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117 lines
5.0 KiB
C
117 lines
5.0 KiB
C
/*-
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* Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __KVM_ARM_H__
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#define __KVM_ARM_H__
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typedef uint32_t arm_physaddr_t;
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typedef uint32_t arm_pd_entry_t;
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typedef uint32_t arm_pt_entry_t;
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#define ARM_PAGE_SHIFT 12
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#define ARM_PAGE_SIZE (1 << ARM_PAGE_SHIFT) /* Page size */
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#define ARM_PAGE_MASK (ARM_PAGE_SIZE - 1)
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#define ARM_L1_TABLE_SIZE 0x4000 /* 16K */
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#define ARM_L1_S_SIZE 0x00100000 /* 1M */
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#define ARM_L1_S_OFFSET (ARM_L1_S_SIZE - 1)
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#define ARM_L1_S_FRAME (~ARM_L1_S_OFFSET)
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#define ARM_L1_S_SHIFT 20
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#define ARM_L2_L_SIZE 0x00010000 /* 64K */
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#define ARM_L2_L_OFFSET (ARM_L2_L_SIZE - 1)
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#define ARM_L2_L_FRAME (~ARM_L2_L_OFFSET)
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#define ARM_L2_L_SHIFT 16
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#define ARM_L2_S_SIZE 0x00001000 /* 4K */
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#define ARM_L2_S_OFFSET (ARM_L2_S_SIZE - 1)
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#define ARM_L2_S_FRAME (~ARM_L2_S_OFFSET)
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#define ARM_L2_S_SHIFT 12
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#define ARM_L2_TEX1 0x00000080
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#define ARM_PTE2_RO ARM_L2_TEX1
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#define ARM_L2_NX 0x00000001
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#define ARM_PTE2_NX ARM_L2_NX
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/*
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* Note: L2_S_PROT_W differs depending on whether the system is generic or
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* xscale. This isn't easily accessible in this context, so use an
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* approximation of 'xscale' which is a subset of 'generic'.
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*/
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#define ARM_L2_AP0(x) ((x) << 4)
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#define ARM_AP_W 0x01
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#define ARM_L2_S_PROT_W (ARM_L2_AP0(ARM_AP_W))
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#define ARM_L1_TYPE_INV 0x00 /* Invalid (fault) */
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#define ARM_L1_TYPE_C 0x01 /* Coarse L2 */
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#define ARM_L1_TYPE_S 0x02 /* Section */
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#define ARM_L1_TYPE_MASK 0x03 /* Mask of type bits */
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#define ARM_L1_S_ADDR_MASK 0xfff00000 /* phys address of section */
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#define ARM_L1_C_ADDR_MASK 0xfffffc00 /* phys address of L2 Table */
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#define ARM_L2_TYPE_INV 0x00 /* Invalid (fault) */
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#define ARM_L2_TYPE_L 0x01 /* Large Page - 64k */
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#define ARM_L2_TYPE_S 0x02 /* Small Page - 4k */
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#define ARM_L2_TYPE_T 0x03 /* Tiny Page - 1k - not used */
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#define ARM_L2_TYPE_MASK 0x03
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#ifdef __arm__
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#include <machine/acle-compat.h>
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#include <machine/pte.h>
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_Static_assert(PAGE_SHIFT == ARM_PAGE_SHIFT, "PAGE_SHIFT mismatch");
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_Static_assert(PAGE_SIZE == ARM_PAGE_SIZE, "PAGE_SIZE mismatch");
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_Static_assert(PAGE_MASK == ARM_PAGE_MASK, "PAGE_MASK mismatch");
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_Static_assert(L1_TABLE_SIZE == ARM_L1_TABLE_SIZE, "L1_TABLE_SIZE mismatch");
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_Static_assert(L1_S_SIZE == ARM_L1_S_SIZE, "L1_S_SIZE mismatch");
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_Static_assert(L1_S_OFFSET == ARM_L1_S_OFFSET, "L1_S_OFFSET mismatch");
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_Static_assert(L1_S_FRAME == ARM_L1_S_FRAME, "L1_S_FRAME mismatch");
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_Static_assert(L1_S_SHIFT == ARM_L1_S_SHIFT, "L1_S_SHIFT mismatch");
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_Static_assert(L2_L_SIZE == ARM_L2_L_SIZE, "L2_L_SIZE mismatch");
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_Static_assert(L2_L_OFFSET == ARM_L2_L_OFFSET, "L2_L_OFFSET mismatch");
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_Static_assert(L2_L_FRAME == ARM_L2_L_FRAME, "L2_L_FRAME mismatch");
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_Static_assert(L2_L_SHIFT == ARM_L2_L_SHIFT, "L2_L_SHIFT mismatch");
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_Static_assert(L2_S_SIZE == ARM_L2_S_SIZE, "L2_S_SIZE mismatch");
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_Static_assert(L2_S_OFFSET == ARM_L2_S_OFFSET, "L2_S_OFFSET mismatch");
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_Static_assert(L2_S_FRAME == ARM_L2_S_FRAME, "L2_S_FRAME mismatch");
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_Static_assert(L2_S_SHIFT == ARM_L2_S_SHIFT, "L2_S_SHIFT mismatch");
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_Static_assert(L1_TYPE_INV == ARM_L1_TYPE_INV, "L1_TYPE_INV mismatch");
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_Static_assert(L1_TYPE_C == ARM_L1_TYPE_C, "L1_TYPE_C mismatch");
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_Static_assert(L1_TYPE_S == ARM_L1_TYPE_S, "L1_TYPE_S mismatch");
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_Static_assert(L1_TYPE_MASK == ARM_L1_TYPE_MASK, "L1_TYPE_MASK mismatch");
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_Static_assert(L1_S_ADDR_MASK == ARM_L1_S_ADDR_MASK, "L1_S_ADDR_MASK mismatch");
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_Static_assert(L1_C_ADDR_MASK == ARM_L1_C_ADDR_MASK, "L1_C_ADDR_MASK mismatch");
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_Static_assert(L2_TYPE_INV == ARM_L2_TYPE_INV, "L2_TYPE_INV mismatch");
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_Static_assert(L2_TYPE_L == ARM_L2_TYPE_L, "L2_TYPE_L mismatch");
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_Static_assert(L2_TYPE_S == ARM_L2_TYPE_S, "L2_TYPE_S mismatch");
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_Static_assert(L2_TYPE_MASK == ARM_L2_TYPE_MASK, "L2_TYPE_MASK mismatch");
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#endif
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int _arm_native(kvm_t *);
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#endif /* !__KVM_ARM_H__ */
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