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-rw-r--r--meta/recipes-devtools/gcc/gcc-4.3.3/arm-thumb-cache.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.3.3/arm-thumb-cache.patch b/meta/recipes-devtools/gcc/gcc-4.3.3/arm-thumb-cache.patch
new file mode 100644
index 0000000000..fa63846c8c
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.3.3/arm-thumb-cache.patch
@@ -0,0 +1,29 @@
1--- gcc-4.1.1/gcc/config/arm/linux-gas.h- 2005-06-25 03:22:41.000000000 +0200
2+++ gcc-4.1.1/gcc/config/arm/linux-gas.h 2006-06-18 10:23:46.000000000 +0200
3@@ -44,6 +44,7 @@
4
5 /* Clear the instruction cache from `beg' to `end'. This makes an
6 inline system call to SYS_cacheflush. */
7+#if !defined(__thumb__)
8 #define CLEAR_INSN_CACHE(BEG, END) \
9 { \
10 register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \
11@@ -53,3 +54,18 @@
12 : "=r" (_beg) \
13 : "0" (_beg), "r" (_end), "r" (_flg)); \
14 }
15+#else
16+#define CLEAR_INSN_CACHE(BEG, END) \
17+{ \
18+ register unsigned long _beg __asm ("a1") = (unsigned long) (BEG); \
19+ register unsigned long _end __asm ("a2") = (unsigned long) (END); \
20+ register unsigned long _flg __asm ("a3") = 0; \
21+ register unsigned long _swi __asm ("a4") = 0xf0002; \
22+ __asm __volatile ("push {r7}\n" \
23+ " mov r7,a4\n" \
24+ " swi 0 @ sys_cacheflush\n" \
25+ " pop {r7}\n" \
26+ : "=r" (_beg) \
27+ : "0" (_beg), "r" (_end), "r" (_flg), "r" (_swi)); \
28+}
29+#endif