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-rw-r--r--pkg/sentry/platform/ring0/BUILD33
-rw-r--r--pkg/sentry/platform/ring0/aarch64.go109
-rw-r--r--pkg/sentry/platform/ring0/defs.go11
-rw-r--r--pkg/sentry/platform/ring0/defs_amd64.go11
-rw-r--r--pkg/sentry/platform/ring0/defs_arm64.go133
-rw-r--r--pkg/sentry/platform/ring0/entry_arm64.go60
-rw-r--r--pkg/sentry/platform/ring0/entry_arm64.s565
-rw-r--r--pkg/sentry/platform/ring0/kernel_arm64.go58
-rw-r--r--pkg/sentry/platform/ring0/lib_arm64.go25
-rw-r--r--pkg/sentry/platform/ring0/offsets_arm64.go124
10 files changed, 1105 insertions, 24 deletions
diff --git a/pkg/sentry/platform/ring0/BUILD b/pkg/sentry/platform/ring0/BUILD
index 8ed6c7652..939a0033a 100644
--- a/pkg/sentry/platform/ring0/BUILD
+++ b/pkg/sentry/platform/ring0/BUILD
@@ -1,17 +1,16 @@
load("//tools/go_stateify:defs.bzl", "go_library")
+load("//tools/go_generics:defs.bzl", "go_template", "go_template_instance")
package(licenses = ["notice"])
-load("//tools/go_generics:defs.bzl", "go_template", "go_template_instance")
-
go_template(
name = "defs",
- srcs = [
- "defs.go",
- "defs_amd64.go",
- "offsets_amd64.go",
- "x86.go",
- ],
+ srcs = select(
+ {
+ "@bazel_tools//src/conditions:linux_aarch64": ["defs.go", "defs_arm64.go", "offsets_arm64.go", "aarch64.go",],
+ "//conditions:default": ["defs.go", "defs_amd64.go", "offsets_amd64.go", "x86.go",],
+ },
+ ),
visibility = [":__subpackages__"],
)
@@ -23,10 +22,15 @@ go_template_instance(
)
genrule(
- name = "entry_impl_amd64",
- srcs = ["entry_amd64.s"],
- outs = ["entry_impl_amd64.s"],
- cmd = "(echo -e '// build +amd64\\n' && $(location //pkg/sentry/platform/ring0/gen_offsets) && cat $(SRCS)) > $@",
+ name = "entry_impl",
+ srcs = ["entry_amd64.s", "entry_arm64.s"],
+ outs = ["entry_impl.s"],
+ cmd = select(
+ {
+ "@bazel_tools//src/conditions:linux_aarch64": "(echo -e '// build +arm64\\n' && $(location //pkg/sentry/platform/ring0/gen_offsets) && cat $(location entry_arm64.s)) > $@",
+ "//conditions:default": "(echo -e '// build +amd64\\n' && $(location //pkg/sentry/platform/ring0/gen_offsets) && cat $(location entry_amd64.s)) > $@",
+ },
+ ),
tools = ["//pkg/sentry/platform/ring0/gen_offsets"],
)
@@ -35,12 +39,15 @@ go_library(
srcs = [
"defs_impl.go",
"entry_amd64.go",
- "entry_impl_amd64.s",
+ "entry_arm64.go",
+ "entry_impl.s",
"kernel.go",
"kernel_amd64.go",
+ "kernel_arm64.go",
"kernel_unsafe.go",
"lib_amd64.go",
"lib_amd64.s",
+ "lib_arm64.go",
"ring0.go",
],
importpath = "gvisor.dev/gvisor/pkg/sentry/platform/ring0",
diff --git a/pkg/sentry/platform/ring0/aarch64.go b/pkg/sentry/platform/ring0/aarch64.go
new file mode 100644
index 000000000..6b078cd1e
--- /dev/null
+++ b/pkg/sentry/platform/ring0/aarch64.go
@@ -0,0 +1,109 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build arm64
+
+package ring0
+
+// Useful bits.
+const (
+ _PGD_PGT_BASE = 0x1000
+ _PGD_PGT_SIZE = 0x1000
+ _PUD_PGT_BASE = 0x2000
+ _PUD_PGT_SIZE = 0x1000
+ _PMD_PGT_BASE = 0x3000
+ _PMD_PGT_SIZE = 0x4000
+ _PTE_PGT_BASE = 0x7000
+ _PTE_PGT_SIZE = 0x1000
+
+ _PSR_MODE_EL0t = 0x0
+ _PSR_MODE_EL1t = 0x4
+ _PSR_MODE_EL1h = 0x5
+ _PSR_EL_MASK = 0xf
+
+ _PSR_D_BIT = 0x200
+ _PSR_A_BIT = 0x100
+ _PSR_I_BIT = 0x80
+ _PSR_F_BIT = 0x40
+)
+
+const (
+ // KernelFlagsSet should always be set in the kernel.
+ KernelFlagsSet = _PSR_MODE_EL1h
+
+ // UserFlagsSet are always set in userspace.
+ UserFlagsSet = _PSR_MODE_EL0t
+
+ KernelFlagsClear = _PSR_EL_MASK
+ UserFlagsClear = _PSR_EL_MASK
+
+ PsrDefaultSet = _PSR_D_BIT | _PSR_A_BIT | _PSR_I_BIT | _PSR_F_BIT
+)
+
+// Vector is an exception vector.
+type Vector uintptr
+
+// Exception vectors.
+const (
+ El1SyncInvalid = iota
+ El1IrqInvalid
+ El1FiqInvalid
+ El1ErrorInvalid
+ El1Sync
+ El1Irq
+ El1Fiq
+ El1Error
+ El0Sync
+ El0Irq
+ El0Fiq
+ El0Error
+ El0Sync_invalid
+ El0Irq_invalid
+ El0Fiq_invalid
+ El0Error_invalid
+ El1Sync_da
+ El1Sync_ia
+ El1Sync_sp_pc
+ El1Sync_undef
+ El1Sync_dbg
+ El1Sync_inv
+ El0Sync_svc
+ El0Sync_da
+ El0Sync_ia
+ El0Sync_fpsimd_acc
+ El0Sync_sve_acc
+ El0Sync_sys
+ El0Sync_sp_pc
+ El0Sync_undef
+ El0Sync_dbg
+ El0Sync_inv
+ VirtualizationException
+ _NR_INTERRUPTS
+)
+
+// System call vectors.
