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  • David Garibaldi's avatar
    lrdpv2: Make QDSS binary data parsing optional · d025a0db
    David Garibaldi authored
    Debug image parsing currently includes QDSS ETM and ETR binary data
    parsing by default. However, these two parsing operations can take a
    significant amount of time if either of their respective data buffers
    are very large. Furthermore, this binary data is not needed for most
    common debug image parsing use cases.
    
    Add an argument to optionally disable QDSS ETM and ETR binary data
    parsing when debug image parsing has also been selected.
    
    Change-Id: Iab25c15d00dde1bb5dfafb3149e6e55760fd6291
    d025a0db
qdss.py 20.77 KiB
# Copyright (c) 2012, 2014-2015 The Linux Foundation. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 and
# only version 2 as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

import struct
import itertools
from print_out import print_out_str

tmc_registers = {
    'RSZ': (0x004, 'RAM Size'),
    'STS': (0x00C, 'Status Register'),
    'RRD': (0x010, 'RAM Read Data Register'),
    'RRP': (0x014, 'RAM Read Pointer Register'),
    'RWP': (0x018, 'RAM Write Pointer Register'),
    'TRG': (0x01C, 'Trigger Counter Register'),
    'CTL': (0x020, 'Control Register'),
    'RWD': (0x024, 'RAM Write Data Register'),
    'MODE': (0x028, 'Mode Register'),
    'LBUFLEVEL': (0x02C, 'Latched Buffer Fill Level'),
    'CBUFLEVEL': (0x030, 'Current Buffer Fill Level'),
    'BUFWM': (0x034, 'Buffer Level Water Mark'),
    'RRPHI': (0x038, 'RAM Read Pointer High Register'),
    'RWPHI': (0x03C, 'RAM Write Pointer High Register'),
    'AXICTL': (0x110, 'AXI Control Register'),
    'DBALO': (0x118, 'Data Buffer Address Low Register'),
    'DBAHI': (0x11C, 'Data Buffer Address High Register'),
    'FFSR': (0x300, 'Formatter and Flush Status Register'),
    'FFCR': (0x304, 'Formatter and Flush Control Register'),
    'PSCR': (0x308, 'Periodic Synchronization Counter Register'),
    'ITATBMDATA0': (0xED0, 'Integration Test ATB Master Data Register 0'),
    'ITATBMCTR2': (0xED4, 'Integration Test ATB Master Interface Control 2 Register'),
    'ITATBMCTR1': (0xED8, 'Integration Test ATB Master Control Register 1'),
    'ITATBMCTR0': (0xEDC, 'Integration Test ATB Master Interface Control 0 Register'),
    'ITMISCOP0': (0xEE0, 'Integration Test Miscellaneous Output Register 0'),
    'ITTRFLIN': (0xEE8, 'Integration Test Trigger In and Flush In Register'),
    'ITATBDATA0': (0xEEC, 'Integration Test ATB Data Register 0'),
    'ITATBCTR2': (0xEF0, 'Integration Test ATB Control 2 Register'),
    'ITATBCTR1': (0xEF4, 'Integration Test ATB Control 1 Register'),
    'ITATBCTR0': (0xEF8, 'Integration Test ATB Control 0 Register'),
    'ITCTRL': (0xF00, 'Integration Mode Control Register'),
    'CLAIMSET': (0xFA0, 'Claim Tag Set Register'),
    'CLAIMCLR': (0xFA4, 'Claim Tag Clear Register'),
    'LAR': (0xFB0, 'Lock Access Register'),
    'LSR': (0xFB4, 'Lock Status Register'),
    'AUTHSTATUS': (0xFB8, 'Authentication Status Register'),
    'DEVID': (0xFC8, 'Device Configuration Register'),
    'DEVTYPE': (0xFCC, 'Device Type Identifier Register'),
    'PERIPHID4': (0xFD0, 'Peripheral ID4 Register'),
    'PERIPHID5': (0xFD4, 'Peripheral ID5 Register'),
    'PERIPHID6': (0xFD8, 'Peripheral ID6 Register'),
    'PERIPHID7': (0xFDC, 'Peripheral ID7 Register'),
    'PERIPHID0': (0xFE0, 'Peripheral ID0 Register'),
    'PERIPHID1': (0xFE4, 'Peripheral ID1 Register'),
    'PERIPHID2': (0xFE8, 'Peripheral ID2 Register'),
    'PERIPHID3': (0xFEC, 'Peripheral ID3 Register'),
    'COMPID0': (0xFF0, 'Component ID0 Register'),
    'COMPID1': (0xFF4, 'Component ID1 Register'),
    'COMPID2': (0xFF8, 'Component ID2 Register'),
    'COMPID3': (0xFFC, 'Component ID3 Register'),
}

