Commit 094f8233 authored by Marc Zyngier's avatar Marc Zyngier
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arm64: KVM: VHE: Use unified system register accessors 



Use the recently introduced unified system register accessors for
those sysregs that behave differently depending on VHE being in
use or not.

Reviewed-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 9c6c3568

arch/arm64/kvm/hyp/sysreg-sr.c

+42 −42
Original line number Diff line number Diff line
@@ -37,34 +37,34 @@ static void __hyp_text __sysreg_save_common_state(struct kvm_cpu_context *ctxt) 
	ctxt->sys_regs[TPIDRRO_EL0]	= read_sysreg(tpidrro_el0);

	ctxt->sys_regs[TPIDR_EL1]	= read_sysreg(tpidr_el1);

	ctxt->gp_regs.regs.sp		= read_sysreg(sp_el0);

	ctxt->gp_regs.regs.pc		= read_sysreg(elr_el2);

	ctxt->gp_regs.regs.pstate	= read_sysreg(spsr_el2);

	ctxt->gp_regs.regs.pc		= read_sysreg_el2(elr);

	ctxt->gp_regs.regs.pstate	= read_sysreg_el2(spsr);

}



static void __hyp_text __sysreg_save_state(struct kvm_cpu_context *ctxt)

{

	ctxt->sys_regs[MPIDR_EL1]	= read_sysreg(vmpidr_el2);

	ctxt->sys_regs[CSSELR_EL1]	= read_sysreg(csselr_el1);

	ctxt->sys_regs[SCTLR_EL1]	= read_sysreg(sctlr_el1);

	ctxt->sys_regs[CPACR_EL1]	= read_sysreg(cpacr_el1);

	ctxt->sys_regs[TTBR0_EL1]	= read_sysreg(ttbr0_el1);

	ctxt->sys_regs[TTBR1_EL1]	= read_sysreg(ttbr1_el1);

	ctxt->sys_regs[TCR_EL1]		= read_sysreg(tcr_el1);

	ctxt->sys_regs[ESR_EL1]		= read_sysreg(esr_el1);

	ctxt->sys_regs[AFSR0_EL1]	= read_sysreg(afsr0_el1);

	ctxt->sys_regs[AFSR1_EL1]	= read_sysreg(afsr1_el1);

	ctxt->sys_regs[FAR_EL1]		= read_sysreg(far_el1);

	ctxt->sys_regs[MAIR_EL1]	= read_sysreg(mair_el1);

	ctxt->sys_regs[VBAR_EL1]	= read_sysreg(vbar_el1);

	ctxt->sys_regs[CONTEXTIDR_EL1]	= read_sysreg(contextidr_el1);

	ctxt->sys_regs[AMAIR_EL1]	= read_sysreg(amair_el1);

	ctxt->sys_regs[CNTKCTL_EL1]	= read_sysreg(cntkctl_el1);

	ctxt->sys_regs[SCTLR_EL1]	= read_sysreg_el1(sctlr);

	ctxt->sys_regs[CPACR_EL1]	= read_sysreg_el1(cpacr);

	ctxt->sys_regs[TTBR0_EL1]	= read_sysreg_el1(ttbr0);

	ctxt->sys_regs[TTBR1_EL1]	= read_sysreg_el1(ttbr1);

	ctxt->sys_regs[TCR_EL1]		= read_sysreg_el1(tcr);

	ctxt->sys_regs[ESR_EL1]		= read_sysreg_el1(esr);

	ctxt->sys_regs[AFSR0_EL1]	= read_sysreg_el1(afsr0);

	ctxt->sys_regs[AFSR1_EL1]	= read_sysreg_el1(afsr1);

	ctxt->sys_regs[FAR_EL1]		= read_sysreg_el1(far);

	ctxt->sys_regs[MAIR_EL1]	= read_sysreg_el1(mair);

	ctxt->sys_regs[VBAR_EL1]	= read_sysreg_el1(vbar);

	ctxt->sys_regs[CONTEXTIDR_EL1]	= read_sysreg_el1(contextidr);

	ctxt->sys_regs[AMAIR_EL1]	= read_sysreg_el1(amair);

	ctxt->sys_regs[CNTKCTL_EL1]	= read_sysreg_el1(cntkctl);

	ctxt->sys_regs[PAR_EL1]		= read_sysreg(par_el1);

	ctxt->sys_regs[MDSCR_EL1]	= read_sysreg(mdscr_el1);



	ctxt->gp_regs.sp_el1		= read_sysreg(sp_el1);

	ctxt->gp_regs.elr_el1		= read_sysreg(elr_el1);

	ctxt->gp_regs.spsr[KVM_SPSR_EL1]= read_sysreg(spsr_el1);

	ctxt->gp_regs.elr_el1		= read_sysreg_el1(elr);

	ctxt->gp_regs.spsr[KVM_SPSR_EL1]= read_sysreg_el1(spsr);

