48  * riscv_isa_extension_base() - Get base extension word
51  * Return: base extension word as unsigned long value
62  * __riscv_isa_extension_available() - Check whether given extension
66  * @bit: bit position of the desired extension
129 	 * Due to extension ordering, d is checked before f, so no deferral  in riscv_ext_f_validate()
372  * privileged ISA, the existence of the CSRs is implied by any extension which
373  * specifies [ms]envcfg bit(s). Hence, we define a custom ISA extension for the
396  * The canonical order of ISA extension names in the ISA string is defined in
412  *    closely related alphabetical extension category, IMAFDQLCBKJTPVH.
553  * well as correct extension dependencies. Some extensions depends on specific
584 					/* Disable the extension entirely */  in riscv_resolve_isa()
635 			 * To skip an extension, we find its end.  in riscv_parse_isa_string()
637 			 * extensions with an "_", the end of a multi-letter extension will  in riscv_parse_isa_string()
639 			 * multi-letter extension.  in riscv_parse_isa_string()
650 			 * multi-letter extension in the ISA string begins with  in riscv_parse_isa_string()
663 			 * Before attempting to parse the extension itself, we find its end.  in riscv_parse_isa_string()
665 			 * extensions with an "_", the end of a multi-letter extension will  in riscv_parse_isa_string()
667 			 * multi-letter extension.  in riscv_parse_isa_string()
671 			 * the end of the extension, removing any numbers. This may be a  in riscv_parse_isa_string()
676 			 * name portion of an extension, but will be decremented to the last  in riscv_parse_isa_string()
711 			 * that it arrived at the start of the next extension.  in riscv_parse_isa_string()
714 			 * we have a multi-letter extension's _, or the start of an  in riscv_parse_isa_string()
715 			 * extension.  in riscv_parse_isa_string()
717 			 * Otherwise we have found the current extension's major version  in riscv_parse_isa_string()
719 			 * if present. The `p` extension must not appear immediately after  in riscv_parse_isa_string()
750 		 * first character of the next extension. As we stop parsing an extension  in riscv_parse_isa_string()
752 		 * where the succeeding extension is a multi-letter prefixed with an "_".  in riscv_parse_isa_string()
1015 		pr_warn("Unsupported heterogeneous vlenb detected, vector extension disabled.\n");  in riscv_fill_hwcap_from_ext_list()
1168 		 * RISCV_ISA_EXT_MAX is interpreted as a standard extension.  in riscv_cpufeature_patch_func()
1172 		 * vendor extension.  in riscv_cpufeature_patch_func()
1193 			WARN(1, "This extension id:%d is not in ISA extension list", id);  in riscv_cpufeature_patch_func()