Commit Graph

811 Commits

Author SHA1 Message Date
riastradh 0766111859 Fix subword atomic_cas.
- Don't loop forever on failure.
- Don't shift away the result and return zero on success.

Evidently we lack automatic tests for these!
2014-03-09 16:19:14 +00:00
martin b6407fab71 Fix return value (typo, noticed by Nick Hudson) 2014-03-07 08:42:58 +00:00
matt 3b018d607e Use the sources in ../../arch/powerpc instead 2014-03-07 07:20:56 +00:00
matt c9642ed49c Now the sources in ../../arch/powerpc 2014-03-07 07:20:24 +00:00
matt 6dd4b41fd3 Reduce duplication.
Use beqlr to quicken returns
2014-03-07 07:17:54 +00:00
matt e70564d7d6 apcs-gnu only passes one register on the stack.
ldrd always loads little endian (low address, low register).
2014-03-05 17:20:48 +00:00
macallan 1890dda80c on 601 CPUs skip to normal memcpy if both source and destination are 32bit
aligned
2014-03-04 17:05:14 +00:00
matt ab7ecd2ca6 Don't export __sync* if _KERNEL || _STANDALONE are defined.
(except if _RUMPKERNEL is defined)
2014-03-04 16:15:28 +00:00
matt 4fa1971b77 Fix #if/#endif nesting 2014-03-04 07:01:26 +00:00
matt f2d0e50b73 fix typo. 2014-03-04 06:36:41 +00:00
matt 2e6bec6f0d Make this work with coldfire. 2014-03-04 06:15:33 +00:00
matt ab9be61dac Make this coldfire compatible 2014-03-04 04:03:49 +00:00
matt 37c6d125b7 Fix non-EABI loading of argument. Deal with endian issues.
Fixes PR/48635
2014-03-04 03:50:37 +00:00
matt 674350cab3 Add atomic_sub_64.S 2014-03-04 03:49:07 +00:00
matt 308d85879d Load new value from correct stack location in _atomic_cas_64_up 2014-03-04 03:36:24 +00:00
matt be9a2e2448 Fetch value from correct stack location. Push an even number of registers
so ldrd won't fail.
2014-03-04 03:34:22 +00:00
matt f3eefe6cf1 Use _KERNEL_OPT around #include "opt_ppcarch.h" 2014-03-03 18:55:02 +00:00
macallan a00f9ab046 on ppc601 do byte-wise copies when in _KERNEL
from scole_mail, ok matt@
2014-03-03 15:30:31 +00:00
matt d9d3fe3d18 Add atomic_cas_64 support for ARM EABI on V5TE and V5TEJ cpus.
(strd is atomic).
2014-02-27 09:39:00 +00:00
matt 99ca27526b Add a method to test the compiler for things like LDREX availability,
LDRD availability, THUMB2, EABI.
2014-02-27 09:37:02 +00:00
martin 7d33c23876 Provide CAS variants for 16 and 8 bit when running with more that 1 cpu 2014-02-24 17:18:27 +00:00
martin a9af946581 Provide cas_16 and cas_8 emulation via cas_32 and use that for mips64 2014-02-24 16:15:43 +00:00
martin acddc8c970 Remove misplaced #endif 2014-02-23 07:43:38 +00:00
martin 0bc3e372de Missed one __sync_* op (or gcc4.8 does inline it, while 4.5 does not?) 2014-02-22 17:16:12 +00:00
martin b290679a78 Try to hide the C runtime implementation specific __sync_* ops from librump,
to avoid duplicates.
2014-02-22 17:08:30 +00:00
martin a41f5c9de6 Add missing __sunc_* ops for sun2 2014-02-22 14:51:34 +00:00
martin 1e4743d51f Add missing __sync_* ops to libc 2014-02-22 12:12:30 +00:00
skrll ee0ea75254 Add the missing __sync_* ops to libc 2014-02-22 10:23:24 +00:00
martin fc2fa9ee78 Add the missing __sync_* ops to libc 2014-02-22 08:53:33 +00:00
skrll 685e258fc7 Another layout change 2014-02-22 08:24:27 +00:00
skrll 59b3381179 Layout changes - no functional change. 2014-02-22 08:21:03 +00:00
martin 7c40818eed Move the __sync_* ops added in the previous change to a libc-only section 2014-02-22 08:08:56 +00:00
martin 6868f31bc9 Provide the missing __sync_* ops for earlier arm versions 2014-02-21 21:54:38 +00:00
martin c2b8beffc9 Provide all __sync_* ops in libc. 2014-02-21 19:05:33 +00:00
martin dd367c0e94 Provide the missing __sync_* ops for sparc. 2014-02-21 16:21:02 +00:00
martin de9cd3f918 Add a few missing namespace includes 2014-02-21 16:06:48 +00:00
martin e39d980f88 Provide 8 and 16 bit sync ops (using 16 bit and 8 bit cas) 2014-02-21 15:51:07 +00:00
martin 181d8404c2 Fix previous: move the alias declaration outside of a #ifdef _LP64 2014-02-21 14:42:09 +00:00
martin badf055197 Provide 32bit __sync ops based on atomic_cas_32. 2014-02-21 10:52:50 +00:00
martin 3f9f137185 Add missing __sync_lock_test_and_set_* aliases for PR lib/48601 2014-02-21 10:27:34 +00:00
martin ce6031c29a Add missing __sync_* ops 2014-02-20 20:39:01 +00:00
martin 566b4de508 Simplify the variants returning a bool 2014-02-20 16:33:23 +00:00
martin 0ac513ac84 Add a few __sync_* and atomic functions. 2014-02-18 16:19:28 +00:00
martin 1a7bc9a039 Make the _and_fetch_8 primitives return the new value they calculated
and set - not whatever is found in memory later.
2014-02-18 13:21:04 +00:00
martin 7925d62af9 Do not include <stdbool.h> in the kernel 2014-02-18 12:23:07 +00:00
martin 7c94bf0860 Provide most missing __sync_*64 primitives for i386 2014-02-18 10:16:55 +00:00
matt a857702bee switch to unified syntax 2014-01-30 06:39:16 +00:00
joerg 720b2586bd Include compiler-rt in libc, libm and libkern. 2014-01-29 23:37:18 +00:00
joerg 1f8490615f Kernel and standalone code uses panic() for broken code. 2014-01-29 22:29:43 +00:00
joerg 80d48117e3 Fix up the remaining __sync_* functions to build with Clang on ARM. 2014-01-29 15:59:11 +00:00