acrn-hypervisor/misc/acrn-config/board_config/new_board_kconfig.py
Wei Liu c0e1a5d7df acrn-config: add serial config in new $(board).config
Enhance the $(board).config for new board.
Serial config should be set in $(board).config for new board.

Tracked-On: #3854
Signed-off-by: Wei Liu <weix.w.liu@intel.com>
Acked-by: Victor Sun <victor.sun@intel.com>
2019-11-01 13:33:29 +08:00

132 lines
3.8 KiB
Python

# Copyright (C) 2019 Intel Corporation. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
import sys
import board_cfg_lib
DESC = """
# New board kconfig generated by vm config tool
# Modified by Kconfiglib (https://github.com/ulfalizer/Kconfiglib)
"""
VM_NUM_MAP_TOTAL_HV_RAM_SIZE = {
# 120M
2:0x7800000,
# 150M
3:0x9600000,
# 180M
4:0xB400000,
# 210M
5:0xD200000,
# 240M
6:0xF000000,
# 270M
7:0x10E00000,
}
def find_avl_memory(ram_range, hpa_size):
"""
This is get hv address from System RAM as host physical size
:param ram_range: System RAM mapping
:param hpa_size: fixed host physical size
:return: start host physical address
"""
ret_start_addr = 0
tmp_order_key = 0
tmp_order_key = sorted(ram_range)
for start_addr in tmp_order_key:
mem_range = ram_range[start_addr]
if mem_range > int(hpa_size, 10):
ret_start_addr = start_addr
break
return hex(ret_start_addr)
def get_ram_range():
""" Get System RAM range mapping """
# read system ram from board_info.xml
ram_range = {}
sys_mem_lines = board_cfg_lib.get_info(
board_cfg_lib.BOARD_INFO_FILE, "<SYSTEM_RAM_INFO>", "</SYSTEM_RAM_INFO>")
for line in sys_mem_lines:
start_addr = int(line.split('-')[0], 16)
end_addr = int(line.split('-')[1].split(':')[0], 16)
mem_range = end_addr - start_addr
ram_range[start_addr] = mem_range
return ram_range
def get_serial_type():
""" Get the serial type of consle which set by user """
ttys_type = ''
# Get ttySx information from board config file
ttys_lines = board_cfg_lib.get_info(board_cfg_lib.BOARD_INFO_FILE, "<TTYS_INFO>", "</TTYS_INFO>")
scenario_name = board_cfg_lib.get_scenario_name()
if scenario_name == "logical_partition":
ttyn = 'ttyS0'
else:
# Get ttySx from scenario config file which selected by user
(err_dic, ttyn) = board_cfg_lib.parser_vuart_console()
if err_dic:
board_cfg_lib.ERR_LIST.update(err_dic)
# query the serial type from board config file
for line in ttys_lines:
if ttyn in line:
# line format:
# seri:/dev/ttyS0 type:portio base:0x3F8 irq:4
# seri:/dev/ttyS0 type:mmio base:0xB3640000 irq:4
ttys_type = line.split()[1].split(':')[1]
break
return ttys_type
def generate_file(config):
"""Start to generate board.c
:param config: it is a file pointer of board information for writing to
"""
err_dic = {}
# this dictonary mapped with 'address start':'mem range'
ram_range = {}
if board_cfg_lib.VM_COUNT in list(VM_NUM_MAP_TOTAL_HV_RAM_SIZE.keys()):
hv_ram_size = VM_NUM_MAP_TOTAL_HV_RAM_SIZE[board_cfg_lib.VM_COUNT]
else:
board_cfg_lib.print_red("VM num should not greater than 8", err=True)
err_dic["baord config: total vm number error"] = "VM num should not greater than 8"
return err_dic
ram_range = get_ram_range()
# reseve 16M memory for hv sbuf, ramoops, etc.
reserved_ram = 0xf00000
total_size = reserved_ram + hv_ram_size
avl_start_addr = find_avl_memory(ram_range, str(total_size))
hv_start_addr = int(avl_start_addr, 16) + int(hex(reserved_ram), 16)
print("{}".format(DESC), file=config)
print('CONFIG_BOARD="{}"'.format(board_cfg_lib.BOARD_NAME), file=config)
serial_type = get_serial_type()
if serial_type == "portio":
print("CONFIG_SERIAL_LEGACY=y", file=config)
if serial_type == "mmio":
print("CONFIG_SERIAL_PCI=y", file=config)
print("CONFIG_HV_RAM_START={}".format(hex(hv_start_addr)), file=config)
print("CONFIG_HV_RAM_SIZE={}".format(hex(hv_ram_size)), file=config)
return err_dic