Lines Matching refs:regs
49 struct pt_regs *regs);
75 static void print_gr(char *level, struct pt_regs *regs) in print_gr() argument
82 printbinary(buf, regs->gr[0], 32); in print_gr()
86 PRINTREGS(level, regs->gr, "r", RFMT, i); in print_gr()
89 static void print_fr(char *level, struct pt_regs *regs) in print_fr() argument
113 PRINTREGS(level, regs->fr, "fr", FFMT, i); in print_fr()
116 void show_regs(struct pt_regs *regs) in show_regs() argument
122 user = user_mode(regs); in show_regs()
127 print_gr(level, regs); in show_regs()
130 PRINTREGS(level, regs->sr, "sr", RFMT, i); in show_regs()
133 print_fr(level, regs); in show_regs()
139 level, regs->iasq[0], regs->iasq[1], regs->iaoq[0], regs->iaoq[1]); in show_regs()
141 level, regs->iir, regs->isr, regs->ior); in show_regs()
144 printk("%s ORIG_R28: " RFMT "\n", level, regs->orig_r28); in show_regs()
147 printk("%s IAOQ[0]: " RFMT "\n", level, regs->iaoq[0]); in show_regs()
148 printk("%s IAOQ[1]: " RFMT "\n", level, regs->iaoq[1]); in show_regs()
149 printk("%s RP(r2): " RFMT "\n", level, regs->gr[2]); in show_regs()
151 printk("%s IAOQ[0]: %pS\n", level, (void *) regs->iaoq[0]); in show_regs()
152 printk("%s IAOQ[1]: %pS\n", level, (void *) regs->iaoq[1]); in show_regs()
153 printk("%s RP(r2): %pS\n", level, (void *) regs->gr[2]); in show_regs()
155 parisc_show_stack(current, NULL, regs); in show_regs()
162 #define parisc_printk_ratelimited(critical, regs, fmt, ...) { \ argument
165 show_regs(regs); \
189 struct pt_regs *regs) in parisc_show_stack() argument
195 if (regs) { in parisc_show_stack()
196 unwind_frame_init(&info, t, regs); in parisc_show_stack()
233 void die_if_kernel(char *str, struct pt_regs *regs, long err) in die_if_kernel() argument
235 if (user_mode(regs)) { in die_if_kernel()
239 parisc_printk_ratelimited(1, regs, in die_if_kernel()
241 current->comm, task_pid_nr(current), str, err, regs->iaoq[0]); in die_if_kernel()
282 show_regs(regs); in die_if_kernel()
298 static void handle_gdb_break(struct pt_regs *regs, int wot) in handle_gdb_break() argument
305 si.si_addr = (void __user *) (regs->iaoq[0] & ~3); in handle_gdb_break()
309 static void handle_break(struct pt_regs *regs) in handle_break() argument
311 unsigned iir = regs->iir; in handle_break()
313 if (unlikely(iir == PARISC_BUG_BREAK_INSN && !user_mode(regs))) { in handle_break()
316 tt = report_bug(regs->iaoq[0] & ~3, regs); in handle_break()
318 regs->iaoq[0] += 4; in handle_break()
319 regs->iaoq[1] += 4; in handle_break()
322 die_if_kernel("Unknown kernel breakpoint", regs, in handle_break()
327 parisc_printk_ratelimited(0, regs, in handle_break()
333 handle_gdb_break(regs, TRAP_BRKPT); in handle_break()
336 static void default_trap(int code, struct pt_regs *regs) in default_trap() argument
339 show_regs(regs); in default_trap()
342 void (*cpu_lpmc) (int code, struct pt_regs *regs) __read_mostly = default_trap;
345 void transfer_pim_to_trap_frame(struct pt_regs *regs) in transfer_pim_to_trap_frame() argument
363 regs->gr[0] = pim_wide->cr[22]; in transfer_pim_to_trap_frame()
366 regs->gr[i] = pim_wide->gr[i]; in transfer_pim_to_trap_frame()
