/* * * (c) 2004 Laurent Vivier * */ /* * WARNING: remember that m68k is big endian, like powerPC. * i386 is little-endian */ #ifndef _BOOTBLOCK_H #define _BOOTBLOCK_H static __attribute__((used)) char* bootblock_header = "$CVSHeader$"; #include "../second/glue.h" /* first level structure */ /* BootBlkHdr Structure: "Inside Macintosh: Files", p. 2-57 */ typedef struct BootBlkHdr BootBlkHdr_t; struct BootBlkHdr { u_int16_t ID; /* boot blocks signature */ u_int32_t Entry; /* entry point to bootcode */ u_int16_t Version; /* boot blocks version number */ u_int16_t PageFlags; /* used internally */ u_int8_t SysName[16]; /* System filename */ u_int8_t ShellName[16]; /* Finder filename */ u_int8_t Dbg1Name[16]; /* debugger filename */ u_int8_t Dbg2Name[16]; /* debugger filename */ u_int8_t ScreenName[16]; /* name of startup screen */ u_int8_t HelloName[16]; /* name of startup program */ u_int8_t ScrapName[16]; /* name of system scrap file */ u_int16_t CntFCBs; /* number of FCBs to allocate */ u_int16_t CntEvts; /* number of event queue elements */ u_int32_t Heap128K; /* system heap size on 128K Mac */ u_int32_t Heap256K; /* used internally */ u_int32_t SysHeapSize; /* system heap size on all machines */ } __attribute__((packed)); #define ASSERT_BBH(a) if ( sizeof(BootBlkHdr_t) != 138 ) { a } /* EMILE Boot block structure */ typedef struct eBootBlock eBootBlock_t; struct eBootBlock { BootBlkHdr_t boot_block_header; ParamBlockRec_t second_param_block; u_int8_t boot_code[1024 - sizeof(BootBlkHdr_t) - sizeof(ParamBlockRec_t)]; } __attribute__((packed)); #define ASSERT_BB(a) if ( sizeof(eBootBlock_t) != 1024 ) { a } #endif