summaryrefslogtreecommitdiff
path: root/arch/mips/include/asm/mipsregs.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/include/asm/mipsregs.h')
-rw-r--r--arch/mips/include/asm/mipsregs.h2014
1 files changed, 2014 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
new file mode 100644
index 0000000..f80311e
--- /dev/null
+++ b/arch/mips/include/asm/mipsregs.h
@@ -0,0 +1,2014 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * 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
+
+/*
+ * The following macros are especially useful for __asm__
+ * inline assembler.
+ */
+#ifndef __STR
+#define __STR(x) #x
+#endif
+#ifndef STR
+#define STR(x) __STR(x)
+#endif
+
+/*
+ * Configure language
+ */
+#ifdef __ASSEMBLY__
+#define _ULCAST_
+#else
+#define _ULCAST_ (unsigned long)
+#endif
+
+/*
+ * Coprocessor 0 register names
+ */
+#define CP0_INDEX $0
+#define CP0_RANDOM $1
+#define CP0_ENTRYLO0 $2
+#define CP0_ENTRYLO1 $3
+#define CP0_CONF $3
+#define CP0_GLOBALNUMBER $3, 1
+#define CP0_CONTEXT $4
+#define CP0_PAGEMASK $5
+#define CP0_WIRED $6
+#define CP0_INFO $7
+#define CP0_HWRENA $7, 0
+#define CP0_BADVADDR $8
+#define CP0_BADINSTR $8, 1
+#define CP0_COUNT $9
+#define CP0_ENTRYHI $10
+#define CP0_COMPARE $11
+#define CP0_STATUS $12
+#define CP0_CAUSE $13
+#define CP0_EPC $14
+#define CP0_PRID $15
+#define CP0_EBASE $15, 1
+#define CP0_CMGCRBASE $15, 3
+#define CP0_CONFIG $16
+#define CP0_CONFIG3 $16, 3
+#define CP0_CONFIG5 $16, 5
+#define CP0_LLADDR $17
+#define CP0_WATCHLO $18
+#define CP0_WATCHHI $19
+#define CP0_XCONTEXT $20
+#define CP0_FRAMEMASK $21
+#define CP0_DIAGNOSTIC $22
+#define CP0_DEBUG $23
+#define CP0_DEPC $24
+#define CP0_PERFORMANCE $25
+#define CP0_ECC $26
+#define CP0_CACHEERR $27
+#define CP0_TAGLO $28
+#define CP0_TAGHI $29
+#define CP0_ERROREPC $30
+#define CP0_DESAVE $31
+
+/*
+ * R4640/R4650 cp0 register names. These registers are listed
+ * here only for completeness; without MMU these CPUs are not useable
+ * by Linux. A future ELKS port might take make Linux run on them
+ * though ...
+ */
+#define CP0_IBASE $0
+#define CP0_IBOUND $1
+#define CP0_DBASE $2
+#define CP0_DBOUND $3
+#define CP0_CALG $17
+#define CP0_IWATCH $18
+#define CP0_DWATCH $19
+
+/*
+ * Coprocessor 0 Set 1 register names
+ */
+#define CP0_S1_DERRADDR0 $26
+#define CP0_S1_DERRADDR1 $27
+#define CP0_S1_INTCONTROL $20
+
+/*
+ * Coprocessor 0 Set 2 register names
+ */
+#define CP0_S2_SRSCTL $12 /* MIPSR2 */
+
+/*
+ * Coprocessor 0 Set 3 register names
+ */
+#define CP0_S3_SRSMAP $12 /* MIPSR2 */
+
+/*
+ * TX39 Series
+ */
+#define CP0_TX39_CACHE $7
+
+
+/* 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))
+
+/*
+ * Values for PageMask register
+ */
+#ifdef CONFIG_CPU_VR41XX
+
+/* Why doesn't stupidity hurt ... */
+
+#define PM_1K 0x00000000
+#define PM_4K 0x00001800
+#define PM_16K 0x00007800
+#define PM_64K 0x0001f800
+#define PM_256K 0x0007f800
+
+#else
+
+#define PM_4K 0x00000000
+#define PM_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
+
+#endif
+
+/*
+ * Values used for computation of new tlb entries
+ */
+#define PL_4K 12
+#define PL_16K 14
+#define PL_64K 16
+#define PL_256K 18
+#define PL_1M 20
+#define PL_4M 22
+#define PL_16M 24
+#define PL_64M 26
+#define PL_256M 28
+
+/*
+ * 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)
+
+/*
+ * 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_IMPL (_ULCAST_(3) << 16)
+#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 */
+
+/*
+ * 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_IV 23
+#define CAUSEF_IV (_ULCAST_(1) << 23)
+#define CAUSEB_PCI 26
+#define CAUSEF_PCI (_ULCAST_(1) << 26)
+#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)
+
+/*
+ * Bits in the coprocessor 0 EBase register.
