UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / ArmPlatformPkg / Scripts / Ds5 / system_table.py

#\r
#  Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
#\r
#  SPDX-License-Identifier: BSD-2-Clause-Patent\r
#\r
\r
from arm_ds.debugger_v1 import DebugException\r
\r
import struct\r
\r
import edk2_debugger\r
import firmware_volume\r
\r
class DebugInfoTable:\r
    CONST_DEBUG_INFO_TABLE_GUID = ( 0x49152E77L, 0x47641ADAL, 0xFE7AA2B7L, 0x8B5ED9FEL)\r
\r
    DebugInfos = []\r
\r
    def __init__(self, ec, debug_info_table_header_offset):\r
        self.ec = ec\r
        self.base = debug_info_table_header_offset\r
\r
    def get_debug_info(self):\r
        # Get the information from EFI_DEBUG_IMAGE_INFO_TABLE_HEADER\r
        count = self.ec.getMemoryService().readMemory32(self.base + 0x4)\r
        if edk2_debugger.is_aarch64(self.ec):\r
            debug_info_table_base = self.ec.getMemoryService().readMemory64(self.base + 0x8)\r
        else:\r
            debug_info_table_base = self.ec.getMemoryService().readMemory32(self.base + 0x8)\r
\r
        self.DebugInfos = []\r
\r
        for i in range(0, count):\r
            # Get the address of the structure EFI_DEBUG_IMAGE_INFO\r
            if edk2_debugger.is_aarch64(self.ec):\r
                debug_info = self.ec.getMemoryService().readMemory64(debug_info_table_base + (i * 8))\r
            else:\r
                debug_info = self.ec.getMemoryService().readMemory32(debug_info_table_base + (i * 4))\r
\r
            if debug_info:\r
                debug_info_type = self.ec.getMemoryService().readMemory32(debug_info)\r
                # Normal Debug Info Type\r
                if debug_info_type == 1:\r
                    if edk2_debugger.is_aarch64(self.ec):\r
                        # Get the base address of the structure EFI_LOADED_IMAGE_PROTOCOL\r
                        loaded_image_protocol = self.ec.getMemoryService().readMemory64(debug_info + 0x8)\r
\r
                        image_base = self.ec.getMemoryService().readMemory64(loaded_image_protocol + 0x40)\r
                        image_size = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x48)\r
                    else:\r
                        # Get the base address of the structure EFI_LOADED_IMAGE_PROTOCOL\r
                        loaded_image_protocol = self.ec.getMemoryService().readMemory32(debug_info + 0x4)\r
\r
                        image_base = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x20)\r
                        image_size = self.ec.getMemoryService().readMemory32(loaded_image_protocol + 0x28)\r
\r
                    self.DebugInfos.append((image_base,image_size))\r
\r
    # Return (base, size)\r
    def load_symbols_at(self, addr, verbose = False):\r
        if self.DebugInfos == []:\r
            self.get_debug_info()\r
\r
        found = False\r
        for debug_info in self.DebugInfos:\r
            if (addr >= debug_info[0]) and (addr < debug_info[0] + debug_info[1]):\r
                if edk2_debugger.is_aarch64(self.ec):\r
                    section = firmware_volume.EfiSectionPE64(self.ec, debug_info[0])\r
                else:\r
                    section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])\r
\r
                try:\r
                    edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase(), verbose)\r
                except Exception, (ErrorClass, ErrorMessage):\r
                    if verbose:\r
                        print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)\r
\r
                found = True\r
                return debug_info\r
\r
        if found == False:\r
            raise Exception('DebugInfoTable','No symbol found at 0x%x' % addr)\r
\r
    def load_all_symbols(self, verbose = False):\r
        if self.DebugInfos == []:\r
            self.get_debug_info()\r
\r
        for debug_info in self.DebugInfos:\r
            if edk2_debugger.is_aarch64(self.ec):\r
                section = firmware_volume.EfiSectionPE64(self.ec, debug_info[0])\r
            else:\r
                section = firmware_volume.EfiSectionPE32(self.ec, debug_info[0])\r
\r
            try:\r
                edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase(), verbose)\r
            except Exception, (ErrorClass, ErrorMessage):\r
                if verbose:\r
                    print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)\r
\r
    def dump(self):\r
        self.get_debug_info()\r
        for debug_info in self.DebugInfos:\r
            base_pe32 = debug_info[0]\r
            if edk2_debugger.is_aarch64(self.ec):\r
                section = firmware_volume.EfiSectionPE64(self.ec, base_pe32)\r
            else:\r
                section = firmware_volume.EfiSectionPE32(self.ec, base_pe32)\r
            print section.get_debug_filepath()\r
\r
class SystemTable:\r
    CONST_ST_SIGNATURE = ('I','B','I',' ','S','Y','S','T')\r
\r
    def __init__(self, ec, membase, memsize):\r
        self.membase = membase\r
        self.memsize = memsize\r
        self.ec = ec\r
\r
        found = False\r
\r
        # Start from the top of the memory\r
        offset = self.membase + self.memsize\r
        # Align to highest 4MB boundary\r
        offset = offset & ~0x3FFFFF\r
        # We should not have a System Table at the top of the System Memory\r
        offset = offset - 0x400000\r
\r
        # Start at top and look on 4MB boundaries for system table ptr structure\r
        while offset > self.membase:\r
            try:\r
                signature = struct.unpack("cccccccc", self.ec.getMemoryService().read(str(offset), 8, 32))\r
            except DebugException:\r
                raise Exception('SystemTable','Fail to access System Memory. Ensure all the memory in the region [0x%x;0x%X] is accessible.' % (membase,membase+memsize))\r
            if signature == SystemTable.CONST_ST_SIGNATURE:\r
                found = True\r
                if edk2_debugger.is_aarch64(self.ec):\r
                    self.system_table_base = self.ec.getMemoryService().readMemory64(offset + 0x8)\r
                else:\r
                    self.system_table_base = self.ec.getMemoryService().readMemory32(offset + 0x8)\r
                break\r
            offset = offset - 0x400000\r
\r
        if not found:\r
            raise Exception('SystemTable','System Table not found in System Memory [0x%x;0x%X]' % (membase,membase+memsize))\r
\r
    def get_configuration_table(self, conf_table_guid):\r
        if edk2_debugger.is_aarch64(self.ec):\r
            # Number of configuration Table entry\r
            conf_table_entry_count = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x68)\r
\r
            # Get location of the Configuration Table entries\r
            conf_table_offset = self.ec.getMemoryService().readMemory64(self.system_table_base + 0x70)\r
        else:\r
            # Number of configuration Table entry\r
            conf_table_entry_count = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x40)\r
\r
            # Get location of the Configuration Table entries\r
            conf_table_offset = self.ec.getMemoryService().readMemory32(self.system_table_base + 0x44)\r
\r
        for i in range(0, conf_table_entry_count):\r
            if edk2_debugger.is_aarch64(self.ec):\r
                offset = conf_table_offset + (i * 0x18)\r
            else:\r
                offset = conf_table_offset + (i * 0x14)\r
            guid = struct.unpack("<IIII", self.ec.getMemoryService().read(str(offset), 16, 32))\r
            if guid == conf_table_guid:\r
                if edk2_debugger.is_aarch64(self.ec):\r
                    return self.ec.getMemoryService().readMemory64(offset + 0x10)\r
                else:\r
                    return self.ec.getMemoryService().readMemory32(offset + 0x10)\r
\r
        raise Exception('SystemTable','Configuration Table not found')\r