acrn-config: generate dmar info for board.c

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>

misc/acrn-config/board_config/acpi_platform_h.py

@@ -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]
+        print(drhd.strip(), file=config)
-
-        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
 
 
 def platform_info_parser(config, default_platform):

misc/acrn-config/board_config/board_c.py

@@ -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