+ */
+#define EBASE_CPUNUM 0x3ff
+
+/*
+ * Bits in the coprocessor 0 config register.
+ */
+/* Generic bits. */
+#define CONF_CM_CACHABLE_NO_WA 0
+#define CONF_CM_CACHABLE_WA 1
+#define CONF_CM_UNCACHED 2
+#define CONF_CM_CACHABLE_NONCOHERENT 3
+#define CONF_CM_CACHABLE_CE 4
+#define CONF_CM_CACHABLE_COW 5
+#define CONF_CM_CACHABLE_CUW 6
+#define CONF_CM_CACHABLE_ACCELERATED 7
+#define CONF_CM_CMASK 7
+#define CONF_BE (_ULCAST_(1) << 15)
+
+/* Bits common to various processors. */
+#define CONF_CU (_ULCAST_(1) << 3)
+#define CONF_DB (_ULCAST_(1) << 4)
+#define CONF_IB (_ULCAST_(1) << 5)
+#define CONF_DC (_ULCAST_(7) << 6)
+#define CONF_IC (_ULCAST_(7) << 9)
+#define CONF_EB (_ULCAST_(1) << 13)
+#define CONF_EM (_ULCAST_(1) << 14)
+#define CONF_SM (_ULCAST_(1) << 16)
+#define CONF_SC (_ULCAST_(1) << 17)
+#define CONF_EW (_ULCAST_(3) << 18)
+#define CONF_EP (_ULCAST_(15) << 24)
+#define CONF_EC (_ULCAST_(7) << 28)
+#define CONF_CM (_ULCAST_(1) << 31)
+
+/* Bits specific to the R4xx0. */
+#define R4K_CONF_SW (_ULCAST_(1) << 20)
+#define R4K_CONF_SS (_ULCAST_(1) << 21)
+#define R4K_CONF_SB (_ULCAST_(3) << 22)
+
+/* Bits specific to the R5000. */
+#define R5K_CONF_SE (_ULCAST_(1) << 12)
+#define R5K_CONF_SS (_ULCAST_(3) << 20)
+
+/* Bits specific to the RM7000. */
+#define RM7K_CONF_SE (_ULCAST_(1) << 3)
+#define RM7K_CONF_TE (_ULCAST_(1) << 12)
+#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
+#define RM7K_CONF_TC (_ULCAST_(1) << 17)
+#define RM7K_CONF_SI (_ULCAST_(3) << 20)
+#define RM7K_CONF_SC (_ULCAST_(1) << 31)
+
+/* Bits specific to the R10000. */
+#define R10K_CONF_DN (_ULCAST_(3) << 3)
+#define R10K_CONF_CT (_ULCAST_(1) << 5)
+#define R10K_CONF_PE (_ULCAST_(1) << 6)
+#define R10K_CONF_PM (_ULCAST_(3) << 7)
+#define R10K_CONF_EC (_ULCAST_(15) << 9)
+#define R10K_CONF_SB (_ULCAST_(1) << 13)
+#define R10K_CONF_SK (_ULCAST_(1) << 14)
+#define R10K_CONF_SS (_ULCAST_(7) << 16)
+#define R10K_CONF_SC (_ULCAST_(7) << 19)
+#define R10K_CONF_DC (_ULCAST_(7) << 26)
+#define R10K_CONF_IC (_ULCAST_(7) << 29)
+
+/* Bits specific to the VR41xx. */
+#define VR41_CONF_CS (_ULCAST_(1) << 12)
+#define VR41_CONF_P4K (_ULCAST_(1) << 13)
+#define VR41_CONF_BP (_ULCAST_(1) << 16)
+#define VR41_CONF_M16 (_ULCAST_(1) << 20)
+#define VR41_CONF_AD (_ULCAST_(1) << 23)
+
+/* Bits specific to the R30xx. */
+#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
+#define R30XX_CONF_REV (_ULCAST_(1) << 22)
+#define R30XX_CONF_AC (_ULCAST_(1) << 23)
+#define R30XX_CONF_RF (_ULCAST_(1) << 24)
+#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
+#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
+#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
+#define R30XX_CONF_SB (_ULCAST_(1) << 30)
+#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
+
+/* Bits specific to the TX49. */
+#define TX49_CONF_DC (_ULCAST_(1) << 16)
+#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
+#define TX49_CONF_HALT (_ULCAST_(1) << 18)
+#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
+
+/* Bits specific to the MIPS32/64 PRA. */
+#define MIPS_CONF_MT (_ULCAST_(7) << 7)
+#define MIPS_CONF_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_IMPL (_ULCAST_(0x1ff) << 16)
+#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_SHF 0
+#define MIPS_CONF2_SA (_ULCAST_(15) << 0)
+#define MIPS_CONF2_SL_SHF 4
+#define MIPS_CONF2_SL (_ULCAST_(15) << 4)
+#define MIPS_CONF2_SS_SHF 8
+#define MIPS_CONF2_SS (_ULCAST_(15) << 8)
+#define MIPS_CONF2_L2B (_ULCAST_(1) << 12)
+#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 (_ULCAST_(255) << 16)