etm_registers = {
    'ETMCR': (0x000, 'Main Control Register'),
    'ETMCCR': (0x001, 'Configuration Code Register'),
    'ETMTRIGGER': (0x002, 'Trigger Event Register'),
    'ETMSR': (0x004, 'Status Register'),
    'ETMCSR': (0x005, 'System Configuration Register'),
    'ETMTSSCR': (0x006, 'TraceEnable Start/Stop Control Register'),
    'ETMTEEVR': (0x008, 'TraceEnable Event Register'),
    'ETMTECR1': (0x009, 'TraceEnable Control Register'),
    'ETMFFLR': (0x00B, 'FIFOFULL Level Register'),
    'ETMACVR0': (0x10, 'Address Comparator Value Register 0'),
    'ETMACVR1': (0x11, 'Address Comparator Value Register 1'),
    'ETMACVR2': (0x12, 'Address Comparator Value Register 2'),
    'ETMACVR3': (0x13, 'Address Comparator Value Register 3'),
    'ETMACVR4': (0x14, 'Address Comparator Value Register 4'),
    'ETMACVR5': (0x15, 'Address Comparator Value Register 5'),
    'ETMACVR6': (0x16, 'Address Comparator Value Register 6'),
    'ETMACVR7': (0x17, 'Address Comparator Value Register 7'),
    'ETMACVR8': (0x18, 'Address Comparator Value Register 8'),
    'ETMACVR9': (0x19, 'Address Comparator Value Register 9'),
    'ETMACVRA': (0x1A, 'Address Comparator Value Register A'),
    'ETMACVRB': (0x1B, 'Address Comparator Value Register B'),
    'ETMACVRC': (0x1C, 'Address Comparator Value Register C'),
    'ETMACVRD': (0x1D, 'Address Comparator Value Register D'),
    'ETMACVRE': (0x1E, 'Address Comparator Value Register E'),
    'ETMACVRF': (0x1F, 'Address Comparator Value Register F'),

    'ETMACVT0': (0x20, 'Address Comparator Type Register 0'),
    'ETMACVT1': (0x21, 'Address Comparator Type Register 1'),
    'ETMACVT2': (0x22, 'Address Comparator Type Register 2'),
    'ETMACVT3': (0x23, 'Address Comparator Type Register 3'),
    'ETMACVT4': (0x24, 'Address Comparator Type Register 4'),
    'ETMACVT5': (0x25, 'Address Comparator Type Register 5'),
    'ETMACVT6': (0x26, 'Address Comparator Type Register 6'),
    'ETMACVT7': (0x27, 'Address Comparator Type Register 7'),
    'ETMACVT8': (0x28, 'Address Comparator Type Register 8'),
    'ETMACVT9': (0x29, 'Address Comparator Type Register 9'),
    'ETMACVTA': (0x2A, 'Address Comparator Type Register A'),
    'ETMACVTB': (0x2B, 'Address Comparator Type Register B'),
    'ETMACVTC': (0x2C, 'Address Comparator Type Register C'),
    'ETMACVTD': (0x2D, 'Address Comparator Type Register D'),
    'ETMACVTE': (0x2E, 'Address Comparator Type Register E'),
    'ETMACVTF': (0x2F, 'Address Comparator Type Register F'),

    'ETMCNTRLDVR0': (0x050, 'Counter Reload Value Register 0'),
    'ETMCNTRLDVR1': (0x051, 'Counter Reload Value Register 1'),
    'ETMCNTRLDVR2': (0x052, 'Counter Reload Value Register 2'),
    'ETMCNTRLDVR3': (0x053, 'Counter Reload Value Register 3'),

