Cross-compiling (ES series) - Revision history

E3V3A: /* The setup script */

2013-01-24T20:03:45Z

‎The setup script

2013-01-24T20:03:14Z

‎The setup script

2013-01-24T20:00:46Z

‎The setup script

2013-01-24T19:57:15Z

‎The setup script

2013-01-24T19:46:43Z

‎Patching VDLinux for Cygwin use

2013-01-24T09:52:06Z

‎Inserting the Module

2013-01-24T05:37:41Z

‎(Z) Place Holder Template

2013-01-24T05:35:53Z

‎(Z) Place Holder Template

2013-01-24T05:35:13Z

‎(Z) Place Holder Template

2013-01-23T00:08:34Z

‎The Compiler Specific variables =

@@ Line 798: / Line 798: @@
 All of the above (and more) is put in our setup script.
-sexport.sh:
+'''sexport.sh''':
 <pre>
 #! /bin/sh
@@ Line 891: / Line 890: @@
 Obviously you have to edit the paths to what you have...
 ==== Patching the Kernel for Cygwin use ====

@@ Line 854: / Line 854: @@
 	echo -e "\nExported:\n "
 	echo " ARCH=$ARCH"
 	echo " CROSS_COMPILE=$CROSS_COMPILE"
 	echo " CONFIG_CROSS_COMPILE=$CONFIG_CROSS_COMPILE"
@@ Line 861: / Line 860: @@
 	echo " GCC_EXEC_PREFIX=${GCC_EXEC_PREFIX}";
 	echo " SYSROOT=${SYSROOT}";
 	echo " LD_RUN_PATH=${LD_RUN_PATH}";
 	echo;
@@ Line 892: / Line 890: @@
 </pre>
 [WIP]...

@@ Line 839: / Line 839: @@
 	export SYSROOT=/cygdrive/d/zarm/csbench/arm-none-linux-gnueabi/libc
-	export KCFLAGS="-imultilib ./ -mno-unaligned-access -mlittle-endian -marm -mapcs -mabi=aapcs-linux -mno-thumb-interwork -march=armv7-a -mfloat-abi=softfp -mtune=cortex-a8 -mfpu=vfp3"
+	export KCFLAGS="-imultilib ./ -mno-unaligned-access -mlittle-endian \
 	MODHOME=/cygdrive/d/zarm/myarm/kernel_modules

@@ Line 796: / Line 796: @@
 ==== The setup script ====
-All of the above (and more) can is put in our setup script.
+All of the above (and more) is put in our setup script.
 sexport.sh:
 [WIP]...

@@ Line 802: / Line 802: @@
 [WIP]...
-==== Patching VDLinux for Cygwin use ====
+==== Patching the Kernel for Cygwin use ====
-We will not show the boring details for this patching here.
+We will not show the boring details for this patching here. <br />
 Please have look in our forum [http://forum.samygo.tv/viewtopic.php?f=50&t=5230 HERE] for all the gory details.
 The patches are based on the following:
+ [1] https://sourcery.mentor.com/GNUToolchain/kbentry21
+ [2] http://communities.mentor.com/community/cs/archives/arm-gnu/msg01267.html
-!!WIP!!
+ [3] http://communities.mentor.com/community/cs/archives/arm-gnu/msg01799.html
-−
+ [4] [http://cygwin.com/ml/cygwin/2007-08/msg00101.html HOWTO: Linux kernel compilation for ARM using cygwin] (01 Aug 2007)
-blah
+ [5] [http://cygwin.com/ml/cygwin/2012-06/msg00221.html HOWTO: cross-compile the Linux kernel on Cygwin] (11 Jun 2012)
 ==== Download and install the patched VDLinux ====

@@ Line 1,026: / Line 1,026: @@
 Copy the module to your TV in the same way we did in the beginning.
- modinfo hellok1.ko
+For our TV set we have in dmesg:
-Insert the module with:
+So if we try to insert a kernel module with the wrong vermagic, we get an error message in "dmesg":
- insmod hellok1.ko
+    shell> /tmp/bin/busybox insmod /dtv/usb/sda1/hellok1.ko
-and check kernel/debug messages for the module:
+We edit the version.h file (mentioned above) and recompile our module. This time "dmesg" greets us with:
- dmesg
+    ...
-...
+You can then see your module in the FS:
 === The HelloWorld-2 kernel module ===

@@ Line 1,205: / Line 1,205: @@
 Testing more:
   Some ''whacky'' code.
   last line
 ok

@@ Line 783: / Line 783: @@
 The first one disables the Warning message that appears when Cygwin detects files using DOS EOL. While the second sets the path used for CodeBench to find the cygpath.exe path conversion program.
-==== The Compiler Specific variables =====
+==== The Compiler Specific variables ====
 Then to avoid having to type very long command lines for just doing a "make", we define the following:
@@ Line 793: / Line 793: @@
                   -marm -mapcs -mabi=aapcs-linux -mno-thumb-interwork \
                   -march=armv7-a -mfloat-abi=softfp -mtune=cortex-a8 -mfpu=vfp3"
 ==== The setup script ====