summaryrefslogtreecommitdiff
path: root/src/thread/mips/clone.s
diff options
context:
space:
mode:
authorRich Felker <dalias@aerifal.cx>2012-07-11 11:35:27 -0400
committerRich Felker <dalias@aerifal.cx>2012-07-11 11:35:27 -0400
commit5c94367a9b0f1c1dd0deadb0f320242b59f844bb (patch)
treeca74a84a1939322c1f043075d7cfc69af2635d36 /src/thread/mips/clone.s
parentd0bfbd9dca27e3053534bbf70b36e229d0c0cf21 (diff)
downloadmusl-5c94367a9b0f1c1dd0deadb0f320242b59f844bb.tar.gz
first attempt at making threads work on mips
Diffstat (limited to 'src/thread/mips/clone.s')
-rw-r--r--src/thread/mips/clone.s27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/thread/mips/clone.s b/src/thread/mips/clone.s
new file mode 100644
index 00000000..09a1a83f
--- /dev/null
+++ b/src/thread/mips/clone.s
@@ -0,0 +1,27 @@
+.set noreorder
+.global __clone
+.type __clone,@function
+__clone:
+ # Save function pointer and argument pointer
+ move $25, $4
+ move $8, $7
+ # Shuffle (fn,sp,fl,arg,ptid,tls,ctid) to (sp,fl,ptid,tls,ctid)
+ move $4, $5
+ move $5, $6
+ lw $6, 16($sp)
+ lw $7, 20($sp)
+ lw $9, 24($sp)
+ sw $9, 16($sp)
+ li $2, 4120
+ syscall
+ beq $7, $0, 1f
+ nop
+ jr $ra
+ subu $2, $0, $2
+1: beq $2, $0, 1f
+ nop
+ jr $ra
+ nop
+1: move $4, $8
+ jr $25
+ nop