    'ETMCNTRENR0': (0x054, 'Counter Enable Event Register 0'),
    'ETMCNTRENR1': (0x055, 'Counter Enable Event Register 1'),
    'ETMCNTRENR2': (0x056, 'Counter Enable Event Register 2'),
    'ETMCNTRENR3': (0x057, 'Counter Enable Event Register 3'),

    'ETMCNTRLDEVR0': (0x058, 'Counter Reload Event Registers 0'),
    'ETMCNTRLDEVR1': (0x059, 'Counter Reload Event Registers 1'),
    'ETMCNTRLDEVR2': (0x05A, 'Counter Reload Event Registers 2'),
    'ETMCNTRLDEVR3': (0x05B, 'Counter Reload Event Registers 3'),

    'ETMCNTVR0': (0x05C, 'Counter Value Register 0'),
    'ETMCNTVR1': (0x05D, 'Counter Value Register 1'),
    'ETMCNTVR2': (0x05E, 'Counter Value Register 2'),
    'ETMCNTVR3': (0x05F, 'Counter Value Register 3'),

    'ETMSQabEVR0': (0x060, 'Sequencer State Transition Event Register 0'),
    'ETMSQabEVR1': (0x061, 'Sequencer State Transition Event Register 1'),
    'ETMSQabEVR2': (0x062, 'Sequencer State Transition Event Register 2'),
    'ETMSQabEVR3': (0x063, 'Sequencer State Transition Event Register 3'),
    'ETMSQabEVR4': (0x064, 'Sequencer State Transition Event Register 4'),
    'ETMSQabEVR5': (0x065, 'Sequencer State Transition Event Register 5'),

    'ETMSQR': (0x067, 'Current Sequencer State Register'),

    'ETMEXTOUTEVR0': (0x068, 'External Output Event Registers 0'),
    'ETMEXTOUTEVR1': (0x069, 'External Output Event Registers 1'),
    'ETMEXTOUTEVR2': (0x06A, 'External Output Event Registers 2'),
    'ETMEXTOUTEVR3': (0x06B, 'External Output Event Registers 3'),

    'ETMCIDCVR0': (0x06C, 'Context ID Comparator Value Register 0'),
    'ETMCIDCVR1': (0x06D, 'Context ID Comparator Value Register 1'),
    'ETMCIDCVR2': (0x06E, 'Context ID Comparator Value Register 2'),

    'ETMCIDCMR0': (0x06F, 'Context ID Mask Register'),

    'ETMIMPSPEC0': (0x070, 'Implementation Specific Register 0'),
    'ETMIMPSPEC1': (0x071, 'Implementation Specific Register 1'),
    'ETMIMPSPEC2': (0x072, 'Implementation Specific Register 2'),
    'ETMIMPSPEC3': (0x073, 'Implementation Specific Register 3'),
    'ETMIMPSPEC4': (0x074, 'Implementation Specific Register 4'),
    'ETMIMPSPEC5': (0x075, 'Implementation Specific Register 5'),
    'ETMIMPSPEC6': (0x076, 'Implementation Specific Register 6'),
    'ETMIMPSPEC7': (0x077, 'Implementation Specific Register 7'),

    'ETMSYNCFR': (0x078, 'Synchronization Frequency Register'),
    'ETMIDR': (0x079, 'ID register'),
    'ETMCCER': (0x07A, 'Configuration Code Extension Register'),
    'ETMEXTINSELR': (0x07B, 'Extended External Input Selection Register'),
    'ETMTESSEICR': (0x07C, 'TraceEnable Start/Stop EmbeddedICE Control Register'),
    'ETMEIBCR': (0x07D, 'EmbeddedICE Behavior COntrol Register'),
    'ETMTSEVR': (0x07E, 'Timestamp Event Register'),
    'ETMAUXCR': (0x07F, 'Auxilary Control Register'),
    'ETMTRACEIDR': (0x080, 'CoreSight Trace ID Register'),
    'ETMVMIDCVR': (0x090, 'VMID Comparator Value Register'),

    'ETMOSLAR': (0x0C0, 'OS Lock Access Register'),
    'ETMOSLSR': (0x0C1, 'OS Lock Status Register'),
    'ETMPDCR': (0x0C4, 'Device Power-DOwn Control Register'),
    'ETMPDSR': (0x0C5, 'Device Power Down Status Register'),

