arch/riscv/include/asm/asm-prototypes.h

   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 */