From 874d1432be608880b4477e3c9cdb1c5ee17e94fb Mon Sep 17 00:00:00 2001 From: TuxSH <1922548+TuxSH@users.noreply.github.com> Date: Mon, 24 Feb 2020 00:21:26 +0000 Subject: [PATCH] thermosphere: exception dispatcher rewrite --- thermosphere/src/debug_manager.h | 5 +- .../src/hvisor_exception_dispatcher.cpp | 178 +++++++ .../src/hvisor_exception_dispatcher.hpp | 38 ++ thermosphere/src/hvisor_guest_timers.hpp | 4 + thermosphere/src/sysreg.h | 467 ------------------ 5 files changed, 223 insertions(+), 469 deletions(-) create mode 100644 thermosphere/src/hvisor_exception_dispatcher.cpp create mode 100644 thermosphere/src/hvisor_exception_dispatcher.hpp delete mode 100644 thermosphere/src/sysreg.h diff --git a/thermosphere/src/debug_manager.h b/thermosphere/src/debug_manager.h index 62b9bca17..728ec499d 100644 --- a/thermosphere/src/debug_manager.h +++ b/thermosphere/src/debug_manager.h @@ -16,7 +16,8 @@ #pragma once -#include "exceptions.h" +//#include "exceptions.h" +struct ExceptionStackFrame; //#include "gdb/hvisor_context.h" #include "transport_interface.h" @@ -42,7 +43,7 @@ typedef struct DebugEventInfo { bool preprocessed; bool handled; u32 coreId; - ExceptionStackFrame *frame; + struct ExceptionStackFrame *frame; union { OutputStringDebugEventInfo outputString; }; diff --git a/thermosphere/src/hvisor_exception_dispatcher.cpp b/thermosphere/src/hvisor_exception_dispatcher.cpp new file mode 100644 index 000000000..869005ddf --- /dev/null +++ b/thermosphere/src/hvisor_exception_dispatcher.cpp @@ -0,0 +1,178 @@ +/* + * Copyright (c) 2019-2020 Atmosphère-NX + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "hvisor_exception_dispatcher.hpp" +#include "hvisor_irq_manager.hpp" +#include "hvisor_fpu_register_cache.hpp" +#include "hvisor_guest_timers.hpp" + +#include "debug_manager.h" + +namespace { + + void DumpStackFrame(const ams::hvisor::ExceptionStackFrame *frame, bool sameEl) + { +#ifndef NDEBUG + uintptr_t stackTop = memoryMapGetStackTop(ams::hvisor::currentCoreCtx->GetCoreId()); + + for (u32 i = 0; i < 30; i += 2) { + DEBUG("x%u\t\t%016llx\t\tx%u\t\t%016llx\n", i, frame->x[i], i + 1, frame->x[i + 1]); + } + + DEBUG("x30\t\t%016llx\n\n", frame->x[30]); + DEBUG("elr_el2\t\t%016llx\n", frame->elr_el2); + DEBUG("spsr_el2\t%016llx\n", frame->spsr_el2); + DEBUG("far_el2\t\t%016llx\n", frame->far_el2); + if (sameEl) { + DEBUG("sp_el2\t\t%016llx\n", frame->sp_el2); + } else { + DEBUG("sp_el1\t\t%016llx\n", frame->sp_el1); + } + DEBUG("sp_el0\t\t%016llx\n", frame->sp_el0); + DEBUG("cntpct_el0\t%016llx\n", frame->cntpct_el0); + if (frame == ams::hvisor::currentCoreCtx->GetGuestFrame()) { + DEBUG("cntp_ctl_el0\t%016llx\n", frame->cntp_ctl_el0); + DEBUG("cntv_ctl_el0\t%016llx\n", frame->cntv_ctl_el0); + } else if ((frame->sp_el2 & ~0xFFFul) + 0x1000 == stackTop) { + // Try to dump the stack (comment if this crashes) + u64 *sp = (u64 *)frame->sp_el2; + u64 *spEnd = sp + 0x20; + u64 *spMax = reinterpret_cast((frame->sp_el2 + 0xFFF) & ~0xFFFul); + DEBUG("Stack trace:\n"); + while (sp < spEnd && sp < spMax) { + DEBUG("\t%016lx\n", *sp++); + } + } else { + DEBUG("Stack overflow/double fault detected!