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891 Commits

Author SHA1 Message Date
skrll ed17c7296b Use gcc 4.4 and later operation for nand, i.e. 
*ptr = ~(tmp & value) instead of *ptr = ~tmp & value

There was also another bug in sync_fetch_and_nand_8 which I've also fixed.

PR port-arm32/50513: Incorrect logic for atomic_nand_xx.S
 2015-12-11 12:41:10 +00:00
christos 01e84cc634 comment out 0{b,B} handling. 2015-11-13 16:02:07 +00:00
christos fd6ed0e3f6 Fix capitalization 2015-11-12 17:31:43 +00:00
christos 557b696a7a Recognize 0[bB] as binary (base 2) 2015-11-12 17:23:51 +00:00
nakayama 2c01e1e121 Fix 64-bit atomic operations on 32-bit kernel and userland, and add 
support for missing __sync_*_8 builtins.
 2015-10-18 02:28:07 +00:00
phx 028fd4a71a Fixed typo: propertly -> property. 2015-08-20 15:55:09 +00:00
mlelstv 2bb05299a6 fix comment 2015-07-10 20:16:01 +00:00
isaki 3940a87a45 Improve the code in __sync_bool_compare_and_swap_{1,2,4}. 
- bccs is smaller and faster than bcc(.w) in this case.
- it can be used movql in this case (assembler optimise it though).
 2015-07-04 07:11:45 +00:00
isaki 55d302de22 atomic_cas_{8,16}: 
- Correct the wrong offset in stack.
__sync_bool_compare_and_swap_{1,2,4}:
 - Correct the wrong offset in stack.
 - D3 must be preserved in subroutines.
PR/49995.
 2015-07-04 06:56:29 +00:00
matt 1ce375c3b8 Always use sync if mips3 or later or not using O32 ABI. (A little redundant 
since not using O32 means you are using mips3 or later.)
 2015-06-23 20:56:17 +00:00
matt bb7982ddd7 #include "assym.h" 
Don't include "assym.h" with _RUMPKERNEL defined.
 2015-06-22 06:06:02 +00:00
matt e4cf7e4e27 Back out last change; fixed in the correct place. 2015-06-07 15:06:24 +00:00
matt 91746eb77c Use ${COPT} so it properly emits the right features doing MKCOMPAT 2015-06-07 15:05:34 +00:00
joerg 33e2d9fc4a Require ARMv5TE to assemble. 2015-06-07 11:46:56 +00:00
joerg 2b71fd9719 Add ARM EABI aliases for aligned arguments. 2015-06-07 11:41:59 +00:00
matt ac748598de Include OCTEON support for syncw and saa/saad (Store Atomic Add). 2015-06-01 23:16:54 +00:00
matt 6ac68d00a5 Don't compile if there is a macro of the same name. 2015-05-29 19:39:41 +00:00
matt 1d43c96919 force 2nd to argument to unsigned byte value. 
(found by t_strchr and t_strrchr tests)
 2015-05-26 06:55:08 +00:00
justin d392f6aa93 Do not set CRT_ALIAS for rump kernel; symbols provided by toolchain 2015-05-18 08:24:10 +00:00
justin 39470f7e73 It is just the __ffssi2 alias we do not want in rump kernel 2015-05-17 22:14:38 +00:00
justin 75c54c2178 Move arm sync_* changes to Makefile.inc 2015-05-17 22:08:24 +00:00
justin b4bb74214e Do not build arm toolchain symbols in the rump kernel 
These symbols will be provided at link time and will be
duplicate symbols in rump kernel and libc if defined.

Many have been fixed previously, but these were missed
as did not have a test.
 2015-05-17 20:57:11 +00:00
christos 72b528eece Now that _PROP_ISSPACE does not include the EOF check, put the check for 
EOF inside the loop. Also fix another unbounded loop that did not check for
EOF. From Mateusz Kocielski
XXX: pullup-7
 2015-05-12 14:59:35 +00:00
christos 272b1fe359 Don't treat NUL (EOF) as SPACE. All the code that uses _PROP_ISSPACE() checks 
explicitly for _PROP_EOF() anyway, and this can be abused to cause run beyond
the end of buffer DoS (Mateusz Kocielski)
XXX: pullup-7
 2015-05-11 16:50:35 +00:00
christos ad3d79508d Limit size of xml buffer for userland requests (From Mateusz Kocielski) 
XXX: pullup-7
 2015-05-11 16:48:34 +00:00
christos 35d355f3ea - new test for strtoi 
- namespace protection for strto{i,u}
- separate manpages for strto{i,u} from the ones for strto{u,}l
From: Kamil Rytarowski
 2015-05-01 14:17:56 +00:00
riastradh 808c0b52c7 Sort includes. 2015-04-21 12:47:33 +00:00
skrll a2e01a4bd7 Use the right register in previous. Spotted by matt@ 2015-04-17 07:15:02 +00:00
skrll bbef540942 ARM ARM D7.3.2 - ensure all previous accesses are observed before 
the lock is cleared
 2015-04-17 07:03:40 +00:00
justin 6324ab4097 On big endian machines needs to include sys/endian.h for le32dec 
Mainly affects cross builds on big endian; tested on FreeBSD mips
and Linux ppc.
 2015-04-15 08:31:05 +00:00
matt 2d9adf0d04 Switch to new ABI (a0/a1 replace v0/v1) 2015-03-27 06:42:37 +00:00
justin 8f795c07a7 Don't build the __eabi_ aliases in the arm rump kernel. 
These are provided by libc in userspace, so leave out of kernel
 2015-03-26 13:34:51 +00:00
riastradh 5a2ca44c60 Switch to the suggested constant-time result conversion. 
Not hard to find CPU/compiler combinations with branches for `!res'.

