freebsd-dev/sys/arm64/include/hypervisor.h
Andrew Turner db724d9005 Update the hypervisor registers
- Add more registers needed by bhyve [1]
 - Move EL2 registers from armreg.h to hypervisor.h
 - Add the register name to hypervisor.h

Obtained from:	https://github.com/FreeBSD-UPB/freebsd [1]
2020-03-06 14:46:50 +00:00

186 lines
7.2 KiB
C

/*-
* Copyright (c) 2013, 2014 Andrew Turner
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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_HYPERVISOR_H_
#define _MACHINE_HYPERVISOR_H_
/*
* These registers are only useful when in hypervisor context,
* e.g. specific to EL2, or controlling the hypervisor.
*/
/* CNTHCTL_EL2 - Counter-timer Hypervisor Control register */
#define CNTHCTL_EVNTI_MASK (0xf << 4) /* Bit to trigger event stream */
#define CNTHCTL_EVNTDIR (1 << 3) /* Control transition trigger bit */
#define CNTHCTL_EVNTEN (1 << 2) /* Enable event stream */
#define CNTHCTL_EL1PCEN (1 << 1) /* Allow EL0/1 physical timer access */
#define CNTHCTL_EL1PCTEN (1 << 0) /*Allow EL0/1 physical counter access*/
/* CPTR_EL2 - Architecture feature trap register */
#define CPTR_RES0 0x7fefc800
#define CPTR_RES1 0x000033ff
#define CPTR_TFP 0x00000400
#define CPTR_TTA 0x00100000
#define CPTR_TCPAC 0x80000000
/* HCR_EL2 - Hypervisor Config Register */
#define HCR_VM 0x0000000000000001
#define HCR_SWIO 0x0000000000000002
#define HCR_PTW 0x0000000000000004
#define HCR_FMO 0x0000000000000008
#define HCR_IMO 0x0000000000000010
#define HCR_AMO 0x0000000000000020
#define HCR_VF 0x0000000000000040
#define HCR_VI 0x0000000000000080
#define HCR_VSE 0x0000000000000100
#define HCR_FB 0x0000000000000200
#define HCR_BSU_MASK 0x0000000000000c00
#define HCR_BSU_IS 0x0000000000000400
#define HCR_BSU_OS 0x0000000000000800
#define HCR_BSU_FS 0x0000000000000c00
#define HCR_DC 0x0000000000001000
#define HCR_TWI 0x0000000000002000
#define HCR_TWE 0x0000000000004000
#define HCR_TID0 0x0000000000008000
#define HCR_TID1 0x0000000000010000
#define HCR_TID2 0x0000000000020000
#define HCR_TID3 0x0000000000040000
#define HCR_TSC 0x0000000000080000
#define HCR_TIDCP 0x0000000000100000
#define HCR_TACR 0x0000000000200000
#define HCR_TSW 0x0000000000400000
#define HCR_TPCP 0x0000000000800000
#define HCR_TPU 0x0000000001000000
#define HCR_TTLB 0x0000000002000000
#define HCR_TVM 0x0000000004000000
#define HCR_TGE 0x0000000008000000
#define HCR_TDZ 0x0000000010000000
#define HCR_HCD 0x0000000020000000
#define HCR_TRVM 0x0000000040000000
#define HCR_RW 0x0000000080000000
#define HCR_CD 0x0000000100000000
#define HCR_ID 0x0000000200000000
#define HCR_E2H 0x0000000400000000
#define HCR_TLOR 0x0000000800000000
#define HCR_TERR 0x0000001000000000
#define HCR_TEA 0x0000002000000000
#define HCR_MIOCNCE 0x0000004000000000
/* Bit 39 is reserved */
#define HCR_APK 0x0000010000000000
#define HCR_API 0x0000020000000000
#define HCR_NV 0x0000040000000000
#define HCR_NV1 0x0000080000000000
#define HCR_AT 0x0000100000000000
/* HPFAR_EL2 - Hypervisor IPA Fault Address Register */
#define HPFAR_EL2_FIPA_SHIFT 4
#define HPFAR_EL2_FIPA_MASK 0xfffffffff0
/* ICC_SRE_EL2 */
#define ICC_SRE_EL2_SRE (1U << 0)
#define ICC_SRE_EL2_EN (1U << 3)
/* SCTLR_EL2 - System Control Register */
