diff options
Diffstat (limited to 'src/thread/superh/clone.s')
| -rw-r--r-- | src/thread/superh/clone.s | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/thread/superh/clone.s b/src/thread/superh/clone.s deleted file mode 100644 index d6c9184d..00000000 --- a/src/thread/superh/clone.s +++ /dev/null @@ -1,47 +0,0 @@ -.text -.global __clone -.type __clone, @function -__clone: -! incoming: fn stack flags arg ptid tls ctid -! r4 r5 r6 r7 @r15 @(4,r15) @(8,r15) - - mov #-16, r0 - and r0, r5 - - mov r4, r1 ! r1 = fn - mov r7, r2 ! r2 = arg - - mov #120, r3 ! r3 = __NR_clone - mov r6, r4 ! r4 = flags - !mov r5, r5 ! r5 = stack - mov.l @r15, r6 ! r6 = ptid - mov.l @(8,r15), r7 ! r7 = ctid - mov.l @(4,r15), r0 ! r0 = tls - trapa #21 - - or r0, r0 - or r0, r0 - or r0, r0 - or r0, r0 - or r0, r0 - - cmp/eq #0, r0 - bt 1f - - ! we are the parent, return - rts - nop - -1: ! we are the child, call fn(arg) - jsr @r1 - mov r2, r4 - - mov #1, r3 ! __NR_exit - mov r0, r4 - trapa #17 - - or r0, r0 - or r0, r0 - or r0, r0 - or r0, r0 - or r0, r0 |