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Message-Id: <a6569181afd5624b4791937fd45963c7f311fc4d.1510118606.git.green.hu@gmail.com>
Date: Wed, 8 Nov 2017 13:54:49 +0800
From: Greentime Hu <green.hu@...il.com>
To: greentime@...estech.com, linux-kernel@...r.kernel.org,
arnd@...db.de, linux-arch@...r.kernel.org, tglx@...utronix.de,
jason@...edaemon.net, marc.zyngier@....com, robh+dt@...nel.org,
netdev@...r.kernel.org
Cc: green.hu@...il.com, Vincent Chen <vincentc@...estech.com>
Subject: [PATCH 01/31] nds32: Assembly macros and definitions
From: Greentime Hu <greentime@...estech.com>
Signed-off-by: Vincent Chen <vincentc@...estech.com>
Signed-off-by: Greentime Hu <greentime@...estech.com>
---
arch/nds32/include/asm/assembler.h | 52 ++
arch/nds32/include/asm/bitfield.h | 982 ++++++++++++++++++++++++++++++++++++
arch/nds32/include/asm/nds32.h | 92 ++++
arch/nds32/kernel/asm-offsets.c | 40 ++
4 files changed, 1166 insertions(+)
create mode 100644 arch/nds32/include/asm/assembler.h
create mode 100644 arch/nds32/include/asm/bitfield.h
create mode 100644 arch/nds32/include/asm/nds32.h
create mode 100644 arch/nds32/kernel/asm-offsets.c
diff --git a/arch/nds32/include/asm/assembler.h b/arch/nds32/include/asm/assembler.h
new file mode 100644
index 0000000..d469af0
--- /dev/null
+++ b/arch/nds32/include/asm/assembler.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2005-2017 Andes Technology Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __NDS32_ASSEMBLER_H__
+#define __NDS32_ASSEMBLER_H__
+
+.macro gie_disable
+ setgie.d
+ dsb
+.endm
+
+.macro gie_enable
+ setgie.e
+ dsb
+.endm
+
+.macro gie_save oldpsw
+ mfsr \oldpsw, $ir0
+ setgie.d
+ dsb
+.endm
+
+.macro gie_restore oldpsw
+ andi \oldpsw, \oldpsw, #0x1
+ beqz \oldpsw, 7001f
+ setgie.e
+ dsb
+7001:
+.endm
+
+
+#define USER(insn, reg, addr, opr) \
+9999: insn reg, addr, opr; \
+ .section __ex_table,"a"; \
+ .align 3; \
+ .long 9999b, 9001f; \
+ .previous
+
+#endif /* __NDS32_ASSEMBLER_H__ */
diff --git a/arch/nds32/include/asm/bitfield.h b/arch/nds32/include/asm/bitfield.h
new file mode 100644
index 0000000..bb032ce
--- /dev/null
+++ b/arch/nds32/include/asm/bitfield.h
@@ -0,0 +1,982 @@
+/*
+ * Copyright (C) 2005-2017 Andes Technology Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __NDS32_BITFIELD_H__
+#define __NDS32_BITFIELD_H__
+/******************************************************************************
+ * cr0: CPU_VER (CPU Version Register)
+ *****************************************************************************/
+#define CPU_VER_offCFGID 0 /* Minor configuration */
+#define CPU_VER_offREV 16 /* Revision of the CPU version */
+#define CPU_VER_offCPUID 24 /* Major CPU versions */
+
+#define CPU_VER_mskCFGID ( 0xFFFF << CPU_VER_offCFGID )
+#define CPU_VER_mskREV ( 0xFF << CPU_VER_offREV )
+#define CPU_VER_mskCPUID ( 0xFF << CPU_VER_offCPUID )
+
+/******************************************************************************
+ * cr1: ICM_CFG (Instruction Cache/Memory Configuration Register)
+ *****************************************************************************/
+#define ICM_CFG_offISET 0 /* I-cache sets (# of cache lines) per way */
+#define ICM_CFG_offIWAY 3 /* I-cache ways */
+#define ICM_CFG_offISZ 6 /* I-cache line size */
+#define ICM_CFG_offILCK 9 /* I-cache locking support */
+#define ICM_CFG_offILMB 10 /* On-chip ILM banks */
+#define ICM_CFG_offBSAV 13 /* ILM base register alignment version */
+/* bit 15:31 reserved */
+
+#define ICM_CFG_mskISET ( 0x7 << ICM_CFG_offISET )
+#define ICM_CFG_mskIWAY ( 0x7 << ICM_CFG_offIWAY )
+#define ICM_CFG_mskISZ ( 0x7 << ICM_CFG_offISZ )
+#define ICM_CFG_mskILCK ( 0x1 << ICM_CFG_offILCK )
+#define ICM_CFG_mskILMB ( 0x7 << ICM_CFG_offILMB )
+#define ICM_CFG_mskBSAV ( 0x3 << ICM_CFG_offBSAV )
+
+/******************************************************************************
+ * cr2: DCM_CFG (Data Cache/Memory Configuration Register)
+ *****************************************************************************/
+#define DCM_CFG_offDSET 0 /* D-cache sets (# of cache lines) per way */
+#define DCM_CFG_offDWAY 3 /* D-cache ways */
+#define DCM_CFG_offDSZ 6 /* D-cache line size */
+#define DCM_CFG_offDLCK 9 /* D-cache locking support */
+#define DCM_CFG_offDLMB 10 /* On-chip DLM banks */
+#define DCM_CFG_offBSAV 13 /* DLM base register alignment version */
+/* bit 15:31 reserved */
+
+#define DCM_CFG_mskDSET ( 0x7 << DCM_CFG_offDSET )
+#define DCM_CFG_mskDWAY ( 0x7 << DCM_CFG_offDWAY )
+#define DCM_CFG_mskDSZ ( 0x7 << DCM_CFG_offDSZ )
+#define DCM_CFG_mskDLCK ( 0x1 << DCM_CFG_offDLCK )
+#define DCM_CFG_mskDLMB ( 0x7 << DCM_CFG_offDLMB )
+#define DCM_CFG_mskBSAV ( 0x3 << DCM_CFG_offBSAV )
+
+/******************************************************************************
+ * cr3: MMU_CFG (MMU Configuration Register)
+ *****************************************************************************/
+#define MMU_CFG_offMMPS 0 /* Memory management protection scheme */
+#define MMU_CFG_offMMPV 2 /* Memory management protection version number */
+#define MMU_CFG_offFATB 7 /* Fully-associative or non-fully-associative TLB */
+
+#ifdef CONFIG_FULL_ASSOC
+#define MMU_CFG_offFATBSZ 8 /* TLB entries while using full-associative TLB */
+#else
+#define MMU_CFG_offTBW 8 /* TLB ways(non-associative) TBS */
+#define MMU_CFG_offTBS 11 /* TLB sets per way(non-associative) TBS */
+/* bit 14:14 reserved */
+#endif
+
+#define MMU_CFG_offEP8MIN4 15 /* 8KB page supported while minimum page is 4KB */
+#define MMU_CFG_offfEPSZ 16 /* Extra page size supported */
+#define MMU_CFG_offTLBLCK 24 /* TLB locking support */
+#define MMU_CFG_offHPTWK 25 /* Hardware Page Table Walker implemented */
+#define MMU_CFG_offDE 26 /* Default endian */
+#define MMU_CFG_offNTPT 27 /* Partitions for non-translated attributes */
+#define MMU_CFG_offIVTB 28 /* Invisible TLB */
+#define MMU_CFG_offVLPT 29 /* VLPT for fast TLB fill handling implemented */
+#define MMU_CFG_offNTME 30 /* Non-translated VA to PA mapping */
+/* bit 31 reserved */
+
+#define MMU_CFG_mskMMPS ( 0x3 << MMU_CFG_offMMPS )
+#define MMU_CFG_mskMMPV ( 0x1F << MMU_CFG_offMMPV )
+#define MMU_CFG_mskFATB ( 0x1 << MMU_CFG_offFATB )
+#ifdef CONFIG_FULL_ASSOC
+#define MMU_CFG_mskFATBSZ ( 0x7f << MMU_CFG_offFATBSZ )
+#else
+#define MMU_CFG_mskTBW ( 0x7 << MMU_CFG_offTBW )
+#define MMU_CFG_mskTBS ( 0x7 << MMU_CFG_offTBS )
+#endif
+#define MMU_CFG_mskEP8MIN4 ( 0x1 << MMU_CFG_offEP8MIN4 )
+#define MMU_CFG_mskfEPSZ ( 0xFF << MMU_CFG_offfEPSZ )