+const (
+ Syscall Vector = El0Sync_svc
+ PageFault Vector = El0Sync_da
+)
+
+// VirtualAddressBits returns the number bits available for virtual addresses.
+func VirtualAddressBits() uint32 {
+ return 48
+}
+
+// PhysicalAddressBits returns the number of bits available for physical addresses.
+func PhysicalAddressBits() uint32 {
+ return 40
+}
diff --git a/pkg/sentry/platform/ring0/defs.go b/pkg/sentry/platform/ring0/defs.go
index 076063f85..3f094c2a7 100644
--- a/pkg/sentry/platform/ring0/defs.go
+++ b/pkg/sentry/platform/ring0/defs.go
@@ -20,17 +20,6 @@ import (
"gvisor.dev/gvisor/pkg/sentry/usermem"
)
-var (
- // UserspaceSize is the total size of userspace.
- UserspaceSize = uintptr(1) << (VirtualAddressBits() - 1)
-
- // MaximumUserAddress is the largest possible user address.
- MaximumUserAddress = (UserspaceSize - 1) & ^uintptr(usermem.PageSize-1)
-
- // KernelStartAddress is the starting kernel address.
- KernelStartAddress = ^uintptr(0) - (UserspaceSize - 1)
-)
-
// Kernel is a global kernel object.
//
// This contains global state, shared by multiple CPUs.
diff --git a/pkg/sentry/platform/ring0/defs_amd64.go b/pkg/sentry/platform/ring0/defs_amd64.go
index 7206322b1..10dbd381f 100644
--- a/pkg/sentry/platform/ring0/defs_amd64.go
+++ b/pkg/sentry/platform/ring0/defs_amd64.go
@@ -20,6 +20,17 @@ import (
"gvisor.dev/gvisor/pkg/sentry/platform/ring0/pagetables"
)
+var (
+ // UserspaceSize is the total size of userspace.
+ UserspaceSize = uintptr(1) << (VirtualAddressBits() - 1)
+
+ // MaximumUserAddress is the largest possible user address.
+ MaximumUserAddress = (UserspaceSize - 1) & ^uintptr(usermem.PageSize-1)
+
+ // KernelStartAddress is the starting kernel address.
+ KernelStartAddress = ^uintptr(0) - (UserspaceSize - 1)
+)
+
// Segment indices and Selectors.
const (
// Index into GDT array.
diff --git a/pkg/sentry/platform/ring0/defs_arm64.go b/pkg/sentry/platform/ring0/defs_arm64.go
new file mode 100644
index 000000000..fbfbd9bab
--- /dev/null
+++ b/pkg/sentry/platform/ring0/defs_arm64.go
@@ -0,0 +1,133 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build arm64
+
+package ring0
+
+import (
+ "gvisor.dev/gvisor/pkg/sentry/platform/ring0/pagetables"
+)
+
+var (
+ // UserspaceSize is the total size of userspace.
+ UserspaceSize = uintptr(1) << (VirtualAddressBits())
+
+ // MaximumUserAddress is the largest possible user address.
+ MaximumUserAddress = (UserspaceSize - 1) & ^uintptr(usermem.PageSize-1)
+
+ // KernelStartAddress is the starting kernel address.
+ KernelStartAddress = ^uintptr(0) - (UserspaceSize - 1)
+)
+
+// KernelOpts has initialization options for the kernel.
+type KernelOpts struct {
+ // PageTables are the kernel pagetables; this must be provided.
+ PageTables *pagetables.PageTables
+}
+
+// KernelArchState contains architecture-specific state.
+type KernelArchState struct {
+ KernelOpts
+}
+
+// CPUArchState contains CPU-specific arch state.
+type CPUArchState struct {
+ // stack is the stack used for interrupts on this CPU.
+ stack [512]byte
+
+ // errorCode is the error code from the last exception.
+ errorCode uintptr
+
+ // errorType indicates the type of error code here, it is always set
+ // along with the errorCode value above.
+ //
+ // It will either by 1, which indicates a user error, or 0 indicating a
+ // kernel error. If the error code below returns false (kernel error),
+ // then it cannot provide relevant information about the last
+ // exception.
+ errorType uintptr
+
+ // faultAddr is the value of far_el1.
+ faultAddr uintptr
+
+ // ttbr0Kvm is the value of ttbr0_el1 for sentry.
+ ttbr0Kvm uintptr
+
+ // ttbr0App is the value of ttbr0_el1 for applicaton.
+ ttbr0App uintptr
+
+ // exception vector.
+ vecCode Vector
+
+ // application context pointer.
+ appAddr uintptr
+}
+
+// ErrorCode returns the last error code.
+//
+// The returned boolean indicates whether the error code corresponds to the
+// last user error or not. If it does not, then fault information must be
+// ignored. This is generally the result of a kernel fault while servicing a
+// user fault.
+//
+//go:nosplit
+func (c *CPU) ErrorCode() (value uintptr, user bool) {
+ return c.errorCode, c.errorType != 0
+}
+
+// ClearErrorCode resets the error code.
+//
+//go:nosplit
+func (c *CPU) ClearErrorCode() {
+ c.errorCode = 0 // No code.
+ c.errorType = 1 // User mode.
+}
+
+//go:nosplit
+func (c *CPU) GetFaultAddr() (value uintptr) {
+ return c.faultAddr
+}
+
+//go:nosplit
+func (c *CPU) SetTtbr0Kvm(value uintptr) {
+ c.ttbr0Kvm = value
+}
+
+//go:nosplit
+func (c *CPU) SetTtbr0App(value uintptr) {
+ c.ttbr0App = value
+}
+
+//go:nosplit
+func (c *CPU) GetVector() (value Vector) {
+ return c.vecCode
+}
+
+//go:nosplit
+func (c *CPU) SetAppAddr(value uintptr) {
+ c.appAddr = value
+}
+
+// SwitchArchOpts are embedded in SwitchOpts.
