/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2002 by Ulf Ralberg * * This program 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 2 * of the License, or (at your option) any later version. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ /* index offset register * 0 0 $16 s0 * 1 4 $17 s1 * 2 8 $18 s2 * 3 12 $19 s3 * 4 16 $20 s4 * 5 20 $21 s5 * 6 24 $22 s6 * 7 28 $23 s7 * 8 32 $28 gp * 9 36 $30 s8 (s8) * 10 40 $29 sp * 11 44 $31 ra * 12 48 start */ struct regs { uint32_t r[10]; /* 0-32 - Registers s0-s7, gp, fp */ uint32_t sp; /* 36 - Stack pointer */ uint32_t ra; /* 40 - Return address */ uint32_t start; /* 44 - Thread start address, or NULL when started */ }; #define DEFAULT_STACK_SIZE 0x400 /* Bytes */