162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci 362306a36Sopenharmony_ci#ifndef __ASM_SPECTRE_H 462306a36Sopenharmony_ci#define __ASM_SPECTRE_H 562306a36Sopenharmony_ci 662306a36Sopenharmony_cienum { 762306a36Sopenharmony_ci SPECTRE_UNAFFECTED, 862306a36Sopenharmony_ci SPECTRE_MITIGATED, 962306a36Sopenharmony_ci SPECTRE_VULNERABLE, 1062306a36Sopenharmony_ci}; 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cienum { 1362306a36Sopenharmony_ci __SPECTRE_V2_METHOD_BPIALL, 1462306a36Sopenharmony_ci __SPECTRE_V2_METHOD_ICIALLU, 1562306a36Sopenharmony_ci __SPECTRE_V2_METHOD_SMC, 1662306a36Sopenharmony_ci __SPECTRE_V2_METHOD_HVC, 1762306a36Sopenharmony_ci __SPECTRE_V2_METHOD_LOOP8, 1862306a36Sopenharmony_ci}; 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_cienum { 2162306a36Sopenharmony_ci SPECTRE_V2_METHOD_BPIALL = BIT(__SPECTRE_V2_METHOD_BPIALL), 2262306a36Sopenharmony_ci SPECTRE_V2_METHOD_ICIALLU = BIT(__SPECTRE_V2_METHOD_ICIALLU), 2362306a36Sopenharmony_ci SPECTRE_V2_METHOD_SMC = BIT(__SPECTRE_V2_METHOD_SMC), 2462306a36Sopenharmony_ci SPECTRE_V2_METHOD_HVC = BIT(__SPECTRE_V2_METHOD_HVC), 2562306a36Sopenharmony_ci SPECTRE_V2_METHOD_LOOP8 = BIT(__SPECTRE_V2_METHOD_LOOP8), 2662306a36Sopenharmony_ci}; 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci#ifdef CONFIG_GENERIC_CPU_VULNERABILITIES 2962306a36Sopenharmony_civoid spectre_v2_update_state(unsigned int state, unsigned int methods); 3062306a36Sopenharmony_ci#else 3162306a36Sopenharmony_cistatic inline void spectre_v2_update_state(unsigned int state, 3262306a36Sopenharmony_ci unsigned int methods) 3362306a36Sopenharmony_ci{} 3462306a36Sopenharmony_ci#endif 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ciint spectre_bhb_update_vectors(unsigned int method); 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_civoid cpu_v7_ca8_ibe(void); 3962306a36Sopenharmony_civoid cpu_v7_ca15_ibe(void); 4062306a36Sopenharmony_civoid cpu_v7_bugs_init(void); 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci#endif 43