--- zzzz-none-000/linux-3.10.107/arch/m68k/kernel/traps.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/m68k/kernel/traps.c 2021-02-04 17:41:59.000000000 +0000 @@ -133,9 +133,7 @@ { unsigned long fslw = fp->un.fmt4.pc; /* is really FSLW for access error */ -#ifdef DEBUG - printk("fslw=%#lx, fa=%#lx\n", fslw, fp->un.fmt4.effaddr); -#endif + pr_debug("fslw=%#lx, fa=%#lx\n", fslw, fp->un.fmt4.effaddr); if (fslw & MMU060_BPE) { /* branch prediction error -> clear branch cache */ @@ -162,9 +160,7 @@ } if (fslw & MMU060_W) errorcode |= 2; -#ifdef DEBUG - printk("errorcode = %d\n", errorcode ); -#endif + pr_debug("errorcode = %ld\n", errorcode); do_page_fault(&fp->ptregs, addr, errorcode); } else if (fslw & (MMU060_SEE)){ /* Software Emulation Error. @@ -173,8 +169,9 @@ send_fault_sig(&fp->ptregs); } else if (!(fslw & (MMU060_RE|MMU060_WE)) || send_fault_sig(&fp->ptregs) > 0) { - printk("pc=%#lx, fa=%#lx\n", fp->ptregs.pc, fp->un.fmt4.effaddr); - printk( "68060 access error, fslw=%lx\n", fslw ); + pr_err("pc=%#lx, fa=%#lx\n", fp->ptregs.pc, + fp->un.fmt4.effaddr); + pr_err("68060 access error, fslw=%lx\n", fslw); trap_c( fp ); } } @@ -225,9 +222,7 @@ set_fs(old_fs); -#ifdef DEBUG - printk("do_040writeback1, res=%d\n",res); -#endif + pr_debug("do_040writeback1, res=%d\n", res); return res; } @@ -249,7 +244,7 @@ int res = 0; #if 0 if (fp->un.fmt7.wb1s & WBV_040) - printk("access_error040: cannot handle 1st writeback. oops.\n"); + pr_err("access_error040: cannot handle 1st writeback. oops.\n"); #endif if ((fp->un.fmt7.wb2s & WBV_040) && @@ -302,14 +297,12 @@ unsigned short ssw = fp->un.fmt7.ssw; unsigned long mmusr; -#ifdef DEBUG - printk("ssw=%#x, fa=%#lx\n", ssw, fp->un.fmt7.faddr); - printk("wb1s=%#x, wb2s=%#x, wb3s=%#x\n", fp->un.fmt7.wb1s, + pr_debug("ssw=%#x, fa=%#lx\n", ssw, fp->un.fmt7.faddr); + pr_debug("wb1s=%#x, wb2s=%#x, wb3s=%#x\n", fp->un.fmt7.wb1s, fp->un.fmt7.wb2s, fp->un.fmt7.wb3s); - printk ("wb2a=%lx, wb3a=%lx, wb2d=%lx, wb3d=%lx\n", + pr_debug("wb2a=%lx, wb3a=%lx, wb2d=%lx, wb3d=%lx\n", fp->un.fmt7.wb2a, fp->un.fmt7.wb3a, fp->un.fmt7.wb2d, fp->un.fmt7.wb3d); -#endif if (ssw & ATC_040) { unsigned long addr = fp->un.fmt7.faddr; @@ -324,9 +317,7 @@ /* MMU error, get the MMUSR info for this access */ mmusr = probe040(!(ssw & RW_040), addr, ssw); -#ifdef DEBUG - printk("mmusr = %lx\n", mmusr); -#endif + pr_debug("mmusr = %lx\n", mmusr); errorcode = 1; if (!(mmusr & MMU_R_040)) { /* clear the invalid atc entry */ @@ -340,14 +331,10 @@ errorcode |= 2; if (do_page_fault(&fp->ptregs, addr, errorcode)) { -#ifdef DEBUG - printk("do_page_fault() !=0\n"); -#endif + pr_debug("do_page_fault() !