 1 +#define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S) +#define MIPS_FCCR_COND2_S 2 +#define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S) +#define MIPS_FCCR_COND3_S 3 +#define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S) +#define MIPS_FCCR_COND4_S 4 +#define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S) +#define MIPS_FCCR_COND5_S 5 +#define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S) +#define MIPS_FCCR_COND6_S 6 +#define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S) +#define MIPS_FCCR_COND7_S 7 +#define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S) + +/* + * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register. + */ +#define MIPS_FENR_FS_S 2 +#define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S) + +/* + * FPU Status Register Values + */ +#define FPU_CSR_COND_S 23 /* $fcc0 */ +#define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S) + +#define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */ +#define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S) + +#define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */ +#define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S) +#define FPU_CSR_COND1_S 25 /* $fcc1 */ +#define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S) +#define FPU_CSR_COND2_S 26 /* $fcc2 */ +#define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S) +#define FPU_CSR_COND3_S 27 /* $fcc3 */ +#define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S) +#define FPU_CSR_COND4_S 28 /* $fcc4 */ +#define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S) +#define FPU_CSR_COND5_S 29 /* $fcc5 */ +#define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S) +#define FPU_CSR_COND6_S 30 /* $fcc6 */ +#define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S) +#define FPU_CSR_COND7_S 31 /* $fcc7 */ +#define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S) + +/* + * Bits 22:20 of the FPU Status Register will be read as 0, + * and should be written as zero. + * MAC2008 was removed in Release 5 so we still treat it as + * reserved. + */ +#define FPU_CSR_RSVD (_ULCAST_(7) << 20) + +#define FPU_CSR_MAC2008 (_ULCAST_(1) << 20) +#define FPU_CSR_ABS2008 (_ULCAST_(1) << 19) +#define FPU_CSR_NAN2008 (_ULCAST_(1) << 18) + +/* + * 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 + +/* Bits 0 and 1 of FPU Status Register specify the rounding mode */ +#define FPU_CSR_RM 0x00000003 +#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 */ + + +#ifndef __ASSEMBLY__ + +/* + * Macros for handling the ISA mode bit for MIPS16 and microMIPS. + */ +#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \ + defined(CONFIG_SYS_SUPPORTS_MICROMIPS) +#define get_isa16_mode(x) ((x) & 0x1) +#define msk_isa16_mode(x) ((x) & ~0x1) +#define set_isa16_mode(x) do { (x) |= 0x1; } while(0) +#else +#define get_isa16_mode(x) 0 +#define msk_isa16_mode(x) (x) +#define set_isa16_mode(x) do { } while(0) +#endif + +/* + * microMIPS instructions can be 16-bit or 32-bit in length. This + * returns a 1 if the instruction is 16-bit and a 0 if 32-bit. + */ +static inline int mm_insn_16bit(u16 insn) +{ + u16 opcode = (insn >> 10) & 0x7; + + return (opcode >= 1 && opcode <= 3) ? 1 : 0; +} + +/* + * Helper macros for generating raw instruction encodings in inline asm. + */ +#ifdef CONFIG_CPU_MICROMIPS +#define _ASM_INSN16_IF_MM(_enc) \ + ".insn\n\t" \ + ".hword (" #_enc ")\n\t" +#define _ASM_INSN32_IF_MM(_enc) \ + ".insn\n\t" \ + ".hword ((" #_enc ") >> 16)\n\t" \ + ".hword ((" #_enc ") & 0xffff)\n\t" +#else +#define _ASM_INSN_IF_MIPS(_enc) \ + ".insn\n\t" \ + ".word (" #_enc ")\n\t" +#endif + +#ifndef _ASM_INSN16_IF_MM +#define _ASM_INSN16_IF_MM(_enc) +#endif +#ifndef _ASM_INSN32_IF_MM +#define _ASM_INSN32_IF_MM(_enc) +#endif +#ifndef _ASM_INSN_IF_MIPS +#define _ASM_INSN_IF_MIPS(_enc) +#endif + +/* + * parse_r var, r - Helper assembler macro for parsing register names. + * + * This converts the register name in $n form provided in \r to the + * corresponding register number, which is assigned to the variable \var. It is + * needed to allow explicit encoding of instructions in inline assembly where + * registers are chosen by the compiler in $n form, allowing us to avoid using + * fixed register numbers. + * + * It also allows newer instructions (not implemented by the assembler) to be + * transparently implemented using assembler macros, instead of needing separate + * cases depending on toolchain support. + * + * Simple usage example: + * __asm__ __volatile__("parse_r __rt, %0\n\t" + * ".insn\n\t" + * "# di %0\n\t" + * ".word (0x41606000 | (__rt << 16))" + * : "=r" (status); + */ + +/* Match an individual register number and assign to \var */ +#define _IFC_REG(n) \ + ".ifc \\r, $" #n "\n\t" \ + "\\var = " #n "\n\t" \ + ".endif\n\t" + +#define _ASM_SET_PARSE_R \ + ".macro parse_r var r\n\t" \ + "\\var = -1\n\t" \ + _IFC_REG(0) _IFC_REG(1) _IFC_REG(2) _IFC_REG(3) \ + _IFC_REG(4) _IFC_REG(5) _IFC_REG(6) _IFC_REG(7) \ + _IFC_REG(8) _IFC_REG(9) _IFC_REG(10) _IFC_REG(11) \ + _IFC_REG(12) _IFC_REG(13) _IFC_REG(14) _IFC_REG(15) \ + _IFC_REG(16) _IFC_REG(17) _IFC_REG(18) _IFC_REG(19) \ + _IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23) \ + _IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27) \ + _IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31) \ + ".iflt \\var\n\t" \ + ".error \"Unable to parse register name \\r\"\n\t" \ + ".endif\n\t" \ + ".endm\n\t" +#define _ASM_UNSET_PARSE_R ".purgem parse_r\n\t" + +/* + * C macros for generating assembler macros for common instruction formats. + * + * The names of