Re: [CT_NG] support for powerpc

["Dittmann, Daniel" <ddittmann at gmx dot net>]

Hi Yann,
All,

I attached a patch to add powerpc support in crosstool-ng.
Could you please make a short review because it my first patch.

Thanks,
Daniel



Yann E. MORIN schrieb:
> Hello Daniel,
> All,
> 
> On Thursday 15 May 2008 19:56:30 Dittmann, Daniel wrote:
>> crosstool-ng is a great tool, I like it. Thanks for it.
> 
> :-)
> 
>> The powerpc arch is currently not supported.
>> Is there any reason for it?
> 
> For two simple reasons:
>  1) I don't have personal interest in PPC, it not being one of my targets,
>     and thus I can't test by myself (although qemu might come handy);
>  2) noone with PPC interest has contributed code so far (or I missed it).
> 
> If you want, you can try to add PPC support. It's fairly easy to add a new
> architecture: please see the file "docs/overview.txt", chapter "Internals",
> section "Architecture-specific". Then look at what other targets do in arch/
> and adapt to the PPC case.
> 
> If you manage to have it working, then please share your experiment with us!
> 
> Regards,
> Yann E. MORIN.
> 

diff -Naur crosstool-ng-1.0.0.orig/arch/powerpc/config.in crosstool-ng-1.0.0/arch/powerpc/config.in
--- crosstool-ng-1.0.0.orig/arch/powerpc/config.in	1970-01-01 01:00:00.000000000 +0100
+++ crosstool-ng-1.0.0/arch/powerpc/config.in	2008-04-14 10:15:54.000000000 +0200
@@ -0,0 +1 @@
+# powerpc specific configuration file
diff -Naur crosstool-ng-1.0.0.orig/arch/powerpc/functions crosstool-ng-1.0.0/arch/powerpc/functions
--- crosstool-ng-1.0.0.orig/arch/powerpc/functions	1970-01-01 01:00:00.000000000 +0100
+++ crosstool-ng-1.0.0/arch/powerpc/functions	2008-03-28 15:45:51.000000000 +0100
@@ -0,0 +1,9 @@
+# Compute powerpc-specific values
+
+CT_DoArchValues () {
+    # The architecture part of the tuple:
+    CT_TARGET_ARCH="${CT_ARCH}"
+
+    # The kernel ARCH:
+    CT_KERNEL_ARCH=powerpc
+}
diff -Naur crosstool-ng-1.0.0.orig/config/target.in crosstool-ng-1.0.0/config/target.in
--- crosstool-ng-1.0.0.orig/config/target.in	2008-01-16 23:06:15.000000000 +0100
+++ crosstool-ng-1.0.0/config/target.in	2008-03-27 11:12:46.000000000 +0100
@@ -9,6 +9,7 @@
     default "arm"     if ARCH_ARM
     default "ia64"    if ARCH_IA64
     default "mips"    if ARCH_MIPS
+    default "powerpc" if ARCH_PPC
     default "sh"      if ARCH_SH
     default "x86"     if ARCH_x86
     default "x86_64"  if ARCH_x86_64
@@ -30,6 +31,10 @@
     depends on EXPERIMENTAL
     select ARCH_SUPPORTS_BOTH_ENDIAN
 
+config ARCH_PPC
+    bool
+    prompt "powerpc"
+
 config ARCH_SH
     bool
     prompt "sh (EXPERIMENTAL)"
@@ -92,6 +97,9 @@
 if ARCH_MIPS
 source config/arch/mips/config.in
 endif
+if ARCH_PPC
+source config/arch/powerpc/config.in
+endif
 if ARCH_SH
 source config/arch/sh/config.in
 endif

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