/*- * Copyright (C) 2006-2012 Semihalf. * 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. * * $FreeBSD$ */ #ifndef _MACHINE_TLB_H_ #define _MACHINE_TLB_H_ #if defined(BOOKE_E500) /* 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 #if !defined(LOCORE) typedef struct tlb_entry { vm_paddr_t phys; vm_offset_t virt; vm_size_t size; uint32_t mas1; uint32_t mas2; uint32_t mas3; } tlb_entry_t; void tlb0_print_tlbentries(void); void tlb1_inval_entry(unsigned int); void tlb1_init(void); void tlb1_print_entries(void); void tlb1_print_tlbentries(void); #endif /* !LOCORE */ #elif defined(BOOKE_PPC4XX) /* TLB Words */ #define TLB_PAGEID 0 #define TLB_XLAT 1 #define TLB_ATTRIB 2 /* Page identification fields */ #define TLB_EPN_MASK (0xFFFFFC00 >> 0) #define TLB_VALID (0x80000000 >> 22) #define TLB_TS (0x80000000 >> 23) #define TLB_SIZE_1K (0x00000000 >> 24) #define TLB_SIZE_MASK (0xF0000000 >> 24) /* Translation fields */ #define TLB_RPN_MASK (0xFFFFFC00 >> 0) #define TLB_ERPN_MASK (0xF0000000 >> 28) /* Storage attribute and access control fields */ #define TLB_WL1 (0x80000000 >> 11) #define TLB_IL1I (0x80000000 >> 12) #define TLB_IL1D (0x80000000 >> 13) #define TLB_IL2I (0x80000000 >> 14) #define TLB_IL2D (0x80000000 >> 15) #define TLB_U0 (0x80000000 >> 16) #define TLB_U1 (0x80000000 >> 17) #define TLB_U2 (0x80000000 >> 18) #define TLB_U3 (0x80000000 >> 19) #define TLB_W (0x80000000 >> 20) #define TLB_I (0x80000000 >> 21) #define TLB_M (0x80000000 >> 22) #define TLB_G (0x80000000 >> 23) #define TLB_E (0x80000000 >> 24) #define TLB_UX (0x80000000 >> 26) #define TLB_UW (0x80000000 >> 27) #define TLB_UR (0x80000000 >> 28) #define TLB_SX (0x80000000 >> 29) #define TLB_SW (0x80000000 >> 30) #define TLB_SR (0x80000000 >> 31) #define TLB_SIZE 64 #define TLB_SIZE_4K (0x10000000 >> 24) #define TLB_SIZE_16K (0x20000000 >> 24) #define TLB_SIZE_64K (0x30000000 >> 24) #define TLB_SIZE_256K (0x40000000 >> 24) #define TLB_SIZE_1M (0x50000000 >> 24) #define TLB_SIZE_16M (0x70000000 >> 24) #define TLB_SIZE_256M (0x90000000 >> 24) #define TLB_SIZE_1G (0xA0000000 >> 24) #endif /* BOOKE_E500 */ #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 int tlbtid_t; struct pmap; void tlb_lock(uint32_t *); void tlb_unlock(uint32_t *); #endif /* !LOCORE */ #endif /* _MACHINE_TLB_H_ */