Hi,
thanks to all suggestions and help that I received from you in the last
days, I was able of succesfully compiling a Linux kernel using Cygwin.
Here I report all the steps that I made, just in case someone else need this
info.
Thanks again,
Claudio
1. Install cygwin among with the following packets:
libncurses, libncurses-devel, ELFIO, wget, gcc-core, gcc-g++,
cpio, make, patch, tar, vim, gettext, libintl
Note: install these packages using cygwin's setup.exe
2. Download and install on Windows an ELF toolchain for ARM from:
http://www.gnuarm.org/bu-2.17_gcc-4.2.0-c-c++_nl-1.15.0_gi-6.6.exe
Note: the default host toolchain of Cygwin is not ELF
Note: the toolchains of the Yagarto project are not compliant with Cygwin
3. Create on Windows the directory C:\kernel
4. Open a cygwin shell
5. Mount the directory as "managed":
mount -f -o managed C:\\kernel $HOME/kernel
Note: an ext2 partition is not necessary to compile the kernel.
6. Enter into the kernel directory:
cd $HOME/kernel
7. Download the kernel:
wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.tar.bz2
8. Extract the archive:
tar -xvjf linux-2.6.22.tar.bz2
9. Patch the kernel in the following points:
diff -ur linux-2.6.22/scripts/mod/file2alias.c
linux-2.6.22-new/scripts/mod/file2alias.c
--- linux-2.6.22/scripts/mod/file2alias.c 2007-07-09 01:32:17.000000000
+0200
+++ linux-2.6.22-new/scripts/mod/file2alias.c 2007-08-01 16:32:17.078125000
+0200
@@ -29,7 +29,12 @@
#include <ctype.h>
+/* Added by cloud */
+#ifdef __CYGWIN__
+typedef __uint32_t __u32;
+#else
typedef uint32_t __u32;
+#endif
typedef uint16_t __u16;
typedef unsigned char __u8;
diff -ur linux-2.6.22/scripts/mod/modpost.h
linux-2.6.22-new/scripts/mod/modpost.h
--- linux-2.6.22/scripts/mod/modpost.h 2007-07-09 01:32:17.000000000 +0200
+++ linux-2.6.22-new/scripts/mod/modpost.h 2007-08-01 16:37:04.281250000
+0200
@@ -11,6 +11,13 @@
#include "elfconfig.h"
+
+#ifdef __CYGWIN__
+typedef uint16_t Elf32_Section;
+typedef uint16_t Elf64_Section;
+#endif
+
+
#if KERNEL_ELFCLASS == ELFCLASS32
#define Elf_Ehdr Elf32_Ehdr
10. Configure the kernel:
make ARCH=arm CROSS_COMPILE=arm-elf- HOST_LOADLIBES="-lintl -lncurses"
menuconfig
11. Build the kernel:
make ARCH=arm CROSS_COMPILE=arm-elf- HOST_LOADLIBES="-lintl -lncurses"
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