/* SPDX-License-Identifier: GPL-2.0 */#ifndef __ASM_ASM_POINTER_AUTH_H#define __ASM_ASM_POINTER_AUTH_H #include <asm/alternative.h>#include <asm/asm-offsets.h>#include <asm/cpufeature.h>#include <asm/sysreg.h> #ifdef CONFIG_ARM64_PTR_AUTH/* * thread.keys_user.ap* as offset exceeds the #imm offset range * so use the base value of ldp as thread.keys_user and offset as * thread.keys_user.ap*. */	.macro ptrauth_keys_install_user tsk, tmp1, tmp2, tmp3	mov	\tmp1, #THREAD_KEYS_USER	add	\tmp1, \tsk, \tmp1alternative_if_not ARM64_HAS_ADDRESS_AUTH	b	.Laddr_auth_skip_\@alternative_else_nop_endif	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APIA]	msr_s	SYS_APIAKEYLO_EL1, \tmp2	msr_s	SYS_APIAKEYHI_EL1, \tmp3	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APIB]	msr_s	SYS_APIBKEYLO_EL1, \tmp2	msr_s	SYS_APIBKEYHI_EL1, \tmp3	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APDA]	msr_s	SYS_APDAKEYLO_EL1, \tmp2	msr_s	SYS_APDAKEYHI_EL1, \tmp3	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APDB]	msr_s	SYS_APDBKEYLO_EL1, \tmp2	msr_s	SYS_APDBKEYHI_EL1, \tmp3.Laddr_auth_skip_\@:alternative_if ARM64_HAS_GENERIC_AUTH	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APGA]	msr_s	SYS_APGAKEYLO_EL1, \tmp2	msr_s	SYS_APGAKEYHI_EL1, \tmp3alternative_else_nop_endif	.endm 	.macro ptrauth_keys_install_kernel tsk, sync, tmp1, tmp2, tmp3alternative_if ARM64_HAS_ADDRESS_AUTH	mov	\tmp1, #THREAD_KEYS_KERNEL	add	\tmp1, \tsk, \tmp1	ldp	\tmp2, \tmp3, [\tmp1, #PTRAUTH_KERNEL_KEY_APIA]	msr_s	SYS_APIAKEYLO_EL1, \tmp2	msr_s	SYS_APIAKEYHI_EL1, \tmp3	.if     \sync == 1	isb	.endifalternative_else_nop_endif	.endm #else /* CONFIG_ARM64_PTR_AUTH */ 	.macro ptrauth_keys_install_user tsk, tmp1, tmp2, tmp3	.endm 	.macro ptrauth_keys_install_kernel tsk, sync, tmp1, tmp2, tmp3	.endm #endif /* CONFIG_ARM64_PTR_AUTH */ #endif /* __ASM_ASM_POINTER_AUTH_H */