+type SwitchArchOpts struct {
+ // UserASID indicates that the application ASID to be used on switch,
+ UserASID uint16
+
+ // KernelASID indicates that the kernel ASID to be used on return,
+ KernelASID uint16
+}
+
+func init() {
+}
diff --git a/pkg/sentry/platform/ring0/entry_arm64.go b/pkg/sentry/platform/ring0/entry_arm64.go
new file mode 100644
index 000000000..0dfa42c36
--- /dev/null
+++ b/pkg/sentry/platform/ring0/entry_arm64.go
@@ -0,0 +1,60 @@
+// Copyright 2019 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build arm64
+
+package ring0
+
+// This is an assembly function.
+//
+// The sysenter function is invoked in two situations:
+//
+// (1) The guest kernel has executed a system call.
+// (2) The guest application has executed a system call.
+//
+// The interrupt flag is examined to determine whether the system call was
+// executed from kernel mode or not and the appropriate stub is called.
+
+func El1_sync_invalid()
+func El1_irq_invalid()
+func El1_fiq_invalid()
+func El1_error_invalid()
+
+func El1_sync()
+func El1_irq()
+func El1_fiq()
+func El1_error()
+
+func El0_sync()
+func El0_irq()
+func El0_fiq()
+func El0_error()
+
+func El0_sync_invalid()
+func El0_irq_invalid()
+func El0_fiq_invalid()
+func El0_error_invalid()
+
+func Vectors()
+
+// Start is the CPU entrypoint.
+//
+// The CPU state will be set to c.Registers().
+func Start()
+func kernelExitToEl1()
+
+func kernelExitToEl0()
+
+// Shutdown execution
+func Shutdown()
diff --git a/pkg/sentry/platform/ring0/entry_arm64.s b/pkg/sentry/platform/ring0/entry_arm64.s
new file mode 100644
index 000000000..29c475882
--- /dev/null
+++ b/pkg/sentry/platform/ring0/entry_arm64.s
@@ -0,0 +1,565 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "funcdata.h"
+#include "textflag.h"
+
+// NB: Offsets are programatically generated (see BUILD).
+//
+// This file is concatenated with the definitions.
+
+// Saves a register set.
+//
+// This is a macro because it may need to executed in contents where a stack is
+// not available for calls.
+//
+
+#define ERET() \
+ WORD $0xd69f03e0
+
+#define RSV_REG R18_PLATFORM
+#define RSV_REG_APP R9
+
+#define REGISTERS_SAVE(reg, offset) \
+ MOVD R0, offset+PTRACE_R0(reg); \
+ MOVD R1, offset+PTRACE_R1(reg); \
+ MOVD R2, offset+PTRACE_R2(reg); \
+ MOVD R3, offset+PTRACE_R3(reg); \
+ MOVD R4, offset+PTRACE_R4(reg); \
+ MOVD R5, offset+PTRACE_R5(reg); \
+ MOVD R6, offset+PTRACE_R6(reg); \
+ MOVD R7, offset+PTRACE_R7(reg); \
+ MOVD R8, offset+PTRACE_R8(reg); \
+ MOVD R10, offset+PTRACE_R10(reg); \
+ MOVD R11, offset+PTRACE_R11(reg); \
+ MOVD R12, offset+PTRACE_R12(reg); \
+ MOVD R13, offset+PTRACE_R13(reg); \
+ MOVD R14, offset+PTRACE_R14(reg); \
+ MOVD R15, offset+PTRACE_R15(reg); \
+ MOVD R16, offset+PTRACE_R16(reg); \
+ MOVD R17, offset+PTRACE_R17(reg); \
+ MOVD R19, offset+PTRACE_R19(reg); \
+ MOVD R20, offset+PTRACE_R20(reg); \
+ MOVD R21, offset+PTRACE_R21(reg); \
+ MOVD R22, offset+PTRACE_R22(reg); \
+ MOVD R23, offset+PTRACE_R23(reg); \
+ MOVD R24, offset+PTRACE_R24(reg); \
+ MOVD R25, offset+PTRACE_R25(reg); \
+ MOVD R26, offset+PTRACE_R26(reg); \
+ MOVD R27, offset+PTRACE_R27(reg); \
+ MOVD g, offset+PTRACE_R28(reg); \
+ MOVD R29, offset+PTRACE_R29(reg); \
+ MOVD R30, offset+PTRACE_R30(reg);
+
+#define REGISTERS_LOAD(reg, offset) \
+ MOVD offset+PTRACE_R0(reg), R0; \
+ MOVD offset+PTRACE_R1(reg), R1; \
+ MOVD offset+PTRACE_R2(reg), R2; \
+ MOVD offset+PTRACE_R3(reg), R3; \
+ MOVD offset+PTRACE_R4(reg), R4; \
+ MOVD offset+PTRACE_R5(reg), R5; \
+ MOVD offset+PTRACE_R6(reg), R6; \
+ MOVD offset+PTRACE_R7(reg), R7; \
+ MOVD offset+PTRACE_R8(reg), R8; \
+ MOVD offset+PTRACE_R10(reg), R10; \
+ MOVD offset+PTRACE_R11(reg), R11; \
+ MOVD offset+PTRACE_R12(reg), R12; \
