Exemplo n.º 1
0
int main(int argc, char *argv[]){
	disk_info_t *disk_info, *disk_list;
	partition_info_t *partition_info;
	char buf[PATH_MAX];

	usb_dbg("%d: Using myself to get information:\n", VERSION);

	if(argc == 3){
		get_mount_path("sdb1", buf, PATH_MAX);
		printf("buf=%s.\n", buf);
	}
	else if(argc == 2){
		if(is_disk_name(argv[1])){ // Disk
			usb_dbg("%d: Get disk(%s)'s information:\n", VERSION, argv[1]);

			create_disk(argv[1], &disk_info);

			print_disk(disk_info);

			free_disk_data(&disk_info);
		}
		else{
			usb_dbg("%d: Get partition(%s)'s information:\n", VERSION, argv[1]);

			create_partition(argv[1], &partition_info);

			print_partition(partition_info);

			free_partition_data(&partition_info);
		}
	}
	else{
		usb_dbg("%d: Get all Disk information:\n", VERSION);

		disk_list = read_disk_data();

		print_disks(disk_list);

		free_disk_data(&disk_list);
	}

	return 0;
}
Exemplo n.º 2
0
int
main(int argc, char *argv[])
{
	di_opts_t opts = { B_FALSE, B_FALSE };
	char c;

	dm_descriptor_t *media;
	int error, ii;
	int filter[] = { DM_DT_FIXED, -1 };

	while ((c = getopt(argc, argv, "Hp")) != EOF) {
		switch (c) {
		case 'H':
			opts.di_scripted = B_TRUE;
			break;
		case 'p':
			opts.di_parseable = B_TRUE;
			break;
		default:
			return (1);
		}
	}

	error = 0;
	if ((media = dm_get_descriptors(DM_MEDIA, filter, &error)) == NULL) {
		fprintf(stderr, "Error from dm_get_descriptors: %d\n", error);
		return (1);
	}

	if (!opts.di_scripted) {
		printf("TYPE    DISK      VID         PID"
		    "                SIZE            REMV\n");
	}

	for (ii = 0; media != NULL && media[ii] != NULL; ii++)
		print_disks(media[ii], &opts);
	dm_free_descriptors(media);

	return (0);
}
Exemplo n.º 3
0
void debugger(void)
{
    extern u_int history[3];
    extern int irq0_pending;
    static int in_debugger = 0;
    char buf[80], buf2[80], reg[4];
    u_int i, j, k;

    if (in_debugger)
	return;
    in_debugger ++;
    no_exceptions = 1;

#if 0
    char *textbuf;
    textbuf = (char*)malloc(TEXT_SIZE);
    if (!textbuf) {
	leaveemu(ERR_MEM);
    }
    memcpy(textbuf, SCR_STATE.virt_address, TEXT_SIZE);
#endif

    push_debug_flags();
    DEBUG_OFF();

    for(;;) {
	printf("\ndbg> ");
	if (fgets(buf, 80, stdin) == NULL)
	    leaveemu(0);
	buf[strlen(buf)-1] = 0;  /* kill \n */
	
	if (*buf==0) {
	    continue;
	} else if (!strcmp(buf, "help")) {
	    usage();
	} else if (!strcmp(buf, "r")) {
	    show_regs(0, 0);
	} else if (!strcmp(buf, "logue")) {
	    printf("prologue:  0x%08x\n", UAREA.u_entprologue);
	    printf("epilogue:  0x%08x\n", UAREA.u_entepilogue);
	} else if (!strcmp(buf, "exc")) {
	    printf("current exception:       #0x%x, 0x%x\n", vm86s.trapno, vm86s.err);
	    printf("pending guest exception: ");
	    if (vmstate.exc)
		printf("#0x%x, 0x%x\n", vmstate.exc_vect, vmstate.exc_erc);
	    else
		printf("none\n");
	} else if (!strcmp(buf, "cr")) {
	    show_cregs();
	} else if (!strcmp(buf, "g")) {
	    REG(eflags) &= ~TF_MASK;
	    break;
	} else if (!strcmp(buf, "q") || !strcmp(buf, "quit")) {
	    leaveemu(0);
	} else if (!strcmp(buf, "disks")) {
	    print_disks();
	} else if (!strcmp(buf, "ptmap")) {
	    /* everything is in k to avoid overflows */
	    u_int granularity = 4*1024;
	    u_int width = 64;
	    printf("granularity:  0x%08x\n", granularity*1024);