While here, make everything unsigned for good measure.
 2015-03-18 20:11:35 +00:00
christos 84a48e0829 match variable names with man page (Kamil Rytarowski) 2015-01-18 17:55:22 +00:00
christos 368192c420 add strto{i,u} from Kamil Rytarowski as discussed in tech-userlevel. 2015-01-16 18:35:28 +00:00
riastradh fe3ead6a42 Introduce membar_datadep_consumer. 
Discussed briefly on tech-kern without objection:

https://mail-index.netbsd.org/tech-kern/2014/11/20/msg018054.html
https://mail-index.netbsd.org/tech-kern/2015/01/07/msg018326.html
 2015-01-08 22:27:17 +00:00
chs 6d40f9ff57 add a new "fo_mmap" fileops method to allow use of arbitrary uvm_objects for 
mappings of file objects.  move vnode-specific details of mmap()ing a vnode
from uvm_mmap() to the new vnode-specific vn_mmap().  add new uvm_mmap_dev()
and uvm_mmap_anon() convenience functions for mapping character devices
and anonymous memory, and replace all other calls to uvm_mmap() with those.
use the new fileop in drm2 so that libdrm can use mmap() to map things
like on other platforms (instead of the ioctl that we have used so far).
 2014-12-14 23:48:58 +00:00
matt f6453319ae Add atomic_c11_compare_exchange_cas_{8,16,32}.c 2014-11-20 07:07:13 +00:00
joerg 67ec38504d Provide prototypes to fix build with clang. 2014-11-04 19:56:44 +00:00
dennis f8446d6fc9 Add missing C11 atomic support functions to repair prior 
build breakage.  matt@ made me do this.
 2014-10-16 18:52:17 +00:00
martin be3005a074 Provide C++ 2011 <atomic> support functions for hppa and arm. 2014-10-14 07:25:05 +00:00
martin f0a1164b36 Provide <atomic> C++ 2011 support functions for mips and sh3. 2014-10-13 13:00:55 +00:00
martin 963bb46806 Move the and_{16,8}_nv sources into the right (libc only) block. 2014-10-13 12:49:59 +00:00
martin 6e3879b0c6 Add C++ 2011 <atomic> support functions. 2014-10-13 08:59:41 +00:00
martin 3f671a8ede Provide __sync_and_and_fetch_2 and __sync_and_and_fetch_1 for pre-ARMv6, 
they are needed for the C++ 2011 <atomic> stuff.
 2014-10-13 07:31:12 +00:00
martin 241614a4c5 Hook __atomic_compare_exchange_N into vax libc. 2014-10-12 17:53:33 +00:00
martin 2a3f84309a Provide __atomic_compare_exchange_N (as needed for the C11 2011 <atomic> 
ops) via the corresponding CAS.
 2014-10-12 17:51:47 +00:00
khorben 00b617c08a Look for the character to locate before checking for the NUL character 
As documented in PR port-i386/49208, this fixes strchr(s, '\0'), as used by
the FAT first-stage bootloader on x86 (bootxx_msdos).
strchr(s, '\0') is otherwise equivalent to strlen(string), which would
probably look nicer in the original file, dosfs.c from libsa.

Confirmed working in qemu and on real hardware.
ok joerg@

XXX pull-up to netbsd-6 and netbsd-7
 2014-09-22 20:31:56 +00:00
matt 6cf6fe02a9 New files for Userland support of UCB RISC-V (both 32-bit and 64-bit) 2014-09-19 17:36:24 +00:00
matt 6569f93208 Eliminate use of C++ keywords and don't nest struct definitions. 2014-09-05 05:19:24 +00:00