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d546313602
Add a new macro that enables all CPTR_EL2 traps. This helps ensure we trap all extensions we don't support. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D46516
305 lines
12 KiB
C
305 lines
12 KiB
C
/*-
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* Copyright (c) 2013, 2014 Andrew Turner
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* Copyright (c) 2021 The FreeBSD Foundation
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*
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* Portions of this software were developed by Andrew Turner
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* under sponsorship from the FreeBSD Foundation.
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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 _MACHINE_HYPERVISOR_H_
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#define _MACHINE_HYPERVISOR_H_
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/*
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* These registers are only useful when in hypervisor context,
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* e.g. specific to EL2, or controlling the hypervisor.
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*/
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/* CNTHCTL_EL2 - Counter-timer Hypervisor Control register */
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#define CNTHCTL_EVNTI_MASK (0xf << 4) /* Bit to trigger event stream */
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/* Valid if HCR_EL2.E2H == 0 */
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#define CNTHCTL_EL1PCTEN (1 << 0) /* Allow physical counter access */
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#define CNTHCTL_EL1PCEN (1 << 1) /* Allow physical timer access */
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/* Valid if HCR_EL2.E2H == 1 */
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#define CNTHCTL_E2H_EL0PCTEN (1 << 0) /* Allow EL0 physical counter access */
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#define CNTHCTL_E2H_EL0VCTEN (1 << 1) /* Allow EL0 virtual counter access */
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#define CNTHCTL_E2H_EL0VTEN (1 << 8)
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#define CNTHCTL_E2H_EL0PTEN (1 << 9)
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#define CNTHCTL_E2H_EL1PCTEN (1 << 10) /* Allow physical counter access */
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#define CNTHCTL_E2H_EL1PTEN (1 << 11) /* Allow physical timer access */
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/* Unconditionally valid */
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#define CNTHCTL_EVNTDIR (1 << 3) /* Control transition trigger bit */
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#define CNTHCTL_EVNTEN (1 << 2) /* Enable event stream */
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/* CPTR_EL2 - Architecture feature trap register */
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/* Valid if HCR_EL2.E2H == 0 */
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#define CPTR_TRAP_ALL 0xc01037ff /* Enable all traps */
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#define CPTR_RES0 0x7fefc800
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#define CPTR_RES1 0x000033ff
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#define CPTR_TFP 0x00000400
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#define CPTR_TTA 0x00100000
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/* Valid if HCR_EL2.E2H == 1 */
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#define CPTR_E2H_TRAP_ALL 0xd0000000
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#define CPTR_E2H_FPEN 0x00300000
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#define CPTR_E2H_TTA 0x10000000
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/* Unconditionally valid */
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#define CPTR_TCPAC 0x80000000
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/* HCR_EL2 - Hypervisor Config Register */
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#define HCR_VM (UL(0x1) << 0)
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#define HCR_SWIO (UL(0x1) << 1)
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#define HCR_PTW (UL(0x1) << 2)
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#define HCR_FMO (UL(0x1) << 3)
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#define HCR_IMO (UL(0x1) << 4)
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#define HCR_AMO (UL(0x1) << 5)
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#define HCR_VF (UL(0x1) << 6)
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#define HCR_VI (UL(0x1) << 7)
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#define HCR_VSE (UL(0x1) << 8)
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#define HCR_FB (UL(0x1) << 9)
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#define HCR_BSU_MASK (UL(0x3) << 10)