+#define MMU_CFG_mskTLBLCK ( 0x1 << MMU_CFG_offTLBLCK )
+#define MMU_CFG_mskHPTWK ( 0x1 << MMU_CFG_offHPTWK )
+#define MMU_CFG_mskDE ( 0x1 << MMU_CFG_offDE )
+#define MMU_CFG_mskNTPT ( 0x1 << MMU_CFG_offNTPT )
+#define MMU_CFG_mskIVTB ( 0x1 << MMU_CFG_offIVTB )
+#define MMU_CFG_mskVLPT ( 0x1 << MMU_CFG_offVLPT )
+#define MMU_CFG_mskNTME ( 0x1 << MMU_CFG_offNTME )
+
+/******************************************************************************
+ * cr4: MSC_CFG (Misc Configuration Register)
+ *****************************************************************************/
+#define MSC_CFG_offEDM 0
+#define MSC_CFG_offLMDMA 1
+#define MSC_CFG_offPFM 2
+#define MSC_CFG_offHSMP 3
+#define MSC_CFG_offTRACE 4
+#define MSC_CFG_offDIV 5
+#define MSC_CFG_offMAC 6
+#define MSC_CFG_offAUDIO 7
+#define MSC_CFG_offL2C 9
+#define MSC_CFG_offRDREG 10
+#define MSC_CFG_offADR24 11
+#define MSC_CFG_offINTLC 12
+#define MSC_CFG_offBASEV 13
+#define MSC_CFG_offNOD 16
+/* bit 13:31 reserved */
+
+#define MSC_CFG_mskEDM ( 0x1 << MSC_CFG_offEDM )
+#define MSC_CFG_mskLMDMA ( 0x1 << MSC_CFG_offLMDMA )
+#define MSC_CFG_mskPFM ( 0x1 << MSC_CFG_offPFM )
+#define MSC_CFG_mskHSMP ( 0x1 << MSC_CFG_offHSMP )
+#define MSC_CFG_mskTRACE ( 0x1 << MSC_CFG_offTRACE )
+#define MSC_CFG_mskDIV ( 0x1 << MSC_CFG_offDIV )
+#define MSC_CFG_mskMAC ( 0x1 << MSC_CFG_offMAC )
+#define MSC_CFG_mskAUDIO ( 0x3 << MSC_CFG_offAUDIO )
+#define MSC_CFG_mskL2C ( 0x1 << MSC_CFG_offL2C )
+#define MSC_CFG_mskRDREG ( 0x1 << MSC_CFG_offRDREG )
+#define MSC_CFG_mskADR24 ( 0x1 << MSC_CFG_offADR24 )
+#define MSC_CFG_mskINTLC ( 0x1 << MSC_CFG_offINTLC )
+#define MSC_CFG_mskBASEV ( 0x7 << MSC_CFG_offBASEV )
+#define MSC_CFG_mskNOD ( 0x1 << MSC_CFG_offNOD )
+
+/******************************************************************************
+ * cr5: CORE_CFG (Core Identification Register)
+ *****************************************************************************/
+#define CORE_ID_offCOREID 0
+/* bit 4:31 reserved */
+
+#define CORE_ID_mskCOREID ( 0xF << CORE_ID_offCOREID )
+
+/******************************************************************************
+ * cr6: FUCOP_EXIST (FPU and Coprocessor Existence Configuration Register)
+ *****************************************************************************/
+#define FUCOP_EXIST_offCP0EX 0
+#define FUCOP_EXIST_offCP1EX 1
+#define FUCOP_EXIST_offCP2EX 2
+#define FUCOP_EXIST_offCP3EX 3
+#define FUCOP_EXIST_offCP0ISFPU 31
+
+#define FUCOP_EXIST_mskCP0EX ( 0x1 << FUCOP_EXIST_offCP0EX )
+#define FUCOP_EXIST_mskCP1EX ( 0x1 << FUCOP_EXIST_offCP1EX )
+#define FUCOP_EXIST_mskCP2EX ( 0x1 << FUCOP_EXIST_offCP2EX )
+#define FUCOP_EXIST_mskCP3EX ( 0x1 << FUCOP_EXIST_offCP3EX )
+#define FUCOP_EXIST_mskCP0ISFPU ( 0x1 << FUCOP_EXIST_offCP0ISFPU )
+
+/******************************************************************************
+ * ir0: PSW (Processor Status Word Register)
+ * ir1: IPSW (Interruption PSW Register)
+ * ir2: P_IPSW (Previous IPSW Register)
+ *****************************************************************************/
+#define PSW_offGIE 0 /* Global Interrupt Enable */
+#define PSW_offINTL 1 /* Interruption Stack Level */
+#define PSW_offPOM 3 /* Processor Operation Mode, User/Superuser */
+#define PSW_offBE 5 /* Endianness for data memory access, 1:MSB, 0:LSB */
+#define PSW_offIT 6 /* Enable instruction address translation */
+#define PSW_offDT 7 /* Enable data address translation */
+#define PSW_offIME 8 /* Instruction Machine Error flag */
+#define PSW_offDME 9 /* Data Machine Error flag */
+#define PSW_offDEX 10 /* Debug Exception */
+#define PSW_offHSS 11 /* Hardware Single Stepping */
+#define PSW_offDRBE 12 /* Device Register Endian Mode */
+#define PSW_offAEN 13 /* Audio ISA special feature */
+#define PSW_offWBNA 14 /* Write Back Non-Allocate */
+#define PSW_offIFCON 15 /* IFC On */
+#define PSW_offCPL 16 /* Current Priority Level */
+/* bit 19:31 reserved */
+
+#define PSW_mskGIE ( 0x1 << PSW_offGIE )
+#define PSW_mskINTL ( 0x3 << PSW_offINTL )
+#define PSW_mskPOM ( 0x3 << PSW_offPOM )
+#define PSW_mskBE ( 0x1 << PSW_offBE )
+#define PSW_mskIT ( 0x1 << PSW_offIT )
+#define PSW_mskDT ( 0x1 << PSW_offDT )
+#define PSW_mskIME ( 0x1 << PSW_offIME )
+#define PSW_mskDME ( 0x1 << PSW_offDME )
+#define PSW_mskDEX ( 0x1 << PSW_offDEX )
+#define PSW_mskHSS ( 0x1 << PSW_offHSS )
+#define PSW_mskDRBE ( 0x1 << PSW_offDRBE )
+#define PSW_mskAEN ( 0x1 << PSW_offAEN )
+#define PSW_mskWBNA ( 0x1 << PSW_offWBNA )
+#define PSW_mskIFCON ( 0x1 << PSW_offIFCON )
+#define PSW_mskCPL ( 0x7 << PSW_offCPL )
+
+#define PSW_SYSTEM ( 1 << PSW_offPOM )
+#define PSW_INTL_1 ( 1 << PSW_offINTL )
+#define PSW_CPL_NO ( 0 << PSW_offCPL )
+#define PSW_CPL_ANY ( 7 << PSW_offCPL )
+
+#define PSW_clr (PSW_mskGIE|PSW_mskINTL|PSW_mskPOM|PSW_mskIT|PSW_mskDT|PSW_mskIME|PSW_mskWBNA)
+#ifdef __NDS32_EB__
+#ifdef CONFIG_WBNA
+#define PSW_init (PSW_mskWBNA|(1<<PSW_offINTL)|(1<<PSW_offPOM)|PSW_mskIT|PSW_mskDT|PSW_mskBE)
+#else
+#define PSW_init ((1<<PSW_offINTL)|(1<<PSW_offPOM)|PSW_mskIT|PSW_mskDT|PSW_mskBE)
+#endif
+#else
+#ifdef CONFIG_WBNA
+#define PSW_init (PSW_mskWBNA|(1<<PSW_offINTL)|(1<<PSW_offPOM)|PSW_mskIT|PSW_mskDT)
+#else
+#define PSW_init ((1<<PSW_offINTL)|(1<<PSW_offPOM)|PSW_mskIT|PSW_mskDT)
+#endif
+#endif
+/******************************************************************************
+ * ir3: IVB (Interruption Vector Base Register)
+ *****************************************************************************/
+/* bit 0:12 reserved */
+#define IVB_offNIVIC 1 /* Number of input for IVIC Controller */
+#define IVB_offIVIC_VER 11 /* IVIC Version */
+#define IVB_offEVIC 13 /* External Vector Interrupt Controller mode */
+#define IVB_offESZ 14 /* Size of each vector entry */
+#define IVB_offIVBASE 16 /* BasePA of interrupt vector table */
+
+#define IVB_mskNIVIC ( 0x7 << IVB_offNIVIC )
+#define IVB_mskIVIC_VER ( 0x3 << IVB_offIVIC_VER )
+#define IVB_mskEVIC ( 0x1 << IVB_offEVIC )
+#define IVB_mskESZ ( 0x3 << IVB_offESZ )
+#define IVB_mskIVBASE ( 0xFFFF << IVB_offIVBASE )
+
+#define IVB_valESZ4 0
+#define IVB_valESZ16 1
+#define IVB_valESZ64 2
+#define IVB_valESZ256 3
+/******************************************************************************
+ * ir4: EVA (Exception Virtual Address Register)
+ * ir5: P_EVA (Previous EVA Register)
+ *****************************************************************************/
+
+ /* This register contains the VA that causes the exception */
+
