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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SH_TRAPS_32_H #define __ASM_SH_TRAPS_32_H #include <linux/types.h> #include <asm/mmu.h> #ifdef CONFIG_CPU_HAS_SR_RB #define lookup_exception_vector() \ ({ \ unsigned long _vec; \ \ __asm__ __volatile__ ( \ "stc r2_bank, %0\n\t" \ : "=r" (_vec) \ ); \ \ _vec; \ }) #else #define lookup_exception_vector() \ ({ \ unsigned long _vec; \ __asm__ __volatile__ ( \ "mov r4, %0\n\t" \ : "=r" (_vec) \ ); \ \ _vec; \ }) #endif static inline void trigger_address_error(void) { __asm__ __volatile__ ( "ldc %0, sr\n\t" "mov.l @%1, %0" : : "r" (0x10000000), "r" (0x80000001) ); } asmlinkage void do_address_error(struct pt_regs *regs, unsigned long writeaccess, unsigned long address); asmlinkage void do_divide_error(unsigned long r4); asmlinkage void do_reserved_inst(void); asmlinkage void do_illegal_slot_inst(void); asmlinkage void do_exception_error(void); #define BUILD_TRAP_HANDLER(name) \ asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5, \ unsigned long r6, unsigned long r7, \ struct pt_regs __regs) #define TRAP_HANDLER_DECL \ struct pt_regs *regs = RELOC_HIDE(&__regs, 0); \ unsigned int vec = regs->tra; \ (void)vec; #endif /* __ASM_SH_TRAPS_32_H */
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