diff options
Diffstat (limited to 'arch/m32r/kernel')
-rw-r--r-- | arch/m32r/kernel/entry.S | 9 | ||||
-rw-r--r-- | arch/m32r/kernel/traps.c | 33 |
2 files changed, 25 insertions, 17 deletions
diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index dddbf6b5ed2c..85920fb8d08c 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S | |||
@@ -681,6 +681,15 @@ ENTRY(debug_trap) | |||
681 | bl do_debug_trap | 681 | bl do_debug_trap |
682 | bra error_code | 682 | bra error_code |
683 | 683 | ||
684 | ENTRY(ill_trap) | ||
685 | /* void ill_trap(void) */ | ||
686 | SWITCH_TO_KERNEL_STACK | ||
687 | SAVE_ALL | ||
688 | ldi r1, #0 ; error_code ; FIXME | ||
689 | mv r0, sp ; pt_regs | ||
690 | bl do_ill_trap | ||
691 | bra error_code | ||
692 | |||
684 | 693 | ||
685 | /* Cache flushing handler */ | 694 | /* Cache flushing handler */ |
686 | ENTRY(cache_flushing_handler) | 695 | ENTRY(cache_flushing_handler) |
diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c index 01922271d17e..5fe8ed6d62dc 100644 --- a/arch/m32r/kernel/traps.c +++ b/arch/m32r/kernel/traps.c | |||
@@ -5,8 +5,6 @@ | |||
5 | * Hitoshi Yamamoto | 5 | * Hitoshi Yamamoto |
6 | */ | 6 | */ |
7 | 7 | ||
8 | /* $Id$ */ | ||
9 | |||
10 | /* | 8 | /* |
11 | * 'traps.c' handles hardware traps and faults after we have saved some | 9 | * 'traps.c' handles hardware traps and faults after we have saved some |
12 | * state in 'entry.S'. | 10 | * state in 'entry.S'. |
@@ -35,6 +33,7 @@ asmlinkage void ei_handler(void); | |||
35 | asmlinkage void rie_handler(void); | 33 | asmlinkage void rie_handler(void); |
36 | asmlinkage void debug_trap(void); | 34 | asmlinkage void debug_trap(void); |
37 | asmlinkage void cache_flushing_handler(void); | 35 | asmlinkage void cache_flushing_handler(void); |
36 | asmlinkage void ill_trap(void); | ||
38 | 37 | ||
39 | #ifdef CONFIG_SMP | 38 | #ifdef CONFIG_SMP |
40 | extern void smp_reschedule_interrupt(void); | 39 | extern void smp_reschedule_interrupt(void); |
@@ -77,22 +76,22 @@ void set_eit_vector_entries(void) | |||
77 | eit_vector[5] = BRA_INSN(default_eit_handler, 5); | 76 | eit_vector[5] = BRA_INSN(default_eit_handler, 5); |
78 | eit_vector[8] = BRA_INSN(rie_handler, 8); | 77 | eit_vector[8] = BRA_INSN(rie_handler, 8); |
79 | eit_vector[12] = BRA_INSN(alignment_check, 12); | 78 | eit_vector[12] = BRA_INSN(alignment_check, 12); |
80 | eit_vector[16] = 0xff000000UL; | 79 | eit_vector[16] = BRA_INSN(ill_trap, 16); |
81 | eit_vector[17] = BRA_INSN(debug_trap, 17); | 80 | eit_vector[17] = BRA_INSN(debug_trap, 17); |
82 | eit_vector[18] = BRA_INSN(system_call, 18); | 81 | eit_vector[18] = BRA_INSN(system_call, 18); |
83 | eit_vector[19] = 0xff000000UL; | 82 | eit_vector[19] = BRA_INSN(ill_trap, 19); |
84 | eit_vector[20] = 0xff000000UL; | 83 | eit_vector[20] = BRA_INSN(ill_trap, 20); |
85 | eit_vector[21] = 0xff000000UL; | 84 | eit_vector[21] = BRA_INSN(ill_trap, 21); |
86 | eit_vector[22] = 0xff000000UL; | 85 | eit_vector[22] = BRA_INSN(ill_trap, 22); |
87 | eit_vector[23] = 0xff000000UL; | 86 | eit_vector[23] = BRA_INSN(ill_trap, 23); |
88 | eit_vector[24] = 0xff000000UL; | 87 | eit_vector[24] = BRA_INSN(ill_trap, 24); |
89 | eit_vector[25] = 0xff000000UL; | 88 | eit_vector[25] = BRA_INSN(ill_trap, 25); |
90 | eit_vector[26] = 0xff000000UL; | 89 | eit_vector[26] = BRA_INSN(ill_trap, 26); |
91 | eit_vector[27] = 0xff000000UL; | 90 | eit_vector[27] = BRA_INSN(ill_trap, 27); |
92 | eit_vector[28] = BRA_INSN(cache_flushing_handler, 28); | 91 | eit_vector[28] = BRA_INSN(cache_flushing_handler, 28); |
93 | eit_vector[29] = 0xff000000UL; | 92 | eit_vector[29] = BRA_INSN(ill_trap, 29); |
94 | eit_vector[30] = 0xff000000UL; | 93 | eit_vector[30] = BRA_INSN(ill_trap, 30); |
95 | eit_vector[31] = 0xff000000UL; | 94 | eit_vector[31] = BRA_INSN(ill_trap, 31); |
96 | eit_vector[32] = BRA_INSN(ei_handler, 32); | 95 | eit_vector[32] = BRA_INSN(ei_handler, 32); |
97 | eit_vector[64] = BRA_INSN(pie_handler, 64); | 96 | eit_vector[64] = BRA_INSN(pie_handler, 64); |
98 | #ifdef CONFIG_MMU | 97 | #ifdef CONFIG_MMU |
@@ -286,7 +285,8 @@ asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ | |||
286 | 285 | ||
287 | DO_ERROR( 1, SIGTRAP, "debug trap", debug_trap) | 286 | DO_ERROR( 1, SIGTRAP, "debug trap", debug_trap) |
288 | DO_ERROR_INFO(0x20, SIGILL, "reserved instruction ", rie_handler, ILL_ILLOPC, regs->bpc) | 287 | DO_ERROR_INFO(0x20, SIGILL, "reserved instruction ", rie_handler, ILL_ILLOPC, regs->bpc) |
289 | DO_ERROR_INFO(0x100, SIGILL, "privilege instruction", pie_handler, ILL_PRVOPC, regs->bpc) | 288 | DO_ERROR_INFO(0x100, SIGILL, "privileged instruction", pie_handler, ILL_PRVOPC, regs->bpc) |
289 | DO_ERROR_INFO(-1, SIGILL, "illegal trap", ill_trap, ILL_ILLTRP, regs->bpc) | ||
290 | 290 | ||
291 | extern int handle_unaligned_access(unsigned long, struct pt_regs *); | 291 | extern int handle_unaligned_access(unsigned long, struct pt_regs *); |
292 | 292 | ||
@@ -329,4 +329,3 @@ asmlinkage void do_alignment_check(struct pt_regs *regs, long error_code) | |||
329 | set_fs(oldfs); | 329 | set_fs(oldfs); |
330 | } | 330 | } |
331 | } | 331 | } |
332 | |||