+#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_FRE (_ULCAST_(1) << 8)
+#define MIPS_CONF5_UFE (_ULCAST_(1) << 9)
+#define MIPS_CONF5_L2C (_ULCAST_(1) << 10)
+#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)
+
+#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
+/* proAptiv FTLB on/off bit */
+#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
+/* FTLB probability bits */
+#define MIPS_CONF6_FTLBP_SHIFT (16)
+
+#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)
+/* FTLB probability bits for R6 */
+#define MIPS_CONF7_FTLBP_SHIFT (18)
+
+/* MAAR bit definitions */
+#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
+#define MIPS_MAAR_ADDR_SHIFT 12
+#define MIPS_MAAR_S (_ULCAST_(1) << 1)
+#define MIPS_MAAR_V (_ULCAST_(1) << 0)
+
+/* CMGCRBase bit definitions */
+#define MIPS_CMGCRB_BASE 11
+#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
+
+/*
+ * 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_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_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
+
+/* 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
+
+/*
+ * 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)
+
+/*
+ * 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.
+ */
+#define FPU_CSR_RSVD (_ULCAST_(7) << 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;
+}
+
+/*
+ * TLB Invalidate Flush
+ */
+static inline void tlbinvf(void)
+{
+ __asm__ __volatile__(
+ ".set push\n\t"
+ ".set noreorder\n\t"
+ ".word 0x42000004\n\t" /* tlbinvf */
+ ".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) \
+({ unsigned int __res; \
+ if (sel == 0) \
+ __asm__ __volatile__( \
+ "mfc0\t%0, " #source "\n\t" \
+ : "=r" (__res)); \
+ else \
+ __asm__ __volatile__( \
+ ".set\tmips32\n\t" \
+ "mfc0\t%0, " #source ", " #sel "\n\t" \
+ ".set\tmips0\n\t" \
+ : "=r" (__res)); \
+ __res; \
+})
+
+#define __read_64bit_c0_register(source, sel) \
+({ unsigned long long __res; \
+ if (sizeof(unsigned long) == 4) \
+ __res = __read_64bit_c0_split(source, sel); \
+ else if (sel == 0) \
+ __asm__ __volatile__( \
+ ".set\tmips3\n\t" \
+ "dmfc0\t%0, " #source "\n\t" \
+ ".set\tmips0" \
+ : "=r" (__res)); \
+ else \
+ __asm__ __volatile__( \
+ ".set\tmips64\n\t" \
+ "dmfc0\t%0, " #source ", " #sel "\n\t" \
+ ".set\tmips0" \
+ : "=r" (__res)); \
+ __res; \
+})
+
+#define __write_32bit_c0_register(register, sel, value) \
+do { \
+ if (sel == 0) \
+ __asm__ __volatile__( \
+ "mtc0\t%z0, " #register "\n\t" \
+ : : "Jr" ((unsigned int)(value))); \
+ else \
+ __asm__ __volatile__( \
+ ".set\tmips32\n\t" \
+ "mtc0\t%z0, " #register ", " #sel "\n\t" \
+ ".set\tmips0" \
+ : : "Jr" ((unsigned int)(value))); \
+} while (0)
+
+#define __write_64bit_c0_register(register, sel, value) \
+do { \
+ if (sizeof(unsigned long) == 4) \
+ __write_64bit_c0_split(register, sel, value); \
+ else if (sel == 0) \
+ __asm__ __volatile__( \
+ ".set\tmips3\n\t" \
+ "dmtc0\t%z0, " #register "\n\t" \
+ ".set\tmips0" \
+ : : "Jr" (value)); \
+ else \
+ __asm__ __volatile__( \
+ ".set\tmips64\n\t" \
+ "dmtc0\t%z0, " #register ", " #sel "\n\t" \
+ ".set\tmips0" \
+ : : "Jr" (value)); \
+} while (0)
+
+#define __read_ulong_c0_register(reg, sel) \
+ ((sizeof(unsigned long) == 4) ? \
+ (unsigned long) __read_32bit_c0_register(reg, sel) : \
+ (unsigned long) __read_64bit_c0_register(reg, sel))
+
+#define __write_ulong_c0_register(reg, sel, val) \
+do { \
+ if (sizeof(unsigned long) == 4) \
+ __write_32bit_c0_register(reg, sel, val); \
+ else \
+ __write_64bit_c0_register(reg, sel, val); \
+} while (0)
+
+/*
