Date: Thu, 14 Feb 2008 18:47:39 GMT From: "Randall R. Stewart" <rrs@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 135393 for review Message-ID: <200802141847.m1EIld53014048@repoman.freebsd.org>
next in thread | raw e-mail | index | archive | help
http://perforce.freebsd.org/chv.cgi?CH=135393 Change 135393 by rrs@rrs-mips2-jnpr on 2008/02/14 18:46:43 Adds M_CHECK handler in trap() Affected files ... .. //depot/projects/mips2-jnpr/src/sys/mips/mips/trap.c#12 edit Differences ... ==== //depot/projects/mips2-jnpr/src/sys/mips/mips/trap.c#12 (text+ko) ==== @@ -38,7 +38,6 @@ * from: @(#)trap.c 8.5 (Berkeley) 1/11/94 * JNPR: trap.c,v 1.13.2.2 2007/08/29 10:03:49 girish */ - #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); @@ -96,10 +95,9 @@ #include <sys/cdefs.h> #include <sys/syslog.h> -#define TRAP_DEBUG 0 -#if TRAP_DEBUG -int trap_debug = 0; +#ifdef TRAP_DEBUG +int trap_debug = 1; #endif extern unsigned onfault_table[]; @@ -115,7 +113,7 @@ static void log_bad_page_fault(char *, struct trapframe *, int); static void log_frame_dump(struct trapframe *frame); static void get_mapping_info(vm_offset_t, pd_entry_t **, pt_entry_t **); -#if TRAP_DEBUG +#ifdef TRAP_DEBUG static void trap_frame_dump(struct trapframe *frame); #endif extern char edata[]; @@ -342,7 +340,7 @@ disableintr(); } -#if TRAP_DEBUG +#ifdef TRAP_DEBUG if (trap_debug) { static vm_offset_t last_badvaddr = 0; static vm_offset_t this_badvaddr = 0; @@ -361,7 +359,7 @@ printf("cpuid = %d\n", PCPU_GET(cpuid)); #endif MachTLBGetPID(pid); - printf("badaddr = %p, pc = %p, ra = %p, sp = %p, sr = 0x%x, pid = %d, ASID = 0x%x\n", + printf("badaddr = %p, pc = %p, ra = %p, sp = %p, sr = 0x%x, pid = %d, ASID = 0x%x\n", trapframe->badvaddr, trapframe->pc, trapframe->ra, trapframe->sp, trapframe->sr, (curproc ? curproc->p_pid : -1), pid); @@ -395,6 +393,12 @@ #endif switch (type) { + case T_MCHECK: +#ifdef DDB + kdb_trap(type, 0, trapframe); +#endif + panic("MCHECK\n"); + break; case T_TLB_MOD: /* check for kernel address */ if (KERNLAND(trapframe->badvaddr)) { @@ -557,9 +561,9 @@ --p->p_lock; PROC_UNLOCK(p); #ifdef VMFAULT_TRACE - printf("vm_fault(%x (pmap %x), %x (%x), %x, %d) -> %x at pc %x\n", - map, &vm->vm_pmap, va, trapframe->badvaddr, ftype, flag, - rv, trapframe->pc); + printf("vm_fault(%x (pmap %x), %x (%x), %x, %d) -> %x at pc %x\n", + map, &vm->vm_pmap, va, trapframe->badvaddr, ftype, flag, + rv, trapframe->pc); #endif if (rv == KERN_SUCCESS) { @@ -588,10 +592,6 @@ case T_ADDR_ERR_LD+T_USER: /* misaligned or kseg access */ case T_ADDR_ERR_ST+T_USER: /* misaligned or kseg access */ -#if TRAP_DEBUG - printf("+++ ADDR_ERR+USER: type = %d, badvaddr = %x\n", type, - trapframe->badvaddr); -#endif if (allow_unaligned_acc) { int mode; @@ -654,7 +654,7 @@ tpc = trapframe->pc; /* Remember if restart */ if (DELAYBRANCH(trapframe->cause)) { /* Check BD bit */ locr0->pc = MipsEmulateBranch(locr0, trapframe->pc, 0, - 0); + 0); } else { locr0->pc += sizeof(int); } @@ -695,10 +695,10 @@ args[3] = locr0->a3; nsaved = 4; } - #if TRAP_DEBUG printf("SYSCALL #%d pid:%u\n", code, p->p_pid); #endif + if (p->p_sysent->sv_mask) code &= p->p_sysent->sv_mask; @@ -752,7 +752,6 @@ locr0 = td->td_frame; #endif trapdebug_enter(locr0, -code); - switch (i) { case 0: if (quad_syscall && code != SYS_lseek) { @@ -951,7 +950,7 @@ case T_ADDR_ERR_LD: /* misaligned access */ case T_ADDR_ERR_ST: /* misaligned access */ -#if TRAP_DEBUG +#ifdef TRAP_DEBUG printf("+++ ADDR_ERR: type = %d, badvaddr = %x\n", type, trapframe->badvaddr); #endif @@ -1007,7 +1006,7 @@ else printf("kernel mode)\n"); -#if TRAP_DEBUG +#ifdef TRAP_DEBUG printf("badvaddr = %p, pc = %p, ra = %p, sr = 0x%x\n", trapframe->badvaddr, trapframe->pc, trapframe->ra, trapframe->sr); @@ -1554,7 +1553,7 @@ #endif } -#if TRAP_DEBUG +#ifdef TRAP_DEBUG static void trap_frame_dump(struct trapframe *frame) {
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200802141847.m1EIld53014048>