X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=sboot%2Fmagpie_1_1%2Fsboot%2Fathos%2Fsrc%2Fxtos%2Fnull-syscall.S;fp=sboot%2Fmagpie_1_1%2Fsboot%2Fathos%2Fsrc%2Fxtos%2Fnull-syscall.S;h=108a2abb64ade809bf7510e744e9764f71532d87;hb=ff66305a044be28464fa0969ea2d605bb268d478;hp=0000000000000000000000000000000000000000;hpb=60b496560eec004ded92ae4dad43b3d102c6658d;p=open-ath9k-htc-firmware.git

diff --git a/sboot/magpie_1_1/sboot/athos/src/xtos/null-syscall.S b/sboot/magpie_1_1/sboot/athos/src/xtos/null-syscall.S
new file mode 100755
index 0000000..108a2ab
--- /dev/null
+++ b/sboot/magpie_1_1/sboot/athos/src/xtos/null-syscall.S
@@ -0,0 +1,38 @@
+// null-syscall.S  -  Stub for Unused SYSCALL Handler
+// $Id: //depot/rel/Cottonwood/Xtensa/OS/xtos/null-syscall.S#3 $
+
+// Copyright (c) 2006-2010 Tensilica Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+	//  Redirect SYSCALL exceptions as not handled, when
+	//  that functionality is not needed.  Done this way, a user can
+	//  just specify this small handler to override the default one.
+
+	.text
+	.weak	_xtos_unhandled_exception
+	.global	_xtos_syscall_handler
+_xtos_syscall_handler:
+	movi	a3, _xtos_unhandled_exception
+1:	beqz	a3, 1b
+	jx	a3
+	.size	_xtos_syscall_handler, . - _xtos_syscall_handler
+