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Diffstat (limited to 'sysdeps/mach/mips/cacheflush.c')
-rw-r--r-- | sysdeps/mach/mips/cacheflush.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/mach/mips/cacheflush.c b/sysdeps/mach/mips/cacheflush.c new file mode 100644 index 0000000..5325e6f --- /dev/null +++ b/sysdeps/mach/mips/cacheflush.c @@ -0,0 +1,44 @@ +/* Flush the insn cache after GCC writes a closure on the stack. Mach/MIPS. +Copyright (C) 1994 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <mach.h> +#include <mach/vm_attributes.h> + +/* Stupid name, but this is what GCC generates (config/mips/mips.h). */ +void +cacheflush (void *addr, size_t size, int flag) +{ + vm_machine_attribute_val_t val; + + switch (flag) + { + case 0: /* ? */ + val = MATTR_VAL_DCACHE_FLUSH; + case 1: /* This is the only value GCC uses. */ + val = MATTR_VAL_ICACHE_FLUSH; + break; + default: + val = MATTR_VAL_CACHE_FLUSH; + } + + __vm_machine_attribute (__mach_task_self (), + (vm_address_t) addr, size, + MATTR_CACHE, + &val); +} |