the operands can be chosen by the caller, and the encoding of + * register operand \<Rn> is assigned to __<Rn> where it can be accessed from + * the ENC encodings. + */ + +/* Instructions with 1 register operand & 1 immediate operand */ +#define _ASM_MACRO_1R1I(OP, R1, I2, ENC) \ + ".macro " #OP " " #R1 ", " #I2 "\n\t" \ + _ASM_SET_PARSE_R \ + "parse_r __" #R1 ", \\" #R1 "\n\t" \ + ENC \ + _ASM_UNSET_PARSE_R \ + ".endm\n\t" + +/* Instructions with 2 register operands */ +#define _ASM_MACRO_2R(OP, R1, R2, ENC) \ + ".macro " #OP " " #R1 ", " #R2 "\n\t" \ + _ASM_SET_PARSE_R \ + "parse_r __" #R1 ", \\" #R1 "\n\t" \ + "parse_r __" #R2 ", \\" #R2 "\n\t" \ + ENC \ + _ASM_UNSET_PARSE_R \ + ".endm\n\t" + +/* Instructions with 3 register operands */ +#define _ASM_MACRO_3R(OP, R1, R2, R3, ENC) \ + ".macro " #OP " " #R1 ", " #R2 ", " #R3 "\n\t" \ + _ASM_SET_PARSE_R \ + "parse_r __" #R1 ", \\" #R1 "\n\t" \ + "parse_r __" #R2 ", \\" #R2 "\n\t" \ + "parse_r __" #R3 ", \\" #R3 "\n\t" \ + ENC \ + _ASM_UNSET_PARSE_R \ + ".endm\n\t" + +/* Instructions with 2 register operands and 1 optional select operand */ +#define _ASM_MACRO_2R_1S(OP, R1, R2, SEL3, ENC) \ + ".macro " #OP " " #R1 ", " #R2 ", " #SEL3 " = 0\n\t" \ + _ASM_SET_PARSE_R \ + "parse_r __" #R1 ", \\" #R1 "\n\t" \ + "parse_r __" #R2 ", \\" #R2 "\n\t" \ + ENC \ + _ASM_UNSET_PARSE_R \ + ".endm\n\t" + +/* + * TLB Invalidate Flush + */ +static inline void tlbinvf(void) +{ + __asm__ __volatile__( + ".set push\n\t" + ".set noreorder\n\t" + "# tlbinvf\n\t" + _ASM_INSN_IF_MIPS(0x42000004) + _ASM_INSN32_IF_MM(0x0000537c) + ".set pop"); +} + + +/* + * 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, vol) \ +({ unsigned int __res; \ + if (sel == 0) \ + __asm__ vol( \ + "mfc0\t%0, " #source "\n\t" \ + : "=r" (__res)); \ + else \ + __asm__ vol( \ + ".set\tpush\n\t" \ + ".set\tmips32\n\t" \ + "mfc0\t%0, " #source ", " #sel "\n\t" \ + ".set\tpop\n\t" \ + : "=r" (__res)); \ + __res; \ +}) + +#define ___read_64bit_c0_register(source, sel, vol) \ +({ unsigned long long __res; \ + if (sizeof(unsigned long) == 4) \ + __res = __read_64bit_c0_split(source, sel, vol); \ + else if (sel == 0) \ + __asm__ vol( \ + ".set\tpush\n\t" \ + ".set\tmips3\n\t" \ + "dmfc0\t%0, " #source "\n\t" \ + ".set\tpop" \ + : "=r" (__res)); \ + else \ + __asm__ vol( \ + ".set\tpush\n\t" \ + ".set\tmips64\n\t" \ + "dmfc0\t%0, " #source ", " #sel "\n\t" \ + ".set\tpop" \ + : "=r" (__res)); \ + __res; \ +}) + +#define __read_32bit_c0_register(source, sel) \ + ___read_32bit_c0_register(source, sel, __volatile__) + +#define __read_const_32bit_c0_register(source, sel) \ + ___read_32bit_c0_register(source, sel,) + +#define __read_64bit_c0_register(source, sel) \ + ___read_64bit_c0_register(source, sel, __volatile__) + +#define __read_const_64bit_c0_register(source, sel) \ + ___read_64bit_c0_register(source, sel,) + +#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\tpush\n\t" \ + ".set\tmips32\n\t" \ + "mtc0\t%z0, " #register ", " #sel "\n\t" \ + ".set\tpop" \ + : : "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\tpush\n\t" \ + ".set\tmips3\n\t" \ + "dmtc0\t%z0, " #register "\n\t" \ + ".set\tpop" \ + : : "Jr" (value)); \ + else \ + __asm__ __volatile__( \ + ".set\tpush\n\t" \ + ".set\tmips64\n\t" \ + "dmtc0\t%z0, " #register ", " #sel "\n\t" \ + ".set\tpop" \ + : : "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 __read_const_ulong_c0_register(reg, sel) \ + ((sizeof(unsigned long) == 4) ? \ + (unsigned long) __read_const_32bit_c0_register(reg, sel) : \ + (unsigned long) __read_const_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) \ +({ unsigned 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, vol) \ +({ \ + unsigned long long __val; \ + unsigned long __flags; \ + \ + local_irq_save(__flags); \ + if (sel == 0) \ + __asm__ vol( \ + ".set\tpush\n\t" \ + ".set\tmips64\n\t" \ + "dmfc0\t%L0, " #source "\n\t" \ + "dsra\t%M0, %L0, 32\n\t" \ + "sll\t%L0, %L0, 0\n\t" \ + ".set\tpop" \ + : "=r" (__val)); \ + else \ + __asm__ vol( \ + ".set\tpush\n\t" \ + ".set\tmips64\n\t" \ + "dmfc0\t%L0, " #source ", " #sel "\n\t" \ + "dsra\t%M0, %L0, 32\n\t" \ + "sll\t%L0, %L0, 0\n\t" \ + ".set\tpop" \ + : "=r" (__val)); \ + local_irq_restore(__flags); \ + \ + __val; \ +}) + +#define __write_64bit_c0_split(source, sel, val) \ +do { \ + unsigned long long __tmp = (val); \ + unsigned long __flags; \ + \ + local_irq_save(__flags); \ + if (MIPS_ISA_REV >= 2) \ + __asm__ __volatile__( \ + ".set\tpush\n\t" \ + ".set\t" MIPS_ISA_LEVEL "\n\t" \ + "dins\t%L0, %M0, 32, 32\n\t" \ + "dmtc0\t%L0, " #source ", " #sel "\n\t" \ + ".set\tpop" \ + : "+r" (__tmp)); \ + else if (sel == 0) \ + __asm__ __volatile__( \ + ".set\tpush\n\t" \ + ".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\tpop" \ + : "+r" (__tmp)); \ + else \ + __asm__ __volatile__( \ + ".set\tpush\n\t" \ + ".