wok annotate linld/stuff/src/COMMON.H @ rev 24022
linld: basic iso9660 support
| author | Pascal Bellard <pascal.bellard@slitaz.org> |
|---|---|
| date | Sun Mar 14 19:55:20 2021 +0000 (2021-03-14) |
| parents | 61df94a0fa43 |
| children | 6b6d14c9f7e9 |
| rev | line source |
|---|---|
| pascal@24019 | 1 //#define WITH_XMM_ALLOC add himem.sys driver |
| pascal@24019 | 2 //#define LARGE_ZIMAGE may load system in high memory temporarily |
| pascal@24019 | 3 //#define INT15_E820 add int15/eax=E820 driver |
| pascal@24022 | 4 //#define RAW_ISO9660 raw filename support with ';1' or '.' trailers |
| pascal@24022 | 5 #define BASIC_ISO9660 non rockridge support |
| pascal@24019 | 6 #define ROCKRIDGE iso 9660 posix name support |
| pascal@24019 | 7 #define ISO9660 iso= support |
| pascal@24019 | 8 #define QUICK_BOOT /q bypass shutdown hack, /v keeps v86 |
| pascal@24019 | 9 #define ISOHOOK iso image dos boot helper |
| pascal@24019 | 10 #define MOVE_SETUP spare few Kb in setup location for zImage system |
| pascal@24019 | 11 #define NO386 8088 support |
| pascal@24019 | 12 #define CPU64 /64 support |
| pascal@24019 | 13 #define LONG_FILENAME look for Win95+ long file name too |
| pascal@24019 | 14 #define SHUTDOWN disable int19 hooked drivers |
| pascal@24019 | 15 #define VCPI v86 mode support with VCPI 4.0+ |
| pascal@24019 | 16 #define LINUX001 linux 0.01 support |
| pascal@24019 | 17 #define ELKS elks support |
| pascal@24019 | 18 #define IPXE ipxe support |
| pascal@24019 | 19 /* End of the optional features */ |
| pascal@24019 | 20 |
| pascal@24019 | 21 #ifdef ISOHOOK |
| pascal@24019 | 22 #ifndef ROCKRIDGE |
| pascal@24019 | 23 #define ROCKRIDGE |
| pascal@24019 | 24 #endif |
| pascal@24019 | 25 #ifndef CPU64 |
| pascal@24019 | 26 #define CPU64 |
| pascal@24019 | 27 #endif |
| pascal@24019 | 28 #endif |
| pascal@24022 | 29 #if defined(ROCKRIDGE) || defined(BASIC_ISO9660) || defined(RAW_ISO9660) |
| pascal@24022 | 30 #ifndef ISO9660 |
| pascal@24022 | 31 #define ISO9660 |
| pascal@24022 | 32 #endif |
| pascal@24022 | 33 #endif |
| pascal@24019 | 34 |
| pascal@19515 | 35 // This file is distributed under GPL |
| pascal@19515 | 36 // |
| pascal@19515 | 37 // Common defs not belonging to CRTL |
| pascal@19515 | 38 |
| pascal@24019 | 39 #if defined(__BORLANDC__) && !defined(NO386) |
| pascal@24019 | 40 #pragma option -3 |
| pascal@24019 | 41 asm{ |
| pascal@24019 | 42 .386p |
| pascal@24019 | 43 } |
| pascal@24019 | 44 #endif |
| pascal@24019 | 45 |
| pascal@21757 | 46 #define NL "\n" |
| pascal@19515 | 47 #define VERSION_STR "0.97" |
| pascal@19515 | 48 |
| pascal@19515 | 49 #if 0 // DEBUG |
| pascal@19515 | 50 #undef NDEBUG |
| pascal@19515 | 51 #define DEBUG |
| pascal@19515 | 52 #define static |
| pascal@19515 | 53 #else // not DEBUG |
| pascal@19515 | 54 #define NDEBUG |
| pascal@19515 | 55 #undef DEBUG |
| pascal@19515 | 56 #endif |
| pascal@19515 | 57 |
| pascal@19515 | 58 typedef unsigned long u32; typedef signed long s32; |
| pascal@19515 | 59 typedef unsigned short u16; typedef signed short s16; |
| pascal@19515 | 60 typedef unsigned char u8; typedef signed char s8; |
| pascal@19515 | 61 |
| pascal@19515 | 62 const u16 _16k = 16*1024u; |
| pascal@19515 | 63 const u16 _32k = 32*1024u; |
| pascal@19515 | 64 const u32 _64k = 64*1024ul; |
| pascal@19515 | 65 const u32 _1m = 1024ul*1024ul; |
| pascal@19580 | 66 const u32 _32m = 32*1024ul*1024ul; |
| pascal@19580 | 67 const u32 _64m = 64*1024ul*1024ul; |
| pascal@19515 | 68 |
| pascal@19515 | 69 const PAGE_BITS = 12; |
| pascal@19515 | 70 const PAGE_SIZE = 1<<PAGE_BITS; |
| pascal@19515 | 71 const PAGE_MASK = PAGE_SIZE-1; |