\n"); + } +#else + (void)frame; + (void)sameEl; +#endif + } + +} + +namespace ams::hvisor { + + void EnableGeneralTraps(void) + { + u64 hcr = THERMOSPHERE_GET_SYSREG(hcr_el2); + + // Trap SMC instructions + hcr |= cpu::HCR_TSC; + + // Trap set/way isns + hcr |= cpu::HCR_TSW; + + // Reroute physical IRQs to EL2 + hcr |= cpu::HCR_IMO; + + // Make sure HVC is enabled + hcr &= ~cpu::HCR_HCD; + + THERMOSPHERE_SET_SYSREG(hcr_el2, hcr); + + EnableGuestTimerTraps(); + } + + void ExceptionEntryPostprocess(ExceptionStackFrame *frame, bool isLowerEl) + { + if (frame == currentCoreCtx->GetGuestFrame()) { + frame->cntp_ctl_el0 = THERMOSPHERE_GET_SYSREG(cntp_ctl_el0); + frame->cntv_ctl_el0 = THERMOSPHERE_GET_SYSREG(cntv_ctl_el0); + } + } + + void ExceptionReturnPreprocess(ExceptionStackFrame *frame) + { + if (frame == currentCoreCtx->GetGuestFrame()) { + if (currentCoreCtx->WasPaused()) { + // Were we paused & are we about to return to the guest? + IrqManager::EnterInterruptibleHypervisorCode(); + while (!debugManagerHandlePause()); + FpuRegisterCache::GetInstance().CleanInvalidate; + } + + // Update virtual counter + u64 ticksNow = 0;// TODO timerGetSystemTick(); + currentCoreCtx->IncrementTotalTimeInHypervisor(ticksNow - frame->cntpct_el0); + UpdateVirtualOffsetSysreg(); + + // Restore timer interrupt config + THERMOSPHERE_SET_SYSREG(cntp_ctl_el0, frame->cntp_ctl_el0); + THERMOSPHERE_SET_SYSREG(cntv_ctl_el0, frame->cntv_ctl_el0); + } + } + + void HandleLowerElSyncException(ExceptionStackFrame *frame) + { + auto esr = frame->esr_el2; + switch (esr.ec) { + case cpu::ExceptionSyndromeRegister::CP15RTTrap: + handleMcrMrcCP15Trap(frame, esr); + break; + case cpu::ExceptionSyndromeRegister::CP15RRTTrap: + handleMcrrMrrcCP15Trap(frame, esr); + break; + case cpu::ExceptionSyndromeRegister::CP14RTTrap: + case cpu::ExceptionSyndromeRegister::CP14DTTrap: + case cpu::ExceptionSyndromeRegister::CP14RRTTrap: + // A32 stub: Skip instruction, read 0 if necessary (there are debug regs at EL0) + handleA32CP14Trap(frame, esr); + break; + case cpu::ExceptionSyndromeRegister::HypervisorCallA64: + handleHypercall(frame, esr); + break; + case cpu::ExceptionSyndromeRegister::MonitorCallA64: + handleSmcTrap(frame, esr); + break; + case cpu::ExceptionSyndromeRegister::SystemRegisterTrap: + handleMsrMrsTrap(frame, esr); + break; + case cpu::ExceptionSyndromeRegister::DataAbortLowerEl: + // Basically, stage2 translation faults + handleLowerElDataAbortException(frame, esr); + break; + case cpu::ExceptionSyndromeRegister::SoftwareStepLowerEl: + handleSingleStep(frame, esr); + break; + case cpu::ExceptionSyndromeRegister::BreakpointLowerEl: + case cpu::ExceptionSyndromeRegister::WatchpointLowerEl: + case cpu::ExceptionSyndromeRegister::SoftwareBreakpointA64: + case cpu::ExceptionSyndromeRegister::SoftwareBreakpointA32: + debugManagerReportEvent(DBGEVENT_EXCEPTION); + break; + default: + DEBUG("Lower EL sync exception, EC = 0x%02llx IL=%llu ISS=0x%06llx\n", (u64)esr.ec, esr.il, esr.iss); + DumpStackFrame(frame, false); + break; + } + } + + void HandleSameElSyncException(ExceptionStackFrame *frame) + { + auto esr = frame->esr_el2; + DEBUG("Same EL sync exception on core %x, EC = 0x%02x IL=%llu ISS=0x%06llx\n", currentCoreCtx->GetCoreId(), esr.ec, esr.il, esr.iss); + DumpStackFrame(frame, true); + } + + void HandleUnknownException(u32 offset) + { + DEBUG("Unknown exception on core %x! (offset 0x%03lx)\n", currentCoreCtx->GetCoreId(), offset); + } + +} diff --git a/thermosphere/src/hvisor_exception_dispatcher.hpp b/thermosphere/src/hvisor_exception_dispatcher.hpp new file mode 100644 index 000000000..380484ded --- /dev/null +++ b/thermosphere/src/hvisor_exception_dispatcher.hpp @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2019-2020 Atmosphère-NX + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#pragma once + +#include "hvisor_exception_stack_frame.hpp" +#include "cpu/hvisor_cpu_exception_sysregs.hpp" + +namespace ams::hvisor { + + void EnableGeneralTraps(void); + + // Called on exception entry (avoids overflowing a vector section) + void ExceptionEntryPostprocess(ExceptionStackFrame *frame, bool isLowerEl); + + // Called on exception return (avoids overflowing a vector section) + void ExceptionReturnPreprocess(ExceptionStackFrame *frame); + + void HandleLowerElSyncException(ExceptionStackFrame *frame); + + void HandleSameElSyncException(ExceptionStackFrame *frame); + + void HandleUnknownException(u32 offset); + +} diff --git a/thermosphere/src/hvisor_guest_timers.hpp b/thermosphere/src/hvisor_guest_timers.hpp index 42a517f4a..c37cedeae 100644 --- a/thermosphere/src/hvisor_guest_timers.hpp +++ b/thermosphere/src/hvisor_guest_timers.hpp @@ -60,4 +60,8 @@ namespace ams::hvisor { THERMOSPHERE_SET_SYSREG(cnthctl_el2, cnthctl); } + static inline void UpdateVirtualOffsetSysreg(void) + { + THERMOSPHERE_SET_SYSREG(cntvoff_el2, currentCoreCtx->GetTotalTimeInHypervisor()); + } } diff --git a/thermosphere/src/sysreg.h b/thermosphere/src/sysreg.h deleted file mode 100644 index 61c377080..000000000 --- a/thermosphere/src/sysreg.h +++ /dev/null @@ -1,467 +0,0 @@ -/* - * Copyright (c) 2019 Atmosphère-NX - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#pragma once - -#include "preprocessor.h" - -// Only for most EL1 regs, etc. - -#ifndef BITL -#define BITL(n) (1ull << (n)) -#endif - -#define TUP_DC_ISW (1, 0, 7, 6, 2) -#define TUP_DC_CSW (1, 0, 7, 10, 2) -#define TUP_DC_CISW (1, 0, 7, 14, 2) - -#define TUP_OSDTRRX_EL1 (2, 0, 0, 0, 2) -#define TUP_MDCCINT_EL1 (2, 0, 0, 2, 0) -#define TUP_MDSCR_EL1 (2, 0, 0, 2, 2) -#define TUP_OSDTRTX_EL1 (2, 0, 0, 3, 2) -#define TUP_OSECCR_EL1 (2, 0, 0, 6, 2) -#define TUP_DBGBVRn_EL1(n) (2, 0, 0, n, 4) -#define