+/******************************************************************************
+ * ir6: ITYPE (Interruption Type Register)
+ * ir7: P_ITYPE (Previous ITYPE Register)
+ *****************************************************************************/
+#define ITYPE_offETYPE 0 /* Exception Type */
+#define ITYPE_offINST 4 /* Exception caused by insn fetch or data access */
+/* bit 5:15 reserved */
+#define ITYPE_offVECTOR 5 /* Vector */
+#define ITYPE_offSWID 16 /* SWID of debugging exception */
+/* bit 31:31 reserved */
+
+#define ITYPE_mskETYPE ( 0xF << ITYPE_offETYPE )
+#define ITYPE_mskINST ( 0x1 << ITYPE_offINST )
+#define ITYPE_mskVECTOR ( 0x7F << ITYPE_offVECTOR )
+#define ITYPE_mskSWID ( 0x7FFF << ITYPE_offSWID )
+
+/* Additional definitions for ITYPE register */
+#define ITYPE_offSTYPE 16 /* Arithmetic Sub Type */
+#define ITYPE_offCPID 20 /* Co-Processor ID which generate the exception */
+
+#define ITYPE_mskSTYPE ( 0xF << ITYPE_offSTYPE )
+#define ITYPE_mskCPID ( 0x3 << ITYPE_offCPID )
+
+#define NDS32_VECTOR_mskNONEXCEPTION 0x78
+#define NDS32_VECTOR_offEXCEPTION 8
+#define NDS32_VECTOR_offINTERRUPT 9
+
+/* Interrupt vector entry */
+#define ENTRY_RESET_NMI 0
+#define ENTRY_TLB_FILL 1
+#define ENTRY_PTE_NOT_PRESENT 2
+#define ENTRY_TLB_MISC 3
+#define ENTRY_TLB_VLPT_MISS 4
+#define ENTRY_MACHINE_ERROR 5
+#define ENTRY_DEBUG_RELATED 6
+#define ENTRY_GENERAL_EXCPETION 7
+#define ENTRY_SYSCALL 8
+
+/* PTE not present exception definition */
+#define ETYPE_NON_LEAF_PTE_NOT_PRESENT 0
+#define ETYPE_LEAF_PTE_NOT_PRESENT 1
+
+/* General exception ETYPE definition */
+#define ETYPE_ALIGNMENT_CHECK 0
+#define ETYPE_RESERVED_INSTRUCTION 1
+#define ETYPE_TRAP 2
+#define ETYPE_ARITHMETIC 3
+#define ETYPE_PRECISE_BUS_ERROR 4
+#define ETYPE_IMPRECISE_BUS_ERROR 5
+#define ETYPE_COPROCESSOR 6
+#define ETYPE_RESERVED_VALUE 7
+#define ETYPE_NONEXISTENT_MEM_ADDRESS 8
+#define ETYPE_MPZIU_CONTROL 9
+#define ETYPE_NEXT_PRECISE_STACK_OFL 10
+
+/* Kerenl reserves software ID */
+#define SWID_RAISE_INTERRUPT_LEVEL 0x1a /* SWID_RAISE_INTERRUPT_LEVEL is used to
+ * raise interrupt level for debug exception
+ */
+
+/******************************************************************************
+ * ir8: MERR (Machine Error Log Register)
+ *****************************************************************************/
+/* bit 0:30 reserved */
+#define MERR_offBUSERR 31 /* Bus error caused by a load insn */
+
+#define MERR_mskBUSERR ( 0x1 << MERR_offBUSERR )
+
+/******************************************************************************
+ * ir9: IPC (Interruption Program Counter Register)
+ * ir10: P_IPC (Previous IPC Register)
+ * ir11: OIPC (Overflow Interruption Program Counter Register)
+ *****************************************************************************/
+
+ /* This is the shadow stack register of the Program Counter */
+
+/******************************************************************************
+ * ir12: P_P0 (Previous P0 Register)
+ * ir13: P_P1 (Previous P1 Register)
+ *****************************************************************************/
+
+ /* These are shadow registers of $p0 and $p1 */
+
+/******************************************************************************
+ * ir14: INT_MASK (Interruption Masking Register)
+ *****************************************************************************/
+#define INT_MASK_offH0IM 0 /* Hardware Interrupt 0 Mask bit */
+#define INT_MASK_offH1IM 1 /* Hardware Interrupt 1 Mask bit */
+#define INT_MASK_offH2IM 2 /* Hardware Interrupt 2 Mask bit */
+#define INT_MASK_offH3IM 3 /* Hardware Interrupt 3 Mask bit */
+#define INT_MASK_offH4IM 4 /* Hardware Interrupt 4 Mask bit */
+#define INT_MASK_offH5IM 5 /* Hardware Interrupt 5 Mask bit */
+/* bit 6:15 reserved */
+#define INT_MASK_offSIM 16 /* Software Interrupt Mask bit */
+/* bit 17:29 reserved */
+#define INT_MASK_offIDIVZE 30 /* Enable detection for Divide-By-Zero */
+#define INT_MASK_offDSSIM 31 /* Default Single Stepping Interruption Mask */
+
+#define INT_MASK_mskH0IM ( 0x1 << INT_MASK_offH0IM )
+#define INT_MASK_mskH1IM ( 0x1 << INT_MASK_offH1IM )
+#define INT_MASK_mskH2IM ( 0x1 << INT_MASK_offH2IM )
+#define INT_MASK_mskH3IM ( 0x1 << INT_MASK_offH3IM )
+#define INT_MASK_mskH4IM ( 0x1 << INT_MASK_offH4IM )
+#define INT_MASK_mskH5IM ( 0x1 << INT_MASK_offH5IM )
+#define INT_MASK_mskSIM ( 0x1 << INT_MASK_offSIM )
+#define INT_MASK_mskIDIVZE ( 0x1 << INT_MASK_offIDIVZE )
+#define INT_MASK_mskDSSIM ( 0x1 << INT_MASK_offDSSIM )
+
+#define INT_MASK_INITAIAL_VAL 0x10003
+
+/******************************************************************************
+ * ir15: INT_PEND (Interrupt Pending Register)
+ *****************************************************************************/
+#define INT_PEND_offH0I 0 /* Hardware Interrupt 0 pending bit */
+#define INT_PEND_offH1I 1 /* Hardware Interrupt 1 pending bit */
+#define INT_PEND_offH2I 2 /* Hardware Interrupt 2 pending bit */
+#define INT_PEND_offH3I 3 /* Hardware Interrupt 3 pending bit */
+#define INT_PEND_offH4I 4 /* Hardware Interrupt 4 pending bit */
+#define INT_PEND_offH5I 5 /* Hardware Interrupt 5 pending bit */
+
+#define INT_PEND_offCIPL 0 /* Current Interrupt Priority Level */
+
+/* bit 6:15 reserved */
+#define INT_PEND_offSWI 16 /* Software Interrupt pending bit */
+/* bit 17:31 reserved */
+
+#define INT_PEND_mskH0I ( 0x1 << INT_PEND_offH0I )
+#define INT_PEND_mskH1I ( 0x1 << INT_PEND_offH1I )
+#define INT_PEND_mskH2I ( 0x1 << INT_PEND_offH2I )
+#define INT_PEND_mskH3I ( 0x1 << INT_PEND_offH3I )
+#define INT_PEND_mskH4I ( 0x1 << INT_PEND_offH4I )
+#define INT_PEND_mskH5I ( 0x1 << INT_PEND_offH5I )
+#define INT_PEND_mskCIPL ( 0x1 << INT_PEND_offCIPL )
+#define INT_PEND_mskSWI ( 0x1 << INT_PEND_offSWI )
+
+/******************************************************************************
+ * mr0: MMU_CTL (MMU Control Register)
+ *****************************************************************************/
+#define MMU_CTL_offD 0 /* Default minimum page size */
+#define MMU_CTL_offNTC0 1 /* Non-Translated Cachebility of partition 0 */
+#define MMU_CTL_offNTC1 3 /* Non-Translated Cachebility of partition 1 */
+#define MMU_CTL_offNTC2 5 /* Non-Translated Cachebility of partition 2 */
+#define MMU_CTL_offNTC3 7 /* Non-Translated Cachebility of partition 3 */
+#define MMU_CTL_offTBALCK 9 /* TLB all-lock resolution scheme */
+#define MMU_CTL_offMPZIU 10 /* Multiple Page Size In Use bit */
+#define MMU_CTL_offNTM0 11 /* Non-Translated VA to PA of partition 0 */
