Lines Matching full:regs
59 struct pt_regs *regs, const char *loglvl);
85 static void print_gr(const char *level, struct pt_regs *regs) in print_gr() argument
92 printbinary(buf, regs->gr[0], 32); in print_gr()
96 PRINTREGS(level, regs->gr, "r", RFMT, i); in print_gr()
99 static void print_fr(const char *level, struct pt_regs *regs) in print_fr() argument
123 PRINTREGS(level, regs->fr, "fr", FFMT, i); in print_fr()
126 void show_regs(struct pt_regs *regs) in show_regs() argument
132 user = user_mode(regs); in show_regs()
137 print_gr(level, regs); in show_regs()
140 PRINTREGS(level, regs->sr, "sr", RFMT, i); in show_regs()
143 print_fr(level, regs); in show_regs()
149 level, regs->iasq[0], regs->iasq[1], regs->iaoq[0], regs->iaoq[1]); in show_regs()
151 level, regs->iir, regs->isr, regs->ior); in show_regs()
154 printk("%s ORIG_R28: " RFMT "\n", level, regs->orig_r28); in show_regs()
157 printk("%s IAOQ[0]: " RFMT "\n", level, regs->iaoq[0]); in show_regs()
158 printk("%s IAOQ[1]: " RFMT "\n", level, regs->iaoq[1]); in show_regs()
159 printk("%s RP(r2): " RFMT "\n", level, regs->gr[2]); in show_regs()
161 printk("%s IAOQ[0]: %pS\n", level, (void *) regs->iaoq[0]); in show_regs()
162 printk("%s IAOQ[1]: %pS\n", level, (void *) regs->iaoq[1]); in show_regs()
163 printk("%s RP(r2): %pS\n", level, (void *) regs->gr[2]); in show_regs()
165 parisc_show_stack(current, regs, KERN_DEFAULT); in show_regs()
172 #define parisc_printk_ratelimited(critical, regs, fmt, ...) { \ argument
175 show_regs(regs); \
199 struct pt_regs *regs, const char *loglvl) in parisc_show_stack() argument
203 unwind_frame_init_task(&info, task, regs); in parisc_show_stack()
218 void die_if_kernel(char *str, struct pt_regs *regs, long err) in die_if_kernel() argument
220 if (user_mode(regs)) { in die_if_kernel()
224 parisc_printk_ratelimited(1, regs, in die_if_kernel()
226 current->comm, task_pid_nr(current), str, err, regs->iaoq[0]); in die_if_kernel()
260 show_regs(regs); in die_if_kernel()
276 static void handle_gdb_break(struct pt_regs *regs, int wot) in handle_gdb_break() argument
279 (void __user *) (regs->iaoq[0] & ~3)); in handle_gdb_break()
282 static void handle_break(struct pt_regs *regs) in handle_break() argument
284 unsigned iir = regs->iir; in handle_break()
286 if (unlikely(iir == PARISC_BUG_BREAK_INSN && !user_mode(regs))) { in handle_break()
289 tt = report_bug(regs->iaoq[0] & ~3, regs); in handle_break()
291 regs->iaoq[0] += 4; in handle_break()
292 regs->iaoq[1] += 4; in handle_break()
295 die_if_kernel("Unknown kernel breakpoint", regs, in handle_break()
300 if (unlikely(iir == PARISC_KPROBES_BREAK_INSN && !user_mode(regs))) { in handle_break()
301 parisc_kprobe_break_handler(regs); in handle_break()
304 if (unlikely(iir == PARISC_KPROBES_BREAK_INSN2 && !user_mode(regs))) { in handle_break()
305 parisc_kprobe_ss_handler(regs); in handle_break()
312 iir == PARISC_KGDB_BREAK_INSN)) && !user_mode(regs)) { in handle_break()
313 kgdb_handle_exception(9, SIGTRAP, 0, regs); in handle_break()
319 if ((iir == SPINLOCK_BREAK_INSN) && !user_mode(regs)) { in handle_break()
320 die_if_kernel("Spinlock was trashed", regs, 1); in handle_break()
325 parisc_printk_ratelimited(0, regs, in handle_break()
331 handle_gdb_break(regs, TRAP_BRKPT); in handle_break()
334 static void default_trap(int code, struct pt_regs *regs) in default_trap() argument
337 show_regs(regs); in default_trap()
