65d297af7c
Clear cp0 status while preserving implementation specific bits. Set bits BEV and ERL as the arch specification requires after a reset or soft-reset exception. Extend and fix initialization of watch registers. Check if additional watch register sets are implemented and initialize them too. Initialize cp0 count as early as possible to get the most accurate boot timing. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
2012 lines
59 KiB
C
2012 lines
59 KiB
C
/*
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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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* SPDX-License-Identifier: GPL-2.0
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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 */
|
|
#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; \
|
|
unsigned long __flags; \
|
|
\
|
|
local_irq_save(__flags); \
|
|
if (sel == 0) \
|
|
__asm__ __volatile__( \
|
|
".set\tmips64\n\t" \
|
|
"dmfc0\t%M0, " #source "\n\t" \
|
|
"dsll\t%L0, %M0, 32\n\t" \
|
|
"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)); \
|
|
local_irq_restore(__flags); \
|
|
\
|
|
__val; \
|
|
})
|
|
|
|
#define __write_64bit_c0_split(source, sel, val) \
|
|
do { \
|
|
unsigned long __flags; \
|
|
\
|
|
local_irq_save(__flags); \
|
|
if (sel == 0) \
|
|
__asm__ __volatile__( \
|
|
".set\tmips64\n\t" \
|
|
"dsll\t%L0, %L0, 32\n\t" \
|
|
"dsrl\t%L0, %L0, 32\n\t" \
|
|
"dsll\t%M0, %M0, 32\n\t" \
|
|
"or\t%L0, %L0, %M0\n\t" \
|
|
"dmtc0\t%L0, " #source "\n\t" \
|
|
".set\tmips0" \
|
|
: : "r" (val)); \
|
|
else \
|
|
__asm__ __volatile__( \
|
|
".set\tmips64\n\t" \
|
|
"dsll\t%L0, %L0, 32\n\t" \
|
|
"dsrl\t%L0, %L0, 32\n\t" \
|
|
"dsll\t%M0, %M0, 32\n\t" \
|
|
"or\t%L0, %L0, %M0\n\t" \
|
|
"dmtc0\t%L0, " #source ", " #sel "\n\t" \
|
|
".set\tmips0" \
|
|
: : "r" (val)); \
|
|
local_irq_restore(__flags); \
|
|
} while (0)
|
|
|
|
#define __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;
|
|
}
|
|
|
|
#endif /* !__ASSEMBLY__ */
|
|
|
|
#endif /* _ASM_MIPSREGS_H */
|