+ * On RM7000/RM9000 these are uses to access cop0 set 1 registers
+ */
+#define __read_32bit_c0_ctrl_register(source) \
+({ 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) \
+({ \
+ unsigned long long __val; \
+ \
+ if (sel == 0) \
+ __asm__ __volatile__( \
+ ".set\tmips64\n\t" \
+ "dmfc0\t%M0, " #source "\n\t" \
+ "dsll\t%L0, %M0, 32\n\t" \
+ "dsra\t%M0, %M0, 32\n\t" \
+ "dsra\t%L0, %L0, 32\n\t" \
+ ".set\tmips0" \
+ : "=r" (__val)); \
+ else \
+ __asm__ __volatile__( \
+ ".set\tmips64\n\t" \
+ "dmfc0\t%M0, " #source ", " #sel "\n\t" \
+ "dsll\t%L0, %M0, 32\n\t" \
+ "dsra\t%M0, %M0, 32\n\t" \
+ "dsra\t%L0, %L0, 32\n\t" \
+ ".set\tmips0" \
+ : "=r" (__val)); \
+ \
+ __val; \
+})
+
+#define __write_64bit_c0_split(source, sel, val) \
+do { \
+ if (sel == 0) \
+ __asm__ __volatile__( \
+ ".set\tmips64\n\t" \
+ "dsll\t%L0, %L0, 32\n\t" \
+ "dsrl\t%L0, %L0, 32\n\t" \
+ "dsll\t%M0, %M0, 32\n\t" \
+ "or\t%L0, %L0, %M0\n\t" \
+ "dmtc0\t%L0, " #source "\n\t" \
+ ".set\tmips0" \
+ : : "r" (val)); \
+ else \
+ __asm__ __volatile__( \
+ ".set\tmips64\n\t" \
+ "dsll\t%L0, %L0, 32\n\t" \
+ "dsrl\t%L0, %L0, 32\n\t" \
+ "dsll\t%M0, %M0, 32\n\t" \
+ "or\t%L0, %L0, %M0\n\t" \
+ "dmtc0\t%L0, " #source ", " #sel "\n\t" \
+ ".set\tmips0" \
+ : : "r" (val)); \
+} while (0)
+
+#define __readx_32bit_c0_register(source) \
+({ \
+ unsigned int __res; \
+ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " .set mips32r2 \n" \
+ " .insn \n" \
+ " # mfhc0 $1, %1 \n" \
+ " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \
+ " move %0, $1 \n" \
+ " .set pop \n" \
+ : "=r" (__res) \
+ : "i" (source)); \
+ __res; \
+})
+
+#define __writex_32bit_c0_register(register, value) \
+({ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " .set mips32r2 \n" \
+ " move $1, %0 \n" \
+ " # mthc0 $1, %1 \n" \
+ " .insn \n" \
+ " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \
+ " .set pop \n" \
+ : \
+ : "r" (value), "i" (register)); \
+})
+
+#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)
+#define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, 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)
+#define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
+
+#define read_c0_conf() __read_32bit_c0_register($3, 0)
+#define write_c0_conf(val) __write_32bit_c0_register($3, 0, val)
+
+#define read_c0_context() __read_ulong_c0_register($4, 0)
+#define write_c0_context(val) __write_ulong_c0_register($4, 0, val)
+
+#define read_c0_userlocal() __read_ulong_c0_register($4, 2)
+#define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
+
+#define read_c0_pagemask() __read_32bit_c0_register($5, 0)
+#define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val)
+
+#define read_c0_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_count() __read_32bit_c0_register($9, 0)
+#define write_c0_count(val) __write_32bit_c0_register($9, 0, val)
+
+#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */
+#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val)
+
+#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */
+#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val)
+
+#define read_c0_entryhi() __read_ulong_c0_register($10, 0)
+#define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val)
+
+#define read_c0_compare() __read_32bit_c0_register($11, 0)
+#define write_c0_compare(val) __write_32bit_c0_register($11, 0, val)
+
+#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */
+#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val)
+
+#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */
+#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val)