340 static void transfer_pim_to_trap_frame(struct pt_regs *regs) in transfer_pim_to_trap_frame() argument
358 regs->gr[0] = pim_wide->cr[22]; in transfer_pim_to_trap_frame()
361 regs->gr[i] = pim_wide->gr[i]; in transfer_pim_to_trap_frame()
364 regs->fr[i] = pim_wide->fr[i]; in transfer_pim_to_trap_frame()
367 regs->sr[i] = pim_wide->sr[i]; in transfer_pim_to_trap_frame()
369 regs->iasq[0] = pim_wide->cr[17]; in transfer_pim_to_trap_frame()
370 regs->iasq[1] = pim_wide->iasq_back; in transfer_pim_to_trap_frame()
371 regs->iaoq[0] = pim_wide->cr[18]; in transfer_pim_to_trap_frame()
372 regs->iaoq[1] = pim_wide->iaoq_back; in transfer_pim_to_trap_frame()
374 regs->sar = pim_wide->cr[11]; in transfer_pim_to_trap_frame()
375 regs->iir = pim_wide->cr[19]; in transfer_pim_to_trap_frame()
376 regs->isr = pim_wide->cr[20]; in transfer_pim_to_trap_frame()
377 regs->ior = pim_wide->cr[21]; in transfer_pim_to_trap_frame()
382 regs->gr[0] = pim_narrow->cr[22]; in transfer_pim_to_trap_frame()
385 regs->gr[i] = pim_narrow->gr[i]; in transfer_pim_to_trap_frame()
388 regs->fr[i] = pim_narrow->fr[i]; in transfer_pim_to_trap_frame()
391 regs->sr[i] = pim_narrow->sr[i]; in transfer_pim_to_trap_frame()
393 regs->iasq[0] = pim_narrow->cr[17]; in transfer_pim_to_trap_frame()
394 regs->iasq[1] = pim_narrow->iasq_back; in transfer_pim_to_trap_frame()
395 regs->iaoq[0] = pim_narrow->cr[18]; in transfer_pim_to_trap_frame()
396 regs->iaoq[1] = pim_narrow->iaoq_back; in transfer_pim_to_trap_frame()
398 regs->sar = pim_narrow->cr[11]; in transfer_pim_to_trap_frame()
399 regs->iir = pim_narrow->cr[19]; in transfer_pim_to_trap_frame()
400 regs->isr = pim_narrow->cr[20]; in transfer_pim_to_trap_frame()
401 regs->ior = pim_narrow->cr[21]; in transfer_pim_to_trap_frame()
409 regs->ksp = 0; in transfer_pim_to_trap_frame()
410 regs->kpc = 0; in transfer_pim_to_trap_frame()
411 regs->orig_r28 = 0; in transfer_pim_to_trap_frame()
420 void parisc_terminate(char *msg, struct pt_regs *regs, int code, unsigned long offset) in parisc_terminate() argument
424 (void)notify_die(DIE_OOPS, msg, regs, 0, code, SIGTRAP); in parisc_terminate()
438 transfer_pim_to_trap_frame(regs); in parisc_terminate()
447 /* show_stack(NULL, (unsigned long *)regs->gr[30]); */ in parisc_terminate()
449 unwind_frame_init(&info, current, regs); in parisc_terminate()
456 show_regs(regs); in parisc_terminate()
477 void notrace handle_interruption(int code, struct pt_regs *regs) in handle_interruption() argument
483 if (!irqs_disabled_flags(regs->gr[0])) in handle_interruption()
506 if (((unsigned long)regs->iaoq[0] & 3) && in handle_interruption()
507 ((unsigned long)regs->iasq[0] != (unsigned long)regs->sr[7])) { in handle_interruption()
509 regs->iaoq[0] = 0 | PRIV_USER; in handle_interruption()
510 regs->iaoq[1] = regs->iaoq[0] + 4; in handle_interruption()
511 regs->iasq[0] = regs->iasq[1] = regs->sr[7]; in handle_interruption()
512 regs->gr[0] &= ~PSW_B; in handle_interruption()
529 regs, code, 0); in handle_interruption()
539 regs->gr[0] &= ~PSW_R; in handle_interruption()
543 kgdb_handle_exception(0, SIGTRAP, 0, regs); in handle_interruption()
548 if (user_space(regs)) in handle_interruption()
549 handle_gdb_break(regs, TRAP_TRACE); in handle_interruption()
559 default_trap(code, regs); in handle_interruption()
564 fault_address = regs->iaoq[0]; in handle_interruption()
565 fault_space = regs->iasq[0]; in handle_interruption()
