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config-tools: assign a fixed address to log area start address 

Reserve the log area in [VIRT_ACPI_NVS_ADDR + 0xB0000, 0x7FFF0000)

Tracked-On: #6320
Signed-off-by: Yang,Yu-chu <yu-chu.yang@intel.com>
This commit is contained in:
Yang,Yu-chu 2021-08-26 10:47:30 -07:00 committed by wenlingz
parent c9495a827b
commit 366ea37552
1 changed files with 9 additions and 7 deletions
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16
misc/config_tools/static_allocators/gpa.py
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@ -59,8 +59,12 @@ PCI_VUART_VBAR1_SIZE = 4 * SIZE_K
# Constants for vmsix bar
VMSIX_VBAR_SIZE = 4 * SIZE_K
# Constants for tpm2 log area minimum length
LOG_AREA_MIN_LEN = 256 * SIZE_K
# Constant for VIRT_ACPI_NVS_ADDR
"""
VIRT_ACPI_NVS_ADDR needs to be consistant with the layout of hypervisor\arch\x86\guest\ve820.c
"""
VIRT_ACPI_NVS_ADDR = 0x7FF00000
RESERVED_NVS_AREA = 0xB0000
class MmioWindow(namedtuple(
"MmioWindow", [
@ -356,15 +360,13 @@ def allocate_log_area(board_etree, scenario_etree, allocation_etree):
return
if common.get_node("//capability[@id='log_area']", board_etree) is not None:
# VIRT_ACPI_DATA_ADDR
log_area_min_len = int(common.get_node(f"//log_area_minimum_length/text()", board_etree), 16)
log_area_end_address = 0x7FFF0000
log_area_start_address = log_area_end_address - log_area_min_len
log_area_min_len_native = int(common.get_node(f"//log_area_minimum_length/text()", board_etree), 16)
log_area_start_address = common.round_up(VIRT_ACPI_NVS_ADDR, 0x10000) + RESERVED_NVS_AREA
allocation_vm_node = common.get_node(f"/acrn-config/vm[@id = '0']", allocation_etree)
if allocation_vm_node is None:
allocation_vm_node = common.append_node("/acrn-config/vm", None, allocation_etree, id = '0')
common.append_node("./log_area_start_address", hex(log_area_start_address).upper(), allocation_vm_node)
common.append_node("./log_area_minimum_length", hex(log_area_min_len).upper(), allocation_vm_node)
common.append_node("./log_area_minimum_length", hex(log_area_min_len_native).upper(), allocation_vm_node)
"""
Pre-launched VM gpa layout: