2015 lines
59 KiB
C
2015 lines
59 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
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* Copyright (C) 2000 Silicon Graphics, Inc.
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* Modified for further R[236]000 support by Paul M. Antoine, 1996.
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* Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
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* Copyright (C) 2000, 07 MIPS Technologies, Inc.
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* Copyright (C) 2003, 2004 Maciej W. Rozycki
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*/
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#ifndef _ASM_MIPSREGS_H
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#define _ASM_MIPSREGS_H
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/*
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* The following macros are especially useful for __asm__
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* inline assembler.
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*/
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#ifndef __STR
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#define __STR(x) #x
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#endif
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#ifndef STR
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#define STR(x) __STR(x)
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#endif
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/*
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* Configure language
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*/
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#ifdef __ASSEMBLY__
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#define _ULCAST_
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#else
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#define _ULCAST_ (unsigned long)
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#endif
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/*
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* Coprocessor 0 register names
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*/
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#define CP0_INDEX $0
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#define CP0_RANDOM $1
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#define CP0_ENTRYLO0 $2
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#define CP0_ENTRYLO1 $3
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#define CP0_CONF $3
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#define CP0_GLOBALNUMBER $3, 1
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#define CP0_CONTEXT $4
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#define CP0_PAGEMASK $5
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#define CP0_WIRED $6
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#define CP0_INFO $7
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#define CP0_HWRENA $7, 0
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#define CP0_BADVADDR $8
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#define CP0_BADINSTR $8, 1
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#define CP0_COUNT $9
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#define CP0_ENTRYHI $10
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#define CP0_COMPARE $11
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#define CP0_STATUS $12
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#define CP0_CAUSE $13
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#define CP0_EPC $14
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#define CP0_PRID $15
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#define CP0_EBASE $15, 1
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#define CP0_CMGCRBASE $15, 3
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#define CP0_CONFIG $16
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#define CP0_CONFIG3 $16, 3
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#define CP0_CONFIG5 $16, 5
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#define CP0_LLADDR $17
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#define CP0_WATCHLO $18
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#define CP0_WATCHHI $19
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#define CP0_XCONTEXT $20
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#define CP0_FRAMEMASK $21
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#define CP0_DIAGNOSTIC $22
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#define CP0_DEBUG $23
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#define CP0_DEPC $24
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#define CP0_PERFORMANCE $25
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#define CP0_ECC $26
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#define CP0_CACHEERR $27
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#define CP0_TAGLO $28
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#define CP0_TAGHI $29
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#define CP0_ERROREPC $30
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#define CP0_DESAVE $31
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/*
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* R4640/R4650 cp0 register names. These registers are listed
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* here only for completeness; without MMU these CPUs are not useable
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* by Linux. A future ELKS port might take make Linux run on them
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* though ...
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*/
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#define CP0_IBASE $0
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#define CP0_IBOUND $1
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#define CP0_DBASE $2
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#define CP0_DBOUND $3
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#define CP0_CALG $17
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#define CP0_IWATCH $18
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#define CP0_DWATCH $19
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/*
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* Coprocessor 0 Set 1 register names
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*/
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#define CP0_S1_DERRADDR0 $26
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#define CP0_S1_DERRADDR1 $27
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#define CP0_S1_INTCONTROL $20
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/*
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* Coprocessor 0 Set 2 register names
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*/
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#define CP0_S2_SRSCTL $12 /* MIPSR2 */
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/*
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* Coprocessor 0 Set 3 register names
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*/
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#define CP0_S3_SRSMAP $12 /* MIPSR2 */
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/*
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* TX39 Series
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*/
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#define CP0_TX39_CACHE $7
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/* Generic EntryLo bit definitions */
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#define ENTRYLO_G (_ULCAST_(1) << 0)
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#define ENTRYLO_V (_ULCAST_(1) << 1)
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#define ENTRYLO_D (_ULCAST_(1) << 2)
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#define ENTRYLO_C_SHIFT 3
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#define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT)
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/* R3000 EntryLo bit definitions */
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#define R3K_ENTRYLO_G (_ULCAST_(1) << 8)
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#define R3K_ENTRYLO_V (_ULCAST_(1) << 9)
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#define R3K_ENTRYLO_D (_ULCAST_(1) << 10)
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#define R3K_ENTRYLO_N (_ULCAST_(1) << 11)
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/* MIPS32/64 EntryLo bit definitions */
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#define MIPS_ENTRYLO_PFN_SHIFT 6
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#define MIPS_ENTRYLO_XI (_ULCAST_(1) << (BITS_PER_LONG - 2))
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#define MIPS_ENTRYLO_RI (_ULCAST_(1) << (BITS_PER_LONG - 1))
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/*
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* Values for PageMask register
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*/
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#ifdef CONFIG_CPU_VR41XX
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/* Why doesn't stupidity hurt ... */
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#define PM_1K 0x00000000
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#define PM_4K 0x00001800
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#define PM_16K 0x00007800
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#define PM_64K 0x0001f800
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#define PM_256K 0x0007f800
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#else
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#define PM_4K 0x00000000
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#define PM_8K 0x00002000
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#define PM_16K 0x00006000
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#define PM_32K 0x0000e000
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#define PM_64K 0x0001e000
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#define PM_128K 0x0003e000
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#define PM_256K 0x0007e000
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#define PM_512K 0x000fe000
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#define PM_1M 0x001fe000
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#define PM_2M 0x003fe000
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#define PM_4M 0x007fe000
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#define PM_8M 0x00ffe000
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#define PM_16M 0x01ffe000
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#define PM_32M 0x03ffe000
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#define PM_64M 0x07ffe000
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#define PM_256M 0x1fffe000
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#define PM_1G 0x7fffe000
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#endif
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/*
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* Values used for computation of new tlb entries
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*/
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#define PL_4K 12
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#define PL_16K 14
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#define PL_64K 16
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#define PL_256K 18
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#define PL_1M 20
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#define PL_4M 22
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#define PL_16M 24
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#define PL_64M 26
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#define PL_256M 28
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/*
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* PageGrain bits
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*/
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#define PG_RIE (_ULCAST_(1) << 31)
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#define PG_XIE (_ULCAST_(1) << 30)
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#define PG_ELPA (_ULCAST_(1) << 29)
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#define PG_ESP (_ULCAST_(1) << 28)
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#define PG_IEC (_ULCAST_(1) << 27)
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/* MIPS32/64 EntryHI bit definitions */
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#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
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/*
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* R4x00 interrupt enable / cause bits
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*/
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#define IE_SW0 (_ULCAST_(1) << 8)
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#define IE_SW1 (_ULCAST_(1) << 9)
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#define IE_IRQ0 (_ULCAST_(1) << 10)
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#define IE_IRQ1 (_ULCAST_(1) << 11)
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#define IE_IRQ2 (_ULCAST_(1) << 12)
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#define IE_IRQ3 (_ULCAST_(1) << 13)
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#define IE_IRQ4 (_ULCAST_(1) << 14)
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#define IE_IRQ5 (_ULCAST_(1) << 15)
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/*
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* R4x00 interrupt cause bits
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*/
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#define C_SW0 (_ULCAST_(1) << 8)
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#define C_SW1 (_ULCAST_(1) << 9)
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#define C_IRQ0 (_ULCAST_(1) << 10)
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#define C_IRQ1 (_ULCAST_(1) << 11)
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#define C_IRQ2 (_ULCAST_(1) << 12)
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#define C_IRQ3 (_ULCAST_(1) << 13)
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#define C_IRQ4 (_ULCAST_(1) << 14)
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#define C_IRQ5 (_ULCAST_(1) << 15)
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/*
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* Bitfields in the R4xx0 cp0 status register
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*/
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#define ST0_IE 0x00000001
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#define ST0_EXL 0x00000002
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#define ST0_ERL 0x00000004
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#define ST0_KSU 0x00000018
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# define KSU_USER 0x00000010
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# define KSU_SUPERVISOR 0x00000008
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# define KSU_KERNEL 0x00000000
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#define ST0_UX 0x00000020
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#define ST0_SX 0x00000040
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#define ST0_KX 0x00000080
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#define ST0_DE 0x00010000
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#define ST0_CE 0x00020000
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/*
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* Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
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* cacheops in userspace. This bit exists only on RM7000 and RM9000
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* processors.
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*/
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#define ST0_CO 0x08000000
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/*
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* Bitfields in the R[23]000 cp0 status register.
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*/
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#define ST0_IEC 0x00000001
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#define ST0_KUC 0x00000002
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#define ST0_IEP 0x00000004
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#define ST0_KUP 0x00000008
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#define ST0_IEO 0x00000010
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#define ST0_KUO 0x00000020
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/* bits 6 & 7 are reserved on R[23]000 */
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#define ST0_ISC 0x00010000
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#define ST0_SWC 0x00020000
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#define ST0_CM 0x00080000
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/*
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* Bits specific to the R4640/R4650
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*/
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#define ST0_UM (_ULCAST_(1) << 4)
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#define ST0_IL (_ULCAST_(1) << 23)
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#define ST0_DL (_ULCAST_(1) << 24)
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/*
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* Enable the MIPS MDMX and DSP ASEs
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*/
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#define ST0_MX 0x01000000
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/*
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* Status register bits available in all MIPS CPUs.
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*/
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#define ST0_IM 0x0000ff00
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#define STATUSB_IP0 8
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#define STATUSF_IP0 (_ULCAST_(1) << 8)
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#define STATUSB_IP1 9
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#define STATUSF_IP1 (_ULCAST_(1) << 9)
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#define STATUSB_IP2 10
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#define STATUSF_IP2 (_ULCAST_(1) << 10)
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#define STATUSB_IP3 11
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#define STATUSF_IP3 (_ULCAST_(1) << 11)
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#define STATUSB_IP4 12
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#define STATUSF_IP4 (_ULCAST_(1) << 12)
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#define STATUSB_IP5 13
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#define STATUSF_IP5 (_ULCAST_(1) << 13)
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#define STATUSB_IP6 14
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#define STATUSF_IP6 (_ULCAST_(1) << 14)
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#define STATUSB_IP7 15
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#define STATUSF_IP7 (_ULCAST_(1) << 15)
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#define STATUSB_IP8 0
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#define STATUSF_IP8 (_ULCAST_(1) << 0)
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#define STATUSB_IP9 1
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#define STATUSF_IP9 (_ULCAST_(1) << 1)
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#define STATUSB_IP10 2
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#define STATUSF_IP10 (_ULCAST_(1) << 2)
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#define STATUSB_IP11 3
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#define STATUSF_IP11 (_ULCAST_(1) << 3)
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#define STATUSB_IP12 4
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#define STATUSF_IP12 (_ULCAST_(1) << 4)
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#define STATUSB_IP13 5
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#define STATUSF_IP13 (_ULCAST_(1) << 5)
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#define STATUSB_IP14 6
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#define STATUSF_IP14 (_ULCAST_(1) << 6)
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#define STATUSB_IP15 7
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#define STATUSF_IP15 (_ULCAST_(1) << 7)
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#define ST0_IMPL (_ULCAST_(3) << 16)
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#define ST0_CH 0x00040000
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#define ST0_NMI 0x00080000
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#define ST0_SR 0x00100000
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#define ST0_TS 0x00200000
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#define ST0_BEV 0x00400000
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#define ST0_RE 0x02000000
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#define ST0_FR 0x04000000
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#define ST0_CU 0xf0000000
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#define ST0_CU0 0x10000000
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#define ST0_CU1 0x20000000
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#define ST0_CU2 0x40000000
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#define ST0_CU3 0x80000000
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#define ST0_XX 0x80000000 /* MIPS IV naming */
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/*
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* Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
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*/
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#define INTCTLB_IPFDC 23
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#define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC)
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#define INTCTLB_IPPCI 26
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#define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI)
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#define INTCTLB_IPTI 29
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#define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI)
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/*
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* Bitfields and bit numbers in the coprocessor 0 cause register.
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*
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* Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
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*/
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#define CAUSEB_EXCCODE 2
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#define CAUSEF_EXCCODE (_ULCAST_(31) << 2)
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#define CAUSEB_IP 8
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#define CAUSEF_IP (_ULCAST_(255) << 8)
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#define CAUSEB_IP0 8
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#define CAUSEF_IP0 (_ULCAST_(1) << 8)
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#define CAUSEB_IP1 9
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#define CAUSEF_IP1 (_ULCAST_(1) << 9)
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#define CAUSEB_IP2 10
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#define CAUSEF_IP2 (_ULCAST_(1) << 10)
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#define CAUSEB_IP3 11
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#define CAUSEF_IP3 (_ULCAST_(1) << 11)
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#define CAUSEB_IP4 12
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#define CAUSEF_IP4 (_ULCAST_(1) << 12)
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#define CAUSEB_IP5 13
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#define CAUSEF_IP5 (_ULCAST_(1) << 13)
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#define CAUSEB_IP6 14
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#define CAUSEF_IP6 (_ULCAST_(1) << 14)
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#define CAUSEB_IP7 15
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#define CAUSEF_IP7 (_ULCAST_(1) << 15)
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#define CAUSEB_FDCI 21
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#define CAUSEF_FDCI (_ULCAST_(1) << 21)
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#define CAUSEB_IV 23
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#define CAUSEF_IV (_ULCAST_(1) << 23)
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#define CAUSEB_PCI 26
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#define CAUSEF_PCI (_ULCAST_(1) << 26)
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#define CAUSEB_CE 28
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#define CAUSEF_CE (_ULCAST_(3) << 28)
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#define CAUSEB_TI 30
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#define CAUSEF_TI (_ULCAST_(1) << 30)
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#define CAUSEB_BD 31
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#define CAUSEF_BD (_ULCAST_(1) << 31)
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/*
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* Bits in the coprocessor 0 EBase register.
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*/
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#define EBASE_CPUNUM 0x3ff
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/*
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* Bits in the coprocessor 0 config register.
