diff options
Diffstat (limited to 'host/include/riscv/host/cpuinfo.h')
-rw-r--r-- | host/include/riscv/host/cpuinfo.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/host/include/riscv/host/cpuinfo.h b/host/include/riscv/host/cpuinfo.h new file mode 100644 index 0000000..b2b53db --- /dev/null +++ b/host/include/riscv/host/cpuinfo.h @@ -0,0 +1,26 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + * Host specific cpu identification for RISC-V. + */ + +#ifndef HOST_CPUINFO_H +#define HOST_CPUINFO_H + +#define CPUINFO_ALWAYS (1u << 0) /* so cpuinfo is nonzero */ +#define CPUINFO_ZBA (1u << 1) +#define CPUINFO_ZBB (1u << 2) +#define CPUINFO_ZBS (1u << 3) +#define CPUINFO_ZICOND (1u << 4) +#define CPUINFO_ZVE64X (1u << 5) + +/* Initialized with a constructor. */ +extern unsigned cpuinfo; +extern unsigned riscv_lg2_vlenb; + +/* + * We cannot rely on constructor ordering, so other constructors must + * use the function interface rather than the variable above. + */ +unsigned cpuinfo_init(void); + +#endif /* HOST_CPUINFO_H */ |