arm_cpu.cc File Reference

#include "arch/arm/kvm/arm_cpu.hh"
#include <linux/kvm.h>
#include <algorithm>
#include <cerrno>
#include <memory>
#include "arch/arm/interrupts.hh"
#include "arch/registers.hh"
#include "cpu/kvm/base.hh"
#include "debug/Kvm.hh"
#include "debug/KvmContext.hh"
#include "debug/KvmInt.hh"
#include "sim/pseudo_inst.hh"

Go to the source code of this file.

Macros
#define	EXTRACT_FIELD(val, mask, shift)   (((val) & (mask)) >> (shift))
#define	REG_IS_ARM(id)   (((id) & KVM_REG_ARCH_MASK) == KVM_REG_ARM)
#define	REG_IS_32BIT(id)   (((id) & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U32)
#define	REG_IS_64BIT(id)   (((id) & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U64)
#define	REG_IS_CP(id, cp)   (((id) & KVM_REG_ARM_COPROC_MASK) == (cp))
#define	REG_IS_CORE(id)   REG_IS_CP((id), KVM_REG_ARM_CORE)
#define	REG_IS_VFP(id)   REG_IS_CP((id), KVM_REG_ARM_VFP)
#define	REG_VFP_REG(id)   ((id) & KVM_REG_ARM_VFP_MASK)
#define	REG_IS_VFP_REG(id)   (REG_VFP_REG(id) < 0x100)
#define	REG_IS_VFP_CTRL(id)   (REG_VFP_REG(id) >= 0x100)
#define	REG_IS_DEMUX(id)   REG_IS_CP((id), KVM_REG_ARM_DEMUX)
#define	REG_CORE_IDX(id)   (~(KVM_REG_ARCH_MASK | KVM_REG_SIZE_MASK | KVM_REG_ARM_CORE))
#define	REG_CP(id)   EXTRACT_FIELD(id, KVM_REG_ARM_COPROC_MASK, KVM_REG_ARM_COPROC_SHIFT)
#define	REG_CRN(id)   EXTRACT_FIELD(id, KVM_REG_ARM_32_CRN_MASK, KVM_REG_ARM_32_CRN_SHIFT)
#define	REG_OPC1(id)   EXTRACT_FIELD(id, KVM_REG_ARM_OPC1_MASK, KVM_REG_ARM_OPC1_SHIFT)
#define	REG_CRM(id)   EXTRACT_FIELD(id, KVM_REG_ARM_CRM_MASK, KVM_REG_ARM_CRM_SHIFT)
#define	REG_OPC2(id)   EXTRACT_FIELD(id, KVM_REG_ARM_32_OPC2_MASK, KVM_REG_ARM_32_OPC2_SHIFT)
#define	REG_CP32(cpnum, crn, opc1, crm, opc2)
#define	REG_CP64(cpnum, opc1, crm)
#define	REG_CORE32(kname)
#define	REG_VFP32(regno)
#define	REG_VFP64(regno)
#define	REG_DEMUX32(dmxid, val)
#define	INTERRUPT_ID(type, vcpu, irq)
#define	INTERRUPT_VCPU_IRQ(vcpu)   INTERRUPT_ID(KVM_ARM_IRQ_TYPE_CPU, vcpu, KVM_ARM_IRQ_CPU_IRQ)
#define	INTERRUPT_VCPU_FIQ(vcpu)   INTERRUPT_ID(KVM_ARM_IRQ_TYPE_CPU, vcpu, KVM_ARM_IRQ_CPU_FIQ)
#define	COUNT_OF(l)   (sizeof(l) / sizeof(*l))

Functions
const static uint64_t	KVM_REG64_TTBR0 (REG_CP64(15, 0, 2))
const static uint64_t	KVM_REG64_TTBR1 (REG_CP64(15, 1, 2))

Variables
static uint64_t	invariant_reg_vector []

Macro Definition Documentation

COUNT_OF

#define COUNT_OF

(

l

)

(sizeof(l) / sizeof(*l))

Definition at line 187 of file arm_cpu.cc.

