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acrn-config: reserve 16M memory for hv start

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Need to reserved 16M for HV debug usage like sbuf/ramoops before HV RAM START
to avoid possible conflict with HV memory.

Tracked-On: #3602
Signed-off-by: Wei Liu <weix.w.liu@intel.com>
Acked-by: Victor Sun <victor.sun@intel.com>
This commit is contained in:
Wei Liu 2019-09-23 10:17:41 +08:00 committed by wenlingz
parent 6d7592b7cb
commit d35ca113d9
1 changed files with 16 additions and 11 deletions
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27
misc/acrn-config/board_config/new_board_kconfig.py
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@ -14,21 +14,21 @@ DESC = """
VM_NUM_MAP_TOTAL_HV_RAM_SIZE = { VM_NUM_MAP_TOTAL_HV_RAM_SIZE = {
# 120M # 120M
2:'0x7800000', 2:0x7800000,
# 150M # 150M
3:'0x9600000', 3:0x9600000,
# 180M # 180M
4:'0xB400000', 4:0xB400000,
# 210M # 210M
5:'0xD200000', 5:0xD200000,
# 240M # 240M
6:'0xF000000', 6:0xF000000,
# 270M # 270M
7:'0x10E00000', 7:0x10E00000,
} }
def get_addr_for_hv(ram_range, hpa_size): def find_avl_memory(ram_range, hpa_size):
""" """
This is get hv address from System RAM as host physical size This is get hv address from System RAM as host physical size
:param ram_range: System RAM mapping :param ram_range: System RAM mapping
@ -41,7 +41,7 @@ def get_addr_for_hv(ram_range, hpa_size):
tmp_order_key = sorted(ram_range) tmp_order_key = sorted(ram_range)
for start_addr in tmp_order_key: for start_addr in tmp_order_key:
mem_range = ram_range[start_addr] mem_range = ram_range[start_addr]
if mem_range > int(hpa_size, 16): if mem_range > int(hpa_size, 10):
ret_start_addr = start_addr ret_start_addr = start_addr
break break
@ -80,13 +80,18 @@ def generate_file(config):
return err_dic return err_dic
ram_range = get_ram_range() ram_range = get_ram_range()
hv_start_addr = get_addr_for_hv(ram_range, hv_ram_size)
# 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('CONFIG_BOARD="{}"'.format(board_cfg_lib.BOARD_NAME), file=config) print('CONFIG_BOARD="{}"'.format(board_cfg_lib.BOARD_NAME), file=config)
print("{}".format(DESC), file=config) print("{}".format(DESC), file=config)
print("CONFIG_HV_RAM_START={}".format(hv_start_addr), file=config) print("CONFIG_HV_RAM_START={}".format(hex(hv_start_addr)), file=config)
print("CONFIG_HV_RAM_SIZE={}".format(hv_ram_size), file=config) print("CONFIG_HV_RAM_SIZE={}".format(hex(hv_ram_size)), file=config)
return err_dic return err_dic