    'ETMITCTRL': (0x3C0, 'Integration Mode Control Register'),
    'ETMCLAIMSET': (0x3E8, 'Claim Tag Set Register'),
    'ETMCLAIMCLR': (0x3E9, 'Claim Tag Clear Register'),
    'ETMLAR': (0x3Ec, 'Lock Access Register'),
    'ETMLSR': (0x3ED, 'Lock Status Register'),
    'ETMAUTHSTATUS': (0x3EE, 'Authentication Status Register'),
    'ETMDEVID': (0x3F2, 'Device Configuration Register'),
    'ETMDEVTYPE': (0x3F3, 'Device Type Register'),
    'ETMPIDR4': (0x3F4, 'Peripheral ID4 Register'),
    'ETMPIDR0': (0x3F8, 'Peripheral ID0 Register'),
    'ETMPIDR1': (0x3F9, 'Peripheral ID1 Register'),
    'ETMPIDR2': (0x3FA, 'Peripheral ID2 Register'),
    'ETMPIDR3': (0x3FB, 'Peripheral ID3 Register'),
    'ETMCIDR0': (0x3FC, 'Component ID0 Register'),
    'ETMCIDR1': (0x3FD, 'Component ID1 Register'),
    'ETMCIDR2': (0x3FE, 'Component ID2 Register'),
}

dbgui_registers = {
    'DBGUI_SECURE' : (0x000, 'Secure Register'),
    'DBGUI_CTL' : (0x004, 'Clear Register'),
    'DBGUI_CTL_MASK' : (0x008, 'CTL Mask Register'),
    'DBGUI_SWTRIG' : (0x00C, 'Software Trigger Register'),
    'DBGUI_STATUS' : (0x010, 'Status Register Register'),
    'DBGUI_HWE_MASK' : (0x014, 'Hardware Event Mask Register'),
    'DBGUI_CTR_VAL' : (0x018, 'Timeout Counter Terminal Value Register'),
    'DBGUI_CTR_EN' : (0x01C, 'Timeout Counter Enable Register'),
    'DBGUI_NUM_REGS_RD' : (0x020, 'Number of Register Read Control Register'),
    'DBGUI_ATB_REG' : (0x024, 'ATB Configuration Register'),
}

class QDSSDump():

    def __init__(self):
        self.tmc_etr_start = None
        self.etf_start = None
        self.tmc_etf_start = None
        self.etm_regs0 = None
        self.etm_regs1 = None
        self.etm_regs2 = None
        self.etm_regs3 = None
        self.dbgui_start = None

    # Assumptions: Any address given here has been checked for correct magic
    def print_tmc_etf(self, ram_dump):
        if self.tmc_etf_start is None:
            print_out_str(
                "!!! TMC-ETF address has not been set! I can't continue!")
            return

        print_out_str('Now printing TMC-ETF registers to file')
        tmc_etf_out = ram_dump.open_file('tmc_etf.txt')
        for a, b in tmc_registers.iteritems():
            offset, name = b
            tmc_etf_out.write('{0} ({1}): {2:x}\n'.format(
                a, name, ram_dump.read_u32(self.tmc_etf_start + offset, False)))
        tmc_etf_out.close()

    def print_tmc_etr(self, ram_dump):
        if self.tmc_etr_start is None:
            print_out_str(
                "!!! TMC-ETR address has not been set! I can't continue!")
            return

        print_out_str('Now printing TMC-ETR registers to file')
        tmc_etf_out = ram_dump.open_file('tmc_etr.txt')
        for a, b in tmc_registers.iteritems():
            offset, name = b
            tmc_etf_out.write('{0} ({1}): {2:x}\n'.format(
                a, name, ram_dump.read_u32(self.tmc_etr_start + offset, False)))
        tmc_etf_out.close()

    def print_etm_registers(self, ram_dump, base, fname):
        etm_out = ram_dump.open_file(fname)
        for a, b in etm_registers.iteritems():
            offset, name = b
            etm_out.write('{0} ({1}): {2:x})\n'.format(
                a, name, ram_dump.read_u32(base + offset * 4, False)))
        etm_out.close()