+
+#define read_c0_status() __read_32bit_c0_register($12, 0)
+
+#define write_c0_status(val) __write_32bit_c0_register($12, 0, val)
+
+#define read_c0_cause() __read_32bit_c0_register($13, 0)
+#define write_c0_cause(val) __write_32bit_c0_register($13, 0, val)
+
+#define read_c0_epc() __read_ulong_c0_register($14, 0)
+#define write_c0_epc(val) __write_ulong_c0_register($14, 0, val)
+
+#define read_c0_prid() __read_32bit_c0_register($15, 0)
+
+#define read_c0_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 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_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)
+
+/* 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)
+/*
+ * 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)
+
+/*
+ * 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) \
+({ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set reorder \n" \
+ " "STR(gas_hardfloat)" \n" \
+ " ctc1 %0,"STR(dest)" \n" \
+ " .set pop \n" \
+ : : "r" (val)); \
+})
+
+#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 HAVE_AS_DSP
+#define rddsp(mask) \
+({ \
+ unsigned int __dspctl; \
+ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " rddsp %0, %x1 \n" \
+ " .set pop \n" \
+ : "=r" (__dspctl) \
+ : "i" (mask)); \
+ __dspctl; \
+})
+
+#define wrdsp(val, mask) \
+({ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " wrdsp %0, %x1 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (val), "i" (mask)); \
+})
+
+#define mflo0() \
+({ \
+ long mflo0; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mflo %0, $ac0 \n" \
+ " .set pop \n" \
+ : "=r" (mflo0)); \
+ mflo0; \
+})
+
+#define mflo1() \
+({ \
+ long mflo1; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mflo %0, $ac1 \n" \
+ " .set pop \n" \
+ : "=r" (mflo1)); \
+ mflo1; \
+})
+
+#define mflo2() \
+({ \
+ long mflo2; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mflo %0, $ac2 \n" \
+ " .set pop \n" \
+ : "=r" (mflo2)); \
+ mflo2; \
+})
+
+#define mflo3() \
+({ \
+ long mflo3; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mflo %0, $ac3 \n" \
+ " .set pop \n" \
+ : "=r" (mflo3)); \
+ mflo3; \
+})
+
+#define mfhi0() \
+({ \
+ long mfhi0; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mfhi %0, $ac0 \n" \
+ " .set pop \n" \
+ : "=r" (mfhi0)); \
+ mfhi0; \
+})
+
+#define mfhi1() \
+({ \
+ long mfhi1; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mfhi %0, $ac1 \n" \
+ " .set pop \n" \
+ : "=r" (mfhi1)); \
+ mfhi1; \
+})
+
+#define mfhi2() \
+({ \
+ long mfhi2; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mfhi %0, $ac2 \n" \
+ " .set pop \n" \
+ : "=r" (mfhi2)); \
+ mfhi2; \
+})
+
+#define mfhi3() \
+({ \
+ long mfhi3; \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mfhi %0, $ac3 \n" \
+ " .set pop \n" \
+ : "=r" (mfhi3)); \
+ mfhi3; \
+})
+
+
+#define mtlo0(x) \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mtlo %0, $ac0 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#define mtlo1(x) \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mtlo %0, $ac1 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#define mtlo2(x) \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mtlo %0, $ac2 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#define mtlo3(x) \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mtlo %0, $ac3 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#define mthi0(x) \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mthi %0, $ac0 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#define mthi1(x) \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mthi %0, $ac1 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#define mthi2(x) \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mthi %0, $ac2 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#define mthi3(x) \