+#define MMU_CTL_offNTM1 13 /* Non-Translated VA to PA of partition 1 */
+#define MMU_CTL_offNTM2 15 /* Non-Translated VA to PA of partition 2 */
+#define MMU_CTL_offNTM3 17 /* Non-Translated VA to PA of partition 3 */
+/* bit 19:31 reserved */
+
+#define MMU_CTL_mskD ( 0x1 << MMU_CTL_offD )
+#define MMU_CTL_mskNTC0 ( 0x3 << MMU_CTL_offNTC0 )
+#define MMU_CTL_mskNTC1 ( 0x3 << MMU_CTL_offNTC1 )
+#define MMU_CTL_mskNTC2 ( 0x3 << MMU_CTL_offNTC2 )
+#define MMU_CTL_mskNTC3 ( 0x3 << MMU_CTL_offNTC3 )
+#define MMU_CTL_mskTBALCK ( 0x1 << MMU_CTL_offTBALCK )
+#define MMU_CTL_mskMPZIU ( 0x1 << MMU_CTL_offMPZIU )
+#define MMU_CTL_mskNTM0 ( 0x3 << MMU_CTL_offNTM0 )
+#define MMU_CTL_mskNTM1 ( 0x3 << MMU_CTL_offNTM1 )
+#define MMU_CTL_mskNTM2 ( 0x3 << MMU_CTL_offNTM2 )
+#define MMU_CTL_mskNTM3 ( 0x3 << MMU_CTL_offNTM3 )
+
+#define MMU_CTL_D4KB 0
+#define MMU_CTL_D8KB 1
+
+#define MMU_CTL_CACHEABLE_WB 2
+#define MMU_CTL_CACHEABLE_WT 3
+
+/******************************************************************************
+ * mr1: L1_PPTB (L1 Physical Page Table Base Register)
+ *****************************************************************************/
+#define L1_PPTB_offNV 0 /* Enable Hardware Page Table Walker (HPTWK) */
+/* bit 1:11 reserved */
+#define L1_PPTB_offBASE 12 /* First level physical page table base address */
+
+#define L1_PPTB_mskNV ( 0x1 << L1_PPTB_offNV )
+#define L1_PPTB_mskBASE ( 0xFFFFF << L1_PPTB_offBASE )
+
+/******************************************************************************
+ * mr2: TLB_VPN (TLB Access VPN Register)
+ *****************************************************************************/
+/* bit 0:11 reserved */
+#define TLB_VPN_offVPN 12 /* Virtual Page Number */
+
+#define TLB_VPN_mskVPN ( 0xFFFFF << TLB_VPN_offVPN )
+
+/******************************************************************************
+ * mr3: TLB_DATA (TLB Access Data Register)
+ *****************************************************************************/
+#define TLB_DATA_offV 0 /* PTE is valid and present */
+#define TLB_DATA_offM 1 /* Page read/write access privilege */
+#define TLB_DATA_offD 4 /* Dirty bit */
+#define TLB_DATA_offX 5 /* Executable bit */
+#define TLB_DATA_offA 6 /* Access bit */
+#define TLB_DATA_offG 7 /* Global page (shared across contexts) */
+#define TLB_DATA_offC 8 /* Cacheability atribute */
+/* bit 11:11 reserved */
+#define TLB_DATA_offPPN 12 /* Phisical Page Number */
+
+#define TLB_DATA_mskV ( 0x1 << TLB_DATA_offV )
+#define TLB_DATA_mskM ( 0x7 << TLB_DATA_offM )
+#define TLB_DATA_mskD ( 0x1 << TLB_DATA_offD )
+#define TLB_DATA_mskX ( 0x1 << TLB_DATA_offX )
+#define TLB_DATA_mskA ( 0x1 << TLB_DATA_offA )
+#define TLB_DATA_mskG ( 0x1 << TLB_DATA_offG )
+#define TLB_DATA_mskC ( 0x7 << TLB_DATA_offC )
+#define TLB_DATA_mskPPN ( 0xFFFFF << TLB_DATA_offPPN )
+
+#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
+#define TLB_DATA_kernel_text_attr (TLB_DATA_mskV|TLB_DATA_mskM|TLB_DATA_mskD|TLB_DATA_mskX|TLB_DATA_mskG|TLB_DATA_mskC)
+#else
+#define TLB_DATA_kernel_text_attr (TLB_DATA_mskV|TLB_DATA_mskM|TLB_DATA_mskD|TLB_DATA_mskX|TLB_DATA_mskG|(0x6 << TLB_DATA_offC))
+#endif
+
+/******************************************************************************
+ * mr4: TLB_MISC (TLB Access Misc Register)
+ *****************************************************************************/
+#define TLB_MISC_offACC_PSZ 0 /* Page size of a PTE entry */
+#define TLB_MISC_offCID 4 /* Context id */
+/* bit 13:31 reserved */
+
+#define TLB_MISC_mskACC_PSZ ( 0xF << TLB_MISC_offACC_PSZ )
+#define TLB_MISC_mskCID ( 0x1FF << TLB_MISC_offCID )
+
+/******************************************************************************
+ * mr5: VLPT_IDX (Virtual Linear Page Table Index Register)
+ *****************************************************************************/
+#define VLPT_IDX_offZERO 0 /* Always 0 */
+#define VLPT_IDX_offEVPN 2 /* Exception Virtual Page Number */
+#define VLPT_IDX_offVLPTB 22 /* Base VA of VLPT */
+
+#define VLPT_IDX_mskZERO ( 0x3 << VLPT_IDX_offZERO )
+#define VLPT_IDX_mskEVPN ( 0xFFFFF << VLPT_IDX_offEVPN )
+#define VLPT_IDX_mskVLPTB ( 0x3FF << VLPT_IDX_offVLPTB )
+
+/******************************************************************************
+ * mr6: ILMB (Instruction Local Memory Base Register)
+ *****************************************************************************/
+#define ILMB_offIEN 0 /* Enable ILM */
+#define ILMB_offILMSZ 1 /* Size of ILM */
+/* bit 5:19 reserved */
+#define ILMB_offIBPA 20 /* Base PA of ILM */
+
+#define ILMB_mskIEN ( 0x1 << ILMB_offIEN )
+#define ILMB_mskILMSZ ( 0xF << ILMB_offILMSZ )
+#define ILMB_mskIBPA ( 0xFFF << ILMB_offIBPA )
+
+/******************************************************************************
+ * mr7: DLMB (Data Local Memory Base Register)
+ *****************************************************************************/
+#define DLMB_offDEN 0 /* Enable DLM */
+#define DLMB_offDLMSZ 1 /* Size of DLM */
+#define DLMB_offDBM 5 /* Enable Double-Buffer Mode for DLM */
+#define DLMB_offDBB 6 /* Double-buffer bank which can be accessed by the processor */
+/* bit 7:19 reserved */
+#define DLMB_offDBPA 20 /* Base PA of DLM */
+
+#define DLMB_mskDEN ( 0x1 << DLMB_offDEN )
+#define DLMB_mskDLMSZ ( 0xF << DLMB_offDLMSZ )
+#define DLMB_mskDBM ( 0x1 << DLMB_offDBM )
+#define DLMB_mskDBB ( 0x1 << DLMB_offDBB )
+#define DLMB_mskDBPA ( 0xFFF << DLMB_offDBPA )
+
+/******************************************************************************
+ * mr8: CACHE_CTL (Cache Control Register)
+ *****************************************************************************/
+#define CACHE_CTL_offIC_EN 0 /* Enable I-cache */
+#define CACHE_CTL_offDC_EN 1 /* Enable D-cache */
+#define CACHE_CTL_offICALCK 2 /* I-cache all-lock resolution scheme */
+#define CACHE_CTL_offDCALCK 3 /* D-cache all-lock resolution scheme */
+#define CACHE_CTL_offDCCWF 4 /* Enable D-cache Critical Word Forwarding */
+#define CACHE_CTL_offDCPMW 5 /* Enable D-cache concurrent miss and write-back processing */
+/* bit 6:31 reserved */
+
+#define CACHE_CTL_mskIC_EN ( 0x1 << CACHE_CTL_offIC_EN )
+#define CACHE_CTL_mskDC_EN ( 0x1 << CACHE_CTL_offDC_EN )
+#define CACHE_CTL_mskICALCK ( 0x1 << CACHE_CTL_offICALCK )
+#define CACHE_CTL_mskDCALCK ( 0x1 << CACHE_CTL_offDCALCK )
+#define CACHE_CTL_mskDCCWF ( 0x1 << CACHE_CTL_offDCCWF )
+#define CACHE_CTL_mskDCPMW ( 0x1 << CACHE_CTL_offDCPMW )
+
