config-tools: generate ACFG_MAX_PCI_BUS_NUM based on board.xml

Extract the max pci bus number from board information and generate the
common configuration macro ACFG_MAX_PCI_BUS_NUM automatically.

Tracked-On: #6942
Signed-off-by: Yang,Yu-chu <yu-chu.yang@intel.com>

misc/config_tools/static_allocators/board_capability.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021 Intel Corporation.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+import common
+
+def fn(board_etree, scenario_etree, allocation_etree):
+    pci_bus_nums =  board_etree.xpath("//bus[@type='pci']/@address")
+    common.append_node("/acrn-config/platform/MAX_PCI_BUS_NUM", hex(max(map(lambda x: int(x, 16), pci_bus_nums)) + 1), allocation_etree)

misc/config_tools/xforms/config.h.xsl

@@ -26,11 +26,20 @@
   </xsl:template>
 
   <xsl:template name="entry-by-key-value">
+    <xsl:param name="prefix" />
     <xsl:param name="key" />
     <xsl:param name="value" />
     <xsl:param name="default" />
 
-    <xsl:text>#define CONFIG_</xsl:text>
+    <xsl:text>#define </xsl:text>
+    <xsl:choose>
+      <xsl:when test="$prefix != ''">
+        <xsl:value-of select="$prefix" />
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:text>CONFIG_</xsl:text>
+      </xsl:otherwise>
+    </xsl:choose>
     <xsl:value-of select="$key" />
     <xsl:text> </xsl:text>
     <xsl:choose>

misc/config_tools/xforms/config.mk.xsl

@@ -21,11 +21,19 @@
   </xsl:template>
 
   <xsl:template name="entry-by-key-value">
+    <xsl:param name="prefix" />
     <xsl:param name="key" />
     <xsl:param name="value" />
     <xsl:param name="default" />
 
-    <xsl:text>CONFIG_</xsl:text>
+    <xsl:choose>
+      <xsl:when test="$prefix != ''">
+        <xsl:value-of select="$prefix" />
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:text>CONFIG_</xsl:text>
+      </xsl:otherwise>
+    </xsl:choose>
     <xsl:value-of select="$key" />
     <xsl:text>=</xsl:text>
     <xsl:choose>

misc/config_tools/xforms/config_common.xsl

@@ -151,8 +151,10 @@
   </xsl:template>
 
   <xsl:template match="CAPACITIES">
-    <xsl:call-template name="integer-by-key">
-      <xsl:with-param name="key" select="'IOMMU_BUS_NUM'" />
+    <xsl:call-template name="integer-by-key-value">
+      <xsl:with-param name="prefix" select="'ACFG_'" />
+      <xsl:with-param name="key" select="'MAX_PCI_BUS_NUM'" />
+      <xsl:with-param name="value" select="//allocation-data/acrn-config/platform/MAX_PCI_BUS_NUM" />
     </xsl:call-template>
 
     <xsl:call-template name="integer-by-key">
@@ -314,6 +316,7 @@
   <!-- Common library routines -->
 
   <xsl:template name="integer-by-key-value">
+    <xsl:param name="prefix" />
     <xsl:param name="key" />
     <xsl:param name="value" />
     <xsl:param name="default" />
@@ -321,18 +324,21 @@
     <xsl:choose>
       <xsl:when test="$value != ''">
 	<xsl:call-template name="entry-by-key-value">
+	  <xsl:with-param name="prefix" select="$prefix" />
 	  <xsl:with-param name="key" select="$key" />
 	  <xsl:with-param name="value" select="concat($value, $integer-suffix)" />
 	</xsl:call-template>
       </xsl:when>
       <xsl:when test="($value = '') and ($default != '')">
 	<xsl:call-template name="entry-by-key-value">
+	  <xsl:with-param name="prefix" select="$prefix" />
 	  <xsl:with-param name="key" select="$key" />
 	  <xsl:with-param name="value" select="concat($default, $integer-suffix)" />
 	</xsl:call-template>
       </xsl:when>
       <xsl:otherwise>
 	<xsl:call-template name="entry-by-key-value">
+	  <xsl:with-param name="prefix" select="$prefix" />
 	  <xsl:with-param name="key" select="$key" />
 	</xsl:call-template>
       </xsl:otherwise>