=0\n"); if (user_mode(&fp->ptregs)){ /* delay writebacks after signal delivery */ -#ifdef DEBUG - printk(".. was usermode - return\n"); -#endif + pr_debug(".. was usermode - return\n"); return; } /* disable writeback into user space from kernel @@ -355,9 +342,7 @@ * the writeback won't do good) */ disable_wb: -#ifdef DEBUG - printk(".. disabling wb2\n"); -#endif + pr_debug(".. disabling wb2\n"); if (fp->un.fmt7.wb2a == fp->un.fmt7.faddr) fp->un.fmt7.wb2s &= ~WBV_040; if (fp->un.fmt7.wb3a == fp->un.fmt7.faddr) @@ -371,7 +356,7 @@ current->thread.signo = SIGBUS; current->thread.faddr = fp->un.fmt7.faddr; if (send_fault_sig(&fp->ptregs) >= 0) - printk("68040 bus error (ssw=%x, faddr=%lx)\n", ssw, + pr_err("68040 bus error (ssw=%x, faddr=%lx)\n", ssw, fp->un.fmt7.faddr); goto disable_wb; } @@ -394,19 +379,17 @@ unsigned short ssw = fp->un.fmtb.ssw; extern unsigned long _sun3_map_test_start, _sun3_map_test_end; -#ifdef DEBUG if (ssw & (FC | FB)) - printk ("Instruction fault at %#010lx\n", + pr_debug("Instruction fault at %#010lx\n", ssw & FC ? fp->ptregs.format == 0xa ? fp->ptregs.pc + 2 : fp->un.fmtb.baddr - 2 : fp->ptregs.format == 0xa ? fp->ptregs.pc + 4 : fp->un.fmtb.baddr); if (ssw & DF) - printk ("Data %s fault at %#010lx in %s (pc=%#lx)\n", + pr_debug("Data %s fault at %#010lx in %s (pc=%#lx)\n", ssw & RW ? "read" : "write", fp->un.fmtb.daddr, space_names[ssw & DFC], fp->ptregs.pc); -#endif /* * Check if this page should be demand-mapped. This needs to go before @@ -429,7 +412,7 @@ return; /* instruction fault or kernel data fault! */ if (ssw & (FC | FB)) - printk ("Instruction fault at %#010lx\n", + pr_err("Instruction fault at %#010lx\n", fp->ptregs.pc); if (ssw & DF) { /* was this fault incurred testing bus mappings? */ @@ -439,12 +422,12 @@ return; } - printk ("Data %s fault at %#010lx in %s (pc=%#lx)\n", + pr_err("Data %s fault at %#010lx in %s (pc=%#lx)\n", ssw & RW ? "read" : "write", fp->un.fmtb.daddr, space_names[ssw & DFC], fp->ptregs.pc); } - printk ("BAD KERNEL BUSERR\n"); + pr_err("BAD KERNEL BUSERR\n"); die_if_kernel("Oops", &fp->ptregs,0); force_sig(SIGKILL, current); @@ -473,12 +456,11 @@ else if (buserr_type & SUN3_BUSERR_INVALID) errorcode = 0x00; else { -#ifdef DEBUG - printk ("*** unexpected busfault type=%#04x\n", buserr_type); - printk ("invalid %s access at %#lx from pc %#lx\n", - !(ssw & RW) ? "write" : "read", addr, - fp->ptregs.pc); -#endif + pr_debug("*** unexpected busfault type=%#04x\n", + buserr_type); + pr_debug("invalid %s access at %#lx from pc %#lx\n", + !(ssw & RW) ? "write" : "read", addr, + fp->ptregs.pc); die_if_kernel ("Oops", &fp->ptregs, buserr_type); force_sig (SIGBUS, current); return; @@ -509,9 +491,7 @@ if (!mmu_emu_handle_fault(addr, 1, 0)) do_page_fault (&fp->ptregs, addr, 0); } else { -#ifdef DEBUG - printk ("protection fault on insn access (segv).\n"); -#endif + pr_debug("protection fault on insn access (segv).