[SeaBIOS] [PATCH 1/7] kvmtool: initial support

Gerd Hoffmann kraxel at redhat.com
Tue Jul 7 08:38:40 CEST 2015


Add CONFIG_KVMTOOL, some initial preparations so seabios
at least prints some debug messages on the serial line.

Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
---
 Makefile    | 1 +
 src/Kconfig | 7 +++++++
 src/post.c  | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index e287530..d7053a6 100644
--- a/Makefile
+++ b/Makefile
@@ -87,6 +87,7 @@ endif
 
 target-y :=
 target-$(CONFIG_QEMU) += $(OUT)bios.bin
+target-$(CONFIG_KVMTOOL) += $(OUT)bios.bin
 target-$(CONFIG_CSM) += $(OUT)Csm16.bin
 target-$(CONFIG_COREBOOT) += $(OUT)bios.bin.elf
 target-$(CONFIG_BUILD_VGABIOS) += $(OUT)vgabios.bin
diff --git a/src/Kconfig b/src/Kconfig
index 14c38fb..7620067 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -25,6 +25,12 @@ choice
            Configure to be used by EFI firmware as Compatibility Support
            module (CSM) to provide legacy BIOS services.
 
+    config KVMTOOL
+        bool "Build for kvmtool"
+        select DEBUG_SERIAL
+        help
+            Configure for an emulated machine (kvmtool).
+
 endchoice
 
     config QEMU_HARDWARE
@@ -130,6 +136,7 @@ endchoice
 
     config ROM_SIZE
         int "ROM size (in KB)"
+        default 128 if KVMTOOL
         default 0
         help
             Set the ROM size.  Say '0' here to make seabios figure the
diff --git a/src/post.c b/src/post.c
index 6157b50..65a3c9c 100644
--- a/src/post.c
+++ b/src/post.c
@@ -327,7 +327,7 @@ dopost(void)
 void VISIBLE32FLAT
 handle_post(void)
 {
-    if (!CONFIG_QEMU && !CONFIG_COREBOOT)
+    if (!CONFIG_QEMU && !CONFIG_COREBOOT && !CONFIG_KVMTOOL)
         return;
 
     serial_debug_preinit();
-- 
1.8.3.1




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