From 713be89d5c60ea1e41a64c123a735ab9dc0dae99 Mon Sep 17 00:00:00 2001
From: Kevin O'Connor <kevin@koconnor.net>
Date: Wed, 26 Jan 2011 21:19:25 -0500
Subject: Start using Kconfig to configure SeaBIOS settings.

Create autoconf.h during the build.

Move a couple of config settings from config.h to Kconfig.
---
 .gitignore   |  2 ++
 Makefile     | 14 +++++++++++---
 src/Kconfig  | 15 +++++++++++++++
 src/config.h | 11 ++---------
 4 files changed, 30 insertions(+), 12 deletions(-)
 create mode 100644 src/Kconfig

diff --git a/.gitignore b/.gitignore
index 3aa6a21..f9990fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 out
 *.pyc
+.config
+.config.old
diff --git a/Makefile b/Makefile
index c7dfc0b..3f89caf 100644
--- a/Makefile
+++ b/Makefile
@@ -115,16 +115,18 @@ $(OUT)%.lds: %.lds.S
 	@echo "  Precompiling $@"
 	$(Q)$(CPP) -P -D__ASSEMBLY__ $< -o $@
 
+$(OUT)asm-offsets.s: $(OUT)autoconf.h
+
 $(OUT)asm-offsets.h: $(OUT)asm-offsets.s
 	@echo "  Generating offset file $@"
 	$(Q)./tools/gen-offsets.sh $< $@
 
 
-$(OUT)ccode.16.s: ; $(call whole-compile, $(CFLAGS16) -S, $(addprefix src/, $(SRC16)),$@)
+$(OUT)ccode.16.s: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS16) -S, $(addprefix src/, $(SRC16)),$@)
 
-$(OUT)code32seg.o: ; $(call whole-compile, $(CFLAGS32SEG), $(addprefix src/, $(SRC32SEG)),$@)
+$(OUT)code32seg.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS32SEG), $(addprefix src/, $(SRC32SEG)),$@)
 
-$(OUT)ccode32flat.o: ; $(call whole-compile, $(CFLAGS32FLAT), $(addprefix src/, $(SRC32FLAT)),$@)
+$(OUT)ccode32flat.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS32FLAT), $(addprefix src/, $(SRC32FLAT)),$@)
 
 $(OUT)code16.o: romlayout.S $(OUT)ccode.16.s $(OUT)asm-offsets.h
 	@echo "  Compiling (16bit) $@"
@@ -200,6 +202,12 @@ export CONFIG_SHELL       := sh
 export KCONFIG_AUTOHEADER := autoconf.h
 export KCONFIG_CONFIG     := $(CURDIR)/.config
 
+$(OUT)autoconf.h : $(KCONFIG_CONFIG)
+	$(Q)$(MAKE) silentoldconfig
+
+$(KCONFIG_CONFIG):
+	$(Q)$(MAKE) defconfig
+
 %onfig:
 	$(Q)mkdir -p $(OUT)/tools/kconfig/lxdialog
 	$(Q)mkdir -p $(OUT)/include/config
diff --git a/src/Kconfig b/src/Kconfig
new file mode 100644
index 0000000..f753c63
--- /dev/null
+++ b/src/Kconfig
@@ -0,0 +1,15 @@
+# Kconfig SeaBIOS configuration
+
+mainmenu "SeaBIOS Configuration"
+    config COREBOOT
+      bool "Configure as a coreboot payload."
+      default n
+    config DEBUG_LEVEL
+      int "Control how verbose debug output is."
+      default 1
+    config DEBUG_SERIAL
+      bool "Send debugging information to serial port"
+      default n
+    config VGAHOOKS
+      bool "Support bios callbacks specific to via vgabios."
+      default n
diff --git a/src/config.h b/src/config.h
index db3e578..6356941 100644
--- a/src/config.h
+++ b/src/config.h
@@ -1,6 +1,8 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
+#include "../out/autoconf.h"
+
 // Configuration definitions.
 
 //#define CONFIG_APPNAME  "QEMU"
@@ -12,13 +14,6 @@
 #define CONFIG_APPNAME6 "BOCHS "
 #define CONFIG_APPNAME4 "BXPC"
 
-// Configure as a coreboot payload.
-#define CONFIG_COREBOOT 0
-
-// Control how verbose debug output is.
-#define CONFIG_DEBUG_LEVEL 1
-// Send debugging information to serial port
-#define CONFIG_DEBUG_SERIAL 0
 // Screen writes are also sent to debug ports.
 #define CONFIG_SCREEN_AND_DEBUG 1
 
@@ -119,8 +114,6 @@
 #define CONFIG_UUID_BACKDOOR 1
 // Support generation of ACPI tables (for emulators)
 #define CONFIG_ACPI 1
-// Support bios callbacks specific to via vgabios.
-#define CONFIG_VGAHOOKS 0
 // Support S3 resume handler.
 #define CONFIG_S3_RESUME 1
 // Run the vga rom during S3 resume.
-- 
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