TUP_DBGBCRn_EL1(n) (2, 0, 0, n, 5) -#define TUP_DBGWVRn_EL1(n) (2, 0, 0, n, 6) -#define TUP_DBGWCRn_EL1(n) (2, 0, 0, n, 7) -#define TUP_MDRAR_EL1 (2, 0, 1, 0, 0) -#define TUP_OSLAR_EL1 (2, 0, 1, 0, 4) -#define TUP_OSLSR_EL1 (2, 0, 1, 1, 4) -#define TUP_OSDLR_EL1 (2, 0, 1, 3, 4) -#define TUP_DBGPRCR_EL1 (2, 0, 1, 4, 4) -#define TUP_DBGCLAIMSET_EL1 (2, 0, 7, 8, 6) -#define TUP_DBGCLAIMCLR_EL1 (2, 0, 7, 9, 6) -#define TUP_DBGAUTHSTATUS_EL1 (2, 0, 7, 14, 6) -#define TUP_MDCCSR_EL0 (2, 3, 0, 1, 0) -#define TUP_DBGDTR_EL0 (2, 3, 0, 4, 0) -#define TUP_DBGDTRRX_EL0 (2, 3, 0, 5, 0) -#define TUP_DBGDTRTX_EL0 (2, 3, 0, 5, 0) -#define TUP_DBGVCR32_EL2 (2, 4, 0, 7, 0) - -#define TUP_MIDR_EL1 (3, 0, 0, 0, 0) -#define TUP_MPIDR_EL1 (3, 0, 0, 0, 5) -#define TUP_REVIDR_EL1 (3, 0, 0, 0, 6) - -#define TUP_ID_PFR0_EL1 (3, 0, 0, 1, 0) -#define TUP_ID_PFR1_EL1 (3, 0, 0, 1, 1) -#define TUP_ID_DFR0_EL1 (3, 0, 0, 1, 2) -#define TUP_ID_AFR0_EL1 (3, 0, 0, 1, 3) -#define TUP_ID_MMFR0_EL1 (3, 0, 0, 1, 4) -#define TUP_ID_MMFR1_EL1 (3, 0, 0, 1, 5) -#define TUP_ID_MMFR2_EL1 (3, 0, 0, 1, 6) -#define TUP_ID_MMFR3_EL1 (3, 0, 0, 1, 7) - -#define TUP_ID_ISAR0_EL1 (3, 0, 0, 2, 0) -#define TUP_ID_ISAR1_EL1 (3, 0, 0, 2, 1) -#define TUP_ID_ISAR2_EL1 (3, 0, 0, 2, 2) -#define TUP_ID_ISAR3_EL1 (3, 0, 0, 2, 3) -#define TUP_ID_ISAR4_EL1 (3, 0, 0, 2, 4) -#define TUP_ID_ISAR5_EL1 (3, 0, 0, 2, 5) -#define TUP_ID_MMFR4_EL1 (3, 0, 0, 2, 6) - -#define TUP_MVFR0_EL1 (3, 0, 0, 3, 0) -#define TUP_MVFR1_EL1 (3, 0, 0, 3, 1) -#define TUP_MVFR2_EL1 (3, 0, 0, 3, 2) - -#define TUP_ID_AA64PFR0_EL1 (3, 0, 0, 4, 0) -#define TUP_ID_AA64PFR1_EL1 (3, 0, 0, 4, 1) -#define TUP_ID_AA64ZFR0_EL1 (3, 0, 0, 4, 4) - -#define TUP_ID_AA64DFR0_EL1 (3, 0, 0, 5, 0) -#define TUP_ID_AA64DFR1_EL1 (3, 0, 0, 5, 1) - -#define TUP_ID_AA64AFR0_EL1 (3, 0, 0, 5, 4) -#define TUP_ID_AA64AFR1_EL1 (3, 0, 0, 5, 5) - -#define TUP_ID_AA64ISAR0_EL1 (3, 0, 0, 6, 0) -#define TUP_ID_AA64ISAR1_EL1 (3, 0, 0, 6, 1) - -#define TUP_ID_AA64MMFR0_EL1 (3, 0, 0, 7, 0) -#define TUP_ID_AA64MMFR1_EL1 (3, 0, 0, 7, 1) -#define TUP_ID_AA64MMFR2_EL1 (3, 0, 0, 7, 2) - -#define TUP_SCTLR_EL1 (3, 0, 1, 0, 0) -#define TUP_ACTLR_EL1 (3, 0, 1, 0, 1) -#define TUP_CPACR_EL1 (3, 0, 1, 0, 2) - -#define TUP_ZCR_EL1 (3, 0, 1, 2, 0) - -#define TUP_TTBR0_EL1 (3, 0, 2, 0, 0) -#define TUP_TTBR1_EL1 (3, 0, 2, 0, 1) -#define TUP_TCR_EL1 (3, 0, 2, 0, 2) - -#define TUP_APIAKEYLO_EL1 (3, 0, 2, 1, 0) -#define TUP_APIAKEYHI_EL1 (3, 0, 2, 1, 1) -#define TUP_APIBKEYLO_EL1 (3, 0, 2, 1, 2) -#define TUP_APIBKEYHI_EL1 (3, 0, 2, 1, 3) - -#define TUP_APDAKEYLO_EL1 (3, 0, 2, 2, 0) -#define TUP_APDAKEYHI_EL1 (3, 0, 2, 2, 1) -#define TUP_APDBKEYLO_EL1 (3, 0, 2, 2, 2) -#define TUP_APDBKEYHI_EL1 (3, 0, 2, 2, 3) - -#define TUP_APGAKEYLO_EL1 (3, 0, 2, 3, 0) -#define TUP_APGAKEYHI_EL1 (3, 0, 2, 3, 1) - -#define TUP_ICC_PMR_EL1 (3, 0, 4, 6, 0) - -#define TUP_AFSR0_EL1 (3, 0, 5, 1, 0) -#define TUP_AFSR1_EL1 (3, 0, 5, 1, 1) -#define TUP_ESR_EL1 (3, 0, 5, 2, 0) - -#define TUP_ERRIDR_EL1 (3, 0, 5, 3, 0) -#define TUP_ERRSELR_EL1 (3, 0, 5, 3, 1) -#define TUP_ERXFR_EL1 (3, 0, 5, 4, 0) -#define TUP_ERXCTLR_EL1 (3, 0, 5, 4, 1) -#define TUP_ERXSTATUS_EL1 (3, 0, 5, 4, 2) -#define TUP_ERXADDR_EL1 (3, 0, 5, 4, 3) -#define TUP_ERXMISC0_EL1 (3, 0, 5, 5, 0) -#define TUP_ERXMISC1_EL1 (3, 0, 5, 5, 1) - -#define TUP_FAR_EL1 (3, 0, 6, 0, 0) -#define TUP_PAR_EL1 (3, 0, 7, 4, 0) - - -#define TUP_PMSIDR_EL1 (3, 0, 9, 9, 7) -#define TUP_PMBIDR_EL1 (3, 0, 9, 10, 7) -#define TUP_PMSCR_EL1 (3, 0, 9, 9, 0) -#define TUP_PMSCR_EL2 (3, 4, 9, 9, 0) -#define TUP_PMSICR_EL1 (3, 0, 9, 9, 2) -#define TUP_PMSIRR_EL1 (3, 0, 9, 9, 3) -#define TUP_PMSFCR_EL1 (3, 0, 9, 9, 4) - - -#define TUP_PMSEVFR_EL1 (3, 0, 9, 9, 5) -#define TUP_PMSLATFR_EL1 (3, 0, 9, 9, 6) -#define TUP_PMBLIMITR_EL1 (3, 0, 9, 10, 0) - - -#define TUP_PMBPTR_EL1 (3, 0, 9, 10, 1) - -#define TUP_PMBSR_EL1 (3, 0, 9, 10, 3) - - -#define TUP_PMINTENSET_EL1 (3, 0, 9, 14, 1) -#define TUP_PMINTENCLR_EL1 (3, 0, 9, 14, 2) - -#define TUP_MAIR_EL1 (3, 0, 10, 2, 0) -#define TUP_AMAIR_EL1 (3, 0, 10, 3, 0) - -#define TUP_LORSA_EL1 (3, 0, 10, 4, 0) -#define TUP_LOREA_EL1 (3, 0, 10, 4, 1) -#define TUP_LORN_EL1 (3, 0, 10, 4, 2) -#define TUP_LORC_EL1 (3, 0, 10, 4, 3) -#define TUP_LORID_EL1 (3, 0, 10, 4, 7) - -#define TUP_VBAR_EL1 (3, 0, 12, 0, 0) -#define TUP_DISR_EL1 (3, 0, 12, 1, 1) - -#define TUP_ICC_IAR0_EL1 (3, 0, 12, 8, 0) -#define TUP_ICC_EOIR0_EL1 (3, 0, 12, 8, 1) -#define TUP_ICC_HPPIR0_EL1 (3, 0, 12, 8, 2) -#define TUP_ICC_BPR0_EL1 (3, 0, 12, 8, 3) -#define TUP_ICC_AP0Rn_EL1(n) (3, 0, 12, 8, 4 | n) -#define TUP_ICC_AP0R0_EL1 TUP_ICC_AP0Rn_EL1(0) -#define TUP_ICC_AP0R1_EL1 TUP_ICC_AP0Rn_EL1(1) -#define TUP_ICC_AP0R2_EL1 TUP_ICC_AP0Rn_EL1(2) -#define TUP_ICC_AP0R3_EL1 TUP_ICC_AP0Rn_EL1(3) -#define TUP_ICC_AP1Rn_EL1(n) (3, 0, 12, 9, n) -#define TUP_ICC_AP1R0_EL1 TUP_ICC_AP1Rn_EL1(0) -#define TUP_ICC_AP1R1_EL1 TUP_ICC_AP1Rn_EL1(1) -#define TUP_ICC_AP1R2_EL1 TUP_ICC_AP1Rn_EL1(2) -#define TUP_ICC_AP1R3_EL1 TUP_ICC_AP1Rn_EL1(3) -#define TUP_ICC_DIR_EL1 (3, 0, 12, 11, 1) -#define TUP_ICC_RPR_EL1 (3, 0, 12, 11, 3) -#define TUP_ICC_SGI1R_EL1 (3, 0, 12, 11, 5) -#define TUP_ICC_ASGI1R_EL1 (3, 0, 12, 11, 6) -#define TUP_ICC_SGI0R_EL1 (3, 0, 12, 11, 7) -#define TUP_ICC_IAR1_EL1 (3, 0, 12, 12, 0) -#define TUP_ICC_EOIR1_EL1 (3, 0, 12, 12, 1) -#define TUP_ICC_HPPIR1_EL1 (3, 0, 12, 12, 2) -#define TUP_ICC_BPR1_EL1 (3, 0, 12, 12, 3) -#define TUP_ICC_CTLR_EL1 (3, 0, 12, 12, 4) -#define TUP_ICC_SRE_EL1 (3, 0, 12, 12, 5) -#define TUP_ICC_IGRPEN0_EL1 (3, 0, 12, 12, 6) -#define TUP_ICC_IGRPEN1_EL1 (3, 0, 12, 12, 7) - -#define TUP_CONTEXTIDR_EL1 (3, 0, 13, 0, 1) -#define TUP_TPIDR_EL1 (3, 0, 13, 0, 4) - -#define TUP_CNTKCTL_EL1 (3, 0, 14, 1, 0) - -#define TUP_CCSIDR_EL1 (3, 1, 0, 0, 0) -#define TUP_CLIDR_EL1 (3, 1, 0, 0, 1) -#define TUP_AIDR_EL1 (3, 1, 0, 0, 7) - -#define TUP_CSSELR_EL1 (3, 2, 0, 0, 0) - -#define TUP_CTR_EL0 (3, 3, 0, 0, 1) -#define