\n"); force_sig (SIGSEGV, current); } } @@ -525,22 +505,22 @@ unsigned short ssw = fp->un.fmtb.ssw; #ifdef DEBUG unsigned long desc; +#endif - printk ("pid = %x ", current->pid); - printk ("SSW=%#06x ", ssw); + pr_debug("pid = %x ", current->pid); + pr_debug("SSW=%#06x ", ssw); if (ssw & (FC | FB)) - printk ("Instruction fault at %#010lx\n", + pr_debug("Instruction fault at %#010lx\n", ssw & FC ? fp->ptregs.format == 0xa ? fp->ptregs.pc + 2 : fp->un.fmtb.baddr - 2 : fp->ptregs.format == 0xa ? fp->ptregs.pc + 4 : fp->un.fmtb.baddr); if (ssw & DF) - printk ("Data %s fault at %#010lx in %s (pc=%#lx)\n", + pr_debug("Data %s fault at %#010lx in %s (pc=%#lx)\n", ssw & RW ? "read" : "write", fp->un.fmtb.daddr, space_names[ssw & DFC], fp->ptregs.pc); -#endif /* ++andreas: If a data fault and an instruction fault happen at the same time map in both pages. */ @@ -554,27 +534,23 @@ "pmove %%psr,%1" : "=a&" (desc), "=m" (temp) : "a" (addr), "d" (ssw)); + pr_debug("mmusr is %#x for addr %#lx in task %p\n", + temp, addr, current); + pr_debug("descriptor address is 0x%p, contents %#lx\n", + __va(desc), *(unsigned long *)__va(desc)); #else asm volatile ("ptestr %2,%1@,#7\n\t" "pmove %%psr,%0" : "=m" (temp) : "a" (addr), "d" (ssw)); #endif mmusr = temp; - -#ifdef DEBUG - printk("mmusr is %#x for addr %#lx in task %p\n", - mmusr, addr, current); - printk("descriptor address is %#lx, contents %#lx\n", - __va(desc), *(unsigned long *)__va(desc)); -#endif - errorcode = (mmusr & MMU_I) ? 0 : 1; if (!(ssw & RW) || (ssw & RM)) errorcode |= 2; if (mmusr & (MMU_I | MMU_WP)) { if (ssw & 4) { - printk("Data %s fault at %#010lx in %s (pc=%#lx)\n", + pr_err("Data %s fault at %#010lx in %s (pc=%#lx)\n", ssw & RW ? "read" : "write", fp->un.fmtb.daddr, space_names[ssw & DFC], fp->ptregs.pc); @@ -587,9 +563,10 @@ } else if (!(mmusr & MMU_I)) { /* probably a 020 cas fault */ if (!(ssw & RM) && send_fault_sig(&fp->ptregs) > 0) - printk("unexpected bus error (%#x,%#x)\n", ssw, mmusr); + pr_err("unexpected bus error (%#x,%#x)\n", ssw, + mmusr); } else if (mmusr & (MMU_B|MMU_L|MMU_S)) { - printk("invalid %s access at %#lx from pc %#lx\n", + pr_err("invalid %s access at %#lx from pc %#lx\n", !(ssw & RW) ? "write" : "read", addr, fp->ptregs.pc); die_if_kernel("Oops",&fp->ptregs,mmusr); @@ -600,7 +577,7 @@ static volatile long tlong; #endif - printk("weird %s access at %#lx from pc %#lx (ssw is %#x)\n", + pr_err("weird %s access at %#lx from pc %#lx (ssw is %#x)\n", !