+({ \
+ __asm__( \
+ " .set push \n" \
+ " .set dsp \n" \
+ " mthi %0, $ac3 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (x)); \
+})
+
+#else
+
+#ifdef CONFIG_CPU_MICROMIPS
+#define rddsp(mask) \
+({ \
+ unsigned int __res; \
+ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " # rddsp $1, %x1 \n" \
+ " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \
+ " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \
+ " move %0, $1 \n" \
+ " .set pop \n" \
+ : "=r" (__res) \
+ : "i" (mask)); \
+ __res; \
+})
+
+#define wrdsp(val, mask) \
+({ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " move $1, %0 \n" \
+ " # wrdsp $1, %x1 \n" \
+ " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \
+ " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \
+ " .set pop \n" \
+ : \
+ : "r" (val), "i" (mask)); \
+})
+
+#define _umips_dsp_mfxxx(ins) \
+({ \
+ unsigned long __treg; \
+ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " .hword 0x0001 \n" \
+ " .hword %x1 \n" \
+ " move %0, $1 \n" \
+ " .set pop \n" \
+ : "=r" (__treg) \
+ : "i" (ins)); \
+ __treg; \
+})
+
+#define _umips_dsp_mtxxx(val, ins) \
+({ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " move $1, %0 \n" \
+ " .hword 0x0001 \n" \
+ " .hword %x1 \n" \
+ " .set pop \n" \
+ : \
+ : "r" (val), "i" (ins)); \
+})
+
+#define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c)
+#define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c)
+
+#define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c))
+#define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c))
+
+#define mflo0() _umips_dsp_mflo(0)
+#define mflo1() _umips_dsp_mflo(1)
+#define mflo2() _umips_dsp_mflo(2)
+#define mflo3() _umips_dsp_mflo(3)
+
+#define mfhi0() _umips_dsp_mfhi(0)
+#define mfhi1() _umips_dsp_mfhi(1)
+#define mfhi2() _umips_dsp_mfhi(2)
+#define mfhi3() _umips_dsp_mfhi(3)
+
+#define mtlo0(x) _umips_dsp_mtlo(x, 0)
+#define mtlo1(x) _umips_dsp_mtlo(x, 1)
+#define mtlo2(x) _umips_dsp_mtlo(x, 2)
+#define mtlo3(x) _umips_dsp_mtlo(x, 3)
+
+#define mthi0(x) _umips_dsp_mthi(x, 0)
+#define mthi1(x) _umips_dsp_mthi(x, 1)
+#define mthi2(x) _umips_dsp_mthi(x, 2)
+#define mthi3(x) _umips_dsp_mthi(x, 3)
+
+#else /* !CONFIG_CPU_MICROMIPS */
+#define rddsp(mask) \
+({ \
+ unsigned int __res; \
+ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " # rddsp $1, %x1 \n" \
+ " .word 0x7c000cb8 | (%x1 << 16) \n" \
+ " move %0, $1 \n" \
+ " .set pop \n" \
+ : "=r" (__res) \
+ : "i" (mask)); \
+ __res; \
+})
+
+#define wrdsp(val, mask) \
+({ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " move $1, %0 \n" \
+ " # wrdsp $1, %x1 \n" \
+ " .word 0x7c2004f8 | (%x1 << 11) \n" \
+ " .set pop \n" \
+ : \
+ : "r" (val), "i" (mask)); \
+})
+
+#define _dsp_mfxxx(ins) \
+({ \
+ unsigned long __treg; \
+ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " .word (0x00000810 | %1) \n" \
+ " move %0, $1 \n" \
+ " .set pop \n" \
+ : "=r" (__treg) \
+ : "i" (ins)); \
+ __treg; \
+})
+
+#define _dsp_mtxxx(val, ins) \
+({ \
+ __asm__ __volatile__( \
+ " .set push \n" \
+ " .set noat \n" \
+ " move $1, %0 \n" \
+ " .word (0x00200011 | %1) \n" \
+ " .set pop \n" \
+ : \
+ : "r" (val), "i" (ins)); \
+})
+
+#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))
+
+#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 /* CONFIG_CPU_MICROMIPS */
+#endif
+
+/*
+ * TLB operations.