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#define HCR_BSU_IS (UL(0x1) << 10)
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#define HCR_BSU_OS (UL(0x2) << 10)
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#define HCR_BSU_FS (UL(0x3) << 10)
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#define HCR_DC (UL(0x1) << 12)
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#define HCR_TWI (UL(0x1) << 13)
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#define HCR_TWE (UL(0x1) << 14)
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#define HCR_TID0 (UL(0x1) << 15)
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#define HCR_TID1 (UL(0x1) << 16)
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#define HCR_TID2 (UL(0x1) << 17)
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#define HCR_TID3 (UL(0x1) << 18)
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#define HCR_TSC (UL(0x1) << 19)
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#define HCR_TIDCP (UL(0x1) << 20)
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#define HCR_TACR (UL(0x1) << 21)
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#define HCR_TSW (UL(0x1) << 22)
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#define HCR_TPCP (UL(0x1) << 23)
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#define HCR_TPU (UL(0x1) << 24)
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#define HCR_TTLB (UL(0x1) << 25)
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#define HCR_TVM (UL(0x1) << 26)
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#define HCR_TGE (UL(0x1) << 27)
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#define HCR_TDZ (UL(0x1) << 28)
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#define HCR_HCD (UL(0x1) << 29)
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#define HCR_TRVM (UL(0x1) << 30)
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#define HCR_RW (UL(0x1) << 31)
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#define HCR_CD (UL(0x1) << 32)
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#define HCR_ID (UL(0x1) << 33)
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#define HCR_E2H (UL(0x1) << 34)
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#define HCR_TLOR (UL(0x1) << 35)
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#define HCR_TERR (UL(0x1) << 36)
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#define HCR_TEA (UL(0x1) << 37)
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#define HCR_MIOCNCE (UL(0x1) << 38)
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/* Bit 39 is reserved */
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#define HCR_APK (UL(0x1) << 40)
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#define HCR_API (UL(0x1) << 41)
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#define HCR_NV (UL(0x1) << 42)
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#define HCR_NV1 (UL(0x1) << 43)
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#define HCR_AT (UL(0x1) << 44)
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#define HCR_NV2 (UL(0x1) << 45)
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#define HCR_FWB (UL(0x1) << 46)
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#define HCR_FIEN (UL(0x1) << 47)
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/* Bit 48 is reserved */
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#define HCR_TID4 (UL(0x1) << 49)
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#define HCR_TICAB (UL(0x1) << 50)
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#define HCR_AMVOFFEN (UL(0x1) << 51)
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#define HCR_TOCU (UL(0x1) << 52)
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#define HCR_EnSCXT (UL(0x1) << 53)
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#define HCR_TTLBIS (UL(0x1) << 54)
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#define HCR_TTLBOS (UL(0x1) << 55)
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#define HCR_ATA (UL(0x1) << 56)
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#define HCR_DCT (UL(0x1) << 57)
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#define HCR_TID5 (UL(0x1) << 58)
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#define HCR_TWEDEn (UL(0x1) << 59)
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#define HCR_TWEDEL_MASK (UL(0xf) << 60)
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/* HPFAR_EL2 - Hypervisor IPA Fault Address Register */
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#define HPFAR_EL2_FIPA_SHIFT 4
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#define HPFAR_EL2_FIPA_MASK 0xfffffffff0
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#define HPFAR_EL2_FIPA_GET(x) \
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(((x) & HPFAR_EL2_FIPA_MASK) >> HPFAR_EL2_FIPA_SHIFT)
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/* HPFAR_EL2_FIPA holds the 4k page address */
