mirror/guile
mirror/guile
1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-05-04 22:40:25 +02:00
Code Activity

ia64: Implement cache flush.

Browse source 
* lib/jit_ia64.c: Implement inline assembly cache flush,
	required on multiprocessor systems.
This commit is contained in:
Paulo Andrade 2015-05-10 16:22:26 -03:00
parent a5ab4c7718
commit f48e07b58b
2 changed files with 12 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
ChangeLog
View file

@ -1,3 +1,8 @@
2015-06-10 Paulo Andrade <pcpa@gnu.org>
* lib/jit_ia64.c: Implement inline assembly cache flush,
required on multiprocessor systems.
2015-06-06 Paulo Andrade <pcpa@gnu.org> 2015-06-06 Paulo Andrade <pcpa@gnu.org>
* lib/jit_mips-cpu.c, lib/jit_mips-fpu.c, lib/jit_mips.c: * lib/jit_mips-cpu.c, lib/jit_mips-fpu.c, lib/jit_mips.c:

7
lib/jit_ia64.c
View file

@ -1494,7 +1494,14 @@ jit_flush(void *fptr, void *tptr)
s = sysconf(_SC_PAGE_SIZE); s = sysconf(_SC_PAGE_SIZE);
f = (jit_word_t)fptr & -s; f = (jit_word_t)fptr & -s;
t = (((jit_word_t)tptr) + s - 1) & -s; t = (((jit_word_t)tptr) + s - 1) & -s;
# if 0
__clear_cache((void *)f, (void *)t); __clear_cache((void *)f, (void *)t);
# else
/* __clear_cache is a noop in (old?) gcc, but cache flush is
* required on a multi processor Linux system. */
for (s = f; s < t; s += 32)
asm volatile("fc %0" :: "r"(s) : "memory");
# endif
#endif #endif
} }