On Thu, 10 Dec 2020 15:59:01 +0000 Marc Zyngier <[email protected]> wrote:
Hi, > Add the minimal set of EL2 system registers to the vcpu context. > Nothing uses them just yet. > > Signed-off-by: Marc Zyngier <[email protected]> Checked against the ARM ARM that this list contains the _EL2 registers available in ARMv8.1, minus timer and GIC registers. Reviewed-by: Andre Przywara <[email protected]> Cheers, Andre > --- > arch/arm64/include/asm/kvm_host.h | 34 ++++++++++++++++++++++++++++++- > 1 file changed, 33 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/include/asm/kvm_host.h > b/arch/arm64/include/asm/kvm_host.h > index 11beda85ee7e..d731cf7a56cb 100644 > --- a/arch/arm64/include/asm/kvm_host.h > +++ b/arch/arm64/include/asm/kvm_host.h > @@ -206,12 +206,44 @@ enum vcpu_sysreg { > CNTP_CVAL_EL0, > CNTP_CTL_EL0, > > - /* 32bit specific registers. Keep them at the end of the range */ > + /* 32bit specific registers. */ > DACR32_EL2, /* Domain Access Control Register */ > IFSR32_EL2, /* Instruction Fault Status Register */ > FPEXC32_EL2, /* Floating-Point Exception Control Register */ > DBGVCR32_EL2, /* Debug Vector Catch Register */ > > + /* EL2 registers */ > + VPIDR_EL2, /* Virtualization Processor ID Register */ > + VMPIDR_EL2, /* Virtualization Multiprocessor ID Register */ > + SCTLR_EL2, /* System Control Register (EL2) */ > + ACTLR_EL2, /* Auxiliary Control Register (EL2) */ > + HCR_EL2, /* Hypervisor Configuration Register */ > + MDCR_EL2, /* Monitor Debug Configuration Register (EL2) */ > + CPTR_EL2, /* Architectural Feature Trap Register (EL2) */ > + HSTR_EL2, /* Hypervisor System Trap Register */ > + HACR_EL2, /* Hypervisor Auxiliary Control Register */ > + TTBR0_EL2, /* Translation Table Base Register 0 (EL2) */ > + TTBR1_EL2, /* Translation Table Base Register 1 (EL2) */ > + TCR_EL2, /* Translation Control Register (EL2) */ > + VTTBR_EL2, /* Virtualization Translation Table Base Register */ > + VTCR_EL2, /* Virtualization Translation Control Register */ > + SPSR_EL2, /* EL2 saved program status register */ > + ELR_EL2, /* EL2 exception link register */ > + AFSR0_EL2, /* Auxiliary Fault Status Register 0 (EL2) */ > + AFSR1_EL2, /* Auxiliary Fault Status Register 1 (EL2) */ > + ESR_EL2, /* Exception Syndrome Register (EL2) */ > + FAR_EL2, /* Hypervisor IPA Fault Address Register */ > + HPFAR_EL2, /* Hypervisor IPA Fault Address Register */ > + MAIR_EL2, /* Memory Attribute Indirection Register (EL2) */ > + AMAIR_EL2, /* Auxiliary Memory Attribute Indirection Register > (EL2) */ > + VBAR_EL2, /* Vector Base Address Register (EL2) */ > + RVBAR_EL2, /* Reset Vector Base Address Register */ > + RMR_EL2, /* Reset Management Register */ > + CONTEXTIDR_EL2, /* Context ID Register (EL2) */ > + TPIDR_EL2, /* EL2 Software Thread ID Register */ > + CNTHCTL_EL2, /* Counter-timer Hypervisor Control register */ > + SP_EL2, /* EL2 Stack Pointer */ > + > NR_SYS_REGS /* Nothing after this line! */ > }; > _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
