Subversion Repositories an-fpga-implementation-of-low-latency-noc-based-mpsoc

/__main.c

/core.cc

/core.hh

/custom_crt/_exception_handler.s

/custom_crt/_hw_exception_handler.s

/custom_crt/_interrupt_handler (copy).s

/custom_crt/_interrupt_handler.s

/custom_crt/crt0.s

custom_crt/crt0.s Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: custom_crt/crtinit.s =================================================================== --- custom_crt/crtinit.s (nonexistent) +++ custom_crt/crtinit.s (revision 48) @@ -0,0 +1,85 @@ +###################################-*-asm*- +# +# Copyright (c) 2001 Xilinx, Inc. All rights reserved. +# +# Xilinx, Inc. +# +# XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A +# COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS +# ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR +# STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION +# IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE +# FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. +# XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO +# THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO +# ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE +# FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS FOR A PARTICULAR PURPOSE. +# +# crtinit.s +# +# Default second stage of C run-time initialization +# +# $Id: crtinit.s,v 1.5.2.7 2006/07/05 18:53:54 vasanth Exp $ +# +####################################### + + + + .globl _crtinit + .align 2 + .ent _crtinit + +_crtinit: + addi r1, r1, -20 /* Save Link register */ + swi r15, r1, 0 + + addi r6, r0, __sbss_start /* clear SBSS */ + addi r7, r0, __sbss_end + rsub r18, r6, r7 + blei r18, .Lendsbss + +.Lloopsbss: + swi r0, r6, 0 + addi r6, r6, 4 + rsub r18, r6, r7 + bgti r18, .Lloopsbss +.Lendsbss: + + addi r6, r0, __bss_start /* clear BSS */ + addi r7, r0, __bss_end + rsub r18, r6, r7 + blei r18, .Lendbss +.Lloopbss: + swi r0, r6, 0 + addi r6, r6, 4 + rsub r18, r6, r7 + bgti r18, .Lloopbss +.Lendbss: + + brlid r15, _program_init /* Initialize the program */ + nop + +# brlid r15, __init /* Invoke language initialization functions */ +# nop + + addi r6, r0, 0 /* Initialize argc = 1 and argv = NULL and envp = NULL */ + addi r7, r0, 0 + brlid r15, (__main) /*initial_global_data first and then call main + addi r5, r0, 0 + + addik r19, r3, 0 /* Save return value */ + +# brlid r15, __fini /* Invoke language cleanup functions */ +# nop + + brlid r15, _program_clean /* Cleanup the program */ + nop + + lw r15, r1, r0 /* Return back to CRT */ + + addik r3, r19, 0 /* Restore return value */ + rtsd r15, 8 + addi r1, r1, 20 + .end _crtinit +

custom_crt/crtinit.s Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: heap.hh =================================================================== --- heap.hh (revision 17) +++ heap.hh (revision 48) @@ -36,7 +36,7 @@ @return heap size */ - inline int aembGetHeapSize() + static inline int aembGetHeapSize() { int tmp; asm ("la %0, r0, _HEAP_SIZE":"=r"(tmp)); @@ -48,7 +48,7 @@ @return heap end */ - inline int aembGetHeapEnd() + static inline int aembGetHeapEnd() { int tmp; asm ("la %0, r0, _heap_end":"=r"(tmp)); @@ -60,7 +60,7 @@ @return heap top */ - inline int aembGetHeapTop() + static inline int aembGetHeapTop() { int tmp; asm ("la %0, r0, _heap":"=r"(tmp));

