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-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