+/******************************************************************************
+ * mr9: HSMP_SADDR (High Speed Memory Port Starting Address)
+ *****************************************************************************/
+#define HSMP_SADDR_offEN 0 /* Enable control bit for the High Speed Memory port */
+/* bit 1:19 reserved */
+
+#define HSMP_SADDR_offRANGE 1 /* Denote the address range (only defined in HSMP v2 ) */
+#define HSMP_SADDR_offSADDR 20 /* Starting base PA of the High Speed Memory Port region */
+
+#define HSMP_SADDR_mskEN ( 0x1 << HSMP_SADDR_offEN )
+#define HSMP_SADDR_mskRANGE ( 0xFFF << HSMP_SADDR_offRANGE )
+#define HSMP_SADDR_mskSADDR ( 0xFFF << HSMP_SADDR_offSADDR )
+
+/******************************************************************************
+ * mr10: HSMP_EADDR (High Speed Memory Port Ending Address)
+ *****************************************************************************/
+/* bit 0:19 reserved */
+#define HSMP_EADDR_offEADDR 20
+
+#define HSMP_EADDR_mskEADDR ( 0xFFF << HSMP_EADDR_offEADDR )
+
+/******************************************************************************
+ * dr0+(n*5): BPCn (n=0-7) (Breakpoint Control Register)
+ *****************************************************************************/
+#define BPC_offWP 0 /* Configuration of BPAn */
+#define BPC_offEL 1 /* Enable BPAn */
+#define BPC_offS 2 /* Data address comparison for a store instruction */
+#define BPC_offP 3 /* Compared data address is PA */
+#define BPC_offC 4 /* CID value is compared with the BPCIDn register */
+#define BPC_offBE0 5 /* Enable byte mask for the comparison with register */
+#define BPC_offBE1 6 /* Enable byte mask for the comparison with register */
+#define BPC_offBE2 7 /* Enable byte mask for the comparison with register */
+#define BPC_offBE3 8 /* Enable byte mask for the comparison with register */
+#define BPC_offT 9 /* Enable breakpoint Embedded Tracer triggering operation */
+
+#define BPC_mskWP ( 0x1 << BPC_offWP )
+#define BPC_mskEL ( 0x1 << BPC_offEL )
+#define BPC_mskS ( 0x1 << BPC_offS )
+#define BPC_mskP ( 0x1 << BPC_offP )
+#define BPC_mskC ( 0x1 << BPC_offC )
+#define BPC_mskBE0 ( 0x1 << BPC_offBE0 )
+#define BPC_mskBE1 ( 0x1 << BPC_offBE1 )
+#define BPC_mskBE2 ( 0x1 << BPC_offBE2 )
+#define BPC_mskBE3 ( 0x1 << BPC_offBE3 )
+#define BPC_mskT ( 0x1 << BPC_offT )
+
+/******************************************************************************
+ * dr1+(n*5): BPAn (n=0-7) (Breakpoint Address Register)
+ *****************************************************************************/
+
+ /* These registers contain break point address */
+
+/******************************************************************************
+ * dr2+(n*5): BPAMn (n=0-7) (Breakpoint Address Mask Register)
+ *****************************************************************************/
+
+ /* These registerd contain the address comparison mask for the BPAn register */
+
+/******************************************************************************
+ * dr3+(n*5): BPVn (n=0-7) Breakpoint Data Value Register
+ *****************************************************************************/
+
+ /* The BPVn register contains the data value that will be compared with the
+ * incoming load/store data value */
+
+/******************************************************************************
+ * dr4+(n*5): BPCIDn (n=0-7) (Breakpoint Context ID Register)
+ *****************************************************************************/
+#define BPCID_offCID 0 /* CID that will be compared with a process's CID */
+/* bit 9:31 reserved */
+
+#define BPCID_mskCID ( 0x1FF << BPCID_offCID )
+
+/******************************************************************************
+ * dr40: EDM_CFG (EDM Configuration Register)
+ *****************************************************************************/
+#define EDM_CFG_offBC 0 /* Number of hardware breakpoint sets implemented */
+#define EDM_CFG_offDIMU 3 /* Debug Instruction Memory Unit exists */
+/* bit 4:15 reserved */
+#define EDM_CFG_offVER 16 /* EDM version */
+
+#define EDM_CFG_mskBC ( 0x7 << EDM_CFG_offBC )
+#define EDM_CFG_mskDIMU ( 0x1 << EDM_CFG_offDIMU )
+#define EDM_CFG_mskVER ( 0xFFFF << EDM_CFG_offVER )
+
+/******************************************************************************
+ * dr41: EDMSW (EDM Status Word)
+ *****************************************************************************/
+#define EDMSW_offWV 0 /* Write Valid */
+#define EDMSW_offRV 1 /* Read Valid */
+#define EDMSW_offDE 2 /* Debug exception has occurred for this core */
+/* bit 3:31 reserved */
+
+#define EDMSW_mskWV ( 0x1 << EDMSW_offWV )
+#define EDMSW_mskRV ( 0x1 << EDMSW_offRV )
+#define EDMSW_mskDE ( 0x1 << EDMSW_offDE )
+
+/******************************************************************************
+ * dr42: EDM_CTL (EDM Control Register)
+ *****************************************************************************/
+/* bit 0:30 reserved */
+#define EDM_CTL_offV3_EDM_MODE 6 /* EDM compatibility control bit */
+#define EDM_CTL_offDEH_SEL 31 /* Controls where debug exception is directed to */
+
+#define EDM_CTL_mskV3_EDM_MODE ( 0x1 << EDM_CTL_offV3_EDM_MODE )
+#define EDM_CTL_mskDEH_SEL ( 0x1 << EDM_CTL_offDEH_SEL )
+
+/******************************************************************************
+ * dr43: EDM_DTR (EDM Data Transfer Register)
+ *****************************************************************************/
+
+ /* This is used to exchange data between the embedded EDM logic
+ * and the processor core */
+
+/******************************************************************************
+ * dr44: BPMTC (Breakpoint Match Trigger Counter Register)
+ *****************************************************************************/
+#define BPMTC_offBPMTC 0 /* Breakpoint match trigger counter value */
+/* bit 16:31 reserved */
+
+#define BPMTC_mskBPMTC ( 0xFFFF << BPMTC_offBPMTC )
+
+/******************************************************************************
+ * dr45: DIMBR (Debug Instruction Memory Base Register)
+ *****************************************************************************/
+/* bit 0:11 reserved */
+#define DIMBR_offDIMB 12 /* Base address of the Debug Instruction Memory (DIM) */
+#define DIMBR_mskDIMB ( 0xFFFFF << DIMBR_offDIMB )
+
+/******************************************************************************
+ * dr46: TECR0(Trigger Event Control register 0)
+ * dr47: TECR1 (Trigger Event Control register 1)
