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-rw-r--r--recipes/gcc/gcc-4.2.1/arm-thumb-cache.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/recipes/gcc/gcc-4.2.1/arm-thumb-cache.patch b/recipes/gcc/gcc-4.2.1/arm-thumb-cache.patch
new file mode 100644
index 0000000000..fa63846c8c
--- /dev/null
+++ b/recipes/gcc/gcc-4.2.1/arm-thumb-cache.patch
@@ -0,0 +1,29 @@
+--- gcc-4.1.1/gcc/config/arm/linux-gas.h- 2005-06-25 03:22:41.000000000 +0200
++++ gcc-4.1.1/gcc/config/arm/linux-gas.h 2006-06-18 10:23:46.000000000 +0200
+@@ -44,6 +44,7 @@
+
+ /* 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); \
+@@ -53,3 +54,18 @@
+ : "=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