+ MOVD offset+PTRACE_R13(reg), R13; \
+ MOVD offset+PTRACE_R14(reg), R14; \
+ MOVD offset+PTRACE_R15(reg), R15; \
+ MOVD offset+PTRACE_R16(reg), R16; \
+ MOVD offset+PTRACE_R17(reg), R17; \
+ MOVD offset+PTRACE_R19(reg), R19; \
+ MOVD offset+PTRACE_R20(reg), R20; \
+ MOVD offset+PTRACE_R21(reg), R21; \
+ MOVD offset+PTRACE_R22(reg), R22; \
+ MOVD offset+PTRACE_R23(reg), R23; \
+ MOVD offset+PTRACE_R24(reg), R24; \
+ MOVD offset+PTRACE_R25(reg), R25; \
+ MOVD offset+PTRACE_R26(reg), R26; \
+ MOVD offset+PTRACE_R27(reg), R27; \
+ MOVD offset+PTRACE_R28(reg), g; \
+ MOVD offset+PTRACE_R29(reg), R29; \
+ MOVD offset+PTRACE_R30(reg), R30;
+
+//NOP
+#define nop31Instructions() \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f; \
+ WORD $0xd503201f;
+
+#define ESR_ELx_EC_UNKNOWN (0x00)
+#define ESR_ELx_EC_WFx (0x01)
+/* Unallocated EC: 0x02 */
+#define ESR_ELx_EC_CP15_32 (0x03)
+#define ESR_ELx_EC_CP15_64 (0x04)
+#define ESR_ELx_EC_CP14_MR (0x05)
+#define ESR_ELx_EC_CP14_LS (0x06)
+#define ESR_ELx_EC_FP_ASIMD (0x07)
+#define ESR_ELx_EC_CP10_ID (0x08) /* EL2 only */
+#define ESR_ELx_EC_PAC (0x09) /* EL2 and above */
+/* Unallocated EC: 0x0A - 0x0B */
+#define ESR_ELx_EC_CP14_64 (0x0C)
+/* Unallocated EC: 0x0d */
+#define ESR_ELx_EC_ILL (0x0E)
+/* Unallocated EC: 0x0F - 0x10 */
+#define ESR_ELx_EC_SVC32 (0x11)
+#define ESR_ELx_EC_HVC32 (0x12) /* EL2 only */
+#define ESR_ELx_EC_SMC32 (0x13) /* EL2 and above */
+/* Unallocated EC: 0x14 */
+#define ESR_ELx_EC_SVC64 (0x15)
+#define ESR_ELx_EC_HVC64 (0x16) /* EL2 and above */
+#define ESR_ELx_EC_SMC64 (0x17) /* EL2 and above */
+#define ESR_ELx_EC_SYS64 (0x18)
+#define ESR_ELx_EC_SVE (0x19)
+/* Unallocated EC: 0x1A - 0x1E */
+#define ESR_ELx_EC_IMP_DEF (0x1f) /* EL3 only */
+#define ESR_ELx_EC_IABT_LOW (0x20)
+#define ESR_ELx_EC_IABT_CUR (0x21)
+#define ESR_ELx_EC_PC_ALIGN (0x22)
+/* Unallocated EC: 0x23 */
+#define ESR_ELx_EC_DABT_LOW (0x24)
+#define ESR_ELx_EC_DABT_CUR (0x25)
+#define ESR_ELx_EC_SP_ALIGN (0x26)
+/* Unallocated EC: 0x27 */
+#define ESR_ELx_EC_FP_EXC32 (0x28)
+/* Unallocated EC: 0x29 - 0x2B */
+#define ESR_ELx_EC_FP_EXC64 (0x2C)
+/* Unallocated EC: 0x2D - 0x2E */
+#define ESR_ELx_EC_SERROR (0x2F)
+#define ESR_ELx_EC_BREAKPT_LOW (0x30)
+#define ESR_ELx_EC_BREAKPT_CUR (0x31)
+#define ESR_ELx_EC_SOFTSTP_LOW (0x32)
+#define ESR_ELx_EC_SOFTSTP_CUR (0x33)
+#define ESR_ELx_EC_WATCHPT_LOW (0x34)
+#define ESR_ELx_EC_WATCHPT_CUR (0x35)
+/* Unallocated EC: 0x36 - 0x37 */
+#define ESR_ELx_EC_BKPT32 (0x38)
+/* Unallocated EC: 0x39 */
+#define ESR_ELx_EC_VECTOR32 (0x3A) /* EL2 only */
+/* Unallocted EC: 0x3B */
+#define ESR_ELx_EC_BRK64 (0x3C)
+/* Unallocated EC: 0x3D - 0x3F */
+#define ESR_ELx_EC_MAX (0x3F)
+
+#define ESR_ELx_EC_SHIFT (26)
+#define ESR_ELx_EC_MASK (UL(0x3F) << ESR_ELx_EC_SHIFT)
+#define ESR_ELx_EC(esr) (((esr) & ESR_ELx_EC_MASK) >> ESR_ELx_EC_SHIFT)
+
+#define ESR_ELx_IL_SHIFT (25)
+#define ESR_ELx_IL (UL(1) << ESR_ELx_IL_SHIFT)
+#define ESR_ELx_ISS_MASK (ESR_ELx_IL - 1)
+
+/* ISS field definitions shared by different classes */
+#define ESR_ELx_WNR_SHIFT (6)
+#define ESR_ELx_WNR (UL(1) << ESR_ELx_WNR_SHIFT)
+
+/* Asynchronous Error Type */
+#define ESR_ELx_IDS_SHIFT (24)
+#define ESR_ELx_IDS (UL(1) << ESR_ELx_IDS_SHIFT)
+#define ESR_ELx_AET_SHIFT (10)
+#define ESR_ELx_AET (UL(0x7) << ESR_ELx_AET_SHIFT)
+
+#define ESR_ELx_AET_UC (UL(0) << ESR_ELx_AET_SHIFT)
+#define ESR_ELx_AET_UEU (UL(1) << ESR_ELx_AET_SHIFT)
+#define ESR_ELx_AET_UEO (UL(2) << ESR_ELx_AET_SHIFT)
+#define ESR_ELx_AET_UER (UL(3) << ESR_ELx_AET_SHIFT)
+#define ESR_ELx_AET_CE (UL(6) << ESR_ELx_AET_SHIFT)
+
+/* Shared ISS field definitions for Data/Instruction aborts */
+#define ESR_ELx_SET_SHIFT (11)
+#define ESR_ELx_SET_MASK (UL(3) << ESR_ELx_SET_SHIFT)
