db_interface.c

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*      $FreeBSD$ */
    2 /*      $NetBSD: db_interface.c,v 1.20 2002/05/13 20:30:09 matt Exp $ */
    3 /*      $OpenBSD: db_interface.c,v 1.2 1996/12/28 06:21:50 rahnds Exp $ */
    4 
    5 
    6 #include <sys/param.h>
    7 #include <sys/systm.h>
    8 #include <sys/cons.h>
    9 #include <sys/kdb.h>
   10 #include <sys/ktr.h>
   11 #include <sys/lock.h>
   12 #include <sys/pcpu.h>
   13 #include <sys/proc.h>
   14 #include <sys/smp.h>
   15 
   16 #include <machine/kdb.h>
   17 #include <machine/md_var.h>
   18 
   19 #include <vm/vm.h>
   20 #include <vm/pmap.h>
   21 
   22 #include <ddb/ddb.h>
   23 #include <ddb/db_sym.h>
   24 #include <ddb/db_command.h>
   25 #include <ddb/db_access.h>
   26 #include <ddb/db_output.h>
   27 
   28 #include <dev/ofw/openfirm.h>
   29 
   30 int
   31 db_read_bytes(vm_offset_t addr, size_t size, char *data)
   32 {
   33         jmp_buf jb;
   34         void *prev_jb;
   35         char *src;
   36         int ret;
   37 
   38         prev_jb = kdb_jmpbuf(jb);
   39         ret = setjmp(jb);
   40         if (ret == 0) {
   41                 src = (char *)addr;
   42 
   43                 if (size == 8)
   44                         *((uint64_t*)data) = *((uint64_t*)src);
   45                 if (size == 4)
   46                         *((int *)data) = *((int *)src);
   47                 else if (size == 2)
   48                         *((short *)data) = *((short *)src);
   49                 else
   50                         while (size-- > 0)
   51                                 *data++ = *src++;
   52         }
   53         (void)kdb_jmpbuf(prev_jb);
   54         return (ret);
   55 }
   56 
   57 int
   58 db_write_bytes(vm_offset_t addr, size_t size, char *data)
   59 {
   60         jmp_buf jb;
   61         void *prev_jb;
   62         char *dst;
   63         size_t cnt;
   64         int ret;
   65 
   66         prev_jb = kdb_jmpbuf(jb);
   67         ret = setjmp(jb);
   68         if (ret == 0) {
   69                 dst = (char *)addr;
   70                 cnt = size;
   71 
   72                 if (size == 8)
   73                         *((uint64_t*)dst) = *((uint64_t*)data);
   74                 if (size == 4)
   75                         *((int*)dst) = *((int*)data);
   76                 else
   77                 if (size == 2)
   78                         *((short*)dst) = *((short*)data);
   79                 else
   80                         while (cnt-- > 0)
   81                                 *dst++ = *data++;
   82                 kdb_cpu_sync_icache((void *)addr, size);
   83         }
   84         (void)kdb_jmpbuf(prev_jb);
   85         return (ret);
   86 }
   87 
   88 void
   89 db_show_mdpcpu(struct pcpu *pc)
   90 {
   91 
   92         db_printf("PPC: hwref   = %#zx\n", pc->pc_hwref);
   93         db_printf("PPC: ipimask = %#x\n", pc->pc_ipimask);
   94 }

Cache object: 394852cb96ba3637fceb49d009963703

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/powerpc/powerpc/db_interface.c

FreeBSD/Linux Kernel Cross Reference
sys/powerpc/powerpc/db_interface.c