	    for (i=0; i < (4*1024*1024)/(width*granularity); i++) {
		u_int start = i*width*granularity;
		printf("0x%08x  ", start*1024);
		for (j=0; j<width; j++) {
		    int gp = 0, hp = 0;
		    for (k=0; k < granularity/NBPG; k++) {
			u_int pte, err=0;
			pte = sys_read_pte(k*NBPG + (j*granularity + i*width*granularity)*1024, 0, vmstate.eid, &err);
			if (err == -E_NOT_FOUND) {
			    err = pte = 0;
			}			    
			if (err == 0) {
			    if (pte&1) {
				if (pte & PG_GUEST)
				    gp = 1;
				else
				    hp = 1;
			    }
			}
		    }
		    if (!gp && !hp)
			printf("-");
		    else if (gp && hp)
			printf("+");
		    else if (gp && !hp)
			printf("g");
		    else
			printf("h");
		}
		printf("\n");
	    }
#if 0
	} else if (!strcmp(buf, "memmap")) {
	    memcheck_dump();
#endif
	} else if (sscanf(buf, "port %x", &i) == 1) {
	    print_port(i);
	} else if (sscanf(buf, "int %x", &i) == 1) {
	    pop_debug_flags();
	    push_debug_flags();
	    no_exceptions = 0;
	    do_int(i);
	    no_exceptions = 1;
	    DEBUG_OFF();
	} else if (sscanf(buf, "gdt %x", &i) == 1) {
	    struct descr *sd;
	    if (set_get_any(&vmstate.g_gdt_base, (u_int*)&sd)) {
		printf("no gdt is defined\n");
		continue;
	    }
	    print_dt_entry(i, sd);
	} else if (sscanf(buf, "idt %x", &i) == 1) {
	    print_dt_entry(i, (struct descr *)vmstate.g_idt_base);
	} else if (sscanf(buf, "ro %x", &i) == 1) {
	    protect_range(PGROUNDDOWN(i), NBPG);
	} else if (sscanf(buf, "rw %x", &i) == 1) {
	    unprotect_range(PGROUNDDOWN(i), NBPG);
	} else if (!strcmp(buf, "history")) {
	    printf("most recent trap eip:  %x  %x  %x\n", history[2], history[1], history[0]);
	} else if (!strcmp(buf, "irq")) {
	    struct gate_descr *sg = (struct gate_descr *)vmstate.g_idt_base + hardware_irq_number(0);
	    for (i=0; i<16; i++) {
		printf("irq %2d %s, handled by idt[%2d], function @ 0x%08x\n", i, irq_disabled(i) ? "disabled" : " enabled",
		       hardware_irq_number(i), GATE_OFFSET(sg+i));
	    }	    
	} else if (sscanf(buf, "dump %x:%x %x", &i, &j, &k) == 2) {
	    dump_memory((i<<4)+j, k);
	} else if (sscanf(buf, "dump %x:%x", &i, &j) == 2) {
	    dump_memory((i<<4)+j, 0x80);
	} else if (sscanf(buf, "dump %x %x", &i, &j) == 2) {
	    dump_memory(i, j);
	} else if (sscanf(buf, "dump %x", &i) == 1) {
	    dump_memory(i, 0x80);
	} else if (!strcmp(buf, "dump")) {
	    dump_memory(dump_offset, 0x80);
	} else if (sscanf(buf, "search %x %79s", &i, buf2) == 2) {
	    search_memory(i, buf2);
	} else if (!strcmp(buf, "debug on")) {
	    pop_debug_flags();
	    DEBUG_ON();
	    push_debug_flags();
	} else if (!strcmp(buf, "debug off")) {
	    pop_debug_flags();
	    DEBUG_OFF();
	    push_debug_flags();
	} else if (sscanf(buf, "pte %x", &i) == 1) {
	    Bit32u host_pte = 0;
	    
