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/*-
* Copyright (C) 2006 Semihalf, Marian Balakowicz <m8@semihalf.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/powerpc/include/tlb.h 215119 2010-11-11 13:35:23Z raj $
*/
#ifndef _MACHINE_TLB_H_
#define _MACHINE_TLB_H_
/* PowerPC E500 MAS registers */
#define MAS0_TLBSEL(x) ((x << 28) & 0x10000000)
#define MAS0_ESEL(x) ((x << 16) & 0x000F0000)
#define MAS0_TLBSEL1 0x10000000
#define MAS0_TLBSEL0 0x00000000
#define MAS0_ESEL_TLB1MASK 0x000F0000
#define MAS0_ESEL_TLB0MASK 0x00030000
#define MAS0_ESEL_SHIFT 16
#define MAS0_NV_MASK 0x00000003
#define MAS0_NV_SHIFT 0
#define MAS1_VALID 0x80000000
#define MAS1_IPROT 0x40000000
#define MAS1_TID_MASK 0x00FF0000
#define MAS1_TID_SHIFT 16
#define MAS1_TS_MASK 0x00001000
#define MAS1_TS_SHIFT 12
#define MAS1_TSIZE_MASK 0x00000F00
#define MAS1_TSIZE_SHIFT 8
#define TLB_SIZE_4K 1
#define TLB_SIZE_16K 2
#define TLB_SIZE_64K 3
#define TLB_SIZE_256K 4
#define TLB_SIZE_1M 5
#define TLB_SIZE_4M 6
#define TLB_SIZE_16M 7
#define TLB_SIZE_64M 8
#define TLB_SIZE_256M 9
#define TLB_SIZE_1G 10
#define TLB_SIZE_4G 11
#define MAS2_EPN_MASK 0xFFFFF000
#define MAS2_EPN_SHIFT 12
#define MAS2_X0 0x00000040
#define MAS2_X1 0x00000020
#define MAS2_W 0x00000010
#define MAS2_I 0x00000008
#define MAS2_M 0x00000004
#define MAS2_G 0x00000002
#define MAS2_E 0x00000001
#define MAS3_RPN 0xFFFFF000
#define MAS3_RPN_SHIFT 12
#define MAS3_U0 0x00000200
#define MAS3_U1 0x00000100
#define MAS3_U2 0x00000080
#define MAS3_U3 0x00000040
#define MAS3_UX 0x00000020
#define MAS3_SX 0x00000010
#define MAS3_UW 0x00000008
#define MAS3_SW 0x00000004
#define MAS3_UR 0x00000002
#define MAS3_SR 0x00000001
#define MAS4_TLBSELD1 0x10000000
#define MAS4_TLBSELD0 0x00000000
#define MAS4_TIDSELD_MASK 0x00030000
#define MAS4_TIDSELD_SHIFT 16
#define MAS4_TSIZED_MASK 0x00000F00
#define MAS4_TSIZED_SHIFT 8
#define MAS4_X0D 0x00000040
#define MAS4_X1D 0x00000020
#define MAS4_WD 0x00000010
#define MAS4_ID 0x00000008
#define MAS4_MD 0x00000004
#define MAS4_GD 0x00000002
#define MAS4_ED 0x00000001
#define MAS6_SPID0_MASK 0x00FF0000
#define MAS6_SPID0_SHIFT 16
#define MAS6_SAS 0x00000001
#define MAS1_GETTID(mas1) (((mas1) & MAS1_TID_MASK) >> MAS1_TID_SHIFT)
#define MAS2_TLB0_ENTRY_IDX_MASK 0x0007f000
#define MAS2_TLB0_ENTRY_IDX_SHIFT 12
/*
* Maximum number of TLB1 entries used for a permanent mapping of kernel
* region (kernel image plus statically allocated data).
*/
#define KERNEL_REGION_MAX_TLB_ENTRIES 4
#define _TLB_ENTRY_IO (MAS2_I | MAS2_G)
#ifdef SMP
#define _TLB_ENTRY_MEM (MAS2_M)
#else
#define _TLB_ENTRY_MEM (0)
#endif
#define TID_KERNEL 0 /* TLB TID to use for kernel (shared) translations */
#define TID_KRESERVED 1 /* Number of TIDs reserved for kernel */
#define TID_URESERVED 0 /* Number of TIDs reserved for user */
#define TID_MIN (TID_KRESERVED + TID_URESERVED)
#define TID_MAX 255
#define TID_NONE -1
#define TLB_UNLOCKED 0
#if !defined(LOCORE)
typedef struct tlb_entry {
uint32_t mas1;
uint32_t mas2;
uint32_t mas3;
} tlb_entry_t;
typedef int tlbtid_t;
struct pmap;
void tlb0_print_tlbentries(void);
void tlb1_inval_entry(unsigned int);
void tlb1_init(vm_offset_t);
void tlb1_print_entries(void);
void tlb1_print_tlbentries(void);
void tlb_lock(uint32_t *);
void tlb_unlock(uint32_t *);
#endif /* !LOCORE */
#endif /* _MACHINE_TLB_H_ */