#define SCTLR_EL2_RES1 0x30c50830
#define SCTLR_EL2_M_SHIFT 0
#define SCTLR_EL2_M (0x1 << SCTLR_EL2_M_SHIFT)
#define SCTLR_EL2_A_SHIFT 1
#define SCTLR_EL2_A (0x1 << SCTLR_EL2_A_SHIFT)
#define SCTLR_EL2_C_SHIFT 2
#define SCTLR_EL2_C (0x1 << SCTLR_EL2_C_SHIFT)
#define SCTLR_EL2_SA_SHIFT 3
#define SCTLR_EL2_SA (0x1 << SCTLR_EL2_SA_SHIFT)
#define SCTLR_EL2_I_SHIFT 12
#define SCTLR_EL2_I (0x1 << SCTLR_EL2_I_SHIFT)
#define SCTLR_EL2_WXN_SHIFT 19
#define SCTLR_EL2_WXN (0x1 << SCTLR_EL2_WXN_SHIFT)
#define SCTLR_EL2_EE_SHIFT 25
#define SCTLR_EL2_EE (0x1 << SCTLR_EL2_EE_SHIFT)
/* TCR_EL2 - Translation Control Register */
#define TCR_EL2_RES1 ((0x1UL << 31) | (0x1UL << 23))
#define TCR_EL2_T0SZ_SHIFT 0
#define TCR_EL2_T0SZ_MASK (0x3f << TCR_EL2_T0SZ_SHIFT)
#define TCR_EL2_T0SZ(x) ((x) << TCR_EL2_T0SZ_SHIFT)
/* Bits 7:6 are reserved */
#define TCR_EL2_IRGN0_SHIFT 8
#define TCR_EL2_IRGN0_MASK (0x3 << TCR_EL2_IRGN0_SHIFT)
#define TCR_EL2_ORGN0_SHIFT 10
#define TCR_EL2_ORGN0_MASK (0x3 << TCR_EL2_ORGN0_SHIFT)
#define TCR_EL2_SH0_SHIFT 12
#define TCR_EL2_SH0_MASK (0x3 << TCR_EL2_SH0_SHIFT)
#define TCR_EL2_TG0_SHIFT 14
#define TCR_EL2_TG0_MASK (0x3 << TCR_EL2_TG0_SHIFT)
#define TCR_EL2_PS_SHIFT 16
#define TCR_EL2_PS_32BITS (0 << TCR_EL2_PS_SHIFT)
#define TCR_EL2_PS_36BITS (1 << TCR_EL2_PS_SHIFT)
#define TCR_EL2_PS_40BITS (2 << TCR_EL2_PS_SHIFT)
#define TCR_EL2_PS_42BITS (3 << TCR_EL2_PS_SHIFT)
#define TCR_EL2_PS_44BITS (4 << TCR_EL2_PS_SHIFT)
#define TCR_EL2_PS_48BITS (5 << TCR_EL2_PS_SHIFT)
#define TCR_EL2_PS_52BITS (6 << TCR_EL2_PS_SHIFT) /* ARMv8.2-LPA */
/* VMPDIR_EL2 - Virtualization Multiprocessor ID Register */
#define VMPIDR_EL2_U 0x0000000040000000
#define VMPIDR_EL2_MT 0x0000000001000000
#define VMPIDR_EL2_RES1 0x0000000080000000
/* VTCR_EL2 - Virtualization Translation Control Register */
#define VTCR_EL2_RES1 (0x1 << 31)
#define VTCR_EL2_T0SZ_MASK 0x3f
#define VTCR_EL2_SL0_SHIFT 6
#define VTCR_EL2_SL0_4K_LVL2 (0x0 << VTCR_EL2_SL0_SHIFT)
#define VTCR_EL2_SL0_4K_LVL1 (0x1 << VTCR_EL2_SL0_SHIFT)
#define VTCR_EL2_SL0_4K_LVL0 (0x2 << VTCR_EL2_SL0_SHIFT)
#define VTCR_EL2_IRGN0_SHIFT 8
#define VTCR_EL2_IRGN0_WBWA (0x1 << VTCR_EL2_IRGN0_SHIFT)
#define VTCR_EL2_ORGN0_SHIFT 10
#define VTCR_EL2_ORGN0_WBWA (0x1 << VTCR_EL2_ORGN0_SHIFT)
#define VTCR_EL2_SH0_SHIFT 12
#define VTCR_EL2_SH0_NS (0x0 << VTCR_EL2_SH0_SHIFT)
#define VTCR_EL2_SH0_OS (0x2 << VTCR_EL2_SH0_SHIFT)
#define VTCR_EL2_SH0_IS (0x3 << VTCR_EL2_SH0_SHIFT)
#define VTCR_EL2_TG0_SHIFT 14
#define VTCR_EL2_TG0_4K (0x0 << VTCR_EL2_TG0_SHIFT)
#define VTCR_EL2_TG0_64K (0x1 << VTCR_EL2_TG0_SHIFT)
#define VTCR_EL2_TG0_16K (0x2 << VTCR_EL2_TG0_SHIFT)
#define VTCR_EL2_PS_SHIFT 16
#define VTCR_EL2_PS_32BIT (0x0 << VTCR_EL2_PS_SHIFT)
#define VTCR_EL2_PS_36BIT (0x1 << VTCR_EL2_PS_SHIFT)
#define VTCR_EL2_PS_40BIT (0x2 << VTCR_EL2_PS_SHIFT)
#define VTCR_EL2_PS_42BIT (0x3 << VTCR_EL2_PS_SHIFT)
#define VTCR_EL2_PS_44BIT (0x4 << VTCR_EL2_PS_SHIFT)
#define VTCR_EL2_PS_48BIT (0x5 << VTCR_EL2_PS_SHIFT)
/* VTTBR_EL2 - Virtualization Translation Table Base Register */
#define VTTBR_VMID_MASK 0xffff000000000000
#define VTTBR_VMID_SHIFT 48
#define VTTBR_HOST 0x0000000000000000
#endif /* !_MACHINE_HYPERVISOR_H_ */