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\tpop" \ + : "+r" (__tmp)); \ + local_irq_restore(__flags); \ +} while (0) + +#ifndef TOOLCHAIN_SUPPORTS_XPA +#define _ASM_SET_MFHC0 \ + _ASM_MACRO_2R_1S(mfhc0, rt, rs, sel, \ + _ASM_INSN_IF_MIPS(0x40400000 | __rt << 16 | __rs << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x000000f4 | __rt << 21 | __rs << 16 | \\sel << 11)) +#define _ASM_UNSET_MFHC0 ".purgem mfhc0\n\t" +#define _ASM_SET_MTHC0 \ + _ASM_MACRO_2R_1S(mthc0, rt, rd, sel, \ + _ASM_INSN_IF_MIPS(0x40c00000 | __rt << 16 | __rd << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x000002f4 | __rt << 21 | __rd << 16 | \\sel << 11)) +#define _ASM_UNSET_MTHC0 ".purgem mthc0\n\t" +#else /* !TOOLCHAIN_SUPPORTS_XPA */ +#define _ASM_SET_MFHC0 ".set\txpa\n\t" +#define _ASM_SET_MTHC0 ".set\txpa\n\t" +#define _ASM_UNSET_MFHC0 +#define _ASM_UNSET_MTHC0 +#endif + +#define __readx_32bit_c0_register(source, sel) \ +({ \ + unsigned int __res; \ + \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set mips32r2 \n" \ + _ASM_SET_MFHC0 \ + " mfhc0 %0, " #source ", %1 \n" \ + _ASM_UNSET_MFHC0 \ + " .set pop \n" \ + : "=r" (__res) \ + : "i" (sel)); \ + __res; \ +}) + +#define __writex_32bit_c0_register(register, sel, value) \ +do { \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set mips32r2 \n" \ + _ASM_SET_MTHC0 \ + " mthc0 %z0, " #register ", %1 \n" \ + _ASM_UNSET_MTHC0 \ + " .set pop \n" \ + : \ + : "Jr" (value), "i" (sel)); \ +} 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 readx_c0_entrylo0() __readx_32bit_c0_register($2, 0) +#define writex_c0_entrylo0(val) __writex_32bit_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 readx_c0_entrylo1() __readx_32bit_c0_register($3, 0) +#define writex_c0_entrylo1(val) __writex_32bit_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_globalnumber() __read_32bit_c0_register($3, 1) + +#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_contextconfig() __read_32bit_c0_register($4, 1) +#define write_c0_contextconfig(val) __write_32bit_c0_register($4, 1, 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_xcontextconfig() __read_ulong_c0_register($4, 3) +#define write_c0_xcontextconfig(val) __write_ulong_c0_register($4, 3, val) + +#define read_c0_memorymapid() __read_32bit_c0_register($4, 5) +#define write_c0_memorymapid(val) __write_32bit_c0_register($4, 5, 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_pagegrain() __read_32bit_c0_register($5, 1) +#define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, 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_badinstr() __read_32bit_c0_register($8, 1) +#define read_c0_badinstrp() __read_32bit_c0_register($8, 2) + +#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_entryhi() __read_ulong_c0_register($10, 0) +#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val) + +#define read_c0_guestctl1() __read_32bit_c0_register($10, 4) +#define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val) + +#define read_c0_guestctl2() __read_32bit_c0_register($10, 5) +#define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val) + +#define read_c0_guestctl3() __read_32bit_c0_register($10, 6) +#define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, 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_guestctl0ext() __read_32bit_c0_register($11, 4) +#define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val) + +#define read_c0_status() __read_32bit_c0_register($12, 0) + +#define write_c0_status(val) __write_32bit_c0_register($12, 0, val) + +#define read_c0_guestctl0() __read_32bit_c0_register($12, 6) +#define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val) + +#define read_c0_gtoffset() __read_32bit_c0_register($12, 7) +#define write_c0_gtoffset(val) __write_32bit_c0_register($12, 7, val) + +#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_const_32bit_c0_register($15, 0) + +#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3) + +#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) + +#define read_c0_lladdr() __read_ulong_c0_register($17, 0) +#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val) +#define read_c0_maar() __read_ulong_c0_register($17, 1) +#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val) +#define readx_c0_maar() __readx_32bit_c0_register($17, 1) +#define writex_c0_maar(val) __writex_32bit_c0_register($17, 1, val) +#define read_c0_maari() __read_32bit_c0_register($17, 2) +#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val) + +/* + * The WatchLo register. There may be up to 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 up to 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) + +#define read_c0_diag() __read_32bit_c0_register($22, 0) +#define write_c0_diag(val) __write_32bit_c0_register($22, 0, val) + +/* R10K CP0 Branch Diagnostic register is 64bits wide */ +#define read_c0_r10k_diag() __read_64bit_c0_register($22, 0) +#define write_c0_r10k_diag(val) __write_64bit_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_perfcntr0_64() __read_64bit_c0_register($25, 1) +#define write_c0_perfcntr0_64(val) __write_64bit_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_perfcntr1_64() __read_64bit_c0_register($25, 3) +#define write_c0_perfcntr1_64(val) __write_64bit_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_perfcntr2_64() __read_64bit_c0_register($25, 5) +#define write_c0_perfcntr2_64(val) __write_64bit_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) +#define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7) +#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, 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_ddatalo() __read_32bit_c0_register($28, 3) +#define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val) + +#define read_c0_staglo() __read_32bit_c0_register($28, 4) +#define write_c0_staglo(val) __write_32bit_c0_register($28, 4, 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) + +#define read_c0_ebase_64() __read_64bit_c0_register($15, 1) +#define write_c0_ebase_64(val) __write_64bit_c0_register($15, 1, val) + +#define read_c0_cdmmbase() __read_ulong_c0_register($15, 2) +#define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val) + +/* MIPSR3 */ +#define read_c0_segctl0() __read_32bit_c0_register($5, 2) +#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val) + +#define read_c0_segctl1() __read_32bit_c0_register($5, 