(ssw & RW) ? "write" : "read", addr, fp->ptregs.pc, ssw); asm volatile ("ptestr #1,%1@,#0\n\t" @@ -609,18 +586,16 @@ : "a" (addr)); mmusr = temp; - printk ("level 0 mmusr is %#x\n", mmusr); + pr_err("level 0 mmusr is %#x\n", mmusr); #if 0 asm volatile ("pmove %%tt0,%0" : "=m" (tlong)); - printk("tt0 is %#lx, ", tlong); + pr_debug("tt0 is %#lx, ", tlong); asm volatile ("pmove %%tt1,%0" : "=m" (tlong)); - printk("tt1 is %#lx\n", tlong); -#endif -#ifdef DEBUG - printk("Unknown SIGSEGV - 1\n"); + pr_debug("tt1 is %#lx\n", tlong); #endif + pr_debug("Unknown SIGSEGV - 1\n"); die_if_kernel("Oops",&fp->ptregs,mmusr); force_sig(SIGSEGV, current); return; @@ -641,10 +616,9 @@ return; if (fp->ptregs.sr & PS_S) { - printk("Instruction fault at %#010lx\n", - fp->ptregs.pc); + pr_err("Instruction fault at %#010lx\n", fp->ptregs.pc); buserr: - printk ("BAD KERNEL BUSERR\n"); + pr_err("BAD KERNEL BUSERR\n"); die_if_kernel("Oops",&fp->ptregs,0); force_sig(SIGKILL, current); return; @@ -668,28 +642,22 @@ "pmove %%psr,%1" : "=a&" (desc), "=m" (temp) : "a" (addr)); + pr_debug("mmusr is %#x for addr %#lx in task %p\n", + temp, addr, current); + pr_debug("descriptor address is 0x%p, contents %#lx\n", + __va(desc), *(unsigned long *)__va(desc)); #else asm volatile ("ptestr #1,%1@,#7\n\t" "pmove %%psr,%0" : "=m" (temp) : "a" (addr)); #endif mmusr = temp; - -#ifdef DEBUG - printk ("mmusr is %#x for addr %#lx in task %p\n", - mmusr, addr, current); - printk ("descriptor address is %#lx, contents %#lx\n", - __va(desc), *(unsigned long *)__va(desc)); -#endif - if (mmusr & MMU_I) do_page_fault (&fp->ptregs, addr, 0); else if (mmusr & (MMU_B|MMU_L|MMU_S)) { - printk ("invalid insn access at %#lx from pc %#lx\n", + pr_err("invalid insn access at %#lx from pc %#lx\n", addr, fp->ptregs.pc); -#ifdef DEBUG - printk("Unknown SIGSEGV - 2\n"); -#endif + pr_debug("Unknown SIGSEGV - 2\n"); die_if_kernel("Oops",&fp->ptregs,mmusr); force_sig(SIGSEGV, current); return; @@ -791,9 +759,7 @@ if (user_mode(&fp->ptregs)) current->thread.esp0 = (unsigned long) fp; -#ifdef DEBUG - printk ("*** Bus Error *** Format is %x\n", fp->ptregs.format); -#endif + pr_debug("*** Bus Error *** Format is %x\n", fp->ptregs.format); #if defined(CONFIG_COLDFIRE) && defined(CONFIG_MMU) if (CPU_IS_COLDFIRE) { @@ -836,9 +802,7 @@ #endif default: die_if_kernel("bad frame format",&fp->ptregs,0); -#ifdef DEBUG - printk("Unknown SIGSEGV - 4\n"); -#endif + pr_debug("Unknown SIGSEGV - 4\n"); force_sig(SIGSEGV, current); } } @@ -852,7 +816,7 @@ unsigned long addr; int i; - printk("Call Trace:"); + pr_info("Call Trace:"); addr = (unsigned long)stack + THREAD_SIZE - 1; endstack = (unsigned long *)(addr & -THREAD_SIZE); i = 0; @@ -869,13 +833,13 @@ if (__kernel_text_address(addr)) { #ifndef CONFIG_KALLSYMS if (i % 5 == 0) - printk("\n "); + pr_cont("\n "); #endif - printk(" [<%08lx>] %pS\n", addr, (void *)addr); + pr_cont(" [<%08lx>] %pS\n", addr, (void *)addr); i++; } } - printk("\n"); + pr_cont("\n"); } void show_registers(struct pt_regs *regs) @@ -887,81 +851,87 @@ int i; print_modules(); - printk("PC: [<%08lx>] %pS\n", regs->pc, (void *)regs->pc); - printk("SR: %04x SP: %p a2: %08lx\n", regs->sr, regs, regs->a2); - printk("d0: %08lx d1: %08lx d2: %08lx d3: %08lx\n", + pr_info("PC: [<%08lx>] %pS\n", regs->pc, (void *)regs->pc); + pr_info("SR: %04x SP: %p a2: %08lx\n", regs->sr, regs, regs->a2); + pr_info("d0: %08lx d1: %08lx d2: %08lx d3: %08lx\n", regs->d0, regs->d1, regs->d2, regs->d3); - printk("d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n", + pr_info("d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n", regs->d4, regs->d5, regs->a0, regs->a1); - printk("Process %s (pid: %d, task=%p)\n", + pr_info("Process %s (pid: %d, task=%p)\n", current->comm, task_pid_nr(current), current); addr = (unsigned long)&fp->un; - printk("Frame format=%X ", regs->format); + pr_info("Frame format=%X ", regs->format); switch (regs->format) { case 0x2: - printk("instr addr=%08lx\n", fp->un.fmt2.iaddr); + pr_cont("instr addr=%08lx\n", fp->un.fmt2.iaddr); addr += sizeof(fp->un.fmt2); break; case 0x3: - printk("eff addr=%08lx\n", fp->un.fmt3.effaddr); + pr_cont("eff addr=%08lx\n", fp->un.fmt3.effaddr); addr += sizeof(fp->un.fmt3); break; case 0x4: - printk((CPU_IS_060 ? "fault addr=%08lx fslw=%08lx\n" - : "eff addr=%08lx pc=%08lx\n"), - fp->un.fmt4.effaddr, fp->un.fmt4.pc); + if (CPU_IS_060) + pr_cont("fault addr=%08lx fslw=%08lx\n", + fp->un.fmt4.effaddr, fp->un.fmt4.pc); + else + pr_cont("eff addr=%08lx pc=%08lx\n", + fp->un.fmt4.effaddr, fp->un.fmt4.pc); addr += sizeof(fp->un.fmt4); break; case 0x7: - printk("eff addr=%08lx ssw=%04x faddr=%08lx\n", + pr_cont("eff addr=%08lx ssw=%04x faddr=%08lx\n", fp->un.fmt7.effaddr, fp->un.fmt7.ssw, fp->un.fmt7.faddr); - printk("wb 1 stat/addr/data: %04x %08lx %08lx\n", + pr_info("wb 1 stat/addr/data: %04x %08lx %08lx\n", fp->un.fmt7.wb1s, fp->un.fmt7.wb1a, fp->un.fmt7.wb1dpd0); - printk("wb 2 stat/addr/data: %04x %08lx %08lx\n", + pr_info("wb 2 stat/addr/data: %04x %08lx %08lx\n", fp->un.fmt7.wb2s, fp->un.fmt7.wb2a, fp->un.fmt7.wb2d); - printk("wb 3 stat/addr/data: %04x %08lx %08lx\n", + pr_info("wb 3 stat/addr/data: %04x %08lx %08lx\n", fp->un.fmt7.wb3s, fp->un.fmt7.wb3a, fp->un.fmt7.wb3d); - printk("push data: %08lx %08lx %08lx %08lx\n", + pr_info("push data: %08lx %08lx %08lx %08lx\n", fp->un.fmt7.wb1dpd0, fp->un.fmt7.pd1, fp->un.fmt7.pd2, fp->un.fmt7.pd3); addr += sizeof(fp->un.fmt7); break; case 0x9: - printk("instr addr=%08lx\n", fp->un.fmt9.iaddr); + pr_cont("instr addr=%08lx\n", fp->un.fmt9.iaddr); addr += sizeof(fp->un.fmt9); break; case 0xa: - printk("ssw=%04x isc=%04x isb=%04x daddr=%08lx dobuf=%08lx\n", + pr_cont("ssw=%04x isc=%04x isb=%04x daddr=%08lx dobuf=%08lx\n", fp->un.fmta.ssw, fp->un.fmta.isc, fp->un.fmta.isb, fp->un.fmta.daddr, fp->un.fmta.dobuf); addr += sizeof(fp->un.fmta); break; case 0xb: - printk("ssw=%04x isc=%04x isb=%04x daddr=%08lx