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#define HPFAR_EL2_FIPA_ADDR(x) \
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(HPFAR_EL2_FIPA_GET(x) << 12)
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/* The bits from FAR_EL2 we need to add to HPFAR_EL2_FIPA_ADDR */
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#define FAR_EL2_HPFAR_PAGE_MASK (0xffful)
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/* ICC_SRE_EL2 */
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#define ICC_SRE_EL2_SRE (1UL << 0)
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#define ICC_SRE_EL2_EN (1UL << 3)
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/* SCTLR_EL2 - System Control Register */
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#define SCTLR_EL2_RES1 0x30c50830
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#define SCTLR_EL2_M_SHIFT 0
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#define SCTLR_EL2_M (0x1UL << SCTLR_EL2_M_SHIFT)
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#define SCTLR_EL2_A_SHIFT 1
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#define SCTLR_EL2_A (0x1UL << SCTLR_EL2_A_SHIFT)
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#define SCTLR_EL2_C_SHIFT 2
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#define SCTLR_EL2_C (0x1UL << SCTLR_EL2_C_SHIFT)
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#define SCTLR_EL2_SA_SHIFT 3
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#define SCTLR_EL2_SA (0x1UL << SCTLR_EL2_SA_SHIFT)
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#define SCTLR_EL2_EOS_SHIFT 11
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#define SCTLR_EL2_EOS (0x1UL << SCTLR_EL2_EOS_SHIFT)
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#define SCTLR_EL2_I_SHIFT 12
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#define SCTLR_EL2_I (0x1UL << SCTLR_EL2_I_SHIFT)
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#define SCTLR_EL2_WXN_SHIFT 19
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#define SCTLR_EL2_WXN (0x1UL << SCTLR_EL2_WXN_SHIFT)
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#define SCTLR_EL2_EIS_SHIFT 22
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#define SCTLR_EL2_EIS (0x1UL << SCTLR_EL2_EIS_SHIFT)
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#define SCTLR_EL2_EE_SHIFT 25
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#define SCTLR_EL2_EE (0x1UL << SCTLR_EL2_EE_SHIFT)
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/* TCR_EL2 - Translation Control Register */
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#define TCR_EL2_RES1 ((0x1UL << 31) | (0x1UL << 23))
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#define TCR_EL2_T0SZ_SHIFT 0
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#define TCR_EL2_T0SZ_MASK (0x3fUL << TCR_EL2_T0SZ_SHIFT)
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#define TCR_EL2_T0SZ(x) ((x) << TCR_EL2_T0SZ_SHIFT)
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/* Bits 7:6 are reserved */
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#define TCR_EL2_IRGN0_SHIFT 8
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#define TCR_EL2_IRGN0_MASK (0x3UL << TCR_EL2_IRGN0_SHIFT)
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#define TCR_EL2_IRGN0_WBWA (1UL << TCR_EL2_IRGN0_SHIFT)
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#define TCR_EL2_ORGN0_SHIFT 10
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#define TCR_EL2_ORGN0_MASK (0x3UL << TCR_EL2_ORGN0_SHIFT)
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#define TCR_EL2_ORGN0_WBWA (1UL << TCR_EL2_ORGN0_SHIFT)
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#define TCR_EL2_SH0_SHIFT 12
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#define TCR_EL2_SH0_MASK (0x3UL << TCR_EL2_SH0_SHIFT)
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#define TCR_EL2_SH0_IS (3UL << TCR_EL2_SH0_SHIFT)
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#define TCR_EL2_TG0_SHIFT 14
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#define TCR_EL2_TG0_MASK (0x3UL << TCR_EL2_TG0_SHIFT)
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#define TCR_EL2_TG0_4K (0x0UL << TCR_EL2_TG0_SHIFT)
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#define TCR_EL2_TG0_64K (0x1UL << TCR_EL2_TG0_SHIFT)
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#define TCR_EL2_TG0_16K (0x2UL << TCR_EL2_TG0_SHIFT)
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#define TCR_EL2_PS_SHIFT 16
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#define TCR_EL2_PS_MASK (0xfUL << TCR_EL2_PS_SHIFT)
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#define TCR_EL2_PS_32BITS (0UL << TCR_EL2_PS_SHIFT)
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#define TCR_EL2_PS_36BITS (1UL << TCR_EL2_PS_SHIFT)
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#define TCR_EL2_PS_40BITS (2UL << TCR_EL2_PS_SHIFT)
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#define TCR_EL2_PS_42BITS (3UL << TCR_EL2_PS_SHIFT)