| pascal@19515 | 72 |
| pascal@19515 | 73 // WARNING! |
| pascal@19515 | 74 // BC 3.1 bug: seg() will generate incorrect code if inlined! |
| pascal@19515 | 75 // replaced by _dirty_ hack for now |
| pascal@19515 | 76 // u16 seg(const void far* p) { return FP_SEG(p); } |
| pascal@19515 | 77 inline u16 seg(const void far*) { return _DS; } |
| pascal@19515 | 78 |
| pascal@19515 | 79 inline u16 ofs(const void* p) { return FP_OFF(p); } |
| pascal@19515 | 80 |
| pascal@19515 | 81 extern struct image_himem { |
| pascal@19515 | 82 int fd; |
| pascal@19515 | 83 u32 fallback; |
| pascal@19515 | 84 u32 size; |
| pascal@19515 | 85 u32 remaining; |
| pascal@19515 | 86 u32 buf; |
| pascal@19515 | 87 u32 *bufv; |
| pascal@19515 | 88 u32 chunk_size; |
| pascal@19515 | 89 u16 state; |
| pascal@19538 | 90 u16 fd2close; |
| pascal@19899 | 91 } imgs[2]; |
| pascal@19899 | 92 #define pm (imgs[0]) |
| pascal@19899 | 93 #define initrd (imgs[1]) |
| pascal@20538 | 94 #define pm2initrd(p) (p+1) |
| pascal@19515 | 95 |
| pascal@22288 | 96 extern u8 pm_low; |
| pascal@23996 | 97 |
| pascal@24022 | 98 extern u8 buf4k[4096]; |
| pascal@24022 | 99 |
| pascal@21758 | 100 extern u32 far *initrd_desc; |
| pascal@23996 | 101 #define cmdline (cmdstr[0]) |
| pascal@23996 | 102 #define kernel_name (cmdstr[1]) |
| pascal@23996 | 103 #define initrd_name (cmdstr[2]) |
| pascal@23996 | 104 #define isofile (cmdstr[3]) |
| pascal@23996 | 105 extern const char* cmdstr[4]; |
| pascal@23996 | 106 |
| pascal@23996 | 107 #define root_dev (cmdnum[0]) |
| pascal@23996 | 108 #define vid_mode (cmdnum[1]) // -3 = ask, -2 = Extended VGA, -1 = Normal VGA, n = as "n" was pressed |
| pascal@23996 | 109 #define topmem (cmdnum[2]) |
| pascal@23996 | 110 #define base_himem (cmdnum[3]) |
| pascal@23999 | 111 #define skip_alloc (* (char *) &cmdnum[4]) |
| pascal@24013 | 112 #ifdef QUICK_BOOT |
| pascal@24013 | 113 extern u32 cmdnum[7]; |
| pascal@24013 | 114 #else |
| pascal@23999 | 115 extern u32 cmdnum[5]; |
| pascal@24013 | 116 #endif |
| pascal@19580 | 117 |
| pascal@24013 | 118 extern _fastcall void memcpy_image_kernel(); |
| pascal@24013 | 119 extern _fastcall void memcpy_image_initrd(); |
| pascal@20538 | 120 extern _fastcall void storepage(u32 *dst); |
| pascal@20538 | 121 extern _fastcall void reset_bufv(unsigned long *p); |
| pascal@19571 | 122 extern "C" unsigned long* prev_bufv(); |
| pascal@19571 | 123 extern "C" unsigned long* next_bufv(); |
| pascal@19571 | 124 #define next(p) p = next_bufv() |
| pascal@19571 | 125 #define prev(p) p = prev_bufv() |
| pascal@19515 | 126 extern char vcpi; |
| pascal@22170 | 127 extern char version_string[]; |
| pascal@19515 | 128 // External asm helpers |
| pascal@23992 | 129 #ifdef WITH_XMM_ALLOC |
| pascal@20538 | 130 extern _fastcall void xmm_alloc(struct image_himem *m); |
| pascal@23992 | 131 #endif |
| pascal@19515 | 132 extern "C" u32 memtop(); |
| pascal@19515 | 133 extern "C" void enable_a20_or_die(); |
| pascal@24013 | 134 extern "C" void far vm2rm(); |
| pascal@19515 | 135 extern "C" void hook_int15_88(); |
| pascal@19515 | 136 |
| pascal@19515 | 137 // C++ helpers |
| pascal@19515 | 138 #ifdef DEBUG |
| pascal@19515 | 139 extern "C" void hang(); |
| pascal@19515 | 140 #endif |
| pascal@19515 | 141 |
| pascal@19515 | 142 void load_image(struct image_himem *m); |
| pascal@21649 | 143 extern _fastcall void open_image(struct image_himem *m, const char *name); |
| pascal@20538 | 144 extern _fastcall int read_image(struct image_himem *m); |
| pascal@22170 | 145 void load_kernel(); |
| pascal@19515 | 146 void load_initrd(); |
| pascal@19903 | 147 extern "C" void boot_kernel(); |