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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_S390_SAE_H
#define __ASM_S390_SAE_H
#include <linux/linkage.h>
#include <linux/types.h>
#ifndef __ASSEMBLER__
/* defined in arch/s390/kernel/entry.S */
asmlinkage void sae(phys_addr_t sae_block_phys);
#include <linux/io.h>
#include <asm/kvm_host_arm64_types.h>
/**
* stiasrm() - STore and Invalidate Arm System Register Multiple
* @save_area: Pointer to SAE save area
*
* Store the guest system registers to the save area.
* The values in the guest are no longer valid.
*/
static __always_inline void stiasrm(struct kvm_sae_save_area *save_area)
{
asm_inline volatile(
" .insn rre,0xb9a70000,%[r1],0\n"
: "+m" (*save_area)
: [r1] "a" (save_area)
);
}
/**
* lasrm() - Load Arm System Register Multiple
*
* @save_area: Pointer to SAE save area
*
* Load the system registers from save_area into the guest.
*/
static __always_inline void lasrm(struct kvm_sae_save_area *save_area)
{
asm_inline volatile(
" .insn rre,0xb9a60000,%[r1],0\n"
:
: "m" (*save_area), [r1] "a" (save_area)
);
}
#endif /* !__ASSEMBLER__ */
#endif /* __ASM_S390_SAE_H */
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