+#define ESR_ELx_FnV_SHIFT (10)
+#define ESR_ELx_FnV (UL(1) << ESR_ELx_FnV_SHIFT)
+#define ESR_ELx_EA_SHIFT (9)
+#define ESR_ELx_EA (UL(1) << ESR_ELx_EA_SHIFT)
+#define ESR_ELx_S1PTW_SHIFT (7)
+#define ESR_ELx_S1PTW (UL(1) << ESR_ELx_S1PTW_SHIFT)
+
+/* Shared ISS fault status code(IFSC/DFSC) for Data/Instruction aborts */
+#define ESR_ELx_FSC (0x3F)
+#define ESR_ELx_FSC_TYPE (0x3C)
+#define ESR_ELx_FSC_EXTABT (0x10)
+#define ESR_ELx_FSC_SERROR (0x11)
+#define ESR_ELx_FSC_ACCESS (0x08)
+#define ESR_ELx_FSC_FAULT (0x04)
+#define ESR_ELx_FSC_PERM (0x0C)
+
+/* ISS field definitions for Data Aborts */
+#define ESR_ELx_ISV_SHIFT (24)
+#define ESR_ELx_ISV (UL(1) << ESR_ELx_ISV_SHIFT)
+#define ESR_ELx_SAS_SHIFT (22)
+#define ESR_ELx_SAS (UL(3) << ESR_ELx_SAS_SHIFT)
+#define ESR_ELx_SSE_SHIFT (21)
+#define ESR_ELx_SSE (UL(1) << ESR_ELx_SSE_SHIFT)
+#define ESR_ELx_SRT_SHIFT (16)
+#define ESR_ELx_SRT_MASK (UL(0x1F) << ESR_ELx_SRT_SHIFT)
+#define ESR_ELx_SF_SHIFT (15)
+#define ESR_ELx_SF (UL(1) << ESR_ELx_SF_SHIFT)
+#define ESR_ELx_AR_SHIFT (14)
+#define ESR_ELx_AR (UL(1) << ESR_ELx_AR_SHIFT)
+#define ESR_ELx_CM_SHIFT (8)
+#define ESR_ELx_CM (UL(1) << ESR_ELx_CM_SHIFT)
+
+/* ISS field definitions for exceptions taken in to Hyp */
+#define ESR_ELx_CV (UL(1) << 24)
+#define ESR_ELx_COND_SHIFT (20)
+#define ESR_ELx_COND_MASK (UL(0xF) << ESR_ELx_COND_SHIFT)
+#define ESR_ELx_WFx_ISS_TI (UL(1) << 0)
+#define ESR_ELx_WFx_ISS_WFI (UL(0) << 0)
+#define ESR_ELx_WFx_ISS_WFE (UL(1) << 0)
+#define ESR_ELx_xVC_IMM_MASK ((1UL << 16) - 1)
+
+#define LOAD_KERNEL_ADDRESS(from, to) \
+ MOVD from, to; \
+ ORR $0xffff000000000000, to, to;
+
+// LOAD_KERNEL_STACK loads the kernel temporary stack.
+#define LOAD_KERNEL_STACK(from) \
+ LOAD_KERNEL_ADDRESS(CPU_SELF(from), RSV_REG); \
+ MOVD $CPU_STACK_TOP(RSV_REG), RSV_REG; \
+ MOVD RSV_REG, RSP; \
+ ISB $15; \
+ DSB $15;
+
+#define SWITCH_TO_APP_PAGETABLE(from) \
+ MOVD CPU_TTBR0_APP(from), RSV_REG; \
+ WORD $0xd5182012; \ // MSR R18, TTBR0_EL1
+ ISB $15; \
+ DSB $15;
+
+#define SWITCH_TO_KVM_PAGETABLE(from) \
+ MOVD CPU_TTBR0_KVM(from), RSV_REG; \
+ WORD $0xd5182012; \ // MSR R18, TTBR0_EL1
+ ISB $15; \
+ DSB $15;
+
+#define IRQ_ENABLE \
+ MSR $2, DAIFSet;
+
+#define IRQ_DISABLE \
+ MSR $2, DAIFClr;
+
+#define KERNEL_ENTRY_FROM_EL0 \
+ SUB $16, RSP, RSP; \ // step1, save r18, r9 into kernel temporary stack.
+ STP (RSV_REG, RSV_REG_APP), 16*0(RSP); \
+ WORD $0xd538d092; \ //MRS TPIDR_EL1, R18, step2, switch user pagetable.
+ SWITCH_TO_KVM_PAGETABLE(RSV_REG); \
+ WORD $0xd538d092; \ //MRS TPIDR_EL1, R18
+ MOVD CPU_APP_ADDR(RSV_REG), RSV_REG_APP; \ // step3, load app context pointer.
+ REGISTERS_SAVE(RSV_REG_APP, 0); \ // step4, save app context.
+ MOVD RSV_REG_APP, R20; \
+ LDP 16*0(RSP), (RSV_REG, RSV_REG_APP); \
+ ADD $16, RSP, RSP; \
+ MOVD RSV_REG, PTRACE_R18(R20); \
+ MOVD RSV_REG_APP, PTRACE_R9(R20); \
+ MOVD R20, RSV_REG_APP; \
+ WORD $0xd5384003; \ // MRS SPSR_EL1, R3
+ MOVD R3, PTRACE_PSTATE(RSV_REG_APP); \
+ MRS ELR_EL1, R3; \
+ MOVD R3, PTRACE_PC(RSV_REG_APP); \
+ WORD $0xd5384103; \ // MRS SP_EL0, R3
+ MOVD R3, PTRACE_SP(RSV_REG_APP);
+
+#define KERNEL_ENTRY_FROM_EL1 \
+ WORD $0xd538d092; \ //MRS TPIDR_EL1, R18
+ REGISTERS_SAVE(RSV_REG, CPU_REGISTERS); \ // save sentry context
+ MOVD RSV_REG_APP, CPU_REGISTERS+PTRACE_R9(RSV_REG); \
+ WORD $0xd5384004; \ // MRS SPSR_EL1, R4
+ MOVD R4, CPU_REGISTERS+PTRACE_PSTATE(RSV_REG); \
+ MRS ELR_EL1, R4; \
+ MOVD R4, CPU_REGISTERS+PTRACE_PC(RSV_REG); \
+ MOVD RSP, R4; \
+ MOVD R4, CPU_REGISTERS+PTRACE_SP(RSV_REG);
+
+TEXT ·Halt(SB),NOSPLIT,$0
+ // clear bluepill.
+ WORD $0xd538d092 //MRS TPIDR_EL1, R18
+ CMP RSV_REG, R9
+ BNE mmio_exit
+ MOVD $0, CPU_REGISTERS+PTRACE_R9(RSV_REG)
+mmio_exit:
+ // MMIO_EXIT.