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*/
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/* Generic bits. */
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#define CONF_CM_CACHABLE_NO_WA 0
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#define CONF_CM_CACHABLE_WA 1
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#define CONF_CM_UNCACHED 2
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#define CONF_CM_CACHABLE_NONCOHERENT 3
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#define CONF_CM_CACHABLE_CE 4
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#define CONF_CM_CACHABLE_COW 5
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#define CONF_CM_CACHABLE_CUW 6
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#define CONF_CM_CACHABLE_ACCELERATED 7
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#define CONF_CM_CMASK 7
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#define CONF_BE (_ULCAST_(1) << 15)
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/* Bits common to various processors. */
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#define CONF_CU (_ULCAST_(1) << 3)
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#define CONF_DB (_ULCAST_(1) << 4)
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#define CONF_IB (_ULCAST_(1) << 5)
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#define CONF_DC (_ULCAST_(7) << 6)
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#define CONF_IC (_ULCAST_(7) << 9)
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#define CONF_EB (_ULCAST_(1) << 13)
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#define CONF_EM (_ULCAST_(1) << 14)
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#define CONF_SM (_ULCAST_(1) << 16)
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#define CONF_SC (_ULCAST_(1) << 17)
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#define CONF_EW (_ULCAST_(3) << 18)
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#define CONF_EP (_ULCAST_(15) << 24)
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#define CONF_EC (_ULCAST_(7) << 28)
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#define CONF_CM (_ULCAST_(1) << 31)
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/* Bits specific to the R4xx0. */
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#define R4K_CONF_SW (_ULCAST_(1) << 20)
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#define R4K_CONF_SS (_ULCAST_(1) << 21)
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#define R4K_CONF_SB (_ULCAST_(3) << 22)
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/* Bits specific to the R5000. */
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#define R5K_CONF_SE (_ULCAST_(1) << 12)
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#define R5K_CONF_SS (_ULCAST_(3) << 20)
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/* Bits specific to the RM7000. */
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#define RM7K_CONF_SE (_ULCAST_(1) << 3)
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#define RM7K_CONF_TE (_ULCAST_(1) << 12)
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#define RM7K_CONF_CLK (_ULCAST_(1) << 16)
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#define RM7K_CONF_TC (_ULCAST_(1) << 17)
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#define RM7K_CONF_SI (_ULCAST_(3) << 20)
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#define RM7K_CONF_SC (_ULCAST_(1) << 31)
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/* Bits specific to the R10000. */
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#define R10K_CONF_DN (_ULCAST_(3) << 3)
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#define R10K_CONF_CT (_ULCAST_(1) << 5)
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#define R10K_CONF_PE (_ULCAST_(1) << 6)
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#define R10K_CONF_PM (_ULCAST_(3) << 7)
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#define R10K_CONF_EC (_ULCAST_(15) << 9)
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#define R10K_CONF_SB (_ULCAST_(1) << 13)
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#define R10K_CONF_SK (_ULCAST_(1) << 14)
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#define R10K_CONF_SS (_ULCAST_(7) << 16)
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#define R10K_CONF_SC (_ULCAST_(7) << 19)
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#define R10K_CONF_DC (_ULCAST_(7) << 26)
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#define R10K_CONF_IC (_ULCAST_(7) << 29)
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/* Bits specific to the VR41xx. */
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#define VR41_CONF_CS (_ULCAST_(1) << 12)
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#define VR41_CONF_P4K (_ULCAST_(1) << 13)
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#define VR41_CONF_BP (_ULCAST_(1) << 16)
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#define VR41_CONF_M16 (_ULCAST_(1) << 20)
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#define VR41_CONF_AD (_ULCAST_(1) << 23)
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/* Bits specific to the R30xx. */
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#define R30XX_CONF_FDM (_ULCAST_(1) << 19)
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#define R30XX_CONF_REV (_ULCAST_(1) << 22)
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#define R30XX_CONF_AC (_ULCAST_(1) << 23)
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#define R30XX_CONF_RF (_ULCAST_(1) << 24)
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#define R30XX_CONF_HALT (_ULCAST_(1) << 25)
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#define R30XX_CONF_FPINT (_ULCAST_(7) << 26)
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#define R30XX_CONF_DBR (_ULCAST_(1) << 29)
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#define R30XX_CONF_SB (_ULCAST_(1) << 30)
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#define R30XX_CONF_LOCK (_ULCAST_(1) << 31)
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/* Bits specific to the TX49. */
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#define TX49_CONF_DC (_ULCAST_(1) << 16)
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#define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */
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#define TX49_CONF_HALT (_ULCAST_(1) << 18)
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#define TX49_CONF_CWFON (_ULCAST_(1) << 27)
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/* Bits specific to the MIPS32/64 PRA. */
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#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
|
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#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 */
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|
|
#ifndef __ASSEMBLY__
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|
|
|
/*
|
|
* 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;
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|
|
|
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)); \
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|
\
|
|
__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)); \
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|
\
|
|
__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 */
|