}



void __hyp_text __sysreg_save_host_state(struct kvm_cpu_context *ctxt)
@@ -86,34 +86,34 @@ static void __hyp_text __sysreg_restore_common_state(struct kvm_cpu_context *ctx 
	write_sysreg(ctxt->sys_regs[TPIDRRO_EL0], tpidrro_el0);

	write_sysreg(ctxt->sys_regs[TPIDR_EL1],	  tpidr_el1);

	write_sysreg(ctxt->gp_regs.regs.sp,	  sp_el0);

	write_sysreg(ctxt->gp_regs.regs.pc,	  elr_el2);

	write_sysreg(ctxt->gp_regs.regs.pstate,	  spsr_el2);

	write_sysreg_el2(ctxt->gp_regs.regs.pc,	  elr);

	write_sysreg_el2(ctxt->gp_regs.regs.pstate, spsr);

}



static void __hyp_text __sysreg_restore_state(struct kvm_cpu_context *ctxt)

{

	write_sysreg(ctxt->sys_regs[MPIDR_EL1],		vmpidr_el2);

	write_sysreg(ctxt->sys_regs[CSSELR_EL1],	csselr_el1);

	write_sysreg(ctxt->sys_regs[SCTLR_EL1],	  sctlr_el1);

	write_sysreg(ctxt->sys_regs[CPACR_EL1],	  cpacr_el1);

	write_sysreg(ctxt->sys_regs[TTBR0_EL1],	  ttbr0_el1);

	write_sysreg(ctxt->sys_regs[TTBR1_EL1],	  ttbr1_el1);

	write_sysreg(ctxt->sys_regs[TCR_EL1],	  tcr_el1);

	write_sysreg(ctxt->sys_regs[ESR_EL1],	  esr_el1);

	write_sysreg(ctxt->sys_regs[AFSR0_EL1],	  afsr0_el1);

	write_sysreg(ctxt->sys_regs[AFSR1_EL1],	  afsr1_el1);

	write_sysreg(ctxt->sys_regs[FAR_EL1],	  far_el1);

	write_sysreg(ctxt->sys_regs[MAIR_EL1],	  mair_el1);

	write_sysreg(ctxt->sys_regs[VBAR_EL1],	  vbar_el1);

	write_sysreg(ctxt->sys_regs[CONTEXTIDR_EL1], contextidr_el1);

	write_sysreg(ctxt->sys_regs[AMAIR_EL1],	  amair_el1);

	write_sysreg(ctxt->sys_regs[CNTKCTL_EL1], cntkctl_el1);

	write_sysreg_el1(ctxt->sys_regs[SCTLR_EL1],	sctlr);

	write_sysreg_el1(ctxt->sys_regs[CPACR_EL1],	cpacr);

	write_sysreg_el1(ctxt->sys_regs[TTBR0_EL1],	ttbr0);

	write_sysreg_el1(ctxt->sys_regs[TTBR1_EL1],	ttbr1);

	write_sysreg_el1(ctxt->sys_regs[TCR_EL1],	tcr);

	write_sysreg_el1(ctxt->sys_regs[ESR_EL1],	esr);

	write_sysreg_el1(ctxt->sys_regs[AFSR0_EL1],	afsr0);

	write_sysreg_el1(ctxt->sys_regs[AFSR1_EL1],	afsr1);

	write_sysreg_el1(ctxt->sys_regs[FAR_EL1],	far);

	write_sysreg_el1(ctxt->sys_regs[MAIR_EL1],	mair);

	write_sysreg_el1(ctxt->sys_regs[VBAR_EL1],	vbar);

	write_sysreg_el1(ctxt->sys_regs[CONTEXTIDR_EL1],contextidr);

	write_sysreg_el1(ctxt->sys_regs[AMAIR_EL1],	amair);

	write_sysreg_el1(ctxt->sys_regs[CNTKCTL_EL1], 	cntkctl);

	write_sysreg(ctxt->sys_regs[PAR_EL1],		par_el1);

	write_sysreg(ctxt->sys_regs[MDSCR_EL1],		mdscr_el1);



	write_sysreg(ctxt->gp_regs.sp_el1,		sp_el1);

	write_sysreg(ctxt->gp_regs.elr_el1,	elr_el1);

	write_sysreg(ctxt->gp_regs.spsr[KVM_SPSR_EL1], spsr_el1);

	write_sysreg_el1(ctxt->gp_regs.elr_el1,		elr);

	write_sysreg_el1(ctxt->gp_regs.spsr[KVM_SPSR_EL1],spsr);

}



void __hyp_text __sysreg_restore_host_state(struct kvm_cpu_context *ctxt)

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