+ *****************************************************************************/
+#define TECR_offBP 0 /* Controld which BP is used as a trigger source */
+#define TECR_offNMI 8 /* Use NMI as a trigger source */
+#define TECR_offHWINT 9 /* Corresponding interrupt is used as a trigger source */
+#define TECR_offEVIC 15 /* Enable HWINT as a trigger source in EVIC mode */
+#define TECR_offSYS 16 /* Enable SYSCALL instruction as a trigger source */
+#define TECR_offDBG 17 /* Enable debug exception as a trigger source */
+#define TECR_offMRE 18 /* Enable MMU related exception as a trigger source */
+#define TECR_offE 19 /* An exception is used as a trigger source */
+/* bit 20:30 reserved */
+#define TECR_offL 31 /* Link/Cascade TECR0 trigger event to TECR1 trigger event */
+
+#define TECR_mskBP ( 0xFF << TECR_offBP )
+#define TECR_mskNMI ( 0x1 << TECR_offBNMI )
+#define TECR_mskHWINT ( 0x3F << TECR_offBHWINT )
+#define TECR_mskEVIC ( 0x1 << TECR_offBEVIC )
+#define TECR_mskSYS ( 0x1 << TECR_offBSYS )
+#define TECR_mskDBG ( 0x1 << TECR_offBDBG )
+#define TECR_mskMRE ( 0x1 << TECR_offBMRE )
+#define TECR_mskE ( 0x1 << TECR_offE )
+#define TECR_mskL ( 0x1 << TECR_offL )
+
+/******************************************************************************
+ * pfr0-2: PFMC0-2 (Performance Counter Register 0-2)
+ *****************************************************************************/
+
+ /* These registers contains performance event count */
+
+/******************************************************************************
+ * pfr3: PFM_CTL (Performance Counter Control Register)
+ *****************************************************************************/
+#define PFM_CTL_offEN0 0 /* Enable PFMC0 */
+#define PFM_CTL_offEN1 1 /* Enable PFMC1 */
+#define PFM_CTL_offEN2 2 /* Enable PFMC2 */
+#define PFM_CTL_offIE0 3 /* Enable interrupt for PFMC0 */
+#define PFM_CTL_offIE1 4 /* Enable interrupt for PFMC1 */
+#define PFM_CTL_offIE2 5 /* Enable interrupt for PFMC2 */
+#define PFM_CTL_offOVF0 6 /* Overflow bit of PFMC0 */
+#define PFM_CTL_offOVF1 7 /* Overflow bit of PFMC1 */
+#define PFM_CTL_offOVF2 8 /* Overflow bit of PFMC2 */
+#define PFM_CTL_offKS0 9 /* Enable superuser mode event counting for PFMC0 */
+#define PFM_CTL_offKS1 10 /* Enable superuser mode event counting for PFMC1 */
+#define PFM_CTL_offKS2 11 /* Enable superuser mode event counting for PFMC2 */
+#define PFM_CTL_offKU0 12 /* Enable user mode event counting for PFMC0 */
+#define PFM_CTL_offKU1 13 /* Enable user mode event counting for PFMC1 */
+#define PFM_CTL_offKU2 14 /* Enable user mode event counting for PFMC2 */
+#define PFM_CTL_offSEL0 15 /* The event selection for PFMC0 */
+#define PFM_CTL_offSEL1 21 /* The event selection for PFMC1 */
+#define PFM_CTL_offSEL2 27 /* The event selection for PFMC2 */
+/* bit 28:31 reserved */
+
+#define PFM_CTL_mskEN0 ( 0x01 << PFM_CTL_offEN0 )
+#define PFM_CTL_mskEN1 ( 0x01 << PFM_CTL_offEN1 )
+#define PFM_CTL_mskEN2 ( 0x01 << PFM_CTL_offEN2 )
+#define PFM_CTL_mskIE0 ( 0x01 << PFM_CTL_offIE0 )
+#define PFM_CTL_mskIE1 ( 0x01 << PFM_CTL_offIE1 )
+#define PFM_CTL_mskIE2 ( 0x01 << PFM_CTL_offIE2 )
+#define PFM_CTL_mskOVF0 ( 0x01 << PFM_CTL_offOVF0 )
+#define PFM_CTL_mskOVF1 ( 0x01 << PFM_CTL_offOVF1 )
+#define PFM_CTL_mskOVF2 ( 0x01 << PFM_CTL_offOVF2 )
+#define PFM_CTL_mskKS0 ( 0x01 << PFM_CTL_offKS0 )
+#define PFM_CTL_mskKS1 ( 0x01 << PFM_CTL_offKS1 )
+#define PFM_CTL_mskKS2 ( 0x01 << PFM_CTL_offKS2 )
+#define PFM_CTL_mskKU0 ( 0x01 << PFM_CTL_offKU0 )
+#define PFM_CTL_mskKU1 ( 0x01 << PFM_CTL_offKU1 )
+#define PFM_CTL_mskKU2 ( 0x01 << PFM_CTL_offKU2 )
+#define PFM_CTL_mskSEL0 ( 0x01 << PFM_CTL_offSEL0 )
+#define PFM_CTL_mskSEL1 ( 0x3F << PFM_CTL_offSEL1 )
+#define PFM_CTL_mskSEL2 ( 0x3F << PFM_CTL_offSEL2 )
+
+/******************************************************************************
+ * SDZ_CTL (Structure Downsizing Control Register)
+ *****************************************************************************/
+#define SDZ_CTL_offICDZ 0 /* I-cache downsizing control */
+#define SDZ_CTL_offDCDZ 3 /* D-cache downsizing control */
+#define SDZ_CTL_offMTBDZ 6 /* MTLB downsizing control */
+#define SDZ_CTL_offBTBDZ 9 /* Branch Target Table downsizing control */
+/* bit 12:31 reserved */
+#define SDZ_CTL_mskICDZ ( 0x07 << SDZ_CTL_offICDZ )
+#define SDZ_CTL_mskDCDZ ( 0x07 << SDZ_CTL_offDCDZ )
+#define SDZ_CTL_mskMTBDZ ( 0x07 << SDZ_CTL_offMTBDZ )
+#define SDZ_CTL_mskBTBDZ ( 0x07 << SDZ_CTL_offBTBDZ )
+
+/******************************************************************************
+ * N13MISC_CTL (N13 Miscellaneous Control Register)
+ *****************************************************************************/
+#define N13MISC_CTL_offBTB 0 /* Disable Branch Target Buffer */
+#define N13MISC_CTL_offRTP 1 /* Disable Return Target Predictor */
+#define N13MISC_CTL_offPTEPF 2 /* Disable HPTWK L2 PTE pefetch */
+#define N13MISC_CTL_offSP_SHADOW_EN 4 /* Enable shadow stack pointers */
+/* bit 6, 9:31 reserved */
+
+#define N13MISC_CTL_makBTB ( 0x1 << N13MISC_CTL_offBTB )
+#define N13MISC_CTL_makRTP ( 0x1 << N13MISC_CTL_offRTP )
+#define N13MISC_CTL_makPTEPF ( 0x1 << N13MISC_CTL_offPTEPF )
+#define N13MISC_CTL_makSP_SHADOW_EN ( 0x1 << N13MISC_CTL_offSP_SHADOW_EN )
+
+#define MISC_init (N13MISC_CTL_makBTB|N13MISC_CTL_makRTP|N13MISC_CTL_makSP_SHADOW_EN)
+
+/******************************************************************************
+ * PRUSR_ACC_CTL (Privileged Resource User Access Control Registers)
+ *****************************************************************************/
+#define PRUSR_ACC_CTL_offDMA_EN 0 /* Allow user mode access of DMA registers */
+#define PRUSR_ACC_CTL_offPFM_EN 1 /* Allow user mode access of PFM registers */
+
+#define PRUSR_ACC_CTL_mskDMA_EN ( 0x1 << PRUSR_ACC_CTL_offDMA_EN )
+#define PRUSR_ACC_CTL_mskPFM_EN ( 0x1 << PRUSR_ACC_CTL_offPFM_EN )
+
+/******************************************************************************
+ * dmar0: DMA_CFG (DMA Configuration Register)
+ *****************************************************************************/
+#define DMA_CFG_offNCHN 0 /* The number of DMA channels implemented */
+#define DMA_CFG_offUNEA 2 /* Un-aligned External Address transfer feature */
+#define DMA_CFG_off2DET 3 /* 2-D Element Transfer feature */
+/* bit 4:15 reserved */
+#define DMA_CFG_offVER 16 /* DMA architecture and implementation version */
+
+#define DMA_CFG_mskNCHN ( 0x3 << DMA_CFG_offNCHN )
+#define DMA_CFG_mskUNEA ( 0x1 << DMA_CFG_offUNEA )
