1 // SPDX-License-Identifier: GPL-2.0-only
5  * Copyright (C) 2012,2013 - ARM Ltd
8  * Based on arch/arm/kvm/emulate.c
9  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
53 		vcpu->arch.ctxt.spsr_abt = val;  in __vcpu_write_spsr_abt()
61 		vcpu->arch.ctxt.spsr_und = val;  in __vcpu_write_spsr_und()
67  * The EL passed to this function *must* be a non-secure, privileged mode with
75  * For the SPSR_ELx layout for AArch64, see ARM DDI 0487E.a page C5-429.
76  * For the SPSR_ELx layout for AArch32, see ARM DDI 0487E.a page C5-426.
119 	if (kvm_has_mte(kern_hyp_va(vcpu->kvm)))  in enter_exception64()
125 	// See ARM DDI 0487E.a, page D5-2579.  in enter_exception64()
128 	// SCTLR_ELx.SPAN is RES1 when ARMv8.1-PAN is not implemented  in enter_exception64()
129 	// See ARM DDI 0487E.a, page D5-2578.  in enter_exception64()
135 	// See ARM DDI 0487E.a, page D2-2452.  in enter_exception64()
138 	// See ARM DDI 0487E.a, page D1-2306.  in enter_exception64()
141 	// See ARM DDI 0487E.a, page D13-3258  in enter_exception64()
146 	// See ARM DDI 0487E.a, pages D1-2293 to D1-2294.  in enter_exception64()
168  * - ARM DDI 0406C.d, page B1-1148
169  * - ARM DDI 0487E.a, page G8-6264
172  * - ARM DDI 0487E.a, page C5-426
198 	// See ARM DDI 0487E.a, page G8-6244  in get_except32_cpsr()
203 	// SCTLR.SPAN is RES1 when ARMv8.1-PAN is not implemented  in get_except32_cpsr()
204 	// See ARM DDI 0487E.a, page G8-6246  in get_except32_cpsr()
212 	// See ARM DDI 0487E.a, page G1-5527  in get_except32_cpsr()
220 	// See ARM DDI 0487E.a, page G8-6245  in get_except32_cpsr()
221 	// See ARM DDI 0406C.d, page B4-1701  in get_except32_cpsr()
227 	// See ARM DDI 0487E.a, pages G1-5515 to G1-5516  in get_except32_cpsr()
228 	// See ARM DDI 0406C.d, page B1-1182  in get_except32_cpsr()
234 	// See ARM DDI 0487E.a, pages G1-5515 to G1-5516  in get_except32_cpsr()
235 	// See ARM DDI 0406C.d, page B1-1182  in get_except32_cpsr()
238 	// CPSR.F is set upon an exception to FIQ  in get_except32_cpsr()
240 	// See ARM DDI 0487E.a, pages G1-5515 to G1-5516  in get_except32_cpsr()
241 	// See ARM DDI 0406C.d, page B1-1182  in get_except32_cpsr()
247 	// See ARM DDI 0487E.a, page G8-5514  in get_except32_cpsr()
248 	// See ARM DDI 0406C.d, page B1-1181  in get_except32_cpsr()
258  * Table taken from ARMv8 ARM DDI0487B-B, table G1-10.
268 	[7] = { 4, 4 },		/* FIQ, unused */
286 		vcpu_gp_regs(vcpu)->compat_lr_abt = return_address;  in enter_exception32()
291 		vcpu_gp_regs(vcpu)->compat_lr_und = return_address;  in enter_exception32()