mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-15 06:55:13 +08:00
07b9b65147
--------------->8-------------------- WARNING: vmlinux.o(.text+0x708): Section mismatch in reference from the function read_arc_build_cfg_regs() to the function .init.text:read_decode_cache_bcr() WARNING: vmlinux.o(.text+0x702): Section mismatch in reference from the function read_arc_build_cfg_regs() to the function .init.text:read_decode_mmu_bcr() --------------->8-------------------- Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/*
|
|
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef _ASM_ARC_MMU_H
|
|
#define _ASM_ARC_MMU_H
|
|
|
|
#if defined(CONFIG_ARC_MMU_V1)
|
|
#define CONFIG_ARC_MMU_VER 1
|
|
#elif defined(CONFIG_ARC_MMU_V2)
|
|
#define CONFIG_ARC_MMU_VER 2
|
|
#elif defined(CONFIG_ARC_MMU_V3)
|
|
#define CONFIG_ARC_MMU_VER 3
|
|
#endif
|
|
|
|
/* MMU Management regs */
|
|
#define ARC_REG_MMU_BCR 0x06f
|
|
#define ARC_REG_TLBPD0 0x405
|
|
#define ARC_REG_TLBPD1 0x406
|
|
#define ARC_REG_TLBINDEX 0x407
|
|
#define ARC_REG_TLBCOMMAND 0x408
|
|
#define ARC_REG_PID 0x409
|
|
#define ARC_REG_SCRATCH_DATA0 0x418
|
|
|
|
/* Bits in MMU PID register */
|
|
#define MMU_ENABLE (1 << 31) /* Enable MMU for process */
|
|
|
|
/* Error code if probe fails */
|
|
#define TLB_LKUP_ERR 0x80000000
|
|
|
|
#define TLB_DUP_ERR (TLB_LKUP_ERR | 0x00000001)
|
|
|
|
/* TLB Commands */
|
|
#define TLBWrite 0x1
|
|
#define TLBRead 0x2
|
|
#define TLBGetIndex 0x3
|
|
#define TLBProbe 0x4
|
|
|
|
#if (CONFIG_ARC_MMU_VER >= 2)
|
|
#define TLBWriteNI 0x5 /* write JTLB without inv uTLBs */
|
|
#define TLBIVUTLB 0x6 /* explicitly inv uTLBs */
|
|
#endif
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
typedef struct {
|
|
unsigned long asid; /* 8 bit MMU PID + Generation cycle */
|
|
} mm_context_t;
|
|
|
|
#ifdef CONFIG_ARC_DBG_TLB_PARANOIA
|
|
void tlb_paranoid_check(unsigned int mm_asid, unsigned long address);
|
|
#else
|
|
#define tlb_paranoid_check(a, b)
|
|
#endif
|
|
|
|
void arc_mmu_init(void);
|
|
extern char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len);
|
|
void read_decode_mmu_bcr(void);
|
|
|
|
#endif /* !__ASSEMBLY__ */
|
|
|
|
#endif
|