570 die_if_kernel("Illegal instruction", regs, code); in handle_interruption()
576 handle_break(regs); in handle_interruption()
581 die_if_kernel("Privileged operation", regs, code); in handle_interruption()
587 if ((regs->iir & 0xffdfffe0) == 0x034008a0) { in handle_interruption()
593 if (regs->iir & 0x00200000) in handle_interruption()
594 regs->gr[regs->iir & 0x1f] = mfctl(27); in handle_interruption()
596 regs->gr[regs->iir & 0x1f] = mfctl(26); in handle_interruption()
598 regs->iaoq[0] = regs->iaoq[1]; in handle_interruption()
599 regs->iaoq[1] += 4; in handle_interruption()
600 regs->iasq[0] = regs->iasq[1]; in handle_interruption()
604 die_if_kernel("Privileged register usage", regs, code); in handle_interruption()
608 (void __user *) regs->iaoq[0]); in handle_interruption()
614 (void __user *) regs->iaoq[0]); in handle_interruption()
621 if(user_mode(regs)){ in handle_interruption()
626 (void __user *) regs->iaoq[0]); in handle_interruption()
634 die_if_kernel("Floating point exception", regs, 0); /* quiet */ in handle_interruption()
636 handle_fpe(regs); in handle_interruption()
659 if (code == 17 && handle_nadtlb_fault(regs)) in handle_interruption()
661 fault_address = regs->ior; in handle_interruption()
662 fault_space = regs->isr; in handle_interruption()
668 if (check_unaligned(regs)) { in handle_interruption()
669 handle_unaligned(regs); in handle_interruption()
675 fault_address = regs->ior; in handle_interruption()
676 fault_space = regs->isr; in handle_interruption()
681 regs->gr[0] |= PSW_X; /* So we can single-step over the trap */ in handle_interruption()
685 handle_gdb_break(regs, TRAP_HWBKPT); in handle_interruption()
690 regs->gr[0] &= ~PSW_T; in handle_interruption()
691 if (user_space(regs)) in handle_interruption()
692 handle_gdb_break(regs, TRAP_BRANCH); in handle_interruption()
713 if (user_mode(regs)) { in handle_interruption()
717 vma = find_vma(current->mm,regs->iaoq[0]); in handle_interruption()
718 if (vma && (regs->iaoq[0] >= vma->vm_start) in handle_interruption()
721 fault_address = regs->iaoq[0]; in handle_interruption()
722 fault_space = regs->iasq[0]; in handle_interruption()
730 regs->iir = 0xbaadf00d; in handle_interruption()
734 if (code == 27 && !user_mode(regs) && in handle_interruption()
735 fixup_exception(regs)) in handle_interruption()
738 die_if_kernel("Protection id trap", regs, code); in handle_interruption()
741 ((void __user *) regs->iaoq[0]) : in handle_interruption()
742 ((void __user *) regs->ior)); in handle_interruption()
747 handle_unaligned(regs); in handle_interruption()
751 if (user_mode(regs)) { in handle_interruption()
752 parisc_printk_ratelimited(0, regs, KERN_DEBUG in handle_interruption()
757 (void __user *)regs->ior); in handle_interruption()
762 parisc_terminate("Unexpected interruption", regs, code, 0); in handle_interruption()
766 if (user_mode(regs)) { in handle_interruption()
767 if ((fault_space >> SPACEID_SHIFT) != (regs->sr[7] >> SPACEID_SHIFT)) { in handle_interruption()
768 parisc_printk_ratelimited(0, regs, KERN_DEBUG in handle_interruption()
773 (void __user *)regs->ior); in handle_interruption()
787 if (fixup_exception(regs)) in handle_interruption()
791 parisc_acctyp(code, regs->iir) == VM_WRITE, regs)) in handle_interruption()
794 parisc_terminate("Kernel Fault", regs, code, fault_address); in handle_interruption()
798 do_page_fault(regs, code, fault_address); in handle_interruption()