dobuf=%08lx\n", + pr_cont("ssw=%04x isc=%04x isb=%04x daddr=%08lx dobuf=%08lx\n", fp->un.fmtb.ssw, fp->un.fmtb.isc, fp->un.fmtb.isb, fp->un.fmtb.daddr, fp->un.fmtb.dobuf); - printk("baddr=%08lx dibuf=%08lx ver=%x\n", + pr_info("baddr=%08lx dibuf=%08lx ver=%x\n", fp->un.fmtb.baddr, fp->un.fmtb.dibuf, fp->un.fmtb.ver); addr += sizeof(fp->un.fmtb); break; default: - printk("\n"); + pr_cont("\n"); } show_stack(NULL, (unsigned long *)addr); - printk("Code:"); + pr_info("Code:"); set_fs(KERNEL_DS); cp = (u16 *)regs->pc; for (i = -8; i < 16; i++) { if (get_user(c, cp + i) && i >= 0) { - printk(" Bad PC value."); + pr_cont(" Bad PC value."); break; } - printk(i ? " %04x" : " <%04x>", c); + if (i) + pr_cont(" %04x", c); + else + pr_cont(" <%04x>", c); } set_fs(old_fs); - printk ("\n"); + pr_cont("\n"); } void show_stack(struct task_struct *task, unsigned long *stack) @@ -978,16 +948,16 @@ } endstack = (unsigned long *)(((unsigned long)stack + THREAD_SIZE - 1) & -THREAD_SIZE); - printk("Stack from %08lx:", (unsigned long)stack); + pr_info("Stack from %08lx:", (unsigned long)stack); p = stack; for (i = 0; i < kstack_depth_to_print; i++) { if (p + 1 > endstack) break; if (i % 8 == 0) - printk("\n "); - printk(" %08lx", *p++); + pr_cont("\n "); + pr_cont(" %08lx", *p++); } - printk("\n"); + pr_cont("\n"); show_trace(stack); } @@ -1005,32 +975,32 @@ console_verbose(); if (vector < ARRAY_SIZE(vec_names)) - printk ("*** %s *** FORMAT=%X\n", + pr_err("*** %s *** FORMAT=%X\n", vec_names[vector], fp->ptregs.format); else - printk ("*** Exception %d *** FORMAT=%X\n", + pr_err("*** Exception %d *** FORMAT=%X\n", vector, fp->ptregs.format); if (vector == VEC_ADDRERR && CPU_IS_020_OR_030) { unsigned short ssw = fp->un.fmtb.ssw; - printk ("SSW=%#06x ", ssw); + pr_err("SSW=%#06x ", ssw); if (ssw & RC) - printk ("Pipe stage C instruction fault at %#010lx\n", + pr_err("Pipe stage C instruction fault at %#010lx\n", (fp->ptregs.format) == 0xA ? fp->ptregs.pc + 2 : fp->un.fmtb.baddr - 2); if (ssw & RB) - printk ("Pipe stage B instruction fault at %#010lx\n", + pr_err("Pipe stage B instruction fault at %#010lx\n", (fp->ptregs.format) == 0xA ? fp->ptregs.pc + 4 : fp->un.fmtb.baddr); if (ssw & DF) - printk ("Data %s fault at %#010lx in %s (pc=%#lx)\n", + pr_err("Data %s fault at %#010lx in %s (pc=%#lx)\n", ssw & RW ? "read" : "write", fp->un.fmtb.daddr, space_names[ssw & DFC], fp->ptregs.pc); } - printk ("Current process id is %d\n", task_pid_nr(current)); + pr_err("Current process id is %d\n", task_pid_nr(current)); die_if_kernel("BAD KERNEL TRAP", &fp->ptregs, 0); } @@ -1162,7 +1132,7 @@ return; console_verbose(); - printk("%s: %08x\n",str,nr); + pr_crit("%s: %08x\n", str, nr); show_registers(fp); add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE); do_exit(SIGSEGV);