Warning: This file is not a C or C++ file. It does not have highlighting.
| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef __ASM_SH_TRAPS_32_H |
| 3 | #define __ASM_SH_TRAPS_32_H |
| 4 | |
| 5 | #include <linux/types.h> |
| 6 | #include <asm/mmu.h> |
| 7 | |
| 8 | #ifdef CONFIG_CPU_HAS_SR_RB |
| 9 | #define lookup_exception_vector() \ |
| 10 | ({ \ |
| 11 | unsigned long _vec; \ |
| 12 | \ |
| 13 | __asm__ __volatile__ ( \ |
| 14 | "stc r2_bank, %0\n\t" \ |
| 15 | : "=r" (_vec) \ |
| 16 | ); \ |
| 17 | \ |
| 18 | _vec; \ |
| 19 | }) |
| 20 | #else |
| 21 | #define lookup_exception_vector() \ |
| 22 | ({ \ |
| 23 | unsigned long _vec; \ |
| 24 | __asm__ __volatile__ ( \ |
| 25 | "mov r4, %0\n\t" \ |
| 26 | : "=r" (_vec) \ |
| 27 | ); \ |
| 28 | \ |
| 29 | _vec; \ |
| 30 | }) |
| 31 | #endif |
| 32 | |
| 33 | static inline void trigger_address_error(void) |
| 34 | { |
| 35 | __asm__ __volatile__ ( |
| 36 | "ldc %0, sr\n\t" |
| 37 | "mov.l @%1, %0" |
| 38 | : |
| 39 | : "r" (0x10000000), "r" (0x80000001) |
| 40 | ); |
| 41 | } |
| 42 | |
| 43 | asmlinkage void do_address_error(struct pt_regs *regs, |
| 44 | unsigned long writeaccess, |
| 45 | unsigned long address); |
| 46 | asmlinkage void do_divide_error(unsigned long r4); |
| 47 | asmlinkage void do_reserved_inst(void); |
| 48 | asmlinkage void do_illegal_slot_inst(void); |
| 49 | asmlinkage void do_exception_error(void); |
| 50 | |
| 51 | #define BUILD_TRAP_HANDLER(name) \ |
| 52 | asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5, \ |
| 53 | unsigned long r6, unsigned long r7, \ |
| 54 | struct pt_regs __regs) |
| 55 | |
| 56 | #define TRAP_HANDLER_DECL \ |
| 57 | struct pt_regs *regs = RELOC_HIDE(&__regs, 0); \ |
| 58 | unsigned int vec = regs->tra; \ |
| 59 | (void)vec; |
| 60 | |
| 61 | #endif /* __ASM_SH_TRAPS_32_H */ |
| 62 |
Warning: This file is not a C or C++ file. It does not have highlighting.