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| author | Joseph Myers <joseph@codesourcery.com> | 2009-05-28 17:26:23 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2009-05-28 17:26:23 +0100 |
| commit | 8a66e987b576d1eceb199834e526af56accf55cf (patch) | |
| tree | f63844b950154685978c57cd4ac7beaeb7fb5b3f /gcc/config/arm/linux-eabi.h | |
| parent | b45d27197ff43c93ec0ffbb0303ca9a408e4e555 (diff) | |
| download | gcc-8a66e987b576d1eceb199834e526af56accf55cf.zip gcc-8a66e987b576d1eceb199834e526af56accf55cf.tar.gz gcc-8a66e987b576d1eceb199834e526af56accf55cf.tar.bz2 | |
lib1funcs.asm (__clear_cache): Define if L_clear_cache.
* config/arm/lib1funcs.asm (__clear_cache): Define if
L_clear_cache.
* config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
error if used.
* config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
From-SVN: r147956
Diffstat (limited to 'gcc/config/arm/linux-eabi.h')
| -rw-r--r-- | gcc/config/arm/linux-eabi.h | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h index 4174d70..85410c0 100644 --- a/gcc/config/arm/linux-eabi.h +++ b/gcc/config/arm/linux-eabi.h @@ -72,16 +72,8 @@ do not use -lfloat. */ #undef LIBGCC_SPEC -/* Clear the instruction cache from `beg' to `end'. This makes an - inline system call to SYS_cacheflush. */ +/* Clear the instruction cache from `beg' to `end'. This is + implemented in lib1funcs.asm, so ensure an error if this definition + is used. */ #undef CLEAR_INSN_CACHE -#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 _scno __asm ("r7") = 0xf0002; \ - __asm __volatile ("swi 0 @ sys_cacheflush" \ - : "=r" (_beg) \ - : "0" (_beg), "r" (_end), "r" (_flg), "r" (_scno)); \ -} +#define CLEAR_INSN_CACHE(BEG, END) not used |