47 #define K0		26  macro
252 	UASM_i_LA(&p, K0, ST0_EXL | KSU_USER | ST0_BEV | ST0_KX_IF_64);  in kvm_mips_build_vcpu_run()
253 	uasm_i_mtc0(&p, K0, C0_STATUS);  in kvm_mips_build_vcpu_run()
257 	UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, guest_ebase), K1);  in kvm_mips_build_vcpu_run()
258 	build_set_exc_base(&p, K0);  in kvm_mips_build_vcpu_run()
265 	uasm_i_addiu(&p, K0, ZERO, ST0_EXL | KSU_USER | ST0_IE | ST0_KX_IF_64);  in kvm_mips_build_vcpu_run()
267 	uasm_i_or(&p, K0, K0, V0);  in kvm_mips_build_vcpu_run()
268 	uasm_i_mtc0(&p, K0, C0_STATUS);  in kvm_mips_build_vcpu_run()
304 		UASM_i_MFC0(&p, K0, C0_PWBASE);  in kvm_mips_build_enter_guest()
306 		UASM_i_MFC0(&p, K0, c0_kscratch(), pgd_reg);  in kvm_mips_build_enter_guest()
307 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, host_pgd), K1);  in kvm_mips_build_enter_guest()
330 	uasm_i_mfc0(&p, K0, C0_GUESTCTL0);  in kvm_mips_build_enter_guest()
331 	uasm_i_ins(&p, K0, V1, MIPS_GCTL0_GM_SHIFT, 1);  in kvm_mips_build_enter_guest()
332 	uasm_i_mtc0(&p, K0, C0_GUESTCTL0);  in kvm_mips_build_enter_guest()
356 	UASM_i_MFC0(&p, K0, C0_ENTRYHI);  in kvm_mips_build_enter_guest()
357 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, host_entryhi),  in kvm_mips_build_enter_guest()
370 	UASM_i_LW(&p, K0, 0, T3);  in kvm_mips_build_enter_guest()
382 	uasm_i_and(&p, K0, K0, T2);  in kvm_mips_build_enter_guest()
384 	uasm_i_andi(&p, K0, K0, MIPS_ENTRYHI_ASID);  in kvm_mips_build_enter_guest()
388 	uasm_i_mtc0(&p, K0, C0_ENTRYHI);  in kvm_mips_build_enter_guest()
398 		if (i == K0 || i == K1)  in kvm_mips_build_enter_guest()
405 	UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, hi), K1);  in kvm_mips_build_enter_guest()
406 	uasm_i_mthi(&p, K0);  in kvm_mips_build_enter_guest()
408 	UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, lo), K1);  in kvm_mips_build_enter_guest()
409 	uasm_i_mtlo(&p, K0);  in kvm_mips_build_enter_guest()
413 	UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, gprs[K0]), K1);  in kvm_mips_build_enter_guest()
453 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu, arch.gprs[K0]), K1);  in kvm_mips_build_tlb_refill_exception()
463 	uasm_i_lddir(&p, K0, K1, 3);  /* global page dir */  in kvm_mips_build_tlb_refill_exception()
465 	uasm_i_lddir(&p, K1, K0, 1);  /* middle page dir */  in kvm_mips_build_tlb_refill_exception()
483 	build_get_pmde64(&p, &l, &r, K0, K1); /* get pmd in K1 */  in kvm_mips_build_tlb_refill_exception()
485 	build_get_pgde32(&p, K0, K1); /* get pgd in K1 */  in kvm_mips_build_tlb_refill_exception()
490 	build_get_ptep(&p, K0, K1);  in kvm_mips_build_tlb_refill_exception()