+ *
+ * It is responsibility of the caller to take care of any TLB hazards.
+ */
+static inline void tlb_probe(void)
+{
+ __asm__ __volatile__(
+ ".set noreorder\n\t"
+ "tlbp\n\t"
+ ".set reorder");
+}
+
+static inline void tlb_read(void)
+{
+#if MIPS34K_MISSED_ITLB_WAR
+ int res = 0;
+
+ __asm__ __volatile__(
+ " .set push \n"
+ " .set noreorder \n"
+ " .set noat \n"
+ " .set mips32r2 \n"
+ " .word 0x41610001 # dvpe $1 \n"
+ " move %0, $1 \n"
+ " ehb \n"
+ " .set pop \n"
+ : "=r" (res));
+
+ instruction_hazard();
+#endif
+
+ __asm__ __volatile__(
+ ".set noreorder\n\t"
+ "tlbr\n\t"
+ ".set reorder");
+
+#if MIPS34K_MISSED_ITLB_WAR
+ if ((res & _ULCAST_(1)))
+ __asm__ __volatile__(
+ " .set push \n"
+ " .set noreorder \n"
+ " .set noat \n"
+ " .set mips32r2 \n"
+ " .word 0x41600021 # evpe \n"
+ " ehb \n"
+ " .set pop \n");
+#endif
+}
+
+static inline void tlb_write_indexed(void)
+{
+ __asm__ __volatile__(
+ ".set noreorder\n\t"
+ "tlbwi\n\t"
+ ".set reorder");
+}
+
+static inline void tlb_write_random(void)
+{
+ __asm__ __volatile__(
+ ".set noreorder\n\t"
+ "tlbwr\n\t"
+ ".set reorder");
+}
+
+/*
+ * Manipulate bits in a c0 register.
+ */
+#define __BUILD_SET_C0(name) \
+static inline unsigned int \
+set_c0_##name(unsigned int set) \
+{ \
+ unsigned int res, new; \
+ \
+ res = read_c0_##name(); \
+ new = res | set; \
+ write_c0_##name(new); \
+ \
+ return res; \
+} \
+ \
+static inline unsigned int \
+clear_c0_##name(unsigned int clear) \
+{ \
+ unsigned int res, new; \
+ \
+ res = read_c0_##name(); \
+ new = res & ~clear; \
+ write_c0_##name(new); \
+ \
+ return res; \
+} \
+ \
+static inline unsigned int \
+change_c0_##name(unsigned int change, unsigned int val) \
+{ \
+ unsigned int res, new; \
+ \
+ res = read_c0_##name(); \
+ new = res & ~change; \
+ new |= (val & change); \
+ write_c0_##name(new); \
+ \
+ return res; \
+}
+
+__BUILD_SET_C0(status)
+__BUILD_SET_C0(cause)
+__BUILD_SET_C0(config)
+__BUILD_SET_C0(config5)
+__BUILD_SET_C0(intcontrol)
+__BUILD_SET_C0(intctl)
+__BUILD_SET_C0(srsmap)
+__BUILD_SET_C0(pagegrain)
+__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)
+
+/*
+ * 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() & 0x3ff;
+}
+
+static inline void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0,
+ u32 low1)
+{
+ write_c0_entrylo0(low0);
+ write_c0_pagemask(pagemask);
+ write_c0_entrylo1(low1);
+ write_c0_entryhi(hi);
+ write_c0_index(index);
+ tlb_write_indexed();
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* _ASM_MIPSREGS_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 09:44:22 +0000