EXTRACT_FIELD

#define EXTRACT_FIELD	(		val,
			mask,
			shift
	)		(((val) & (mask)) >> (shift))

Definition at line 56 of file arm_cpu.cc.

INTERRUPT_ID

#define INTERRUPT_ID	(		type,
			vcpu,
			irq
	)

Value:

        (                    \
        ((type) << KVM_ARM_IRQ_TYPE_SHIFT) |               \
        ((vcpu) << KVM_ARM_IRQ_VCPU_SHIFT) |               \
        ((irq) << KVM_ARM_IRQ_NUM_SHIFT))

Definition at line 175 of file arm_cpu.cc.

INTERRUPT_VCPU_FIQ

#define INTERRUPT_VCPU_FIQ

(

vcpu

)

INTERRUPT_ID(KVM_ARM_IRQ_TYPE_CPU, vcpu, KVM_ARM_IRQ_CPU_FIQ)

Definition at line 183 of file arm_cpu.cc.

INTERRUPT_VCPU_IRQ

#define INTERRUPT_VCPU_IRQ

(

vcpu

)

INTERRUPT_ID(KVM_ARM_IRQ_TYPE_CPU, vcpu, KVM_ARM_IRQ_CPU_IRQ)

Definition at line 180 of file arm_cpu.cc.

REG_CORE32

#define REG_CORE32

(

kname

)

Value:

        (                     \
        (KVM_REG_ARM | KVM_REG_SIZE_U32) |      \
        (KVM_REG_ARM_CORE) |                    \
        (KVM_REG_ARM_CORE_REG(kname)))

Definition at line 118 of file arm_cpu.cc.

REG_CORE_IDX

#define REG_CORE_IDX

(

id

)

(~(KVM_REG_ARCH_MASK | KVM_REG_SIZE_MASK | KVM_REG_ARM_CORE))

Definition at line 86 of file arm_cpu.cc.

REG_CP

#define REG_CP

(

id

)

EXTRACT_FIELD(id, KVM_REG_ARM_COPROC_MASK, KVM_REG_ARM_COPROC_SHIFT)

Definition at line 89 of file arm_cpu.cc.

REG_CP32

#define REG_CP32	(		cpnum,
			crn,
			opc1,
			crm,
			opc2
	)

Value:

        ( \
        (KVM_REG_ARM | KVM_REG_SIZE_U32) |      \
        ((cpnum) << KVM_REG_ARM_COPROC_SHIFT) | \
        ((crn) << KVM_REG_ARM_32_CRN_SHIFT) |   \
        ((opc1) << KVM_REG_ARM_OPC1_SHIFT) |    \
        ((crm) << KVM_REG_ARM_CRM_SHIFT) |      \
        ((opc2) << KVM_REG_ARM_32_OPC2_SHIFT))

Definition at line 104 of file arm_cpu.cc.

REG_CP64

#define REG_CP64	(		cpnum,
			opc1,
			crm
	)

Value:

        (            \
        (KVM_REG_ARM | KVM_REG_SIZE_U64) |      \
        ((cpnum) << KVM_REG_ARM_COPROC_SHIFT) | \
        ((opc1) << KVM_REG_ARM_OPC1_SHIFT) |    \
        ((crm) << KVM_REG_ARM_CRM_SHIFT))

Definition at line 112 of file arm_cpu.cc.

REG_CRM

#define REG_CRM

(

id

)

EXTRACT_FIELD(id, KVM_REG_ARM_CRM_MASK, KVM_REG_ARM_CRM_SHIFT)

Definition at line 98 of file arm_cpu.cc.

REG_CRN

#define REG_CRN

(

id

)

EXTRACT_FIELD(id, KVM_REG_ARM_32_CRN_MASK, KVM_REG_ARM_32_CRN_SHIFT)

Definition at line 92 of file arm_cpu.cc.