    def print_all_etm_register(self, ram_dump):
        if self.etm_regs0 is None:
            print_out_str(
                '!!! ETM REGS 0 address was not set! Nothing will be parsed')
        else:
            self.print_etm_registers(ram_dump, self.etm_regs0, 'etm_regs0')

        if self.etm_regs1 is None:
            print_out_str(
                '!!! ETM REGS 1 address was not set! Nothing will be parsed')
        else:
            self.print_etm_registers(ram_dump, self.etm_regs1, 'etm_regs1')

        if self.etm_regs2 is None:
            print_out_str(
                '!!! ETM REGS 2 address was not set! Nothing will be parsed')
        else:
            self.print_etm_registers(ram_dump, self.etm_regs2, 'etm_regs2')

        if self.etm_regs3 is None:
            print_out_str(
                '!!! ETM REGS 3 address was not set! Nothing will be parsed')
        else:
            self.print_etm_registers(ram_dump, self.etm_regs3, 'etm_regs3')

    def save_etf_bin(self, ram_dump):
        tmc_etf = ram_dump.open_file('tmc-etf.bin')
        if self.tmc_etf_start is None or self.etf_start is None:
            print_out_str('!!! ETF was not the current sink!')
            tmc_etf.close()
            return

        ctl_offset, ctl_desc = tmc_registers['CTL']
        mode_offset, mode_desc = tmc_registers['MODE']
        rsz_offset, rsz_desc = tmc_registers['RSZ']

        ctl = ram_dump.read_u32(self.tmc_etf_start + ctl_offset, False)
        mode = ram_dump.read_u32(self.tmc_etf_start + mode_offset, False)
        rsz = ram_dump.read_u32(self.tmc_etf_start + rsz_offset, False)
        # rsz is given in words so convert to bytes
        rsz = 4 * rsz

        if (ctl & 0x1) == 1 and (mode == 0):
            for i in range(0, rsz):
                val = ram_dump.read_byte(self.etf_start + i, False)
                tmc_etf.write(struct.pack('<B', val))
        else:
            print_out_str('!!! ETF was not the current sink!')

        tmc_etf.close()

    def read_sg_data(self, dbaddr, sts, rwpval, ram_dump, tmc_etr):
        start = dbaddr
        continue_looping = True
        if (sts & 0x1) == 1:
            bottom_delta_read = False
            while continue_looping:
                entry = ram_dump.read_u32(start, False)
                blk = (entry >> 4) << 12
                if (entry & 0x3) == 3:
                    start = blk
                    continue
                elif (entry & 0x2) == 2:
                    if blk <= rwpval and rwpval < (blk + 4096):
                        if not bottom_delta_read:
                            it = range(rwpval, blk + 4096)
                            bottom_delta_read = True
                        else:
                            it = range(blk, blk + (rwpval - blk))
                            continue_looping = False
                    elif bottom_delta_read:
                        it = range(blk, blk + 4096)
                    else:
                        start += 4
                        continue
                    start += 4
                elif (entry & 0x1) == 1:
                    if blk <= rwpval and rwpval < (blk + 4096):
                        if not bottom_delta_read:
                            it = range(rwpval, blk + 4096)
                            bottom_delta_read = True
                        else:
                            it = range(blk, blk + (rwpval - blk))
                            continue_looping = False
                    elif bottom_delta_read:
                        it = range(blk, blk + 4096)
                    else:
                        start = dbaddr
                        continue
                    start = dbaddr
                else:
                    break

                for i in it:
                    val = ram_dump.read_byte(i, False)
                    tmc_etr.write(struct.pack("<B",val))
        else:
            while continue_looping:
                entry = ram_dump.read_u32(start, False)
                blk = (entry >> 4) << 12
                if (entry & 0x3) == 3:
                    start = blk
                    continue
                elif (entry & 0x2) == 2:
                    it = range(blk, blk + 4096)
                    start += 4
                elif (entry & 0x1) == 1:
                    it = range(blk, blk + 4096)
                    continue_looping = False
                else:
                    break

                for i in it:
                    val = ram_dump.read_byte(i, False)
                    tmc_etr.write(struct.pack("<B",val))

    def save_etr_bin(self, ram_dump):
        tmc_etr = ram_dump.open_file('tmc-etr.bin')
        if self.tmc_etr_start is None:
            print_out_str('!!! ETR was not enabled!')
            tmc_etr.close()
            return