+#define DMA_CFG_msk2DET ( 0x1 << DMA_CFG_off2DET )
+#define DMA_CFG_mskVER ( 0xFFFF << DMA_CFG_offVER )
+
+/******************************************************************************
+ * dmar1: DMA_GCSW (DMA Global Control and Status Word Register)
+ *****************************************************************************/
+#define DMA_GCSW_offC0STAT 0 /* DMA channel 0 state */
+#define DMA_GCSW_offC1STAT 3 /* DMA channel 1 state */
+/* bit 6:11 reserved */
+#define DMA_GCSW_offC0INT 12 /* DMA channel 0 generate interrupt */
+#define DMA_GCSW_offC1INT 13 /* DMA channel 1 generate interrupt */
+/* bit 14:30 reserved */
+#define DMA_GCSW_offEN 31 /* Enable DMA engine */
+
+#define DMA_GCSW_mskC0STAT ( 0x7 << DMA_GCSW_offC0STAT )
+#define DMA_GCSW_mskC1STAT ( 0x7 << DMA_GCSW_offC1STAT )
+#define DMA_GCSW_mskC0INT ( 0x1 << DMA_GCSW_offC0INT )
+#define DMA_GCSW_mskC1INT ( 0x1 << DMA_GCSW_offC1INT )
+#define DMA_GCSW_mskEN ( 0x1 << DMA_GCSW_offEN )
+
+/******************************************************************************
+ * dmar2: DMA_CHNSEL (DMA Channel Selection Register)
+ *****************************************************************************/
+#define DMA_CHNSEL_offCHAN 0 /* Selected channel number */
+/* bit 2:31 reserved */
+
+#define DMA_CHNSEL_mskCHAN ( 0x3 << DMA_CHNSEL_offCHAN )
+
+/******************************************************************************
+ * dmar3: DMA_ACT (DMA Action Register)
+ *****************************************************************************/
+#define DMA_ACT_offACMD 0 /* DMA Action Command */
+/* bit 2:31 reserved */
+#define DMA_ACT_mskACMD ( 0x3 << DMA_ACT_offACMD )
+
+/******************************************************************************
+ * dmar4: DMA_SETUP (DMA Setup Register)
+ *****************************************************************************/
+#define DMA_SETUP_offLM 0 /* Local Memory Selection */
+#define DMA_SETUP_offTDIR 1 /* Transfer Direction */
+#define DMA_SETUP_offTES 2 /* Transfer Element Size */
+#define DMA_SETUP_offESTR 4 /* External memory transfer Stride */
+#define DMA_SETUP_offCIE 16 /* Interrupt Enable on Completion */
+#define DMA_SETUP_offSIE 17 /* Interrupt Enable on explicit Stop */
+#define DMA_SETUP_offEIE 18 /* Interrupt Enable on Error */
+#define DMA_SETUP_offUE 19 /* Enable the Un-aligned External Address */
+#define DMA_SETUP_off2DE 20 /* Enable the 2-D External Transfer */
+#define DMA_SETUP_offCOA 21 /* Transfer Coalescable */
+/* bit 22:31 reserved */
+
+#define DMA_SETUP_mskLM ( 0x1 << DMA_SETUP_offLM )
+#define DMA_SETUP_mskTDIR ( 0x1 << DMA_SETUP_offTDIR )
+#define DMA_SETUP_mskTES ( 0x3 << DMA_SETUP_offTES )
+#define DMA_SETUP_mskESTR ( 0xFFF << DMA_SETUP_offESTR )
+#define DMA_SETUP_mskCIE ( 0x1 << DMA_SETUP_offCIE )
+#define DMA_SETUP_mskSIE ( 0x1 << DMA_SETUP_offSIE )
+#define DMA_SETUP_mskEIE ( 0x1 << DMA_SETUP_offEIE )
+#define DMA_SETUP_mskUE ( 0x1 << DMA_SETUP_offUE )
+#define DMA_SETUP_msk2DE ( 0x1 << DMA_SETUP_off2DE )
+#define DMA_SETUP_mskCOA ( 0x1 << DMA_SETUP_offCOA )
+
+/******************************************************************************
+ * dmar5: DMA_ISADDR (DMA Internal Start Address Register)
+ *****************************************************************************/
+#define DMA_ISADDR_offISADDR 0 /* Internal Start Address */
+/* bit 20:31 reserved */
+#define DMA_ISADDR_mskISADDR ( 0xFFFFF << DMA_ISADDR_offISADDR )
+
+/******************************************************************************
+ * dmar6: DMA_ESADDR (DMA External Start Address Register)
+ *****************************************************************************/
+/* This register holds External Start Address */
+
+/******************************************************************************
+ * dmar7: DMA_TCNT (DMA Transfer Element Count Register)
+ *****************************************************************************/
+#define DMA_TCNT_offTCNT 0 /* DMA transfer element count */
+/* bit 18:31 reserved */
+#define DMA_TCNT_mskTCNT ( 0x3FFFF << DMA_TCNT_offTCNT )
+
+/******************************************************************************
+ * dmar8: DMA_STATUS (DMA Status Register)
+ *****************************************************************************/
+#define DMA_STATUS_offSTAT 0 /* DMA channel state */
+#define DMA_STATUS_offSTUNA 3 /* Un-aligned error on External Stride value */
+#define DMA_STATUS_offDERR 4 /* DMA Transfer Disruption Error */
+#define DMA_STATUS_offEUNA 5 /* Un-aligned error on the External address */
+#define DMA_STATUS_offIUNA 6 /* Un-aligned error on the Internal address */
+#define DMA_STATUS_offIOOR 7 /* Out-Of-Range error on the Internal address */
+#define DMA_STATUS_offEBUS 8 /* Bus Error on an External DMA transfer */
+#define DMA_STATUS_offESUP 9 /* DMA setup error */
+/* bit 10:31 reserved */
+
+#define DMA_STATUS_mskSTAT ( 0x7 << DMA_STATUS_offSTAT )
+#define DMA_STATUS_mskSTUNA ( 0x1 << DMDMA_STATUS_offSTUNA )
+#define DMA_STATUS_mskDERR ( 0x1 << DMDMA_STATUS_offDERR )
+#define DMA_STATUS_mskEUNA ( 0x1 << DMDMA_STATUS_offEUNA )
+#define DMA_STATUS_mskIUNA ( 0x1 << DMDMA_STATUS_offIUNA )
+#define DMA_STATUS_mskIOOR ( 0x1 << DMDMA_STATUS_offIOOR )
+#define DMA_STATUS_mskEBUS ( 0x1 << DMDMA_STATUS_offEBUS )
+#define DMA_STATUS_mskESUP ( 0x1 << DMDMA_STATUS_offESUP )
+
+/******************************************************************************
+ * dmar9: DMA_2DSET (DMA 2D Setup Register)
+ *****************************************************************************/
+#define DMA_2DSET_offWECNT 0 /* The Width Element Count for a 2-D region */
+#define DMA_2DSET_offHTSTR 16 /* The Height Stride for a 2-D region */
+
+#define DMA_2DSET_mskHTSTR ( 0xFFFF << DMA_2DSET_offHTSTR )
+#define DMA_2DSET_mskWECNT ( 0xFFFF << DMA_2DSET_offWECNT )
+
+/******************************************************************************
+ * dmar10: DMA_2DSCTL (DMA 2D Startup Control Register)
+ *****************************************************************************/
+#define DMA_2DSCTL_offSTWECNT 0 /* Startup Width Element Count for a 2-D region */
+/* bit 16:31 reserved */
+
+#define DMA_2DSCTL_mskSTWECNT ( 0xFFFF << DMA_2DSCTL_offSTWECNT )
+
+/******************************************************************************
+ * fpcsr: FPCSR (Floating-Point Control Status Register)
+ *****************************************************************************/
+#define FPCSR_offRM 0
