/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (C) 2015 Mihai Carabas * 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 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 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. */ #ifndef _VMM_ARM64_H_ #define _VMM_ARM64_H_ #include #include #include #include "mmu.h" #include "io/vgic_v3.h" #include "io/vtimer.h" struct vgic_v3; struct vgic_v3_cpu; /* * Per-vCPU hypervisor state. */ struct hypctx { struct trapframe tf; /* * EL1 control registers. */ uint64_t elr_el1; /* Exception Link Register */ uint64_t sp_el0; /* Stack pointer */ uint64_t tpidr_el0; /* EL0 Software ID Register */ uint64_t tpidrro_el0; /* Read-only Thread ID Register */ uint64_t tpidr_el1; /* EL1 Software ID Register */ uint64_t vbar_el1; /* Vector Base Address Register */ uint64_t actlr_el1; /* Auxiliary Control Register */ uint64_t afsr0_el1; /* Auxiliary Fault Status Register 0 */ uint64_t afsr1_el1; /* Auxiliary Fault Status Register 1 */ uint64_t amair_el1; /* Auxiliary Memory Attribute Indirection Register */ uint64_t contextidr_el1; /* Current Process Identifier */ uint64_t cpacr_el1; /* Architectural Feature Access Control Register */ uint64_t csselr_el1; /* Cache Size Selection Register */ uint64_t esr_el1; /* Exception Syndrome Register */ uint64_t far_el1; /* Fault Address Register */ uint64_t mair_el1; /* Memory Attribute Indirection Register */ uint64_t mdccint_el1; /* Monitor DCC Interrupt Enable Register */ uint64_t mdscr_el1; /* Monitor Debug System Control Register */ uint64_t par_el1; /* Physical Address Register */ uint64_t sctlr_el1; /* System Control Register */ uint64_t tcr_el1; /* Translation Control Register */ uint64_t tcr2_el1; /* Translation Control Register 2 */ uint64_t ttbr0_el1; /* Translation Table Base Register 0 */ uint64_t ttbr1_el1; /* Translation Table Base Register 1 */ uint64_t spsr_el1; /* Saved Program Status Register */ uint64_t pmcr_el0; /* Performance Monitors Control Register */ uint64_t pmccntr_el0; uint64_t pmccfiltr_el0; uint64_t pmuserenr_el0; uint64_t pmselr_el0; uint64_t pmxevcntr_el0; uint64_t pmcntenset_el0; uint64_t pmintenset_el1; uint64_t pmovsset_el0; uint64_t pmevcntr_el0[31]; uint64_t pmevtyper_el0[31]; uint64_t dbgclaimset_el1; uint64_t dbgbcr_el1[16]; /* Debug Breakpoint Control Registers */ uint64_t dbgbvr_el1[16]; /* Debug Breakpoint Value Registers */ uint64_t dbgwcr_el1[16]; /* Debug Watchpoint Control Registers */ uint64_t dbgwvr_el1[16]; /* Debug Watchpoint Value Registers */ /* EL2 control registers */ uint64_t cptr_el2; /* Architectural Feature Trap Register */ uint64_t hcr_el2; /* Hypervisor Configuration Register */ uint64_t hcrx_el2; /* Extended Hypervisor Configuration Register */ uint64_t mdcr_el2; /* Monitor Debug Configuration Register */ uint64_t vpidr_el2; /* Virtualization Processor ID Register */ uint64_t vmpidr_el2; /* Virtualization Multiprocessor ID Register */ /* FEAT_FGT registers */ /*uint64_t hafgrtr_el2; *//* For FEAT_AMUv1 (not supported) */ uint64_t hdfgrtr_el2; uint64_t hdfgwtr_el2; uint64_t hfgitr_el2; uint64_t hfgrtr_el2; uint64_t hfgwtr_el2; /* FEAT_FGT2 registers */ uint64_t hdfgrtr2_el2; uint64_t hdfgwtr2_el2; uint64_t hfgitr2_el2; uint64_t hfgrtr2_el2; uint64_t hfgwtr2_el2; uint64_t el2_addr; /* The address of this in el2 space */ struct hyp *hyp; struct vcpu *vcpu; struct { uint64_t far_el2; /* Fault Address Register */ uint64_t hpfar_el2; /* Hypervisor IPA Fault Address Register */ } exit_info; struct vtimer_cpu vtimer_cpu; uint64_t setcaps; /* Currently enabled capabilities. */ /* vCPU state used to handle guest debugging. */ uint64_t debug_spsr; /* Saved guest SPSR */ uint64_t debug_mdscr; /* Saved guest MDSCR */ struct vgic_v3_regs vgic_v3_regs; struct vgic_v3_cpu *vgic_cpu; bool has_exception; bool dbg_oslock; }; struct hyp { struct vm *vm; struct vtimer vtimer; uint64_t vmid_generation; uint64_t vttbr_el2; uint64_t el2_addr; /* The address of this in el2 space */ uint64_t feats; /* Which features are enabled */ #define HYP_FEAT_HCX (0x1ul << 0) #define HYP_FEAT_ECV_POFF (0x1ul << 1) #define HYP_FEAT_FGT (0x1ul << 2) #define HYP_FEAT_FGT2 (0x1ul << 3) bool vgic_attached; struct vgic_v3 *vgic; struct hypctx *ctx[]; }; uint64_t vmm_call_hyp(uint64_t, ...); #if 0 #define eprintf(fmt, ...) printf("%s:%d " fmt, __func__, __LINE__, ##__VA_ARGS__) #else #define eprintf(fmt, ...) do {} while(0) #endif struct hypctx *arm64_get_active_vcpu(void); void raise_data_insn_abort(struct hypctx *, uint64_t, bool, int); #endif /* !_VMM_ARM64_H_ */