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https://github.com/projectacrn/acrn-hypervisor.git
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97c9b24030
Remove vm_configs folder and move all the XML files and generic code example into config_tools/data Tracked-On: #5644 Signed-off-by: Xie, nanlin <nanlin.xie@intel.com>
76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (C) 2021 Intel Corporation. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import sys, os
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sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'library'))
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import common, board_cfg_lib
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VM_NUM_MAP_TOTAL_HV_RAM_SIZE = {
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# 120M
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2:0x7800000,
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# 150M
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3:0x9600000,
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# 190M
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4:0xBE00000,
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# 210M
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5:0xD200000,
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# 250M
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6:0xFA00000,
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# 300M
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7:0x12C00000,
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# 328M
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8:0x14800000,
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}
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HV_RAM_SIZE_MAX = 0x40000000
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MEM_ALIGN = 2 * common.SIZE_M
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def fn(board_etree, scenario_etree, allocation_etree):
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# this dictonary mapped with 'address start':'mem range'
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ram_range = {}
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vm_count = common.count_nodes("//*[local-name() = 'vm']", scenario_etree)
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hv_ram_size = VM_NUM_MAP_TOTAL_HV_RAM_SIZE[vm_count]
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ivshmem_enabled = common.get_text("//IVSHMEM_ENABLED", scenario_etree)
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total_shm_size = 0
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if ivshmem_enabled == 'y':
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raw_shmem_regions = scenario_etree.xpath("//IVSHMEM_REGION/text()")
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for raw_shm in raw_shmem_regions:
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if raw_shm.strip() == '':
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continue
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raw_shm_splited = raw_shm.split(',')
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if len(raw_shm_splited) == 3 and raw_shm_splited[0].strip() != '' \
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and raw_shm_splited[1].strip() != '' and len(raw_shm_splited[2].strip().split(':')) >= 1:
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try:
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size = raw_shm_splited[1].strip()
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int_size = int(size) * 0x100000
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total_shm_size += int_size
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except Exception as e:
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print(e)
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hv_ram_size += total_shm_size
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assert(hv_ram_size <= HV_RAM_SIZE_MAX)
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# reseve 16M memory for hv sbuf, ramoops, etc.
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reserved_ram = 0x1000000
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# We recommend to put hv ram start address high than 0x10000000 to
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# reduce memory conflict with GRUB/SOS Kernel.
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hv_start_offset = 0x10000000
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total_size = reserved_ram + hv_ram_size
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for start_addr in list(board_cfg_lib.USED_RAM_RANGE):
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if hv_start_offset <= start_addr < 0x80000000:
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del board_cfg_lib.USED_RAM_RANGE[start_addr]
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ram_range = board_cfg_lib.get_ram_range()
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avl_start_addr = board_cfg_lib.find_avl_memory(ram_range, str(total_size), hv_start_offset)
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hv_start_addr = int(avl_start_addr, 16) + int(hex(reserved_ram), 16)
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hv_start_addr = common.round_up(hv_start_addr, MEM_ALIGN)
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board_cfg_lib.USED_RAM_RANGE[hv_start_addr] = total_size
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common.append_node("/acrn-config/hv/MEMORY/HV_RAM_START", hex(hv_start_addr), allocation_etree)
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common.append_node("/acrn-config/hv/MEMORY/HV_RAM_SIZE", hex(hv_ram_size), allocation_etree)
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