+#define FPCSR_offIVO 2
+#define FPCSR_offDBZ 3
+#define FPCSR_offOVF 4
+#define FPCSR_offUDF 5
+#define FPCSR_offIEX 6
+#define FPCSR_offIVOE 7
+#define FPCSR_offDBZE 8
+#define FPCSR_offOVFE 9
+#define FPCSR_offUDFE 10
+#define FPCSR_offIEXE 11
+#define FPCSR_offDNZ 12
+#define FPCSR_offIVOT 13
+#define FPCSR_offDBZT 14
+#define FPCSR_offOVFT 15
+#define FPCSR_offUDFT 16
+#define FPCSR_offIEXT 17
+#define FPCSR_offDNIT 18
+#define FPCSR_offRIT 19
+
+#define FPCSR_mskRM ( 0x3 << FPCSR_offRM )
+#define FPCSR_mskIVO ( 0x1 << FPCSR_offIVO )
+#define FPCSR_mskDBZ ( 0x1 << FPCSR_offDBZ )
+#define FPCSR_mskOVF ( 0x1 << FPCSR_offOVF )
+#define FPCSR_mskUDF ( 0x1 << FPCSR_offUDF )
+#define FPCSR_mskIEX ( 0x1 << FPCSR_offIEX )
+#define FPCSR_mskIVOE ( 0x1 << FPCSR_offIVOE )
+#define FPCSR_mskDBZE ( 0x1 << FPCSR_offDBZE )
+#define FPCSR_mskOVFE ( 0x1 << FPCSR_offOVFE )
+#define FPCSR_mskUDFE ( 0x1 << FPCSR_offUDFE )
+#define FPCSR_mskIEXE ( 0x1 << FPCSR_offIEXE )
+#define FPCSR_mskDNZ ( 0x1 << FPCSR_offDNZ )
+#define FPCSR_mskIVOT ( 0x1 << FPCSR_offIVOT )
+#define FPCSR_mskDBZT ( 0x1 << FPCSR_offDBZT )
+#define FPCSR_mskOVFT ( 0x1 << FPCSR_offOVFT )
+#define FPCSR_mskUDFT ( 0x1 << FPCSR_offUDFT )
+#define FPCSR_mskIEXT ( 0x1 << FPCSR_offIEXT )
+#define FPCSR_mskDNIT ( 0x1 << FPCSR_offDNIT )
+#define FPCSR_mskRIT ( 0x1 << FPCSR_offRIT )
+#define FPCSR_mskALL (FPCSR_mskIVO | FPCSR_mskDBZ | FPCSR_mskOVF | FPCSR_mskUDF | FPCSR_mskIEX)
+#define FPCSR_mskALLE (FPCSR_mskIVOE | FPCSR_mskDBZE | FPCSR_mskOVFE | FPCSR_mskUDFE | FPCSR_mskIEXE)
+#define FPCSR_mskALLT (FPCSR_mskIVOT | FPCSR_mskDBZT | FPCSR_mskOVFT | FPCSR_mskUDFT | FPCSR_mskIEXT |FPCSR_mskDNIT | FPCSR_mskRIT)
+
+/******************************************************************************
+ * fpcfg: FPCFG (Floating-Point Configuration Register)
+ *****************************************************************************/
+#define FPCFG_offSP 0
+#define FPCFG_offDP 1
+#define FPCFG_offFREG 2
+#define FPCFG_offFMA 4
+#define FPCFG_offIMVER 22
+#define FPCFG_offAVER 27
+
+#define FPCFG_mskSP ( 0x1 << FPCFG_offSP )
+#define FPCFG_mskDP ( 0x1 << FPCFG_offDP )
+#define FPCFG_mskFREG ( 0x3 << FPCFG_offFREG )
+#define FPCFG_mskFMA ( 0x1 << FPCFG_offFMA )
+#define FPCFG_mskIMVER ( 0x1F << FPCFG_offIMVER )
+#define FPCFG_mskAVER ( 0x1F << FPCFG_offAVER )
+
+/******************************************************************************
+ * fucpr: FUCOP_CTL (FPU and Coprocessor Enable Control Register)
+ *****************************************************************************/
+#define FUCOP_CTL_offCP0EN 0
+#define FUCOP_CTL_offCP1EN 1
+#define FUCOP_CTL_offCP2EN 2
+#define FUCOP_CTL_offCP3EN 3
+#define FUCOP_CTL_offAUEN 31
+
+#define FUCOP_CTL_mskCP0EN ( 0x1 << FUCOP_CTL_offCP0EN )
+#define FUCOP_CTL_mskCP1EN ( 0x1 << FUCOP_CTL_offCP1EN )
+#define FUCOP_CTL_mskCP2EN ( 0x1 << FUCOP_CTL_offCP2EN )
+#define FUCOP_CTL_mskCP3EN ( 0x1 << FUCOP_CTL_offCP3EN )
+#define FUCOP_CTL_mskAUEN ( 0x1 << FUCOP_CTL_offAUEN )
+
+#endif /* __NDS32_BITFIELD_H__ */
diff --git a/arch/nds32/include/asm/nds32.h b/arch/nds32/include/asm/nds32.h
new file mode 100644
index 0000000..f405db3
--- /dev/null
+++ b/arch/nds32/include/asm/nds32.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2005-2017 Andes Technology Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _ASM_NDS32_NDS32_H_
+#define _ASM_NDS32_NDS32_H_
+
+#include <asm/bitfield.h>
+#include <asm/cachectl.h>
+
+#ifndef __ASSEMBLY__
+#include <asm/barrier.h>
+#include <nds32_intrinsic.h>
+
+#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
+#define FP_OFFSET (-3)
+#else
+#define FP_OFFSET (-2)
+#endif
+
+static inline void GIE_ENABLE(void)
+{
+ mb();
+ __nds32__gie_en();
+}
+
+static inline void GIE_DISABLE(void)
+{
+ mb();
+ __nds32__gie_dis();
+}
+
+static inline unsigned long CACHE_SET(unsigned char cache)
+{
+
+ if (cache == ICACHE)
+ return 64 << ((__nds32__mfsr(NDS32_SR_ICM_CFG) & ICM_CFG_mskISET) >>
+ ICM_CFG_offISET);
+ else
+ return 64 << ((__nds32__mfsr(NDS32_SR_DCM_CFG) & DCM_CFG_mskDSET) >>
+ DCM_CFG_offDSET);
+}
+
+static inline unsigned long CACHE_WAY(unsigned char cache)
+{
+
+ if (cache == ICACHE)
+ return 1 +
+ ((__nds32__mfsr(NDS32_SR_ICM_CFG) & ICM_CFG_mskIWAY) >> ICM_CFG_offIWAY);
+ else
+ return 1 +
+ ((__nds32__mfsr(NDS32_SR_DCM_CFG) & DCM_CFG_mskDWAY) >> DCM_CFG_offDWAY);
+}
+
+static inline unsigned long CACHE_LINE_SIZE(unsigned char cache)
+{
+
+ if (cache == ICACHE)
+ return 8 <<
+ (((__nds32__mfsr(NDS32_SR_ICM_CFG) & ICM_CFG_mskISZ) >> ICM_CFG_offISZ) - 1);
+ else
+ return 8 <<
+ (((__nds32__mfsr(NDS32_SR_DCM_CFG) & DCM_CFG_mskDSZ) >> DCM_CFG_offDSZ) - 1);
+}
+
+#endif /* __ASSEMBLY__ */
+
+#define IVB_BASE PHYS_OFFSET /* in user space for intr/exc/trap/break table base, 64KB aligned
+ * We defined at the start of the physical memory */
+
+/* dispatched sub-entry exception handler numbering */
+#define RD_PROT 0 /* read protrection */
+#define WRT_PROT 1 /* write protection */
+#define NOEXEC 2 /* non executable */
+#define PAGE_MODIFY 3 /* page modified */
+#define ACC_BIT 4 /* access bit */
+#define RESVED_PTE 5 /* reserved PTE attribute */
+/* reserved 6 ~ 16 */
+
+#endif /* _ASM_NDS32_NDS32_H_ */
diff --git a/arch/nds32/kernel/asm-offsets.c b/arch/nds32/kernel/asm-offsets.c
new file mode 100644
index 0000000..2d9468b
--- /dev/null
+++ b/arch/nds32/kernel/asm-offsets.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2005-2017 Andes Technology Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/sched.h>
+#include <linux/sched/task_stack.h>
+#include <linux/kbuild.h>
+#include <asm/thread_info.h>
+#include <asm/ptrace.h>
+
+int main(void)
+{
+ DEFINE(TSK_TI_FLAGS, offsetof(struct task_struct, thread_info.flags));
+ DEFINE(TSK_TI_PREEMPT,
+ offsetof(struct task_struct, thread_info.preempt_count));
+ DEFINE(THREAD_CPU_CONTEXT,
+ offsetof(struct task_struct, thread.cpu_context));
+ DEFINE(OSP_OFFSET, offsetof(struct pt_regs, osp));
+ DEFINE(SP_OFFSET, offsetof(struct pt_regs, sp));
+ DEFINE(FUCOP_CTL_OFFSET, offsetof(struct pt_regs, fucop_ctl));
+ DEFINE(IPSW_OFFSET, offsetof(struct pt_regs, ipsw));
+ DEFINE(SYSCALLNO_OFFSET, offsetof(struct pt_regs, syscallno));
+ DEFINE(IPC_OFFSET, offsetof(struct pt_regs, ipc));
+ DEFINE(R0_OFFSET, offsetof(struct pt_regs, uregs[0]));
+ DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
+ DEFINE(CLOCK_COARSE_RES, LOW_RES_NSEC);
+ return 0;
+}
--
1.7.9.5
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