TUP_DCZID_EL0 (3, 3, 0, 0, 7) - -#define TUP_PMCR_EL0 (3, 3, 9, 12, 0) -#define TUP_PMCNTENSET_EL0 (3, 3, 9, 12, 1) -#define TUP_PMCNTENCLR_EL0 (3, 3, 9, 12, 2) -#define TUP_PMOVSCLR_EL0 (3, 3, 9, 12, 3) -#define TUP_PMSWINC_EL0 (3, 3, 9, 12, 4) -#define TUP_PMSELR_EL0 (3, 3, 9, 12, 5) -#define TUP_PMCEID0_EL0 (3, 3, 9, 12, 6) -#define TUP_PMCEID1_EL0 (3, 3, 9, 12, 7) -#define TUP_PMCCNTR_EL0 (3, 3, 9, 13, 0) -#define TUP_PMXEVTYPER_EL0 (3, 3, 9, 13, 1) -#define TUP_PMXEVCNTR_EL0 (3, 3, 9, 13, 2) -#define TUP_PMUSERENR_EL0 (3, 3, 9, 14, 0) -#define TUP_PMOVSSET_EL0 (3, 3, 9, 14, 3) - -#define TUP_TPIDR_EL0 (3, 3, 13, 0, 2) -#define TUP_TPIDRRO_EL0 (3, 3, 13, 0, 3) - -#define TUP_CNTFRQ_EL0 (3, 3, 14, 0, 0) -#define TUP_CNTPCT_EL0 (3, 3, 14, 0, 1) -#define TUP_CNTVCT_EL0 (3, 3, 14, 0, 2) - -#define TUP_CNTP_TVAL_EL0 (3, 3, 14, 2, 0) -#define TUP_CNTP_CTL_EL0 (3, 3, 14, 2, 1) -#define TUP_CNTP_CVAL_EL0 (3, 3, 14, 2, 2) - -#define TUP_CNTV_TVAL_EL0 (3, 3, 14, 3, 0) -#define TUP_CNTV_CTL_EL0 (3, 3, 14, 3, 1) -#define TUP_CNTV_CVAL_EL0 (3, 3, 14, 3, 2) - -#define TUP_CNTVOFF_EL2 (3, 4, 14, 0, 3) -#define TUP_CNTHCTL_EL2 (3, 4, 14, 1, 0) -#define TUP_CNTHP_CVAL_EL2 (3, 4, 14, 2, 2) - -#define __field_PMEV_op2(n) ((n) & 0x7) -#define __field__CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3)) -#define __field__TYPER_CRm(n) (0xC | (((n) >> 3) & 0x3)) -#define TUP_PMEVCNTRn_EL0(n) (3, 3, 14, __field_CNTR_CRm(n), __field_PMEV_op2(n)) -#define TUP_PMEVTYPERn_EL0(n) (3, 3, 14, __field_TYPER_CRm(n), __field_PMEV_op2(n)) - -#define TUP_PMCCFILTR_EL0 (3, 3, 14, 15, 7) - -#define TUP_ZCR_EL2 (3, 4, 1, 2, 0) - -#define TUP_DACR32_EL2 (3, 4, 3, 0, 0) -#define TUP_IFSR32_EL2 (3, 4, 5, 0, 1) -#define TUP_VSESR_EL2 (3, 4, 5, 2, 3) -#define TUP_FPEXC32_EL2 (3, 4, 5, 3, 0) - -#define TUP_VDISR_EL2 (3, 4, 12, 1, 1) -#define TUP_ICH_AP0Rn_EL2(n) (3, 4, 12, 8, n) -#define TUP_ICH_AP0R0_EL2 TUP_ICH_AP0Rn_EL2(0) -#define TUP_ICH_AP0R1_EL2 TUP_ICH_AP0Rn_EL2(1) -#define TUP_ICH_AP0R2_EL2 TUP_ICH_AP0Rn_EL2(2) -#define TUP_ICH_AP0R3_EL2 TUP_ICH_AP0Rn_EL2(3) - -#define TUP_AP1Rx_EL2(n) (3, 4, 12, 9, n) -#define TUP_ICH_AP1R0_EL2 TUP_ICH_AP1Rn_EL2(0) -#define TUP_ICH_AP1R1_EL2 TUP_ICH_AP1Rn_EL2(1) -#define TUP_ICH_AP1R2_EL2 TUP_ICH_AP1Rn_EL2(2) -#define TUP_ICH_AP1R3_EL2 TUP_ICH_AP1Rn_EL2(3) - -#define TUP_ICH_VSEIR_EL2 (3, 4, 12, 9, 4) -#define TUP_ICC_SRE_EL2 (3, 4, 12, 9, 5) -#define TUP_ICH_HCR_EL2 (3, 4, 12, 11, 0) -#define TUP_ICH_VTR_EL2 (3, 4, 12, 11, 1) -#define TUP_ICH_MISR_EL2 (3, 4, 12, 11, 2) -#define TUP_ICH_EISR_EL2 (3, 4, 12, 11, 3) -#define TUP_ICH_ELRSR_EL2 (3, 4, 12, 11, 5) -#define TUP_ICH_VMCR_EL2 (3, 4, 12, 11, 7) - -#define TUP_ICH_LRn_EL2(n) (3, 4, 12, 12 + (n)/8, n) -#define TUP_ICH_LR0_EL2 TUP_ICH_LRn_EL2(0) -#define TUP_ICH_LR1_EL2 TUP_ICH_LRn_EL2(1) -#define TUP_ICH_LR2_EL2 TUP_ICH_LRn_EL2(2) -#define TUP_ICH_LR3_EL2 TUP_ICH_LRn_EL2(3) -#define TUP_ICH_LR4_EL2 TUP_ICH_LRn_EL2(4) -#define