491 	build_update_entries(&p, K0, K1);  in kvm_mips_build_tlb_refill_exception()
501 	UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu, arch.gprs[K0]), K1);  in kvm_mips_build_tlb_refill_exception()
540 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, gprs[K0]), K1);  in kvm_mips_build_exception()
588 		if (i == K0 || i == K1)  in kvm_mips_build_exit()
616 	UASM_i_MFC0(&p, K0, C0_EPC);  in kvm_mips_build_exit()
617 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, pc), K1);  in kvm_mips_build_exit()
619 	UASM_i_MFC0(&p, K0, C0_BADVADDR);  in kvm_mips_build_exit()
620 	UASM_i_SW(&p, K0, offsetof(struct kvm_vcpu_arch, host_cp0_badvaddr),  in kvm_mips_build_exit()
623 	uasm_i_mfc0(&p, K0, C0_CAUSE);  in kvm_mips_build_exit()
624 	uasm_i_sw(&p, K0, offsetof(struct kvm_vcpu_arch, host_cp0_cause), K1);  in kvm_mips_build_exit()
627 		uasm_i_mfc0(&p, K0, C0_BADINSTR);  in kvm_mips_build_exit()
628 		uasm_i_sw(&p, K0, offsetof(struct kvm_vcpu_arch,  in kvm_mips_build_exit()
633 		uasm_i_mfc0(&p, K0, C0_BADINSTRP);  in kvm_mips_build_exit()
634 		uasm_i_sw(&p, K0, offsetof(struct kvm_vcpu_arch,  in kvm_mips_build_exit()
645 	uasm_i_or(&p, K0, V0, AT);  in kvm_mips_build_exit()
647 	uasm_i_mtc0(&p, K0, C0_STATUS);  in kvm_mips_build_exit()
650 	UASM_i_LA_mostly(&p, K0, (long)&ebase);  in kvm_mips_build_exit()
651 	UASM_i_LW(&p, K0, uasm_rel_lo((long)&ebase), K0);  in kvm_mips_build_exit()
652 	build_set_exc_base(&p, K0);  in kvm_mips_build_exit()
688 		UASM_i_LW(&p, K0, offsetof(struct kvm_vcpu_arch, host_entryhi),  in kvm_mips_build_exit()
690 		UASM_i_MTC0(&p, K0, C0_ENTRYHI);  in kvm_mips_build_exit()
710 	uasm_i_mfc0(&p, K0, C0_GUESTCTL0);  in kvm_mips_build_exit()
711 	uasm_i_ins(&p, K0, ZERO, MIPS_GCTL0_GM_SHIFT, 1);  in kvm_mips_build_exit()
712 	uasm_i_mtc0(&p, K0, C0_GUESTCTL0);  in kvm_mips_build_exit()
715 	uasm_i_sw(&p, K0,  in kvm_mips_build_exit()
756 	kvm_mips_build_restore_scratch(&p, K0, SP);  in kvm_mips_build_exit()
759 	UASM_i_LA_mostly(&p, K0, (long)&hwrena);  in kvm_mips_build_exit()
760 	uasm_i_lw(&p, K0, uasm_rel_lo((long)&hwrena), K0);  in kvm_mips_build_exit()
761 	uasm_i_mtc0(&p, K0, C0_HWRENA);  in kvm_mips_build_exit()
854 	uasm_i_or(&p, K0, V1, AT);  in kvm_mips_build_ret_to_guest()
855 	uasm_i_mtc0(&p, K0, C0_STATUS);  in kvm_mips_build_ret_to_guest()
894 	uasm_i_sra(&p, K0, V0, 2);  in kvm_mips_build_ret_to_host()
895 	uasm_i_move(&p, V0, K0);  in kvm_mips_build_ret_to_host()
905 	UASM_i_LA_mostly(&p, K0, (long)&hwrena);  in kvm_mips_build_ret_to_host()
906 	uasm_i_lw(&p, K0, uasm_rel_lo((long)&hwrena), K0);  in kvm_mips_build_ret_to_host()
907 	uasm_i_mtc0(&p, K0, C0_HWRENA);  in kvm_mips_build_ret_to_host()