1 /* 2 * SPDX-License-Identifier: GPL-2.0-or-later 3 * Host specific cpu identification for RISC-V. 4 */ 5 6 #ifndef HOST_CPUINFO_H 7 #define HOST_CPUINFO_H 8 9 #define CPUINFO_ALWAYS (1u << 0) /* so cpuinfo is nonzero */ 10 #define CPUINFO_ZBA (1u << 1) 11 #define CPUINFO_ZBB (1u << 2) 12 #define CPUINFO_ZBS (1u << 3) 13 #define CPUINFO_ZICOND (1u << 4) 14 #define CPUINFO_ZVE64X (1u << 5) 15 16 /* Initialized with a constructor. */ 17 extern unsigned cpuinfo; 18 extern unsigned riscv_lg2_vlenb; 19 20 /* 21 * We cannot rely on constructor ordering, so other constructors must 22 * use the function interface rather than the variable above. 23 */ 24 unsigned cpuinfo_init(void); 25 26 #endif /* HOST_CPUINFO_H */ 27