1 /* $NetBSD: netbsd.h,v 1.2 2013/06/20 13:36:48 kiyohara Exp $ */ 2 /* 3 * Copyright (c) 2012 KIYOHARA Takashi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "elf.h" 29 30 #define PAGE_SIZE 4096 31 #define ALIGN_SAFE_PAGE_SIZE (PAGE_SIZE * 2) 32 #define PAGE_ALIGN(p) ((int)((char *)(p) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) 33 34 /* Load kernel to PA==VA area. */ 35 #define VTOP(addr) (addr) 36 37 struct loaddesc { 38 Elf32_Addr addr; 39 Elf32_Off offset; 40 TUint size; 41 }; 42 43 class NetBSD { 44 public: 45 static NetBSD *New(const TDesC &); 46 static NetBSD *New(const TDesC &, const TDesC &); 47 48 virtual void ParseHeader(void); GetBuffer(void)49 TUint8 *GetBuffer(void) { return Buffer; }; GetEntryPoint(void)50 Elf32_Off GetEntryPoint(void) { return EntryPoint; }; GetLoadDescriptor(void)51 struct loaddesc *GetLoadDescriptor(void) { return LoadDescriptor; }; GetArgs(void)52 const TDesC *GetArgs(void) { return Args; }; 53 54 protected: 55 TUint8 *Buffer; 56 struct loaddesc *LoadDescriptor; /* Must page aligned */ 57 Elf32_Off EntryPoint; 58 59 const TDesC *Args; 60 }; 61 62 class ELF : public NetBSD { 63 public: ELF(TInt size)64 ELF(TInt size) { Buffer = new TUint8[size]; }; 65 66 void ParseHeader(void); 67 }; 68