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authorMarc Kleine-Budde <mkl@pengutronix.de>2008-09-19 10:02:11 +0000
committerMarc Kleine-Budde <mkl@pengutronix.de>2008-09-19 10:02:11 +0000
commit5263703341b29a0eb41a8b251b4731c6b3e50ed9 (patch)
tree72ac44763205b9f0af1337737beb670d24d4b85b /patches/gcc-4.2.4/generic/oe/arm-thumb-cache.patch
parentdef7935c68a305a3ab4f734bd069c93b7ecd8d96 (diff)
downloadOSELAS.Toolchain-5263703341b29a0eb41a8b251b4731c6b3e50ed9.tar.gz
OSELAS.Toolchain-5263703341b29a0eb41a8b251b4731c6b3e50ed9.tar.xz
* gcc-4.2.4:
new git-svn-id: https://svn.pengutronix.de/svn/oselas/toolchain/trunks/OSELAS.Toolchain-trunk@7469 f8d472c7-5700-0410-ac5a-87979cec3adf
Diffstat (limited to 'patches/gcc-4.2.4/generic/oe/arm-thumb-cache.patch')
-rw-r--r--patches/gcc-4.2.4/generic/oe/arm-thumb-cache.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/patches/gcc-4.2.4/generic/oe/arm-thumb-cache.patch b/patches/gcc-4.2.4/generic/oe/arm-thumb-cache.patch
new file mode 100644
index 0000000..5820a10
--- /dev/null
+++ b/patches/gcc-4.2.4/generic/oe/arm-thumb-cache.patch
@@ -0,0 +1,35 @@
+---
+ gcc/config/arm/linux-gas.h | 16 ++++++++++++++++
+ 1 file changed, 16 insertions(+)
+
+Index: gcc-4.2.3/gcc/config/arm/linux-gas.h
+===================================================================
+--- gcc-4.2.3.orig/gcc/config/arm/linux-gas.h
++++ gcc-4.2.3/gcc/config/arm/linux-gas.h
+@@ -43,6 +43,7 @@
+
+ /* Clear the instruction cache from `beg' to `end'. This makes an
+ inline system call to SYS_cacheflush. */
++#if !defined(__thumb__)
+ #define CLEAR_INSN_CACHE(BEG, END) \
+ { \
+ register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \
+@@ -52,3 +53,18 @@
+ : "=r" (_beg) \
+ : "0" (_beg), "r" (_end), "r" (_flg)); \
+ }
++#else
++#define CLEAR_INSN_CACHE(BEG, END) \
++{ \
++ register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \
++ register unsigned long _end __asm ("a2") = (unsigned long) (END); \
++ register unsigned long _flg __asm ("a3") = 0; \
++ register unsigned long _swi __asm ("a4") = 0xf0002; \
++ __asm __volatile ("push {r7}\n" \
++ " mov r7,a4\n" \
++ " swi 0 @ sys_cacheflush\n" \
++ " pop {r7}\n" \
++ : "=r" (_beg) \
++ : "0" (_beg), "r" (_end), "r" (_flg), "r" (_swi)); \
++}
++#endif