        ctl_offset, ctl_desc = tmc_registers['CTL']
        mode_offset, mode_desc = tmc_registers['MODE']

        ctl = ram_dump.read_u32(self.tmc_etr_start + ctl_offset, False)
        mode = ram_dump.read_u32(self.tmc_etr_start + mode_offset, False)

        if (ctl & 0x1) == 1 and (mode == 0):
            sts_offset, sts_desc = tmc_registers['STS']
            sts = ram_dump.read_u32(self.tmc_etr_start + sts_offset, False)

            dbalo_offset, dbalo_desc = tmc_registers['DBALO']
            dbalo = ram_dump.read_u32(
                self.tmc_etr_start + dbalo_offset, False)
            dbahi_offset, dbahi_desc = tmc_registers['DBAHI']
            dbahi = ram_dump.read_u32(
                self.tmc_etr_start + dbahi_offset, False)
            dbaddr = (dbahi << 32) + dbalo

            rsz_offset, rsz_desc = tmc_registers['RSZ']
            rsz = ram_dump.read_u32(self.tmc_etr_start + rsz_offset, False)
            # rsz is given in words so convert to bytes
            rsz = 4 * rsz

            rwp_offset, rwp_desc = tmc_registers['RWP']
            rwp = ram_dump.read_u32(self.tmc_etr_start + rwp_offset, False)
            rwphi_offset, rwphi_desc = tmc_registers['RWPHI']
            rwphi = ram_dump.read_u32(self.tmc_etr_start + rwphi_offset, False)
            rwpval = (rwphi << 32) + rwp

            axictl_offset, axictl_desc = tmc_registers["AXICTL"]
            axictl = ram_dump.read_u32(self.tmc_etr_start + axictl_offset, False)

            if ((axictl >> 7) & 0x1) == 1:
                print_out_str('Scatter gather memory type was selected for TMC ETR')
                self.read_sg_data(dbaddr, sts, rwpval, ram_dump, tmc_etr)
            else:
                print_out_str('Contiguous memory type was selected for TMC ETR')
                if (sts & 0x1) == 1:
                    it = itertools.chain(range(rwpval, dbaddr+rsz), range(dbaddr, rwpval))
                else:
                    it = range(dbaddr, dbaddr+rsz)

                for i in it:
                    val = ram_dump.read_byte(i, False)
                    tmc_etr.write(struct.pack("<B",val))
        else:
            print_out_str ('!!! ETR was not the current sink!')

        tmc_etr.close()

    def print_dbgui_registers(self, ram_dump):
        if self.dbgui_start is None:
            print_out_str(
                "!!!DBGUI address has not been  set! I can't continue!")
            return

        print_out_str('Now printing DBGUI registers to file')
        dbgui_out = ram_dump.open_file('dbgui.txt')
        for a, b in dbgui_registers.iteritems():
            offset, name = b
            dbgui_out.write('{0} ({1}): {2:x}\n'.format(
                a, name, ram_dump.read_u32(self.dbgui_start + offset, False)))

        addr = ram_dump.read_word(ram_dump.address_of('dbgui_drvdata'))
        addr_offset_offset = ram_dump.field_offset('struct dbgui_drvdata', 'addr_offset')
        data_offset_offset = ram_dump.field_offset('struct dbgui_drvdata', 'data_offset')
        size_offset = ram_dump.field_offset('struct dbgui_drvdata', 'size')
        addr_offset = ram_dump.read_u32(addr + addr_offset_offset, True)
        data_offset = ram_dump.read_u32(addr + data_offset_offset, True)
        size = ram_dump.read_u32(addr + size_offset, True)

        for i in range(0, size):
            dbgui_out.write('ADDR_{0} ({1:x}) : {2:x}\n'.format(
                i, ram_dump.read_u32(self.dbgui_start + addr_offset + (4 * i), False),
                ram_dump.read_u32(self.dbgui_start + data_offset + (4 * i), False)))
        dbgui_out.close()

    def dump_standard(self, ram_dump):
        self.print_tmc_etf(ram_dump)
        self.print_tmc_etr(ram_dump)
        self.print_dbgui_registers(ram_dump)
        self.print_all_etm_register(ram_dump)