diff options
author | Marc Zyngier <marc.zyngier@arm.com> | 2016-01-03 11:26:01 +0000 |
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committer | Marc Zyngier <marc.zyngier@arm.com> | 2016-02-29 18:34:12 +0000 |
commit | c2a8dab507ca6f8990c12372052efc830f51dd3f (patch) | |
tree | 572950287f254ee8b8348b0e08cd18d1ec94459a /arch/arm/kvm | |
parent | fb32a52a1d4487f3ac5b7ccb659d0beb11ec504f (diff) | |
download | op-kernel-dev-c2a8dab507ca6f8990c12372052efc830f51dd3f.zip op-kernel-dev-c2a8dab507ca6f8990c12372052efc830f51dd3f.tar.gz |
ARM: KVM: Move GP registers into the CPU context structure
Continuing our rework of the CPU context, we now move the GP
registers into the CPU context structure.
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/kvm')
-rw-r--r-- | arch/arm/kvm/emulate.c | 12 | ||||
-rw-r--r-- | arch/arm/kvm/guest.c | 4 | ||||
-rw-r--r-- | arch/arm/kvm/interrupts_head.S | 11 | ||||
-rw-r--r-- | arch/arm/kvm/reset.c | 2 |
4 files changed, 20 insertions, 9 deletions
diff --git a/arch/arm/kvm/emulate.c b/arch/arm/kvm/emulate.c index ee161b1..a494def 100644 --- a/arch/arm/kvm/emulate.c +++ b/arch/arm/kvm/emulate.c @@ -112,7 +112,7 @@ static const unsigned long vcpu_reg_offsets[VCPU_NR_MODES][15] = { */ unsigned long *vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num) { - unsigned long *reg_array = (unsigned long *)&vcpu->arch.regs; + unsigned long *reg_array = (unsigned long *)&vcpu->arch.ctxt.gp_regs; unsigned long mode = *vcpu_cpsr(vcpu) & MODE_MASK; switch (mode) { @@ -147,15 +147,15 @@ unsigned long *vcpu_spsr(struct kvm_vcpu *vcpu) unsigned long mode = *vcpu_cpsr(vcpu) & MODE_MASK; switch (mode) { case SVC_MODE: - return &vcpu->arch.regs.KVM_ARM_SVC_spsr; + return &vcpu->arch.ctxt.gp_regs.KVM_ARM_SVC_spsr; case ABT_MODE: - return &vcpu->arch.regs.KVM_ARM_ABT_spsr; + return &vcpu->arch.ctxt.gp_regs.KVM_ARM_ABT_spsr; case UND_MODE: - return &vcpu->arch.regs.KVM_ARM_UND_spsr; + return &vcpu->arch.ctxt.gp_regs.KVM_ARM_UND_spsr; case IRQ_MODE: - return &vcpu->arch.regs.KVM_ARM_IRQ_spsr; + return &vcpu->arch.ctxt.gp_regs.KVM_ARM_IRQ_spsr; case FIQ_MODE: - return &vcpu->arch.regs.KVM_ARM_FIQ_spsr; + return &vcpu->arch.ctxt.gp_regs.KVM_ARM_FIQ_spsr; default: BUG(); } diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c index 5fa69d7..86e26fb 100644 --- a/arch/arm/kvm/guest.c +++ b/arch/arm/kvm/guest.c @@ -55,7 +55,7 @@ static u64 core_reg_offset_from_id(u64 id) static int get_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) { u32 __user *uaddr = (u32 __user *)(long)reg->addr; - struct kvm_regs *regs = &vcpu->arch.regs; + struct kvm_regs *regs = &vcpu->arch.ctxt.gp_regs; u64 off; if (KVM_REG_SIZE(reg->id) != 4) @@ -72,7 +72,7 @@ static int get_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) { u32 __user *uaddr = (u32 __user *)(long)reg->addr; - struct kvm_regs *regs = &vcpu->arch.regs; + struct kvm_regs *regs = &vcpu->arch.ctxt.gp_regs; u64 off, val; if (KVM_REG_SIZE(reg->id) != 4) diff --git a/arch/arm/kvm/interrupts_head.S b/arch/arm/kvm/interrupts_head.S index b9d9531..e0943cb 100644 --- a/arch/arm/kvm/interrupts_head.S +++ b/arch/arm/kvm/interrupts_head.S @@ -1,6 +1,17 @@ #include <linux/irqchip/arm-gic.h> #include <asm/assembler.h> +/* Compat macro, until we get rid of this file entierely */ +#define VCPU_GP_REGS (VCPU_GUEST_CTXT + CPU_CTXT_GP_REGS) +#define VCPU_USR_REGS (VCPU_GP_REGS + GP_REGS_USR) +#define VCPU_SVC_REGS (VCPU_GP_REGS + GP_REGS_SVC) +#define VCPU_ABT_REGS (VCPU_GP_REGS + GP_REGS_ABT) +#define VCPU_UND_REGS (VCPU_GP_REGS + GP_REGS_UND) +#define VCPU_IRQ_REGS (VCPU_GP_REGS + GP_REGS_IRQ) +#define VCPU_FIQ_REGS (VCPU_GP_REGS + GP_REGS_FIQ) +#define VCPU_PC (VCPU_GP_REGS + GP_REGS_PC) +#define VCPU_CPSR (VCPU_GP_REGS + GP_REGS_CPSR) + #define VCPU_USR_REG(_reg_nr) (VCPU_USR_REGS + (_reg_nr * 4)) #define VCPU_USR_SP (VCPU_USR_REG(13)) #define VCPU_USR_LR (VCPU_USR_REG(14)) diff --git a/arch/arm/kvm/reset.c b/arch/arm/kvm/reset.c index eeb8585..0048b5a 100644 --- a/arch/arm/kvm/reset.c +++ b/arch/arm/kvm/reset.c @@ -71,7 +71,7 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) } /* Reset core registers */ - memcpy(&vcpu->arch.regs, reset_regs, sizeof(vcpu->arch.regs)); + memcpy(&vcpu->arch.ctxt.gp_regs, reset_regs, sizeof(vcpu->arch.ctxt.gp_regs)); /* Reset CP15 registers */ kvm_reset_coprocs(vcpu); |