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#define TCR_EL2_PS_44BITS (4UL << TCR_EL2_PS_SHIFT)
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#define TCR_EL2_PS_48BITS (5UL << TCR_EL2_PS_SHIFT)
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#define TCR_EL2_PS_52BITS (6UL << TCR_EL2_PS_SHIFT)
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#define TCR_EL2_HPD_SHIFT 24
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#define TCR_EL2_HPD (1UL << TCR_EL2_HPD_SHIFT)
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#define TCR_EL2_HWU59_SHIFT 25
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#define TCR_EL2_HWU59 (1UL << TCR_EL2_HWU59_SHIFT)
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#define TCR_EL2_HWU60_SHIFT 26
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#define TCR_EL2_HWU60 (1UL << TCR_EL2_HWU60_SHIFT)
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#define TCR_EL2_HWU61_SHIFT 27
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#define TCR_EL2_HWU61 (1UL << TCR_EL2_HWU61_SHIFT)
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#define TCR_EL2_HWU62_SHIFT 28
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#define TCR_EL2_HWU62 (1UL << TCR_EL2_HWU62_SHIFT)
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#define TCR_EL2_HWU \
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(TCR_EL2_HWU59 | TCR_EL2_HWU60 | TCR_EL2_HWU61 | TCR_EL2_HWU62)
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/* VMPDIR_EL2 - Virtualization Multiprocessor ID Register */
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#define VMPIDR_EL2_U 0x0000000040000000
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#define VMPIDR_EL2_MT 0x0000000001000000
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#define VMPIDR_EL2_RES1 0x0000000080000000
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/* VTCR_EL2 - Virtualization Translation Control Register */
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#define VTCR_EL2_RES1 (0x1UL << 31)
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#define VTCR_EL2_T0SZ_SHIFT 0
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#define VTCR_EL2_T0SZ_MASK (0x3fUL << VTCR_EL2_T0SZ_SHIFT)
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#define VTCR_EL2_T0SZ(x) ((x) << VTCR_EL2_T0SZ_SHIFT)
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#define VTCR_EL2_SL0_SHIFT 6
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#define VTCR_EL2_SL0_4K_LVL2 (0x0UL << VTCR_EL2_SL0_SHIFT)
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#define VTCR_EL2_SL0_4K_LVL1 (0x1UL << VTCR_EL2_SL0_SHIFT)
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#define VTCR_EL2_SL0_4K_LVL0 (0x2UL << VTCR_EL2_SL0_SHIFT)
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#define VTCR_EL2_SL0_16K_LVL2 (0x1UL << VTCR_EL2_SL0_SHIFT)
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#define VTCR_EL2_SL0_16K_LVL1 (0x2UL << VTCR_EL2_SL0_SHIFT)
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#define VTCR_EL2_SL0_16K_LVL0 (0x3UL << VTCR_EL2_SL0_SHIFT)
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#define VTCR_EL2_IRGN0_SHIFT 8
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#define VTCR_EL2_IRGN0_WBWA (0x1UL << VTCR_EL2_IRGN0_SHIFT)
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#define VTCR_EL2_ORGN0_SHIFT 10
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#define VTCR_EL2_ORGN0_WBWA (0x1UL << VTCR_EL2_ORGN0_SHIFT)
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#define VTCR_EL2_SH0_SHIFT 12
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#define VTCR_EL2_SH0_NS (0x0UL << VTCR_EL2_SH0_SHIFT)
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#define VTCR_EL2_SH0_OS (0x2UL << VTCR_EL2_SH0_SHIFT)
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#define VTCR_EL2_SH0_IS (0x3UL << VTCR_EL2_SH0_SHIFT)
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#define VTCR_EL2_TG0_SHIFT 14
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#define VTCR_EL2_TG0_4K (0x0UL << VTCR_EL2_TG0_SHIFT)
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#define VTCR_EL2_TG0_64K (0x1UL << VTCR_EL2_TG0_SHIFT)
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#define VTCR_EL2_TG0_16K (0x2UL << VTCR_EL2_TG0_SHIFT)
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#define VTCR_EL2_PS_SHIFT 16
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#define VTCR_EL2_PS_32BIT (0x0UL << VTCR_EL2_PS_SHIFT)
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#define VTCR_EL2_PS_36BIT (0x1UL << VTCR_EL2_PS_SHIFT)
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#define VTCR_EL2_PS_40BIT (0x2UL << VTCR_EL2_PS_SHIFT)
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#define VTCR_EL2_PS_42BIT (0x3UL << VTCR_EL2_PS_SHIFT)
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#define VTCR_EL2_PS_44BIT (0x4UL << VTCR_EL2_PS_SHIFT)
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#define VTCR_EL2_PS_48BIT (0x5UL << VTCR_EL2_PS_SHIFT)