+ MOVD $0, R9
+ MOVD R0, 0xffff000000001000(R9)
+ B ·kernelExitToEl1(SB)
+
+TEXT ·Shutdown(SB),NOSPLIT,$0
+ // PSCI EVENT.
+ MOVD $0x84000009, R0
+ HVC $0
+
+// See kernel.go.
+TEXT ·Current(SB),NOSPLIT,$0-8
+ MOVD CPU_SELF(RSV_REG), R8
+ MOVD R8, ret+0(FP)
+ RET
+
+#define STACK_FRAME_SIZE 16
+
+TEXT ·kernelExitToEl0(SB),NOSPLIT,$0
+ ERET()
+
+TEXT ·kernelExitToEl1(SB),NOSPLIT,$0
+ ERET()
+
+TEXT ·Start(SB),NOSPLIT,$0
+ IRQ_DISABLE
+ MOVD R8, RSV_REG
+ ORR $0xffff000000000000, RSV_REG, RSV_REG
+ WORD $0xd518d092 //MSR R18, TPIDR_EL1
+
+ B ·kernelExitToEl1(SB)
+
+TEXT ·El1_sync_invalid(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El1_irq_invalid(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El1_fiq_invalid(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El1_error_invalid(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El1_sync(SB),NOSPLIT,$0
+ KERNEL_ENTRY_FROM_EL1
+ WORD $0xd5385219 // MRS ESR_EL1, R25
+ LSR $ESR_ELx_EC_SHIFT, R25, R24
+ CMP $ESR_ELx_EC_DABT_CUR, R24
+ BEQ el1_da
+ CMP $ESR_ELx_EC_IABT_CUR, R24
+ BEQ el1_ia
+ CMP $ESR_ELx_EC_SYS64, R24
+ BEQ el1_undef
+ CMP $ESR_ELx_EC_SP_ALIGN, R24
+ BEQ el1_sp_pc
+ CMP $ESR_ELx_EC_PC_ALIGN, R24
+ BEQ el1_sp_pc
+ CMP $ESR_ELx_EC_UNKNOWN, R24
+ BEQ el1_undef
+ CMP $ESR_ELx_EC_SVC64, R24
+ BEQ el1_svc
+ CMP $ESR_ELx_EC_BREAKPT_CUR, R24
+ BGE el1_dbg
+ B el1_invalid
+
+el1_da:
+ B ·Halt(SB)
+
+el1_ia:
+ B ·Halt(SB)
+
+el1_sp_pc:
+ B ·Shutdown(SB)
+
+el1_undef:
+ B ·Shutdown(SB)
+
+el1_svc:
+ B ·Halt(SB)
+
+el1_dbg:
+ B ·Shutdown(SB)
+
+el1_invalid:
+ B ·Shutdown(SB)
+
+TEXT ·El1_irq(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El1_fiq(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El1_error(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El0_sync(SB),NOSPLIT,$0
+ KERNEL_ENTRY_FROM_EL0
+ WORD $0xd5385219 // MRS ESR_EL1, R25
+ LSR $ESR_ELx_EC_SHIFT, R25, R24
+ CMP $ESR_ELx_EC_SVC64, R24
+ BEQ el0_svc
+ CMP $ESR_ELx_EC_DABT_LOW, R24
+ BEQ el0_da
+ CMP $ESR_ELx_EC_IABT_LOW, R24
+ BEQ el0_ia
+ CMP $ESR_ELx_EC_FP_ASIMD, R24
+ BEQ el0_fpsimd_acc
+ CMP $ESR_ELx_EC_SVE, R24
+ BEQ el0_sve_acc
+ CMP $ESR_ELx_EC_FP_EXC64, R24
+ BEQ el0_fpsimd_exc
+ CMP $ESR_ELx_EC_SP_ALIGN, R24
+ BEQ el0_sp_pc
+ CMP $ESR_ELx_EC_PC_ALIGN, R24
+ BEQ el0_sp_pc
+ CMP $ESR_ELx_EC_UNKNOWN, R24
+ BEQ el0_undef
+ CMP $ESR_ELx_EC_BREAKPT_LOW, R24
+ BGE el0_dbg
+ B el0_invalid
+
+el0_svc:
+ B ·Halt(SB)
+
+el0_da:
+ B ·Halt(SB)
+
+el0_ia:
+ B ·Shutdown(SB)
+
+el0_fpsimd_acc:
+ B ·Shutdown(SB)
+
+el0_sve_acc:
+ B ·Shutdown(SB)
+
+el0_fpsimd_exc:
+ B ·Shutdown(SB)
+
+el0_sp_pc:
+ B ·Shutdown(SB)
+
+el0_undef:
+ B ·Shutdown(SB)
+
+el0_dbg:
+ B ·Shutdown(SB)
+
+el0_invalid:
+ B ·Shutdown(SB)
+
+TEXT ·El0_irq(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El0_fiq(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El0_error(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El0_sync_invalid(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El0_irq_invalid(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El0_fiq_invalid(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·El0_error_invalid(SB),NOSPLIT,$0
+ B ·Shutdown(SB)
+
+TEXT ·Vectors(SB),NOSPLIT,$0
+ B ·El1_sync_invalid(SB)
+ nop31Instructions()
+ B ·El1_irq_invalid(SB)
+ nop31Instructions()
+ B ·El1_fiq_invalid(SB)
+ nop31Instructions()
+ B ·El1_error_invalid(SB)
+ nop31Instructions()
+
+ B ·El1_sync(SB)
+ nop31Instructions()
+ B ·El1_irq(SB)
+ nop31Instructions()
+ B ·El1_fiq(SB)
+ nop31Instructions()
+ B ·El1_error(SB)
+ nop31Instructions()
+
+ B ·El0_sync(SB)
+ nop31Instructions()
+ B ·El0_irq(SB)
+ nop31Instructions()
+ B ·El0_fiq(SB)
+ nop31Instructions()
+ B ·El0_error(SB)
+ nop31Instructions()
+
+ B ·El0_sync_invalid(SB)
+ nop31Instructions()
+ B ·El0_irq_invalid(SB)
+ nop31Instructions()
+ B ·El0_fiq_invalid(SB)
+ nop31Instructions()
+ B ·El0_error_invalid(SB)
+ nop31Instructions()
+
+ WORD $0xd503201f //nop
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
+ WORD $0xd503201f
+ nop31Instructions()
diff --git a/pkg/sentry/platform/ring0/kernel_arm64.go b/pkg/sentry/platform/ring0/kernel_arm64.go
new file mode 100644
index 000000000..ed82a131e
--- /dev/null
+++ b/pkg/sentry/platform/ring0/kernel_arm64.go
@@ -0,0 +1,58 @@
+// Copyright 2019 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build arm64
+
+package ring0
+
+// init initializes architecture-specific state.