3) +#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val) + +#define read_c0_segctl2() __read_32bit_c0_register($5, 4) +#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val) + +/* Hardware Page Table Walker */ +#define read_c0_pwbase() __read_ulong_c0_register($5, 5) +#define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val) + +#define read_c0_pwfield() __read_ulong_c0_register($5, 6) +#define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val) + +#define read_c0_pwsize() __read_ulong_c0_register($5, 7) +#define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val) + +#define read_c0_pwctl() __read_32bit_c0_register($6, 6) +#define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val) + +#define read_c0_pgd() __read_64bit_c0_register($9, 7) +#define write_c0_pgd(val) __write_64bit_c0_register($9, 7, val) + +#define read_c0_kpgd() __read_64bit_c0_register($31, 7) +#define write_c0_kpgd(val) __write_64bit_c0_register($31, 7, val) + +/* Cavium OCTEON (cnMIPS) */ +#define read_c0_cvmcount() __read_ulong_c0_register($9, 6) +#define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val) + +#define read_c0_cvmctl() __read_64bit_c0_register($9, 7) +#define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val) + +#define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7) +#define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val) + +#define read_c0_cvmmemctl2() __read_64bit_c0_register($16, 6) +#define write_c0_cvmmemctl2(val) __write_64bit_c0_register($16, 6, val) + +#define read_c0_cvmvmconfig() __read_64bit_c0_register($16, 7) +#define write_c0_cvmvmconfig(val) __write_64bit_c0_register($16, 7, val) + +/* + * The cacheerr registers are not standardized. On OCTEON, they are + * 64 bits wide. + */ +#define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0) +#define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val) + +#define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1) +#define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val) + +/* BMIPS3300 */ +#define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0) +#define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val) + +#define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4) +#define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val) + +#define read_c0_brcm_reset() __read_32bit_c0_register($22, 5) +#define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val) + +/* BMIPS43xx */ +#define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1) +#define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val) + +#define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2) +#define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val) + +#define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3) +#define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val) + +#define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5) +#define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val) + +#define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6) +#define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val) + +/* BMIPS5000 */ +#define read_c0_brcm_config() __read_32bit_c0_register($22, 0) +#define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val) + +#define read_c0_brcm_mode() __read_32bit_c0_register($22, 1) +#define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val) + +#define read_c0_brcm_action() __read_32bit_c0_register($22, 2) +#define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val) + +#define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3) +#define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val) + +#define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4) +#define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val) + +#define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7) +#define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val) + +/* Ingenic page ctrl register */ +#define write_c0_page_ctrl(val) __write_32bit_c0_register($5, 4, val) + +/* + * Macros to access the guest system control coprocessor + */ + +#ifndef TOOLCHAIN_SUPPORTS_VIRT +#define _ASM_SET_MFGC0 \ + _ASM_MACRO_2R_1S(mfgc0, rt, rs, sel, \ + _ASM_INSN_IF_MIPS(0x40600000 | __rt << 16 | __rs << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x000004fc | __rt << 21 | __rs << 16 | \\sel << 11)) +#define _ASM_UNSET_MFGC0 ".purgem mfgc0\n\t" +#define _ASM_SET_DMFGC0 \ + _ASM_MACRO_2R_1S(dmfgc0, rt, rs, sel, \ + _ASM_INSN_IF_MIPS(0x40600100 | __rt << 16 | __rs << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x580004fc | __rt << 21 | __rs << 16 | \\sel << 11)) +#define _ASM_UNSET_DMFGC0 ".purgem dmfgc0\n\t" +#define _ASM_SET_MTGC0 \ + _ASM_MACRO_2R_1S(mtgc0, rt, rd, sel, \ + _ASM_INSN_IF_MIPS(0x40600200 | __rt << 16 | __rd << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x000006fc | __rt << 21 | __rd << 16 | \\sel << 11)) +#define _ASM_UNSET_MTGC0 ".purgem mtgc0\n\t" +#define _ASM_SET_DMTGC0 \ + _ASM_MACRO_2R_1S(dmtgc0, rt, rd, sel, \ + _ASM_INSN_IF_MIPS(0x40600300 | __rt << 16 | __rd << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x580006fc | __rt << 21 | __rd << 16 | \\sel << 11)) +#define _ASM_UNSET_DMTGC0 ".purgem dmtgc0\n\t" + +#define __tlbgp() \ + _ASM_INSN_IF_MIPS(0x42000010) \ + _ASM_INSN32_IF_MM(0x0000017c) +#define __tlbgr() \ + _ASM_INSN_IF_MIPS(0x42000009) \ + _ASM_INSN32_IF_MM(0x0000117c) +#define __tlbgwi() \ + _ASM_INSN_IF_MIPS(0x4200000a) \ + _ASM_INSN32_IF_MM(0x0000217c) +#define __tlbgwr() \ + _ASM_INSN_IF_MIPS(0x4200000e) \ + _ASM_INSN32_IF_MM(0x0000317c) +#define __tlbginvf() \ + _ASM_INSN_IF_MIPS(0x4200000c) \ + _ASM_INSN32_IF_MM(0x0000517c) +#else /* !TOOLCHAIN_SUPPORTS_VIRT */ +#define _ASM_SET_VIRT ".set\tvirt\n\t" +#define _ASM_SET_MFGC0 _ASM_SET_VIRT +#define _ASM_SET_DMFGC0 _ASM_SET_VIRT +#define _ASM_SET_MTGC0 _ASM_SET_VIRT +#define _ASM_SET_DMTGC0 _ASM_SET_VIRT +#define _ASM_UNSET_MFGC0 +#define _ASM_UNSET_DMFGC0 +#define _ASM_UNSET_MTGC0 +#define _ASM_UNSET_DMTGC0 + +#define __tlbgp() _ASM_SET_VIRT "tlbgp\n\t" +#define __tlbgr() _ASM_SET_VIRT "tlbgr\n\t" +#define __tlbgwi() _ASM_SET_VIRT "tlbgwi\n\t" +#define __tlbgwr() _ASM_SET_VIRT "tlbgwr\n\t" +#define __tlbginvf() _ASM_SET_VIRT "tlbginvf\n\t" +#endif + +#define __read_32bit_gc0_register(source, sel) \ +({ int __res; \ + __asm__ __volatile__( \ + ".set\tpush\n\t" \ + ".set\tmips32r5\n\t" \ + _ASM_SET_MFGC0 \ + "mfgc0\t%0, " #source ", %1\n\t" \ + _ASM_UNSET_MFGC0 \ + ".set\tpop" \ + : "=r" (__res) \ + : "i" (sel)); \ + __res; \ +}) + +#define __read_64bit_gc0_register(source, sel) \ +({ unsigned long long __res; \ + __asm__ __volatile__( \ + ".set\tpush\n\t" \ + ".set\tmips64r5\n\t" \ + _ASM_SET_DMFGC0 \ + "dmfgc0\t%0, " #source ", %1\n\t" \ + _ASM_UNSET_DMFGC0 \ + ".set\tpop" \ + : "=r" (__res) \ + : "i" (sel)); \ + __res; \ +}) + +#define __write_32bit_gc0_register(register, sel, value) \ +do { \ + __asm__ __volatile__( \ + ".set\tpush\n\t" \ + ".set\tmips32r5\n\t" \ + _ASM_SET_MTGC0 \ + "mtgc0\t%z0, " #register ", %1\n\t" \ + _ASM_UNSET_MTGC0 \ + ".set\tpop" \ + : : "Jr" ((unsigned int)(value)), \ + "i" (sel)); \ +} while (0) + +#define __write_64bit_gc0_register(register, sel, value) \ +do { \ + __asm__ __volatile__( \ + ".set\tpush\n\t" \ + ".set\tmips64r5\n\t" \ + _ASM_SET_DMTGC0 \ + "dmtgc0\t%z0, " #register ", %1\n\t" \ + _ASM_UNSET_DMTGC0 \ + ".set\tpop" \ + : : "Jr" (value), \ + "i" (sel)); \ +} while (0) + +#define __read_ulong_gc0_register(reg, sel) \ + ((sizeof(unsigned long) == 4) ? \ + (unsigned long) __read_32bit_gc0_register(reg, sel) : \ + (unsigned long) __read_64bit_gc0_register(reg, sel)) + +#define __write_ulong_gc0_register(reg, sel, val) \ +do { \ + if (sizeof(unsigned long) == 4) \ + __write_32bit_gc0_register(reg, sel, val); \ + else \ + __write_64bit_gc0_register(reg, sel, val); \ +} while (0) + +#define read_gc0_index() __read_32bit_gc0_register($0, 0) +#define write_gc0_index(val) __write_32bit_gc0_register($0, 0, val) + +#define read_gc0_entrylo0() __read_ulong_gc0_register($2, 0) +#define write_gc0_entrylo0(val) __write_ulong_gc0_register($2, 0, val) + +#define read_gc0_entrylo1() __read_ulong_gc0_register($3, 0) +#define write_gc0_entrylo1(val) __write_ulong_gc0_register($3, 0, val) + +#define read_gc0_context() __read_ulong_gc0_register($4, 0) +#define write_gc0_context(val) __write_ulong_gc0_register($4, 0, val) + +#define read_gc0_contextconfig() __read_32bit_gc0_register($4, 1) +#define write_gc0_contextconfig(val) __write_32bit_gc0_register($4, 1, val) + +#define read_gc0_userlocal() __read_ulong_gc0_register($4, 2) +#define write_gc0_userlocal(val) __write_ulong_gc0_register($4, 2, val) + +#define read_gc0_xcontextconfig() __read_ulong_gc0_register($4, 3) +#define write_gc0_xcontextconfig(val) __write_ulong_gc0_register($4, 3, val) + +#define read_gc0_pagemask() __read_32bit_gc0_register($5, 0) +#define write_gc0_pagemask(val) __write_32bit_gc0_register($5, 0, val) + +#define read_gc0_pagegrain() __read_32bit_gc0_register($5, 1) +#define write_gc0_pagegrain(val) __write_32bit_gc0_register($5, 1, val) + +#define read_gc0_segctl0() __read_ulong_gc0_register($5, 2) +#define write_gc0_segctl0(val) __write_ulong_gc0_register($5, 2, val) + +#define read_gc0_segctl1() __read_ulong_gc0_register($5, 3) +#define write_gc0_segctl1(val) __write_ulong_gc0_register($5, 3, val) + +#define read_gc0_segctl2() __read_ulong_gc0_register($5, 4) +#define write_gc0_segctl2(val) __write_ulong_gc0_register($5, 4, val) + +#define read_gc0_pwbase() __read_ulong_gc0_register($5, 5) +#define write_gc0_pwbase(val) __write_ulong_gc0_register($5, 5, val) + +#define read_gc0_pwfield() __read_ulong_gc0_register($5, 6) +#define write_gc0_pwfield(val) __write_ulong_gc0_register($5, 6, val) + +#define read_gc0_pwsize() __read_ulong_gc0_register($5, 7) +#define write_gc0_pwsize(val) __write_ulong_gc0_register($5, 7, val) + +#define read_gc0_wired() __read_32bit_gc0_register($6, 0) +#define write_gc0_wired(val) __write_32bit_gc0_register($6, 0, val) + +#define read_gc0_pwctl() __read_32bit_gc0_register($6, 6) +#define write_gc0_pwctl(val) __write_32bit_gc0_register($6, 6, val) + +#define read_gc0_hwrena() __read_32bit_gc0_register($7, 0) +#define write_gc0_hwrena(val) __write_32bit_gc0_register($7, 0, val) + +#define read_gc0_badvaddr() __read_ulong_gc0_register($8, 0) +#define write_gc0_badvaddr(val) __write_ulong_gc0_register($8, 0, val) + +#define read_gc0_badinstr() __read_32bit_gc0_register($8, 1) +#define write_gc0_badinstr(val) __write_32bit_gc0_register($8, 1, val) + +#define read_gc0_badinstrp() __read_32bit_gc0_register($8, 2) +#define write_gc0_badinstrp(val) __write_32bit_gc0_register($8, 2, val) + +#define read_gc0_count() __read_32bit_gc0_register($9, 0) + +#define read_gc0_entryhi() __read_ulong_gc0_register($10, 0) +#define write_gc0_entryhi(val) __write_ulong_gc0_register($10, 0, val) + +#define read_gc0_compare() __read_32bit_gc0_register($11, 0) +#define write_gc0_compare(val) __write_32bit_gc0_register($11, 0, val) + +#define read_gc0_status() __read_32bit_gc0_register($12, 0) +#define write_gc0_status(val) __write_32bit_gc0_register($12, 0, val) + +#define read_gc0_intctl() __read_32bit_gc0_register($12, 1) +#define