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| author | Rich Felker <dalias@aerifal.cx> | 2012-09-29 01:05:31 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-09-29 01:05:31 -0400 |
| commit | 8c0a3d9e5c169fc9d0f246ab59362b658b029ad7 (patch) | |
| tree | 6ac54202768db511e8bb959d85060adb98cbf226 /src/thread | |
| parent | e0ea44cb764fcdbe8515f22096930bede2c7896f (diff) | |
| download | musl-8c0a3d9e5c169fc9d0f246ab59362b658b029ad7.tar.gz | |
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.
Diffstat (limited to 'src/thread')
| -rw-r--r-- | src/thread/microblaze/__set_thread_area.s | 5 | ||||
| -rw-r--r-- | src/thread/microblaze/__unmapself.s | 8 | ||||
| -rw-r--r-- | src/thread/microblaze/clone.s | 33 | ||||
| -rw-r--r-- | src/thread/microblaze/syscall_cp.s | 19 |
4 files changed, 65 insertions, 0 deletions
diff --git a/src/thread/microblaze/__set_thread_area.s b/src/thread/microblaze/__set_thread_area.s new file mode 100644 index 00000000..2b112ae2 --- /dev/null +++ b/src/thread/microblaze/__set_thread_area.s @@ -0,0 +1,5 @@ +.global __set_thread_area +.type __set_thread_area,@function +__set_thread_area: + rtsd r15, 8 + ori r21, r5, 0 diff --git a/src/thread/microblaze/__unmapself.s b/src/thread/microblaze/__unmapself.s new file mode 100644 index 00000000..b180de60 --- /dev/null +++ b/src/thread/microblaze/__unmapself.s @@ -0,0 +1,8 @@ +.global __unmapself +.type __unmapself,@function +__unmapself: + ori r12, r0, 91 + brki r14, 0x8 + ori r12, r0, 1 + brki r14, 0x8 + nop 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 diff --git a/src/thread/microblaze/syscall_cp.s b/src/thread/microblaze/syscall_cp.s new file mode 100644 index 00000000..c470521c --- /dev/null +++ b/src/thread/microblaze/syscall_cp.s @@ -0,0 +1,19 @@ +.global __syscall_cp_asm +.type __syscall_cp_asm,@function +__syscall_cp_asm: +.global __cp_begin +__cp_begin: + lwi r5, r5, 0 + bnei r5, __cancel + addi r12, r6, 0 + add r5, r7, r0 + add r6, r8, r0 + add r7, r9, r0 + add r8, r10, r0 + lwi r9, r1, 28 + lwi r10, r1, 32 + brki r14, 0x8 +.global __cp_end +__cp_end: + rtsd r15, 8 + nop |