aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorRuss Cox <rsc@swtch.com>2020-01-19 22:52:04 -0500
committerRuss Cox <rsc@swtch.com>2020-01-19 23:04:58 -0500
commit37e7d24c0cb9fd2d18ab332980c31cf470454d93 (patch)
treec08e99bf781a603b702c8a517b5128f8a551f1f7 /src
parent41b3e8b9893a8561af7e85ca98444bc284b4013d (diff)
downloadplan9port-37e7d24c0cb9fd2d18ab332980c31cf470454d93.tar.gz
plan9port-37e7d24c0cb9fd2d18ab332980c31cf470454d93.tar.bz2
plan9port-37e7d24c0cb9fd2d18ab332980c31cf470454d93.zip
libthread: rm OpenBSD tas implementations
OpenBSD is using pthreads now, so no need for tas.
Diffstat (limited to 'src')
-rw-r--r--src/libthread/OpenBSD-386-asm.s9
-rw-r--r--src/libthread/OpenBSD-power-asm.S15
2 files changed, 1 insertions, 23 deletions
diff --git a/src/libthread/OpenBSD-386-asm.s b/src/libthread/OpenBSD-386-asm.s
index 42169853..ed18d2f0 100644
--- a/src/libthread/OpenBSD-386-asm.s
+++ b/src/libthread/OpenBSD-386-asm.s
@@ -1,10 +1,3 @@
-.globl _tas
-_tas:
- movl $0xCAFEBABE, %eax
- movl 4(%esp), %ecx
- xchgl %eax, 0(%ecx)
- ret
-
.globl getmcontext
getmcontext:
movl 4(%esp), %eax
@@ -17,7 +10,7 @@ getmcontext:
movl %esi, 24(%eax)
movl %ebp, 28(%eax)
movl %ebx, 36(%eax)
- movl %edx, 40(%eax)
+ movl %edx, 40(%eax)
movl %ecx, 44(%eax)
movl $1, 48(%eax) /* %eax */
diff --git a/src/libthread/OpenBSD-power-asm.S b/src/libthread/OpenBSD-power-asm.S
index 03b46e7b..36035eb5 100644
--- a/src/libthread/OpenBSD-power-asm.S
+++ b/src/libthread/OpenBSD-power-asm.S
@@ -1,18 +1,3 @@
-ENTRY(_tas)
- li %r0, 0
- mr %r4, %r3
- lis %r5, 0xcafe
- ori %r5, %r5, 0xbabe
-1:
- lwarx %r3, %r0, %r4
- cmpwi %r3, 0
- bne 2f
- stwcx. %r5, %r0, %r4
- bne- 1b
-2:
- sync
- blr
-
ENTRY(_getmcontext) /* xxx: instruction scheduling */
mflr %r0
mfcr %r5