X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=target_firmware%2Fmagpie_fw_dev%2Fbuild%2Fmagpie_1_1%2Fsboot%2Fathos%2Fsrc%2Fxtos%2Fexc-unhandled.S;fp=target_firmware%2Fmagpie_fw_dev%2Fbuild%2Fmagpie_1_1%2Fsboot%2Fathos%2Fsrc%2Fxtos%2Fexc-unhandled.S;h=0000000000000000000000000000000000000000;hb=ff66305a044be28464fa0969ea2d605bb268d478;hp=29723ea2635c74ad9b61eefe66ff1f88f965d079;hpb=60b496560eec004ded92ae4dad43b3d102c6658d;p=open-ath9k-htc-firmware.git diff --git a/target_firmware/magpie_fw_dev/build/magpie_1_1/sboot/athos/src/xtos/exc-unhandled.S b/target_firmware/magpie_fw_dev/build/magpie_1_1/sboot/athos/src/xtos/exc-unhandled.S deleted file mode 100755 index 29723ea..0000000 --- a/target_firmware/magpie_fw_dev/build/magpie_1_1/sboot/athos/src/xtos/exc-unhandled.S +++ /dev/null @@ -1,84 +0,0 @@ -// exc-unhandled.S - General Exception Handler for unhandled exceptions - -// Copyright (c) 2002-2004, 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. - -#include -#include -#include -#include "xtos-internal.h" -#ifdef SIMULATOR -#include -#endif - -#if XCHAL_HAVE_EXCEPTIONS - -/* - * Assembly-level exception handler used when no handler was - * registered for the specific exception cause. - * - * The BREAK instruction is used to give control to the debugger, - * if one is present and active. (If none is present and active, - * the default debug exception handler will typically skip over - * this break instruction.) - * This code follows the convention documented in the ISA manual - * to use BREAK instructions to signal unhandled exceptions to the - * debugger. For the debugger to report or handle this condition - * in an OS-independent manner, all processor state (except PC) - * must be restored as it was when the unhandled exception just - * occurred (ie. as it was at the beginning of the vector). - * If execution continues after the BREAK instruction (in which - * case any register might have been modified by the debugger), - * just return. - */ - .text - .align 4 - - // If not pulled-in some other way, define it as unhandled: - .weak _xtos_cause3_handler - .global _xtos_cause3_handler -_xtos_cause3_handler: - - .global _xtos_unhandled_exception -_xtos_unhandled_exception: -#if XCHAL_HAVE_DEBUG || defined(SIMULATOR) - l32i a2, a1, UEXC_a2 // restore a2 - l32i a3, a1, UEXC_a3 // restore a3 - // Note: a4-a5 not clobbered, no need to restore. - addi a1, a1, ESF_TOTALSIZE // restore sp -# if XCHAL_HAVE_DEBUG - break 1, 1 // give control to the debugger (if any present) -# else - wsr a2, EXCSAVE1 // save a2 where simulator expects it - movi a2, SYS_unhandled_user_exc - simcall // let simulator/debugger report unhandled exception - rsr a2, EXCSAVE1 // restore a2 -# endif - rfe_rfue // if sim/debug resume, just return -#else /* DEBUG or SIMULATOR */ - j _xtos_unhandled_exception // just loop forever -#endif /* DEBUG or SIMULATOR */ - - .size _xtos_unhandled_exception, . - _xtos_unhandled_exception - - -#endif /* XCHAL_HAVE_EXCEPTIONS */ -