89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*
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* KVM guest hardware stacks access support
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*
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* Copyright (C) 2016 MCST
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*/
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#ifndef _E2K_KVM_GUEST_HW_STACKS_H_
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#define _E2K_KVM_GUEST_HW_STACKS_H_
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#ifndef __ASSEMBLY__
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#include <asm/types.h>
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/* procedure chain stack items access */
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extern unsigned long kvm_get_active_cr0_lo_value(e2k_addr_t base,
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e2k_addr_t cr_ind);
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extern unsigned long kvm_get_active_cr0_hi_value(e2k_addr_t base,
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e2k_addr_t cr_ind);
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extern unsigned long kvm_get_active_cr1_lo_value(e2k_addr_t base,
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e2k_addr_t cr_ind);
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extern unsigned long kvm_get_active_cr1_hi_value(e2k_addr_t base,
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e2k_addr_t cr_ind);
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extern void kvm_put_active_cr0_lo_value(unsigned long cr0_lo_value,
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e2k_addr_t base, e2k_addr_t cr_ind);
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extern void kvm_put_active_cr0_hi_value(unsigned long cr0_hi_value,
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e2k_addr_t base, e2k_addr_t cr_ind);
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extern void kvm_put_active_cr1_lo_value(unsigned long cr1_lo_value,
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e2k_addr_t base, e2k_addr_t cr_ind);
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extern void kvm_put_active_cr1_hi_value(unsigned long cr1_hi_value,
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e2k_addr_t base, e2k_addr_t cr_ind);
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#ifdef CONFIG_KVM_GUEST_KERNEL
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/* pure guest kernel (not paravirtualized based on pv_ops) */
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/*
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* Procedure chain stack items access
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*/
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static inline unsigned long
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get_active_cr0_lo_value(e2k_addr_t base, e2k_addr_t cr_ind)
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{
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return kvm_get_active_cr0_lo_value(base, cr_ind);
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}
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static inline unsigned long
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get_active_cr0_hi_value(e2k_addr_t base, e2k_addr_t cr_ind)
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{
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return kvm_get_active_cr0_hi_value(base, cr_ind);
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}
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static inline unsigned long
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get_active_cr1_lo_value(e2k_addr_t base, e2k_addr_t cr_ind)
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{
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return kvm_get_active_cr1_lo_value(base, cr_ind);
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}
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static inline unsigned long
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get_active_cr1_hi_value(e2k_addr_t base, e2k_addr_t cr_ind)
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{
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return kvm_get_active_cr1_hi_value(base, cr_ind);
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}
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static inline void
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put_active_cr0_lo_value(unsigned long cr0_lo_value,
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e2k_addr_t base, e2k_addr_t cr_ind)
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{
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kvm_put_active_cr0_lo_value(cr0_lo_value, base, cr_ind);
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}
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static inline void
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put_active_cr0_hi_value(unsigned long cr0_hi_value,
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e2k_addr_t base, e2k_addr_t cr_ind)
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{
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kvm_put_active_cr0_hi_value(cr0_hi_value, base, cr_ind);
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}
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static inline void
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put_active_cr1_lo_value(unsigned long cr1_lo_value,
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e2k_addr_t base, e2k_addr_t cr_ind)
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{
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kvm_put_active_cr1_lo_value(cr1_lo_value, base, cr_ind);
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}
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static inline void
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put_active_cr1_hi_value(unsigned long cr1_hi_value,
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e2k_addr_t base, e2k_addr_t cr_ind)
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{
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kvm_put_active_cr1_hi_value(cr1_hi_value, base, cr_ind);
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}
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#endif /* CONFIG_KVM_GUEST_KERNEL */
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#endif /* ! __ASSEMBLY__ */
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#endif /* _E2K_KVM_GUEST_HW_STACKS_H_ */
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