	    if (! (vmstate.cr[0] & PG_MASK)) {
	    	printf("guest paging not enabled\n");
		printf("guest_phys_to_host_phys(0x%08x) = 0x%08x\n", i, guest_phys_to_host_phys(i));
	    } else {
		Bit32u gpte = guest_pte(i);
		
		printf("guest cr3           0x%08x\n", vmstate.cr[3]);
		printf("guest 0x%08x -> 0x%08x\n", i, gpte);
		printf("guest_phys_to_host_phys(0x%08x) = 0x%08x\n", gpte & ~PGMASK, guest_phys_to_host_phys(gpte & ~PGMASK));
	    }
	    get_host_pte(i, &host_pte);
	    printf("host  0x%08x -> 0x%08x\n", i, host_pte);
	} else if (sscanf(buf, "gp2hp %x", &i) == 1) {
	    printf("&vmstate.gp2hp[0] = %p, 0x%x mappings\n", vmstate.gp2hp, vmstate.ppages);
	    if (i<vmstate.ppages)
		printf("gp2hp[%x] = 0x%08x\n", i, vmstate.gp2hp[i]);
	} else if (!strcmp(buf, "cr3")) {
	    u_int cr3;
	    Set *set = &vmstate.cr3;

	    printf("cr3 register:  0x%08x\n", vmstate.cr[3]);
	    printf("cr3 set     :  ");
	    for(set_iter_init(set); set_iter_get(set, &cr3); set_iter_next(set)) {
		printf("0x%08x ", cr3);
	    }
	    printf("\n");
	} else if (!strcmp(buf, "dt")) {
	    print_dt_mappings();
	    printf("h gdt base:lim  0x%08x:0x%04x\n", vmstate.h_gdt_base, vmstate.h_gdt_limit);
	    printf("h idt base:lim  0x%08x:0x%04x\n", vmstate.h_idt_base, vmstate.h_idt_limit);
	} else if (!strcmp(buf, "memory")) {
	    printf("0x%08x real physical pages (%3d megs)\n", PHYSICAL_PAGES, PHYSICAL_MEGS_RAM);
	    printf("0x%08x fake physical pages (%3d megs)\n", vmstate.ppages, config.phys_mem_size/1024);
#if 0
	    printf("Eavesdropping on Linux:\n");
	    printf("RAM               %dk\n",   *((Bit32u*)0x901e0));
	    printf("pointing device?  0x%x\n",  *((Bit16u*)0x901ff));
	    printf("APM?              0x%x\n",  *((Bit16u*)0x90040));
#endif
	    ASSERT(vmstate.ppages == config.phys_mem_size*1024/NBPG);
	} else if (sscanf(buf, "%2s=%x", reg, &i) == 2 || 
		   sscanf(buf, "%3s=%x", reg, &i) == 2) {
	    int r = reg_s2i(reg);
	    if (r == -1) {
		printf("unknown register\n");
	    } else if (r==14) {
		REG(eip) = i;
	    } else if (r<=REGNO_EDI) {
		set_reg(r, i, 4);  /* normal regs */
	    } else {
		set_reg(r, i, 2);  /* segment regs */
	    }
	} else {
	    printf("huh?\n");
	}
    }

    pop_debug_flags();

#if 0
    if (debug_flags == 0)
	memcpy(SCR_STATE.virt_address, textbuf, TEXT_SIZE);
    free(textbuf);
#endif

    REG(eflags) |= RF;

    in_debugger --;
    no_exceptions = 0;
    irq0_pending = 0;
}