Merge pull request #461 from osresearch/debug-linux

Enable verbose bootup debugging and set the early serial IO base port
linuxboot · Nov 28, 2019 · b4a647c · b4a647c
2 parents 81e7c1b + e177de6
commit b4a647c
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/config/linux-linuxboot.config b/config/linux-linuxboot.config
@@ -294,7 +294,7 @@ CONFIG_STACKTRACE=y
 # CONFIG_RCU_TRACE is not set
 # CONFIG_FTRACE is not set
 # CONFIG_STRICT_DEVMEM is not set
-# CONFIG_X86_VERBOSE_BOOTUP is not set
+CONFIG_X86_VERBOSE_BOOTUP=y
 # CONFIG_DOUBLEFAULT is not set
 CONFIG_IO_DELAY_0XED=y
 CONFIG_OPTIMIZE_INLINING=y

diff --git a/patches/linux-4.14.62/0000-efi_bds.patch b/patches/linux-4.14.62/0000-efi_bds.patch
@@ -43,3 +43,12 @@ diff -u --recursive ../../clean/linux-4.14.62/arch/x86/boot/compressed/eboot.c l
 
  	return boot_params;
  fail2:
+--- clean/linux-4.14.62/arch/x86/boot/compressed/early_serial_console.c	2018-08-09 12:16:40.000000000 +0200
++++ linux-4.14.62/arch/x86/boot/compressed/early_serial_console.c	2018-09-28 11:59:36.824015244 +0200
+@@ -1,5 +1,5 @@
+ #include "misc.h"
+
+-int early_serial_base;
++int early_serial_base = 0x3f8;
+
+ #include "../early_serial_console.c"