+func (k *Kernel) init(opts KernelOpts) {
+ // Save the root page tables.
+ k.PageTables = opts.PageTables
+}
+
+// init initializes architecture-specific state.
+func (c *CPU) init() {
+ // Set the kernel stack pointer(virtual address).
+ c.registers.Sp = uint64(c.StackTop())
+
+}
+
+// StackTop returns the kernel's stack address.
+//
+//go:nosplit
+func (c *CPU) StackTop() uint64 {
+ return uint64(kernelAddr(&c.stack[0])) + uint64(len(c.stack))
+}
+
+// IsCanonical indicates whether addr is canonical per the arm64 spec.
+//
+//go:nosplit
+func IsCanonical(addr uint64) bool {
+ return addr <= 0x0000ffffffffffff || addr > 0xffff000000000000
+}
+
+//go:nosplit
+func (c *CPU) SwitchToUser(switchOpts SwitchOpts) (vector Vector) {
+ // Sanitize registers.
+ regs := switchOpts.Registers
+
+ regs.Pstate &= ^uint64(UserFlagsClear)
+ regs.Pstate |= UserFlagsSet
+ kernelExitToEl0()
+ vector = c.vecCode
+
+ // Perform the switch.
+ return
+}
diff --git a/pkg/sentry/platform/ring0/lib_arm64.go b/pkg/sentry/platform/ring0/lib_arm64.go
new file mode 100644
index 000000000..900ee6380
--- /dev/null
+++ b/pkg/sentry/platform/ring0/lib_arm64.go
@@ -0,0 +1,25 @@
+// Copyright 2019 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build arm64
+
+package ring0
+
+// LoadFloatingPoint loads floating point state by the most efficient mechanism
+// available (set by Init).
+var LoadFloatingPoint func(*byte)
+
+// SaveFloatingPoint saves floating point state by the most efficient mechanism
+// available (set by Init).
+var SaveFloatingPoint func(*byte)
diff --git a/pkg/sentry/platform/ring0/offsets_arm64.go b/pkg/sentry/platform/ring0/offsets_arm64.go
new file mode 100644
index 000000000..d7aa1c7cc
--- /dev/null
+++ b/pkg/sentry/platform/ring0/offsets_arm64.go
@@ -0,0 +1,124 @@
+// Copyright 2019 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build arm64
+
+package ring0
+
+import (
+ "fmt"
+ "io"
+ "reflect"
+ "syscall"
+)
+
+// Emit prints architecture-specific offsets.
+func Emit(w io.Writer) {
+ fmt.Fprintf(w, "// Automatically generated, do not edit.\n")
+
+ c := &CPU{}
+ fmt.Fprintf(w, "\n// CPU offsets.\n")
+ fmt.Fprintf(w, "#define CPU_SELF 0x%02x\n", reflect.ValueOf(&c.self).Pointer()-reflect.ValueOf(c).Pointer())
+ fmt.Fprintf(w, "#define CPU_REGISTERS 0x%02x\n", reflect.ValueOf(&c.registers).Pointer()-reflect.ValueOf(c).Pointer())
+ fmt.Fprintf(w, "#define CPU_STACK_TOP 0x%02x\n", reflect.ValueOf(&c.stack[0]).Pointer()-reflect.ValueOf(c).Pointer()+uintptr(len(c.stack)))
+ fmt.Fprintf(w, "#define CPU_ERROR_CODE 0x%02x\n", reflect.ValueOf(&c.errorCode).Pointer()-reflect.ValueOf(c).Pointer())
+ fmt.Fprintf(w, "#define CPU_ERROR_TYPE 0x%02x\n", reflect.ValueOf(&c.errorType).Pointer()-reflect.ValueOf(c).Pointer())
+ fmt.Fprintf(w, "#define CPU_FAULT_ADDR 0x%02x\n", reflect.ValueOf(&c.faultAddr).Pointer()-reflect.ValueOf(c).Pointer())
+ fmt.Fprintf(w, "#define CPU_TTBR0_KVM 0x%02x\n", reflect.ValueOf(&c.ttbr0Kvm).Pointer()-reflect.ValueOf(c).Pointer())
+ fmt.Fprintf(w, "#define CPU_TTBR0_APP 0x%02x\n", reflect.ValueOf(&c.ttbr0App).Pointer()-reflect.ValueOf(c).Pointer())
+ fmt.Fprintf(w, "#define CPU_VECTOR_CODE 0x%02x\n", reflect.ValueOf(&c.vecCode).Pointer()-reflect.ValueOf(c).Pointer())
+ fmt.Fprintf(w, "#define CPU_APP_ADDR 0x%02x\n", reflect.ValueOf(&c.appAddr).Pointer()-reflect.ValueOf(c).Pointer())
+
+ fmt.Fprintf(w, "\n// Bits.\n")
+ fmt.Fprintf(w, "#define _KERNEL_FLAGS 0x%02x\n", KernelFlagsSet)
+
+ fmt.Fprintf(w, "\n// Vectors.\n")
+ fmt.Fprintf(w, "#define El1SyncInvalid 0x%02x\n", El1SyncInvalid)
+ fmt.Fprintf(w, "#define El1IrqInvalid 0x%02x\n", El1IrqInvalid)
+ fmt.Fprintf(w, "#define El1FiqInvalid 0x%02x\n", El1FiqInvalid)
+ fmt.Fprintf(w, "#define El1ErrorInvalid 0x%02x\n", El1ErrorInvalid)
+
+ fmt.Fprintf(w, "#define El1Sync 0x%02x\n", El1Sync)
+ fmt.Fprintf(w, "#define El1Irq 0x%02x\n", El1Irq)
+ fmt.Fprintf(w, "#define El1Fiq 0x%02x\n", El1Fiq)
+ fmt.Fprintf(w, "#define El1Error 0x%02x\n", El1Error)
+
+ fmt.Fprintf(w, "#define El0Sync 0x%02x\n", El0Sync)
+ fmt.Fprintf(w, "#define El0Irq 0x%02x\n", El0Irq)
+ fmt.Fprintf(w, "#define El0Fiq 0x%02x\n", El0Fiq)
+ fmt.Fprintf(w, "#define El0Error 0x%02x\n", El0Error)
+
+ fmt.Fprintf(w, "#define El0Sync_invalid 0x%02x\n", El0Sync_invalid)
+ fmt.Fprintf(w, "#define El0Irq_invalid 0x%02x\n", El0Irq_invalid)
+ fmt.Fprintf(w, "#define El0Fiq_invalid 0x%02x\n", El0Fiq_invalid)
+ fmt.Fprintf(w, "#define El0Error_invalid 0x%02x\n", El0Error_invalid)