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#define VTCR_EL2_DS_SHIFT 32
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#define VTCR_EL2_DS (0x1UL << VTCR_EL2_DS_SHIFT)
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/* VTTBR_EL2 - Virtualization Translation Table Base Register */
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#define VTTBR_VMID_MASK 0xffff000000000000
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#define VTTBR_VMID_SHIFT 48
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/* Assumed to be 0 by locore.S */
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#define VTTBR_HOST 0x0000000000000000
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/* MDCR_EL2 - Hyp Debug Control Register */
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#define MDCR_EL2_HPMN_MASK 0x1f
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#define MDCR_EL2_HPMN_SHIFT 0
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#define MDCR_EL2_TPMCR_SHIFT 5
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#define MDCR_EL2_TPMCR (0x1UL << MDCR_EL2_TPMCR_SHIFT)
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#define MDCR_EL2_TPM_SHIFT 6
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#define MDCR_EL2_TPM (0x1UL << MDCR_EL2_TPM_SHIFT)
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#define MDCR_EL2_HPME_SHIFT 7
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#define MDCR_EL2_HPME (0x1UL << MDCR_EL2_HPME_SHIFT)
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#define MDCR_EL2_TDE_SHIFT 8
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#define MDCR_EL2_TDE (0x1UL << MDCR_EL2_TDE_SHIFT)
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#define MDCR_EL2_TDA_SHIFT 9
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#define MDCR_EL2_TDA (0x1UL << MDCR_EL2_TDA_SHIFT)
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#define MDCR_EL2_TDOSA_SHIFT 10
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#define MDCR_EL2_TDOSA (0x1UL << MDCR_EL2_TDOSA_SHIFT)
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#define MDCR_EL2_TDRA_SHIFT 11
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#define MDCR_EL2_TDRA (0x1UL << MDCR_EL2_TDRA_SHIFT)
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#define MDCR_E2PB_SHIFT 12
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#define MDCR_E2PB_MASK (0x3UL << MDCR_E2PB_SHIFT)
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#define MDCR_TPMS_SHIFT 14
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#define MDCR_TPMS (0x1UL << MDCR_TPMS_SHIFT)
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#define MDCR_EnSPM_SHIFT 15
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#define MDCR_EnSPM (0x1UL << MDCR_EnSPM_SHIFT)
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#define MDCR_HPMD_SHIFT 17
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#define MDCR_HPMD (0x1UL << MDCR_HPMD_SHIFT)
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#define MDCR_TTRF_SHIFT 19
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#define MDCR_TTRF (0x1UL << MDCR_TTRF_SHIFT)
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#define MDCR_HCCD_SHIFT 23
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#define MDCR_HCCD (0x1UL << MDCR_HCCD_SHIFT)
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#define MDCR_E2TB_SHIFT 24
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#define MDCR_E2TB_MASK (0x3UL << MDCR_E2TB_SHIFT)
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#define MDCR_HLP_SHIFT 26
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#define MDCR_HLP (0x1UL << MDCR_HLP_SHIFT)
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#define MDCR_TDCC_SHIFT 27
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#define MDCR_TDCC (0x1UL << MDCR_TDCC_SHIFT)
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#define MDCR_MTPME_SHIFT 28
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#define MDCR_MTPME (0x1UL << MDCR_MTPME_SHIFT)
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#define MDCR_HPMFZO_SHIFT 29
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#define MDCR_HPMFZO (0x1UL << MDCR_HPMFZO_SHIFT)
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#define MDCR_PMSSE_SHIFT 30
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#define MDCR_PMSSE_MASK (0x3UL << MDCR_PMSSE_SHIFT)
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#define MDCR_HPMFZS_SHIFT 36
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#define MDCR_HPMFZS (0x1UL << MDCR_HPMFZS_SHIFT)
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#define MDCR_PMEE_SHIFT 40
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#define MDCR_PMEE_MASK (0x3UL << MDCR_PMEE_SHIFT)
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#define MDCR_EBWE_SHIFT 43
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#define MDCR_EBWE (0x1UL << MDCR_EBWE_SHIFT)
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#endif /* !_MACHINE_HYPERVISOR_H_ */
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