[commit] r1355 - trunk/openbios-devel/config/scripts

[repository service]

Author: mcayland
Date: Fri Nov  6 16:06:27 2015
New Revision: 1355
URL: http://tracker.coreboot.org/trac/openbios/changeset/1355

Log:
switch-arch: factorize code to compute architecture properties.

Put in two functions code that computes if given architecture
is big endian or not, and the size of long (32bit or 64bit).

Signed-off-by: Laurent Vivier 
Signed-off-by: Mark Cave-Ayland

Modified:
   trunk/openbios-devel/config/scripts/switch-arch

Modified: trunk/openbios-devel/config/scripts/switch-arch
==============================================================================
--- trunk/openbios-devel/config/scripts/switch-arch	Fri Nov  6 16:06:25 2015	(r1354)
+++ trunk/openbios-devel/config/scripts/switch-arch	Fri Nov  6 16:06:27 2015	(r1355)
@@ -17,48 +17,44 @@
   exit 0
 fi

-crosscflags()
+is_bigendian()
 {
-    host=$1
-    target=$2
+    cpu=$1

-    if test "$host" = "powerpc" -o "$host" = "ppc" \
-        -o "$host" = "mips" -o "$host" = "s390" \
-        -o "$host" = "sparc32" -o "$host" = "sparc64" \
-        -o "$host" = "m68k" -o "$host" = "armv4b"; then
-        hostbigendian="yes"
+    if test "$cpu" = "powerpc" -o "$cpu" = "ppc" \
+        -o "$cpu" = "powerpc64" -o "$cpu" = "ppc64" \
+        -o "$cpu" = "mips" -o "$cpu" = "s390" \
+        -o "$cpu" = "sparc32" -o "$cpu" = "sparc64" \
+        -o "$cpu" = "m68k" -o "$cpu" = "armv4b"; then
+        echo yes
     else
-        hostbigendian="no"
+        echo no
     fi
+}

-# host long bits test
-    if test "$host" = "sparc64" -o "$host" = "ia64" \
-        -o "$host" = "amd64" -o "$host" = "x86_64" \
-        -o "$host" = "alpha"; then
-        hostlongbits="64"
+longbits()
+{
+    cpu=$1
+    if test "$cpu" = "sparc64" -o "$cpu" = "ia64" \
+        -o "$cpu" = "amd64" -o "$cpu" = "x86_64" \
+        -o "$cpu" = "powerpc64" -o "$cpu" = "ppc64" \
+        -o "$cpu" = "alpha"; then
+        echo 64
     else
-        hostlongbits="32"
+        echo 32
     fi
+}

-    if test "$target" = "powerpc" -o "$target" = "ppc" \
-        -o "$target" = "powerpc64" -o "$target" = "ppc64" \
-        -o "$target" = "mips" -o "$target" = "s390" \
-        -o "$target" = "sparc32" -o "$target" = "sparc64" \
-        -o "$target" = "m68k" -o "$target" = "armv4b"; then
-        targetbigendian="yes"
-    else
-        targetbigendian="no"
-    fi
+crosscflags()
+{
+    host=$1
+    target=$2

-# target long bits test
-    if test "$target" = "sparc64" -o "$target" = "ia64" \
-        -o "$target" = "amd64"  -o "$target" = "x86_64" \
-        -o "$target" = "powerpc64" -o "$target" = "ppc64" \
-        -o "$target" = "alpha"; then
-        targetlongbits="64"
-    else
-        targetlongbits="32"
-    fi
+    hostbigendian=$(is_bigendian $host)
+    hostlongbits=$(longbits $host)
+
+    targetbigendian=$(is_bigendian $target)
+    targetlongbits=$(longbits $target)

if test "$targetbigendian" = "$hostbigendian"; then
         cflags="-USWAP_ENDIANNESS"