369 regs->fr[i] = pim_wide->fr[i]; in transfer_pim_to_trap_frame()
372 regs->sr[i] = pim_wide->sr[i]; in transfer_pim_to_trap_frame()
374 regs->iasq[0] = pim_wide->cr[17]; in transfer_pim_to_trap_frame()
375 regs->iasq[1] = pim_wide->iasq_back; in transfer_pim_to_trap_frame()
376 regs->iaoq[0] = pim_wide->cr[18]; in transfer_pim_to_trap_frame()
377 regs->iaoq[1] = pim_wide->iaoq_back; in transfer_pim_to_trap_frame()
379 regs->sar = pim_wide->cr[11]; in transfer_pim_to_trap_frame()
380 regs->iir = pim_wide->cr[19]; in transfer_pim_to_trap_frame()
381 regs->isr = pim_wide->cr[20]; in transfer_pim_to_trap_frame()
382 regs->ior = pim_wide->cr[21]; in transfer_pim_to_trap_frame()
387 regs->gr[0] = pim_narrow->cr[22]; in transfer_pim_to_trap_frame()
390 regs->gr[i] = pim_narrow->gr[i]; in transfer_pim_to_trap_frame()
393 regs->fr[i] = pim_narrow->fr[i]; in transfer_pim_to_trap_frame()
396 regs->sr[i] = pim_narrow->sr[i]; in transfer_pim_to_trap_frame()
398 regs->iasq[0] = pim_narrow->cr[17]; in transfer_pim_to_trap_frame()
399 regs->iasq[1] = pim_narrow->iasq_back; in transfer_pim_to_trap_frame()
400 regs->iaoq[0] = pim_narrow->cr[18]; in transfer_pim_to_trap_frame()
401 regs->iaoq[1] = pim_narrow->iaoq_back; in transfer_pim_to_trap_frame()
403 regs->sar = pim_narrow->cr[11]; in transfer_pim_to_trap_frame()
404 regs->iir = pim_narrow->cr[19]; in transfer_pim_to_trap_frame()
405 regs->isr = pim_narrow->cr[20]; in transfer_pim_to_trap_frame()
406 regs->ior = pim_narrow->cr[21]; in transfer_pim_to_trap_frame()
414 regs->ksp = 0; in transfer_pim_to_trap_frame()
415 regs->kpc = 0; in transfer_pim_to_trap_frame()
416 regs->orig_r28 = 0; in transfer_pim_to_trap_frame()
425 void parisc_terminate(char *msg, struct pt_regs *regs, int code, unsigned long offset) in parisc_terminate() argument
446 transfer_pim_to_trap_frame(regs); in parisc_terminate()
458 unwind_frame_init(&info, current, regs); in parisc_terminate()
464 msg, code, trap_name(code), regs, offset); in parisc_terminate()
465 show_regs(regs); in parisc_terminate()
486 void notrace handle_interruption(int code, struct pt_regs *regs) in handle_interruption() argument
517 if (((unsigned long)regs->iaoq[0] & 3) && in handle_interruption()
518 ((unsigned long)regs->iasq[0] != (unsigned long)regs->sr[7])) { in handle_interruption()
520 regs->iaoq[0] = 0 | 3; in handle_interruption()
521 regs->iaoq[1] = regs->iaoq[0] + 4; in handle_interruption()
522 regs->iasq[0] = regs->iasq[1] = regs->sr[7]; in handle_interruption()
523 regs->gr[0] &= ~PSW_B; in handle_interruption()
540 regs, code, 0); in handle_interruption()
550 regs->gr[0] &= ~PSW_R; in handle_interruption()
551 if (user_space(regs)) in handle_interruption()
552 handle_gdb_break(regs, TRAP_TRACE); in handle_interruption()
562 cpu_lpmc(5, regs); in handle_interruption()
567 fault_address = regs->iaoq[0]; in handle_interruption()
568 fault_space = regs->iasq[0]; in handle_interruption()
573 die_if_kernel("Illegal instruction", regs, code); in handle_interruption()
579 handle_break(regs); in handle_interruption()
584 die_if_kernel("Privileged operation", regs, code); in handle_interruption()
