diff options
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.patch | 35 |
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 |