+
+ fmt.Fprintf(w, "#define El1Sync_da 0x%02x\n", El1Sync_da)
+ fmt.Fprintf(w, "#define El1Sync_ia 0x%02x\n", El1Sync_ia)
+ fmt.Fprintf(w, "#define El1Sync_sp_pc 0x%02x\n", El1Sync_sp_pc)
+ fmt.Fprintf(w, "#define El1Sync_undef 0x%02x\n", El1Sync_undef)
+ fmt.Fprintf(w, "#define El1Sync_dbg 0x%02x\n", El1Sync_dbg)
+ fmt.Fprintf(w, "#define El1Sync_inv 0x%02x\n", El1Sync_inv)
+
+ fmt.Fprintf(w, "#define El0Sync_svc 0x%02x\n", El0Sync_svc)
+ fmt.Fprintf(w, "#define El0Sync_da 0x%02x\n", El0Sync_da)
+ fmt.Fprintf(w, "#define El0Sync_ia 0x%02x\n", El0Sync_ia)
+ fmt.Fprintf(w, "#define El0Sync_fpsimd_acc 0x%02x\n", El0Sync_fpsimd_acc)
+ fmt.Fprintf(w, "#define El0Sync_sve_acc 0x%02x\n", El0Sync_sve_acc)
+ fmt.Fprintf(w, "#define El0Sync_sys 0x%02x\n", El0Sync_sys)
+ fmt.Fprintf(w, "#define El0Sync_sp_pc 0x%02x\n", El0Sync_sp_pc)
+ fmt.Fprintf(w, "#define El0Sync_undef 0x%02x\n", El0Sync_undef)
+ fmt.Fprintf(w, "#define El0Sync_dbg 0x%02x\n", El0Sync_dbg)
+ fmt.Fprintf(w, "#define El0Sync_inv 0x%02x\n", El0Sync_inv)
+
+ fmt.Fprintf(w, "#define PageFault 0x%02x\n", PageFault)
+ fmt.Fprintf(w, "#define Syscall 0x%02x\n", Syscall)
+
+ p := &syscall.PtraceRegs{}
+ fmt.Fprintf(w, "\n// Ptrace registers.\n")
+ fmt.Fprintf(w, "#define PTRACE_R0 0x%02x\n", reflect.ValueOf(&p.Regs[0]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R1 0x%02x\n", reflect.ValueOf(&p.Regs[1]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R2 0x%02x\n", reflect.ValueOf(&p.Regs[2]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R3 0x%02x\n", reflect.ValueOf(&p.Regs[3]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R4 0x%02x\n", reflect.ValueOf(&p.Regs[4]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R5 0x%02x\n", reflect.ValueOf(&p.Regs[5]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R6 0x%02x\n", reflect.ValueOf(&p.Regs[6]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R7 0x%02x\n", reflect.ValueOf(&p.Regs[7]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R8 0x%02x\n", reflect.ValueOf(&p.Regs[8]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R9 0x%02x\n", reflect.ValueOf(&p.Regs[9]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R10 0x%02x\n", reflect.ValueOf(&p.Regs[10]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R11 0x%02x\n", reflect.ValueOf(&p.Regs[11]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R12 0x%02x\n", reflect.ValueOf(&p.Regs[12]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R13 0x%02x\n", reflect.ValueOf(&p.Regs[13]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R14 0x%02x\n", reflect.ValueOf(&p.Regs[14]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R15 0x%02x\n", reflect.ValueOf(&p.Regs[15]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R16 0x%02x\n", reflect.ValueOf(&p.Regs[16]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R17 0x%02x\n", reflect.ValueOf(&p.Regs[17]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R18 0x%02x\n", reflect.ValueOf(&p.Regs[18]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R19 0x%02x\n", reflect.ValueOf(&p.Regs[19]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R20 0x%02x\n", reflect.ValueOf(&p.Regs[20]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R21 0x%02x\n", reflect.ValueOf(&p.Regs[21]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R22 0x%02x\n", reflect.ValueOf(&p.Regs[22]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R23 0x%02x\n", reflect.ValueOf(&p.Regs[23]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R24 0x%02x\n", reflect.ValueOf(&p.Regs[24]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R25 0x%02x\n", reflect.ValueOf(&p.Regs[25]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R26 0x%02x\n", reflect.ValueOf(&p.Regs[26]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R27 0x%02x\n", reflect.ValueOf(&p.Regs[27]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R28 0x%02x\n", reflect.ValueOf(&p.Regs[28]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R29 0x%02x\n", reflect.ValueOf(&p.Regs[29]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_R30 0x%02x\n", reflect.ValueOf(&p.Regs[30]).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_SP 0x%02x\n", reflect.ValueOf(&p.Sp).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_PC 0x%02x\n", reflect.ValueOf(&p.Pc).Pointer()-reflect.ValueOf(p).Pointer())
+ fmt.Fprintf(w, "#define PTRACE_PSTATE 0x%02x\n", reflect.ValueOf(&p.Pstate).Pointer()-reflect.ValueOf(p).Pointer())
+}