/hook.cc

hook.cc Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: hook.hh =================================================================== --- hook.hh (revision 17) +++ hook.hh (revision 48) @@ -1,169 +1,15 @@ -/* $Id: hook.hh,v 1.11 2008-04-28 20:31:40 sybreon Exp $ -** -** AEMB2 HI-PERFORMANCE CPU -** Copyright (C) 2004-2007 Shawn Tan Ser Ngiap -** -** This file is part of AEMB. -** -** AEMB is free software: you can redistribute it and/or modify it -** under the terms of the GNU General Public License as published by -** the Free Software Foundation, either version 3 of the License, or -** (at your option) any later version. -** -** AEMB is distributed in the hope that it will be useful, but WITHOUT -** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -** or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -** License for more details. -** -** You should have received a copy of the GNU General Public License -** along with AEMB. If not, see . -*/ - -/** - Basic begin/end hooks - @file hook.hh - - These routines hook themselves onto parts of the main programme to - enable the hardware threads to work properly. - */ - -#include "stack.hh" -#include "heap.hh" -#include "thread.hh" - -#ifndef _AEMB_HOOK_HH -#define _AEMB_HOOK_HH - #ifdef __cplusplus extern "C" { #endif - - void _program_init(); + void _program_init(); void _program_clean(); // newlib locks void __malloc_lock(struct _reent *reent); void __malloc_unlock(struct _reent *reent); - //void __env_lock(struct _reent *reent); - //void __env_unlock(struct _reent *reent); - - /** - Finalisation hook - - This function executes during the shutdown phase after the - finalisation routine is called. It will merge the changes made - during initialisation. - */ - void _program_clean() - { - _aembLockMTX(); // enter critical section - - // unify the stack backwards - if (aembIsThread0()) - { - aembSetStack(aembGetStack() + (aembGetStackSize() >> 1)); - } - - _aembFreeMTX(); // exit critical section - } - /** - Initialisation hook - - This function executes during the startup phase before the - initialisation routine is called. It splits the stack between the - threads. For now, it will lock up T0 for compatibility purposes. - */ - - void _program_init() - { - _aembLockMTX(); // enter critical section - - // split and shift the stack for thread 1 - if (aembIsThread0()) // main thread - { - // NOTE: Dupe the stack otherwise it will FAIL! - int oldstk = aembGetStack(); - int newstk = aembSetStack(aembGetStack() - (aembGetStackSize() >> 1)); - aembDupStack((unsigned int *)newstk, - (unsigned int *)oldstk, - (unsigned int *)aembGetStackTop()); - _aembFreeMTX(); // exit critical section - while (1) asm volatile ("nop"); // lock thread - } - - _aembFreeMTX(); // exit critical section - } - - /** - Heap Lock - - This function is called during malloc() to lock out the shared - heap to avoid data corruption. - */ - - void __malloc_lock(struct _reent *reent) - { - _aembLockMTX(); - } - - /** - Heap Unlock - - This function is called during malloc() to indicate that the - shared heap is now available for another thread. - */ - - void __malloc_unlock(struct _reent *reent) - { - _aembFreeMTX(); - } - -#ifdef __cplusplus + #ifdef __cplusplus } -#endif - -#endif - -#ifndef __OPTIMIZE__ -// The main programme needs to be compiled with optimisations turned -// on (at least -O1). If not, the MUTEX value will be written to the -// same RAM location, giving both threads the same value. -OPTIMISATION_REQUIRED OPTIMISATION_REQUIRED -#endif - -/* - $Log: not supported by cvs2svn $ - Revision 1.10 2008/04/28 20:29:15 sybreon - Made files C compatible under C++. - - Revision 1.9 2008/04/27 16:33:42 sybreon - License change to GPL3. - - Revision 1.8 2008/04/27 16:04:42 sybreon - Minor cosmetic changes. - - Revision 1.7 2008/04/26 19:31:35 sybreon - Made headers C compatible. - - Revision 1.6 2008/04/26 18:04:31 sybreon - Updated software to freeze T0 and run T1. - - Revision 1.5 2008/04/23 14:19:39 sybreon - Fixed minor bugs. - Initial use of hardware mutex. - - Revision 1.4 2008/04/20 16:35:53 sybreon - Added C/C++ compatible #ifdef statements - - Revision 1.3 2008/04/12 13:46:02 sybreon - Added malloc() lock and unlock routines - - Revision 1.2 2008/04/11 15:20:31 sybreon - added static assert hack - - Revision 1.1 2008/04/09 19:48:37 sybreon - Added new C++ files - -*/ +#endif +

/msr.hh

/semaphore.cc

/semaphore.hh

/stack.hh

/thread.hh