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acrn-config: generate dmar info for board.c

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1. Parse DRHD_INFO section from board config xml, and generate dmar
structure information to board.c
2. Copy macro of DRHD_INFO from board config xml to $(board)_acpi_platform.h

Tracked-On: #3854
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 2019-11-05 16:51:43 +08:00 committed by wenlingz
parent ad9f424ce5
commit 7b0cafa84f
2 changed files with 63 additions and 15 deletions
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15
misc/acrn-config/board_config/acpi_platform_h.py
View File

@ -12,7 +12,7 @@ PLATFORM_HEADER = r"""/* DO NOT MODIFY THIS FILE UNLESS YOU KNOW WHAT YOU ARE DO
#define PLATFORM_ACPI_INFO_H
"""
PLATFORM_END_HEADER = "\n#endif /* PLATFORM_ACPI_INFO_H */"
PLATFORM_END_HEADER = "#endif /* PLATFORM_ACPI_INFO_H */"
class OverridAccessSize():
@ -144,18 +144,7 @@ def drhd_info_parser(config):
# write DRHD
print("/* DRHD of DMAR */", file=config)
for drhd in drhd_lines:
cur_num = drhd.strip().split()[1][4:5]
if drhd.strip().split()[1] == "DRHD_COUNT":
print("", file=config)
print("{}".format(drhd.strip()), file=config)
continue
if cur_num != prev_num:
print("", file=config)
print("{}".format(drhd.strip()), file=config)
prev_num = cur_num
print(drhd.strip(), file=config)
def platform_info_parser(config, default_platform):

63
misc/acrn-config/board_config/board_c.py
View File

@ -18,6 +18,62 @@ MSR_IA32_L3_MASK_BASE = 0x00000C90
MSR_IA32_L3_MASK_END = 0x00000D0F
def gen_dmar_structure(config):
"""Generate dmar structure information"""
dmar_info_lines = board_cfg_lib.get_info(board_cfg_lib.BOARD_INFO_FILE, "<DRHD_INFO>", "</DRHD_INFO>")
drhd_cnt = 0
drhd_dev_scope_cnt = []
dev_scope_type = []
# parse to get DRHD count and dev scope count
for dmar_line in dmar_info_lines:
if "DRHD_COUNT" in dmar_line and not drhd_cnt:
drhd_cnt = int(dmar_line.split()[2].strip('U'))
for i_cnt in range(drhd_cnt):
for dmar_line in dmar_info_lines:
dev_scope_cnt_str = "DRHD{}_DEV_CNT".format(i_cnt)
if dev_scope_cnt_str in dmar_line:
tmp_dev_scope_cnt = int(dmar_line.split()[2].strip('U'), 16)
drhd_dev_scope_cnt.append(tmp_dev_scope_cnt)
# gen dmar structure information
for i_drhd_cnt in range(drhd_cnt):
dev_cnt = drhd_dev_scope_cnt[i_drhd_cnt]
print("static struct dmar_dev_scope drhd{}_dev_scope[DRHD{}_DEV_CNT] = {{".format(
i_drhd_cnt, i_drhd_cnt), file=config)
for i_dev_cnt in range(dev_cnt):
print("\t{", file=config)
print("\t\t.type = DRHD{}_DEVSCOPE{}_TYPE,".format(i_drhd_cnt, i_dev_cnt), file=config)
print("\t\t.id = DRHD{}_DEVSCOPE{}_ID,".format(i_drhd_cnt, i_dev_cnt), file=config)
print("\t\t.bus = DRHD{}_DEVSCOPE{}_BUS,".format(i_drhd_cnt, i_dev_cnt), file=config)
print("\t\t.devfun = DRHD{}_DEVSCOPE{}_PATH,".format(i_drhd_cnt, i_dev_cnt), file=config)
print("\t},", file=config)
print("};", file=config)
print("", file=config)
print("static struct dmar_drhd drhd_info_array[DRHD_COUNT] = {", file=config)
for i_drhd_cnt in range(drhd_cnt):
print("\t{", file=config)
print("\t\t.dev_cnt = DRHD{}_DEV_CNT,".format(i_drhd_cnt), file=config)
print("\t\t.segment = DRHD{}_SEGMENT,".format(i_drhd_cnt), file=config)
print("\t\t.flags = DRHD{}_FLAGS,".format(i_drhd_cnt), file=config)
print("\t\t.reg_base_addr = DRHD{}_REG_BASE,".format(i_drhd_cnt), file=config)
print("\t\t.ignore = DRHD{}_IGNORE,".format(i_drhd_cnt), file=config)
print("\t\t.devices = drhd{}_dev_scope".format(i_drhd_cnt), file=config)
print("\t},", file=config)
print("};", file=config)
print("", file=config)
print("struct dmar_info plat_dmar_info = {", file=config)
print("\t.drhd_count = DRHD_COUNT,", file=config)
print("\t.drhd_units = drhd_info_array,", file=config)
print("};", file=config)
def gen_cat(config):
"""
Get CAT information
@ -101,12 +157,15 @@ def generate_file(config):
board_cfg_lib.handle_bios_info(config)
print(INCLUDE_HEADER, file=config)
# start to parser to get CAT info
# start to parse DMAR info
gen_dmar_structure(config)
# start to parse to get CAT info
err_dic = gen_cat(config)
if err_dic:
return err_dic
# start to parser PX/CX info
# start to parse PX/CX info
gen_px_cx(config)
return err_dic