From 8c0a3d9e5c169fc9d0f246ab59362b658b029ad7 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 29 Sep 2012 01:05:31 -0400 Subject: microblaze port based on initial work by rdp, with heavy modifications. some features including threads are untested because qemu app-level emulation seems to be broken and I do not have a proper system image for testing. --- src/thread/microblaze/clone.s | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/thread/microblaze/clone.s (limited to 'src/thread/microblaze/clone.s') diff --git a/src/thread/microblaze/clone.s b/src/thread/microblaze/clone.s new file mode 100644 index 00000000..cff80efa --- /dev/null +++ b/src/thread/microblaze/clone.s @@ -0,0 +1,33 @@ +.global __clone +.weak clone +.type __clone,@function +.type clone,@function + +# r5, r6, r7, r8, r9, r10, stack +# fn, st, fl, ar, pt, tl, ct +# fl, st, pt, tl, ctx + +__clone: +clone: + andi r6, r6, -16 + addi r6, r6, -16 + swi r5, r6, 0 + swi r8, r6, 4 + + ori r5, r7, 0 + ori r7, r9, 0 + ori r8, r10, 0 + lwi r9, r1, 28 + ori r12, r0, 120 + + brki r14, 8 + beqi r3, 1f + rtsd r15, 8 + nop + +1: lwi r3, r1, 0 + lwi r5, r1, 4 + brald r15, r3 + nop + ori r12, r0, 1 + brki r14, 8 -- cgit v1.2.1