TUP_ICH_LR5_EL2 TUP_ICH_LRn_EL2(5) -#define TUP_ICH_LR6_EL2 TUP_ICH_LRn_EL2(6) -#define TUP_ICH_LR7_EL2 TUP_ICH_LRn_EL2(7) -#define TUP_ICH_LR8_EL2 TUP_ICH_LRn_EL2(8) -#define TUP_ICH_LR9_EL2 TUP_ICH_LRn_EL2(9) -#define TUP_ICH_LR10_EL2 TUP_ICH_LRn_EL2(10) -#define TUP_ICH_LR11_EL2 TUP_ICH_LRn_EL2(11) -#define TUP_ICH_LR12_EL2 TUP_ICH_LRn_EL2(12) -#define TUP_ICH_LR13_EL2 TUP_ICH_LRn_EL2(13) -#define TUP_ICH_LR14_EL2 TUP_ICH_LRn_EL2(14) -#define TUP_ICH_LR15_EL2 TUP_ICH_LRn_EL2(15) - -#define TUP_ZCR_EL12 (3, 5, 1, 2, 0) - - -#define SCTLR_ELx_DSSBS BITL(44) -#define SCTLR_ELx_ENIA BITL(31) -#define SCTLR_ELx_ENIB BITL(30) -#define SCTLR_ELx_ENDA BITL(27) -#define SCTLR_ELx_EE BITL(25) -#define SCTLR_ELx_IESB BITL(21) -#define SCTLR_ELx_WXN BITL(19) -#define SCTLR_ELx_ENDB BITL(13) -#define SCTLR_ELx_I BITL(12) -#define SCTLR_ELx_SA BITL(3) -#define SCTLR_ELx_C BITL(2) -#define SCTLR_ELx_A BITL(1) -#define SCTLR_ELx_M BITL(0) - -#define SCTLR_ELx_FLAGS (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB) - -#define SCTLR_EL2_RES1 (BITL(4) | BITL(5) | BITL(11) | BITL(16) | \ - BITL(18) | BITL(22) | BITL(23) | BITL(28) | \ - BITL(29)) -#define SCTLR_EL2_RES0 (BITL(6) | BITL(7) | BITL(8) | BITL(9) | \ - BITL(10) | BITL(13) | BITL(14) | BITL(15) | \ - BITL(17) | BITL(20) | BITL(24) | BITL(26) | \ - BITL(27) | BITL(30) | BITL(31) | \ - (0xFFFFEFFFull << 32)) - -#define SCTLR_EL1_UCI BITL(26) -#define SCTLR_EL1_E0E BITL(24) -#define SCTLR_EL1_SPAN BITL(23) -#define SCTLR_EL1_NTWE BITL(18) -#define SCTLR_EL1_NTWI BITL(16) -#define SCTLR_EL1_UCT BITL(15) -#define SCTLR_EL1_DZE BITL(14) -#define SCTLR_EL1_UMA BITL(9) -#define SCTLR_EL1_SED BITL(8) -#define SCTLR_EL1_ITD BITL(7) -#define SCTLR_EL1_CP15BEN BITL(5) -#define SCTLR_EL1_SA0 BITL(4) - -#define SCTLR_EL1_RES1 (BITL(11) | BITL(20) | BITL(22) | BITL(28) | BITL(29)) -#define SCTLR_EL1_RES0 (BITL(6) | BITL(10) | BITL(13) | BITL(17) | BITL(27) | BITL(30) | BITL(31) | (0xFFFFEFFFull << 32)) - - -// HCR Flags - -#define HCR_FWB BITL(46) -#define HCR_API BITL(41) -#define HCR_APK BITL(40) -#define HCR_TEA BITL(37) -#define HCR_TERR BITL(36) -#define HCR_TLOR BITL(35) -#define HCR_E2H BITL(34) -#define HCR_ID BITL(33) -#define HCR_CD BITL(32) -#define HCR_RW BITL(31) -#define HCR_TRVM BITL(30) -#define HCR_HCD BITL(29) -#define HCR_TDZ BITL(28) -#define HCR_TGE BITL(27) -#define HCR_TVM BITL(26) -#define HCR_TTLB BITL(25) -#define HCR_TPU BITL(24) -#define HCR_TPC BITL(23) -#define HCR_TSW BITL(22) -#define HCR_TAC BITL(21) -#define HCR_TIDCP BITL(20) -#define HCR_TSC BITL(19) -#define HCR_TID3 BITL(18) -#define HCR_TID2 BITL(17) -#define HCR_TID1 BITL(16) -#define HCR_TID0 BITL(15) -#define HCR_TWE BITL(14) -#define HCR_TWI BITL(13) -#define HCR_DC BITL(12) -#define HCR_BSU (3ull << 10) -#define HCR_BSU_IS BITL(10) -#define HCR_FB BITL(9) -#define HCR_VSE BITL(8) -#define HCR_VI BITL(7) -#define HCR_VF BITL(6) -#define HCR_AMO BITL(5) -#define HCR_IMO