REG_DEMUX32

#define REG_DEMUX32	(		dmxid,
			val
	)

Value:

        (               \
        (KVM_REG_ARM | KVM_REG_SIZE_U32) |      \
        (dmxid) | (val))

Definition at line 131 of file arm_cpu.cc.

REG_IS_32BIT

#define REG_IS_32BIT

(

id

)

(((id) & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U32)

Definition at line 62 of file arm_cpu.cc.

REG_IS_64BIT

#define REG_IS_64BIT

(

id

)

(((id) & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U64)

Definition at line 65 of file arm_cpu.cc.

REG_IS_ARM

#define REG_IS_ARM

(

id

)

(((id) & KVM_REG_ARCH_MASK) == KVM_REG_ARM)

Definition at line 59 of file arm_cpu.cc.

REG_IS_CORE

#define REG_IS_CORE

(

id

)

REG_IS_CP((id), KVM_REG_ARM_CORE)

Definition at line 71 of file arm_cpu.cc.

REG_IS_CP

#define REG_IS_CP	(		id,
			cp
	)		(((id) & KVM_REG_ARM_COPROC_MASK) == (cp))

Definition at line 68 of file arm_cpu.cc.

REG_IS_DEMUX

#define REG_IS_DEMUX

(

id

)

REG_IS_CP((id), KVM_REG_ARM_DEMUX)

Definition at line 80 of file arm_cpu.cc.

REG_IS_VFP

#define REG_IS_VFP

(

id

)

REG_IS_CP((id), KVM_REG_ARM_VFP)

Definition at line 73 of file arm_cpu.cc.

REG_IS_VFP_CTRL

#define REG_IS_VFP_CTRL

(

id

)

(REG_VFP_REG(id) >= 0x100)

Definition at line 78 of file arm_cpu.cc.

REG_IS_VFP_REG

#define REG_IS_VFP_REG

(

id

)

(REG_VFP_REG(id) < 0x100)

Definition at line 77 of file arm_cpu.cc.

REG_OPC1

#define REG_OPC1

(

id

)

EXTRACT_FIELD(id, KVM_REG_ARM_OPC1_MASK, KVM_REG_ARM_OPC1_SHIFT)

Definition at line 95 of file arm_cpu.cc.

REG_OPC2

#define REG_OPC2

(

id

)

EXTRACT_FIELD(id, KVM_REG_ARM_32_OPC2_MASK, KVM_REG_ARM_32_OPC2_SHIFT)

Definition at line 101 of file arm_cpu.cc.

REG_VFP32

#define REG_VFP32

(

regno

)

Value:

        (                      \
        (KVM_REG_ARM | KVM_REG_SIZE_U32) |      \
        KVM_REG_ARM_VFP | (regno))

Definition at line 123 of file arm_cpu.cc.

REG_VFP64

#define REG_VFP64

(

regno

)

Value:

        (                      \
        (KVM_REG_ARM | KVM_REG_SIZE_U64) |      \
        KVM_REG_ARM_VFP | (regno))

Definition at line 127 of file arm_cpu.cc.

REG_VFP_REG

#define REG_VFP_REG

(

id

)

((id) & KVM_REG_ARM_VFP_MASK)

Definition at line 74 of file arm_cpu.cc.

Function Documentation

KVM_REG64_TTBR0()

const static uint64_t KVM_REG64_TTBR0 ( REG_CP64(15, 0, 2)  )

static

Referenced by ArmKvmCPU::updateKvmStateCoProc(), and ArmKvmCPU::updateTCStateCoProc().

KVM_REG64_TTBR1()

const static uint64_t KVM_REG64_TTBR1 ( REG_CP64(15, 1, 2)  )

static

Referenced by ArmKvmCPU::updateKvmStateCoProc(), and ArmKvmCPU::updateTCStateCoProc().

Variable Documentation

invariant_reg_vector

uint64_t invariant_reg_vector[]

static

Definition at line 138 of file arm_cpu.cc.