write_gc0_intctl(val) __write_32bit_gc0_register($12, 1, val) + +#define read_gc0_cause() __read_32bit_gc0_register($13, 0) +#define write_gc0_cause(val) __write_32bit_gc0_register($13, 0, val) + +#define read_gc0_epc() __read_ulong_gc0_register($14, 0) +#define write_gc0_epc(val) __write_ulong_gc0_register($14, 0, val) + +#define read_gc0_prid() __read_32bit_gc0_register($15, 0) + +#define read_gc0_ebase() __read_32bit_gc0_register($15, 1) +#define write_gc0_ebase(val) __write_32bit_gc0_register($15, 1, val) + +#define read_gc0_ebase_64() __read_64bit_gc0_register($15, 1) +#define write_gc0_ebase_64(val) __write_64bit_gc0_register($15, 1, val) + +#define read_gc0_config() __read_32bit_gc0_register($16, 0) +#define read_gc0_config1() __read_32bit_gc0_register($16, 1) +#define read_gc0_config2() __read_32bit_gc0_register($16, 2) +#define read_gc0_config3() __read_32bit_gc0_register($16, 3) +#define read_gc0_config4() __read_32bit_gc0_register($16, 4) +#define read_gc0_config5() __read_32bit_gc0_register($16, 5) +#define read_gc0_config6() __read_32bit_gc0_register($16, 6) +#define read_gc0_config7() __read_32bit_gc0_register($16, 7) +#define write_gc0_config(val) __write_32bit_gc0_register($16, 0, val) +#define write_gc0_config1(val) __write_32bit_gc0_register($16, 1, val) +#define write_gc0_config2(val) __write_32bit_gc0_register($16, 2, val) +#define write_gc0_config3(val) __write_32bit_gc0_register($16, 3, val) +#define write_gc0_config4(val) __write_32bit_gc0_register($16, 4, val) +#define write_gc0_config5(val) __write_32bit_gc0_register($16, 5, val) +#define write_gc0_config6(val) __write_32bit_gc0_register($16, 6, val) +#define write_gc0_config7(val) __write_32bit_gc0_register($16, 7, val) + +#define read_gc0_lladdr() __read_ulong_gc0_register($17, 0) +#define write_gc0_lladdr(val) __write_ulong_gc0_register($17, 0, val) + +#define read_gc0_watchlo0() __read_ulong_gc0_register($18, 0) +#define read_gc0_watchlo1() __read_ulong_gc0_register($18, 1) +#define read_gc0_watchlo2() __read_ulong_gc0_register($18, 2) +#define read_gc0_watchlo3() __read_ulong_gc0_register($18, 3) +#define read_gc0_watchlo4() __read_ulong_gc0_register($18, 4) +#define read_gc0_watchlo5() __read_ulong_gc0_register($18, 5) +#define read_gc0_watchlo6() __read_ulong_gc0_register($18, 6) +#define read_gc0_watchlo7() __read_ulong_gc0_register($18, 7) +#define write_gc0_watchlo0(val) __write_ulong_gc0_register($18, 0, val) +#define write_gc0_watchlo1(val) __write_ulong_gc0_register($18, 1, val) +#define write_gc0_watchlo2(val) __write_ulong_gc0_register($18, 2, val) +#define write_gc0_watchlo3(val) __write_ulong_gc0_register($18, 3, val) +#define write_gc0_watchlo4(val) __write_ulong_gc0_register($18, 4, val) +#define write_gc0_watchlo5(val) __write_ulong_gc0_register($18, 5, val) +#define write_gc0_watchlo6(val) __write_ulong_gc0_register($18, 6, val) +#define write_gc0_watchlo7(val) __write_ulong_gc0_register($18, 7, val) + +#define read_gc0_watchhi0() __read_32bit_gc0_register($19, 0) +#define read_gc0_watchhi1() __read_32bit_gc0_register($19, 1) +#define read_gc0_watchhi2() __read_32bit_gc0_register($19, 2) +#define read_gc0_watchhi3() __read_32bit_gc0_register($19, 3) +#define read_gc0_watchhi4() __read_32bit_gc0_register($19, 4) +#define read_gc0_watchhi5() __read_32bit_gc0_register($19, 5) +#define read_gc0_watchhi6() __read_32bit_gc0_register($19, 6) +#define read_gc0_watchhi7() __read_32bit_gc0_register($19, 7) +#define write_gc0_watchhi0(val) __write_32bit_gc0_register($19, 0, val) +#define write_gc0_watchhi1(val) __write_32bit_gc0_register($19, 1, val) +#define write_gc0_watchhi2(val) __write_32bit_gc0_register($19, 2, val) +#define write_gc0_watchhi3(val) __write_32bit_gc0_register($19, 3, val) +#define write_gc0_watchhi4(val) __write_32bit_gc0_register($19, 4, val) +#define write_gc0_watchhi5(val) __write_32bit_gc0_register($19, 5, val) +#define write_gc0_watchhi6(val) __write_32bit_gc0_register($19, 6, val) +#define write_gc0_watchhi7(val) __write_32bit_gc0_register($19, 7, val) + +#define read_gc0_xcontext() __read_ulong_gc0_register($20, 0) +#define write_gc0_xcontext(val) __write_ulong_gc0_register($20, 0, val) + +#define read_gc0_perfctrl0() __read_32bit_gc0_register($25, 0) +#define write_gc0_perfctrl0(val) __write_32bit_gc0_register($25, 0, val) +#define read_gc0_perfcntr0() __read_32bit_gc0_register($25, 1) +#define write_gc0_perfcntr0(val) __write_32bit_gc0_register($25, 1, val) +#define read_gc0_perfcntr0_64() __read_64bit_gc0_register($25, 1) +#define write_gc0_perfcntr0_64(val) __write_64bit_gc0_register($25, 1, val) +#define read_gc0_perfctrl1() __read_32bit_gc0_register($25, 2) +#define write_gc0_perfctrl1(val) __write_32bit_gc0_register($25, 2, val) +#define read_gc0_perfcntr1() __read_32bit_gc0_register($25, 3) +#define write_gc0_perfcntr1(val) __write_32bit_gc0_register($25, 3, val) +#define read_gc0_perfcntr1_64() __read_64bit_gc0_register($25, 3) +#define write_gc0_perfcntr1_64(val) __write_64bit_gc0_register($25, 3, val) +#define read_gc0_perfctrl2() __read_32bit_gc0_register($25, 4) +#define write_gc0_perfctrl2(val) __write_32bit_gc0_register($25, 4, val) +#define read_gc0_perfcntr2() __read_32bit_gc0_register($25, 5) +#define write_gc0_perfcntr2(val) __write_32bit_gc0_register($25, 5, val) +#define read_gc0_perfcntr2_64() __read_64bit_gc0_register($25, 5) +#define write_gc0_perfcntr2_64(val) __write_64bit_gc0_register($25, 5, val) +#define read_gc0_perfctrl3() __read_32bit_gc0_register($25, 6) +#define write_gc0_perfctrl3(val) __write_32bit_gc0_register($25, 6, val) +#define read_gc0_perfcntr3() __read_32bit_gc0_register($25, 