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authorRich Felker <dalias@aerifal.cx>2012-09-29 01:05:31 -0400
committerRich Felker <dalias@aerifal.cx>2012-09-29 01:05:31 -0400
commit8c0a3d9e5c169fc9d0f246ab59362b658b029ad7 (patch)
tree6ac54202768db511e8bb959d85060adb98cbf226 /src/thread
parente0ea44cb764fcdbe8515f22096930bede2c7896f (diff)
downloadmusl-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.s5
-rw-r--r--src/thread/microblaze/__unmapself.s8
-rw-r--r--src/thread/microblaze/clone.s33
-rw-r--r--src/thread/microblaze/syscall_cp.s19
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