1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_RISCV_PROTOTYPES_H 3 #define _ASM_RISCV_PROTOTYPES_H 4 5 #include <linux/ftrace.h> 6 #include <asm-generic/asm-prototypes.h> 7 8 long long __lshrti3(long long a, int b); 9 long long __ashrti3(long long a, int b); 10 long long __ashlti3(long long a, int b); 11 12 #ifdef CONFIG_RISCV_ISA_V 13 14 #ifdef CONFIG_MMU 15 asmlinkage int enter_vector_usercopy(void *dst, void *src, size_t n); 16 #endif /* CONFIG_MMU */ 17 18 void xor_regs_2_(unsigned long bytes, unsigned long *__restrict p1, 19 const unsigned long *__restrict p2); 20 void xor_regs_3_(unsigned long bytes, unsigned long *__restrict p1, 21 const unsigned long *__restrict p2, 22 const unsigned long *__restrict p3); 23 void xor_regs_4_(unsigned long bytes, unsigned long *__restrict p1, 24 const unsigned long *__restrict p2, 25 const unsigned long *__restrict p3, 26 const unsigned long *__restrict p4); 27 void xor_regs_5_(unsigned long bytes, unsigned long *__restrict p1, 28 const unsigned long *__restrict p2, 29 const unsigned long *__restrict p3, 30 const unsigned long *__restrict p4, 31 const unsigned long *__restrict p5); 32 33 #ifdef CONFIG_RISCV_ISA_V_PREEMPTIVE 34 asmlinkage void riscv_v_context_nesting_start(struct pt_regs *regs); 35 asmlinkage void riscv_v_context_nesting_end(struct pt_regs *regs); 36 #endif /* CONFIG_RISCV_ISA_V_PREEMPTIVE */ 37 38 #endif /* CONFIG_RISCV_ISA_V */ 39 40 #define DECLARE_DO_ERROR_INFO(name) asmlinkage void name(struct pt_regs *regs) 41 42 DECLARE_DO_ERROR_INFO(do_trap_unknown); 43 DECLARE_DO_ERROR_INFO(do_trap_insn_misaligned); 44 DECLARE_DO_ERROR_INFO(do_trap_insn_fault); 45 DECLARE_DO_ERROR_INFO(do_trap_insn_illegal); 46 DECLARE_DO_ERROR_INFO(do_trap_load_fault); 47 DECLARE_DO_ERROR_INFO(do_trap_load_misaligned); 48 DECLARE_DO_ERROR_INFO(do_trap_store_misaligned); 49 DECLARE_DO_ERROR_INFO(do_trap_store_fault); 50 DECLARE_DO_ERROR_INFO(do_trap_ecall_u); 51 DECLARE_DO_ERROR_INFO(do_trap_ecall_s); 52 DECLARE_DO_ERROR_INFO(do_trap_ecall_m); 53 DECLARE_DO_ERROR_INFO(do_trap_break); 54 55 asmlinkage void handle_bad_stack(struct pt_regs *regs); 56 asmlinkage void do_page_fault(struct pt_regs *regs); 57 asmlinkage void do_irq(struct pt_regs *regs); 58 59 #endif /* _ASM_RISCV_PROTOTYPES_H */ 60