590 if ((regs->iir & 0xffdfffe0) == 0x034008a0) { in handle_interruption()
596 if (regs->iir & 0x00200000) in handle_interruption()
597 regs->gr[regs->iir & 0x1f] = mfctl(27); in handle_interruption()
599 regs->gr[regs->iir & 0x1f] = mfctl(26); in handle_interruption()
601 regs->iaoq[0] = regs->iaoq[1]; in handle_interruption()
602 regs->iaoq[1] += 4; in handle_interruption()
603 regs->iasq[0] = regs->iasq[1]; in handle_interruption()
607 die_if_kernel("Privileged register usage", regs, code); in handle_interruption()
612 si.si_addr = (void __user *) regs->iaoq[0]; in handle_interruption()
620 si.si_addr = (void __user *) regs->iaoq[0]; in handle_interruption()
628 if(user_mode(regs)){ in handle_interruption()
633 si.si_addr = (void __user *) regs->iaoq[0]; in handle_interruption()
642 die_if_kernel("Floating point exception", regs, 0); /* quiet */ in handle_interruption()
644 handle_fpe(regs); in handle_interruption()
667 fault_address = regs->ior; in handle_interruption()
668 fault_space = regs->isr; in handle_interruption()
674 if (check_unaligned(regs)) { in handle_interruption()
675 handle_unaligned(regs); in handle_interruption()
681 fault_address = regs->ior; in handle_interruption()
682 fault_space = regs->isr; in handle_interruption()
687 regs->gr[0] |= PSW_X; /* So we can single-step over the trap */ in handle_interruption()
691 handle_gdb_break(regs, TRAP_HWBKPT); in handle_interruption()
696 regs->gr[0] &= ~PSW_T; in handle_interruption()
697 if (user_space(regs)) in handle_interruption()
698 handle_gdb_break(regs, TRAP_BRANCH); in handle_interruption()
719 if (user_mode(regs)) { in handle_interruption()
723 vma = find_vma(current->mm,regs->iaoq[0]); in handle_interruption()
724 if (vma && (regs->iaoq[0] >= vma->vm_start) in handle_interruption()
727 fault_address = regs->iaoq[0]; in handle_interruption()
728 fault_space = regs->iasq[0]; in handle_interruption()
738 if (code == 27 && !user_mode(regs) && in handle_interruption()
739 fixup_exception(regs)) in handle_interruption()
742 die_if_kernel("Protection id trap", regs, code); in handle_interruption()
747 si.si_addr = (void __user *) regs->iaoq[0]; in handle_interruption()
749 si.si_addr = (void __user *) regs->ior; in handle_interruption()
755 handle_unaligned(regs); in handle_interruption()
759 if (user_mode(regs)) { in handle_interruption()
760 parisc_printk_ratelimited(0, regs, KERN_DEBUG in handle_interruption()
767 si.si_addr = (void __user *) regs->ior; in handle_interruption()
773 parisc_terminate("Unexpected interruption", regs, code, 0); in handle_interruption()
777 if (user_mode(regs)) { in handle_interruption()
778 if ((fault_space >> SPACEID_SHIFT) != (regs->sr[7] >> SPACEID_SHIFT)) { in handle_interruption()
779 parisc_printk_ratelimited(0, regs, KERN_DEBUG in handle_interruption()
786 si.si_addr = (void __user *) regs->ior; in handle_interruption()
801 if (fixup_exception(regs)) in handle_interruption()
804 parisc_terminate("Kernel Fault", regs, code, fault_address); in handle_interruption()
808 do_page_fault(regs, code, fault_address); in handle_interruption()