7) +#define write_gc0_perfcntr3(val) __write_32bit_gc0_register($25, 7, val) +#define read_gc0_perfcntr3_64() __read_64bit_gc0_register($25, 7) +#define write_gc0_perfcntr3_64(val) __write_64bit_gc0_register($25, 7, val) + +#define read_gc0_errorepc() __read_ulong_gc0_register($30, 0) +#define write_gc0_errorepc(val) __write_ulong_gc0_register($30, 0, val) + +#define read_gc0_kscratch1() __read_ulong_gc0_register($31, 2) +#define read_gc0_kscratch2() __read_ulong_gc0_register($31, 3) +#define read_gc0_kscratch3() __read_ulong_gc0_register($31, 4) +#define read_gc0_kscratch4() __read_ulong_gc0_register($31, 5) +#define read_gc0_kscratch5() __read_ulong_gc0_register($31, 6) +#define read_gc0_kscratch6() __read_ulong_gc0_register($31, 7) +#define write_gc0_kscratch1(val) __write_ulong_gc0_register($31, 2, val) +#define write_gc0_kscratch2(val) __write_ulong_gc0_register($31, 3, val) +#define write_gc0_kscratch3(val) __write_ulong_gc0_register($31, 4, val) +#define write_gc0_kscratch4(val) __write_ulong_gc0_register($31, 5, val) +#define write_gc0_kscratch5(val) __write_ulong_gc0_register($31, 6, val) +#define write_gc0_kscratch6(val) __write_ulong_gc0_register($31, 7, val) + +/* Cavium OCTEON (cnMIPS) */ +#define read_gc0_cvmcount() __read_ulong_gc0_register($9, 6) +#define write_gc0_cvmcount(val) __write_ulong_gc0_register($9, 6, val) + +#define read_gc0_cvmctl() __read_64bit_gc0_register($9, 7) +#define write_gc0_cvmctl(val) __write_64bit_gc0_register($9, 7, val) + +#define read_gc0_cvmmemctl() __read_64bit_gc0_register($11, 7) +#define write_gc0_cvmmemctl(val) __write_64bit_gc0_register($11, 7, val) + +#define read_gc0_cvmmemctl2() __read_64bit_gc0_register($16, 6) +#define write_gc0_cvmmemctl2(val) __write_64bit_gc0_register($16, 6, val) + +/* + * Macros to access the floating point coprocessor control registers + */ +#define _read_32bit_cp1_register(source, gas_hardfloat) \ +({ \ + unsigned int __res; \ + \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set reorder \n" \ + " # gas fails to assemble cfc1 for some archs, \n" \ + " # like Octeon. \n" \ + " .set mips1 \n" \ + " "STR(gas_hardfloat)" \n" \ + " cfc1 %0,"STR(source)" \n" \ + " .set pop \n" \ + : "=r" (__res)); \ + __res; \ +}) + +#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \ +do { \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set reorder \n" \ + " "STR(gas_hardfloat)" \n" \ + " ctc1 %0,"STR(dest)" \n" \ + " .set pop \n" \ + : : "r" (val)); \ +} while (0) + +#ifdef GAS_HAS_SET_HARDFLOAT +#define read_32bit_cp1_register(source) \ + _read_32bit_cp1_register(source, .set hardfloat) +#define write_32bit_cp1_register(dest, val) \ + _write_32bit_cp1_register(dest, val, .set hardfloat) +#else +#define read_32bit_cp1_register(source) \ + _read_32bit_cp1_register(source, ) +#define write_32bit_cp1_register(dest, val) \ + _write_32bit_cp1_register(dest, val, ) +#endif + +#ifdef TOOLCHAIN_SUPPORTS_DSP +#define rddsp(mask) \ +({ \ + unsigned int __dspctl; \ + \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " rddsp %0, %x1 \n" \ + " .set pop \n" \ + : "=r" (__dspctl) \ + : "i" (mask)); \ + __dspctl; \ +}) + +#define wrdsp(val, mask) \ +do { \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " wrdsp %0, %x1 \n" \ + " .set pop \n" \ + : \ + : "r" (val), "i" (mask)); \ +} while (0) + +#define mflo0() \ +({ \ + long mflo0; \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mflo %0, $ac0 \n" \ + " .set pop \n" \ + : "=r" (mflo0)); \ + mflo0; \ +}) + +#define mflo1() \ +({ \ + long mflo1; \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mflo %0, $ac1 \n" \ + " .set pop \n" \ + : "=r" (mflo1)); \ + mflo1; \ +}) + +#define mflo2() \ +({ \ + long mflo2; \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mflo %0, $ac2 \n" \ + " .set pop \n" \ + : "=r" (mflo2)); \ + mflo2; \ +}) + +#define mflo3() \ +({ \ + long mflo3; \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mflo %0, $ac3 \n" \ + " .set pop \n" \ + : "=r" (mflo3)); \ + mflo3; \ +}) + +#define mfhi0() \ +({ \ + long mfhi0; \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mfhi %0, $ac0 \n" \ + " .set pop \n" \ + : "=r" (mfhi0)); \ + mfhi0; \ +}) + +#define mfhi1() \ +({ \ + long mfhi1; \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mfhi %0, $ac1 \n" \ + " .set pop \n" \ + : "=r" (mfhi1)); \ + mfhi1; \ +}) + +#define mfhi2() \ +({ \ + long mfhi2; \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mfhi %0, $ac2 \n" \ + " .set pop \n" \ + : "=r" (mfhi2)); \ + mfhi2; \ +}) + +#define mfhi3() \ +({ \ + long mfhi3; \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mfhi %0, $ac3 \n" \ + " .set pop \n" \ + : "=r" (mfhi3)); \ + mfhi3; \ +}) + + +#define mtlo0(x) \ +({ \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mtlo %0, $ac0 \n" \ + " .set pop \n" \ + : \ + : "r" (x)); \ +}) + +#define mtlo1(x) \ +({ \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mtlo %0, $ac1 \n" \ + " .set pop \n" \ + : \ + : "r" (x)); \ +}) + +#define mtlo2(x) \ +({ \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mtlo %0, $ac2 \n" \ + " .set pop \n" \ + : \ + : "r" (x)); \ +}) + +#define mtlo3(x) \ +({ \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mtlo %0, $ac3 \n" \ + " .set pop \n" \ + : \ + : "r" (x)); \ +}) + +#define mthi0(x) \ +({ \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mthi %0, $ac0 \n" \ + " .set pop \n" \ + : \ + : "r" (x)); \ +}) + +#define mthi1(x) \ +({ \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mthi %0, $ac1 \n" \ + " .set pop \n" \ + : \ + : "r" (x)); \ +}) + +#define mthi2(x) \ +({ \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mthi %0, $ac2 \n" \ + " .set pop \n" \ + : \ + : "r" (x)); \ +}) + +#define mthi3(x) \ +({ \ + __asm__( \ + " .set push \n" \ + " .set " MIPS_ISA_LEVEL " \n" \ + " .set dsp \n" \ + " mthi %0, $ac3 \n" \ + " .set pop \n" \ + : \ + : "r" (x)); \ +}) + +#else + +#define rddsp(mask) \ +({ \ + unsigned int __res; \ + \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set noat \n" \ + " # rddsp $1, %x1 \n" \ + _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16)) \ + _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14)) \ + " 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" \ + _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11)) \ + _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14)) \ + " .set pop \n" \ + : \ + : "r" (val), "i" (mask)); \ +} while (0) + +#define _dsp_mfxxx(ins) \ +({ \ + unsigned long __treg; \ + \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set noat \n" \ + _ASM_INSN_IF_MIPS(0x00000810 | %X1) \ + _ASM_INSN32_IF_MM(0x0001007c | %x1) \ + " move %0, $1 \n" \ + " .set pop \n" \ + : "=r" (__treg) \ + : "i" (ins)); \ + __treg; \ +}) + +#define _dsp_mtxxx(val, ins) \ +do { \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set noat \n" \ + " move $1, %0 \n" \ + _ASM_INSN_IF_MIPS(0x00200011 | %X1) \ + _ASM_INSN32_IF_MM(0x0001207c | %x1) \ + " .set pop \n" \ + : \ + : "r" (val), "i" (ins)); \ +} while (0) + +#ifdef CONFIG_CPU_MICROMIPS + +#define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000) +#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000) + +#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000)) +#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000)) + +#else /* !CONFIG_CPU_MICROMIPS */ + +#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002) +#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000) + +#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002)) +#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000)) + +#endif /* CONFIG_CPU_MICROMIPS */ + +#define mflo0() _dsp_mflo(0) +#define mflo1() _dsp_mflo(1) +#define mflo2() _dsp_mflo(2) +#define mflo3() _dsp_mflo(3) + +#define mfhi0() _dsp_mfhi(0) +#define mfhi1() _dsp_mfhi(1) +#define mfhi2() _dsp_mfhi(2) +#define mfhi3() _dsp_mfhi(3) + +#define mtlo0(x) _dsp_mtlo(x, 0) +#define mtlo1(x) _dsp_mtlo(x, 1) +#define mtlo2(x) _dsp_mtlo(x, 2) +#define mtlo3(x) _dsp_mtlo(x, 3) + +#define mthi0(x) _dsp_mthi(x, 0) +#define mthi1(x) _dsp_mthi(x, 1) +#define mthi2(x) _dsp_mthi(x, 2) +#define mthi3(x) _dsp_mthi(x, 3) + +#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) +{ +#ifdef CONFIG_WAR_MIPS34K_MISSED_ITLB + 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"); + +#ifdef CONFIG_WAR_MIPS34K_MISSED_ITLB + 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"); +} + +/* + * Guest TLB operations. + * + * It is responsibility of the caller to take care of any TLB hazards. + */ +static inline void guest_tlb_probe(void) +{ + __asm__ __volatile__( + ".set push\n\t" + ".set noreorder\n\t" + __tlbgp() + ".set pop"); +} + +static inline void guest_tlb_read(void) +{ + __asm__ __volatile__( + ".set push\n\t" + ".set noreorder\n\t" + __tlbgr() + ".set pop"); +} + +static inline void guest_tlb_write_indexed(void) +{ + __asm__ __volatile__( + ".set push\n\t" + ".set noreorder\n\t" + __tlbgwi() + ".set pop"); +} + +static inline void guest_tlb_write_random(void) +{ + __asm__ __volatile__( + ".set push\n\t" + ".set noreorder\n\t" + __tlbgwr() + ".set pop"); +} + +/* + * Guest TLB Invalidate Flush + */ +static inline void guest_tlbinvf(void) +{ + __asm__ __volatile__( + ".set push\n\t" + ".set noreorder\n\t" + __tlbginvf() + ".set pop"); +} + +/* + * Manipulate bits in a register. + */ +#define __BUILD_SET_COMMON(name) \ +static inline unsigned int \ +set_##name(unsigned int set) \ +{ \ + unsigned int res, new; \ + \ + res = read_##name(); \ + new = res | set; \ + write_##name(new); \ + \ + return res; \ +} \ + \ +static inline unsigned int \ +clear_##name(unsigned int clear) \ +{ \ + unsigned int res, new; \ + \ + res = read_##name(); \ + new = res & ~clear; \ + write_##name(new); \ + \ + return res; \ +} \ + \ +static inline unsigned int \ +change_##name(unsigned int change, unsigned int val) \ +{ \ + unsigned int res, new; \ + \ + res = read_##name(); \ + new = res & ~change; \ + new |= (val & change); \ + write_##name(new); \ + \ + return res; \ +} + +/* + * Manipulate bits in a c0 register. + */ +#define __BUILD_SET_C0(name) __BUILD_SET_COMMON(c0_##name) + +__BUILD_SET_C0(status) +__BUILD_SET_C0(cause) +__BUILD_SET_C0(config) +__BUILD_SET_C0(config5) +__BUILD_SET_C0(config6) +__BUILD_SET_C0(config7) +__BUILD_SET_C0(diag) +__BUILD_SET_C0(intcontrol) +__BUILD_SET_C0(intctl) +__BUILD_SET_C0(srsmap) +__BUILD_SET_C0(pagegrain) +__BUILD_SET_C0(guestctl0) +__BUILD_SET_C0(guestctl0ext) +__BUILD_SET_C0(guestctl1) +__BUILD_SET_C0(guestctl2) +__BUILD_SET_C0(guestctl3) +__BUILD_SET_C0(brcm_config_0) +__BUILD_SET_C0(brcm_bus_pll) +__BUILD_SET_C0(brcm_reset) +__BUILD_SET_C0(brcm_cmt_intr) +__BUILD_SET_C0(brcm_cmt_ctrl) +__BUILD_SET_C0(brcm_config) +__BUILD_SET_C0(brcm_mode) + +/* + * Manipulate bits in a guest c0 register. + */ +#define __BUILD_SET_GC0(name) __BUILD_SET_COMMON(gc0_##name) + +__BUILD_SET_GC0(wired) +__BUILD_SET_GC0(status) +__BUILD_SET_GC0(cause) +__BUILD_SET_GC0(ebase) +__BUILD_SET_GC0(config1) + +/* + * Return low 10 bits of ebase. + * Note that under KVM (MIPSVZ) this returns vcpu id. + */ +static inline unsigned int get_ebase_cpunum(void) +{ + return read_c0_ebase() & MIPS_EBASE_CPUNUM; +} + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_MIPSREGS_H */ |