BITL(4) -#define HCR_FMO BITL(3) -#define HCR_PTW BITL(2) -#define HCR_SWI BITL(1) -#define HCR_VM BITL(0) - -#define HSTR_EL2_T(x) BITL(x) - -#define CPTR_EL2_TCPAC BITL(31) -#define CPTR_EL2_TTA BITL(20) -#define CPTR_EL2_TFP BITL(10) -#define CPTR_EL2_TZ BITL(8) -#define CPTR_EL2_RES1 0x000032FF - -#define MDCR_EL2_TPMS BITL(14) -#define MDCR_EL2_E2PB_MASK 3ull -#define MDCR_EL2_E2PB_SHIFT 12 -#define MDCR_EL2_TDRA BITL(11) -#define MDCR_EL2_TDOSA BITL(10) -#define MDCR_EL2_TDA BITL(9) -#define MDCR_EL2_TDE BITL(8) -#define MDCR_EL2_HPME BITL(7) -#define MDCR_EL2_TPM BITL(6) -#define MDCR_EL2_TPMCR BITL(5) -#define MDCR_EL2_HPMN_MASK 0x1Full - -#define MDSCR_MDE BITL(15) -#define MDSCR_SS BITL(0) - -// Common CNTHCTL_EL2 flags -#define CNTHCTL_EVNTI_MASK 0xFul -#define CNTHCTL_EVNTI_SHIFT 4 -#define CNTHCTL_EVNTDIR BITL(3) -#define CNTHCTL_EVNTEN BITL(2) -#define CNTHCTL_EL1PCEN BITL(1) -#define CNTHCTL_EL1PCTEN BITL(0) - -// PAR_EL1 -#define PAR_F BITL(0) -// Successful translation: -#define PAR_ATTR_SHIFT 56 -#define PAR_ATTR_MASK 0xFFul -#define PAR_PA_MASK MASK2L(51, 12) // bits 51-48 RES0 if not implemented -#define PAR_NS BITL(9) -#define PAR_SH_SHIFT 7 -#define PAR_SH_MASK 3ul -// Faulting translation: -#define PAR_S BITL(9) -#define PAR_PTW BITL(8) -#define PAR_FST_SHIFT 1 -#define PAR_FST_MASK 0x3Ful - -#define ENCODE_SYSREG_FIELDS_MOV(op0, op1, crn, crm, op2) (((op0) << 19) | ((op1) << 16) | ((crn) << 12) | ((crm) << 8) | ((op2) << 5)) -#define ENCODE_SYSREG_MOV(name) EVAL(ENCODE_SYSREG_FIELDS_MOV CAT(TUP_, name)) -#define MAKE_MSR(name, Rt) (0xD5000000 | ENCODE_SYSREG_MOV(name) | ((Rt) & 0x1F)) -#define MAKE_MRS(name, Rt) (0xD5200000 | ENCODE_SYSREG_MOV(name) | ((Rt) & 0x1F)) - -#define MAKE_MSR_FROM_FIELDS(op0, op1, crn, crm, op2, Rt) (0xD5000000 | ENCODE_SYSREG_FIELDS_MOV(op0, op1, crn, crm, op2) | ((Rt) & 0x1F)) -#define MAKE_MRS_FROM_FIELDS(op0, op1, crn, crm, op2, Rt) (0xD5200000 | ENCODE_SYSREG_FIELDS_MOV(op0, op1, crn, crm, op2) | ((Rt) & 0x1F)) - -#define ENCODE_SYSREG_FIELDS_ISS(op0, op1, crn, crm, op2) (((op0) << 20) | ((op2) << 17) | ((op1) << 14) | ((crn) << 10) | ((crm) << 1)) -#define ENCODE_SYSREG_ISS(name) EVAL(ENCODE_SYSREG_FIELDS_ISS CAT(TUP_, name)) - -#define GET_SYSREG(r) ({\ - u64 __val; \ - __asm__ __volatile__("mrs %0, " STRINGIZE(r) : "=r" (__val) :: "memory"); \ - __val; \ -}) - -#define SET_SYSREG(reg, val) do { u64 temp_reg = (val); __asm__ __volatile__ ("msr " STRINGIZE(reg) ", %0" :: "r"(temp_reg) : "memory"); } while(false) -#define SET_SYSREG_IMM(reg, imm) do { __asm__ __volatile__ ("msr " STRINGIZE(reg) ", %0" :: "I"(imm) : "memory"); } while(false) - -#define SYSREG_OP1_AARCH32_AUTO 0 -#define SYSREG_OP1_AARCH64_EL1 0 -#define SYSREG_OP1_CACHE 1 -#define SYSREG_OP1_CACHESZSEL 2 -#define SYSREG_OP1_EL0 3 -#define SYSREG_OP1_EL2 4 -#define SYSREG_OP1_EL3 6 -#define SYSREG_OP1_AARCH32_JZL 7 -#define SYSREG_OP1_AARCH64_SEL1 7 - -#define PSTATE_SS BITL(21)