wok annotate linld/stuff/src/COMMON.H @ rev 24152

linux64: built in nfs support
author Pascal Bellard <pascal.bellard@slitaz.org>
date Mon Dec 06 10:55:21 2021 +0000 (2021-12-06)
parents 06547d8cf241
children c11594098e34
rev   line source
pascal@24019 1 //#define WITH_XMM_ALLOC add himem.sys driver
pascal@24034 2 //#define INT15_E820 add int15/eax=E820 driver
pascal@24019 3 //#define LARGE_ZIMAGE may load system in high memory temporarily
pascal@24034 4 #define CLEAN_ISO9660 remove ';1' or '.' trailers for non rockridge name
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@24067 19 #define CPUTYPE detect cpu family and model
pascal@24019 20 /* End of the optional features */
pascal@24019 21
pascal@24019 22 #ifdef ISOHOOK
pascal@24019 23 #ifndef ROCKRIDGE
pascal@24019 24 #define ROCKRIDGE
pascal@24019 25 #endif
pascal@24019 26 #ifndef CPU64
pascal@24019 27 #define CPU64
pascal@24019 28 #endif
pascal@24019 29 #endif
pascal@24034 30 #if defined(ROCKRIDGE) || defined(BASIC_ISO9660) || defined(CLEAN_ISO9660)
pascal@24022 31 #ifndef ISO9660
pascal@24022 32 #define ISO9660
pascal@24022 33 #endif
pascal@24022 34 #endif
pascal@24019 35
pascal@19515 36 // This file is distributed under GPL
pascal@19515 37 //
pascal@19515 38 // Common defs not belonging to CRTL
pascal@19515 39
pascal@24019 40 #if defined(__BORLANDC__) && !defined(NO386)
pascal@24019 41 #pragma option -3
pascal@24019 42 asm{
pascal@24019 43 .386p
pascal@24019 44 }
pascal@24019 45 #endif
pascal@24019 46
pascal@21757 47 #define NL "\n"
pascal@19515 48 #define VERSION_STR "0.97"
pascal@19515 49
pascal@19515 50 #if 0 // DEBUG
pascal@19515 51 #undef NDEBUG
pascal@19515 52 #define DEBUG
pascal@19515 53 #define static
pascal@19515 54 #else // not DEBUG
pascal@19515 55 #define NDEBUG
pascal@19515 56 #undef DEBUG
pascal@19515 57 #endif
pascal@19515 58
pascal@19515 59 typedef unsigned long u32; typedef signed long s32;
pascal@19515 60 typedef unsigned short u16; typedef signed short s16;
pascal@19515 61 typedef unsigned char u8; typedef signed char s8;
pascal@19515 62
pascal@19515 63 const u16 _16k = 16*1024u;
pascal@19515 64 const u16 _32k = 32*1024u;
pascal@19515 65 const u32 _64k = 64*1024ul;
pascal@19515 66 const u32 _1m = 1024ul*1024ul;
pascal@19580 67 const u32 _32m = 32*1024ul*1024ul;
pascal@19580 68 const u32 _64m = 64*1024ul*1024ul;
pascal@19515 69
pascal@19515 70 const PAGE_BITS = 12;
pascal@19515 71 const PAGE_SIZE = 1<<PAGE_BITS;
pascal@19515 72 const PAGE_MASK = PAGE_SIZE-1;
pascal@19515 73
pascal@19515 74 // WARNING!
pascal@19515 75 // BC 3.1 bug: seg() will generate incorrect code if inlined!
pascal@19515 76 // replaced by _dirty_ hack for now
pascal@19515 77 // u16 seg(const void far* p) { return FP_SEG(p); }
pascal@19515 78 inline u16 seg(const void far*) { return _DS; }
pascal@19515 79
pascal@19515 80 inline u16 ofs(const void* p) { return FP_OFF(p); }
pascal@19515 81
pascal@19515 82 extern struct image_himem {
pascal@19515 83 int fd;
pascal@19515 84 u32 fallback;
pascal@19515 85 u32 size;
pascal@19515 86 u32 remaining;
pascal@19515 87 u32 buf;
pascal@19515 88 u32 *bufv;
pascal@19515 89 u32 chunk_size;
pascal@19515 90 u16 state;
pascal@19538 91 u16 fd2close;
pascal@19899 92 } imgs[2];
pascal@19899 93 #define pm (imgs[0])
pascal@19899 94 #define initrd (imgs[1])
pascal@20538 95 #define pm2initrd(p) (p+1)
pascal@19515 96
pascal@22288 97 extern u8 pm_low;
pascal@23996 98
pascal@24022 99 extern u8 buf4k[4096];
pascal@24022 100
pascal@21758 101 extern u32 far *initrd_desc;
pascal@23996 102 #define cmdline (cmdstr[0])
pascal@23996 103 #define kernel_name (cmdstr[1])
pascal@23996 104 #define initrd_name (cmdstr[2])
pascal@23996 105 #define isofile (cmdstr[3])
pascal@23996 106 extern const char* cmdstr[4];
pascal@23996 107
pascal@23996 108 #define root_dev (cmdnum[0])
pascal@23996 109 #define vid_mode (cmdnum[1]) // -3 = ask, -2 = Extended VGA, -1 = Normal VGA, n = as "n" was pressed
pascal@23996 110 #define topmem (cmdnum[2])
pascal@23996 111 #define base_himem (cmdnum[3])
pascal@24067 112 #ifdef CPUTYPE
pascal@24068 113 #define mincpu (* (short *) &cmdnum[4])
pascal@24067 114 #define skip_alloc (* (char *) &cmdnum[5])
pascal@24067 115 extern unsigned cputype;
pascal@24067 116 #else
pascal@23999 117 #define skip_alloc (* (char *) &cmdnum[4])
pascal@24067 118 #endif
pascal@24067 119 extern u32 cmdnum[5
pascal@24067 120 #ifdef CPUTYPE
pascal@24067 121 +1
pascal@24067 122 #endif
pascal@24013 123 #ifdef QUICK_BOOT
pascal@24067 124 +2
pascal@24013 125 #endif
pascal@24067 126 ];
pascal@19580 127
pascal@24013 128 extern _fastcall void memcpy_image_kernel();
pascal@24013 129 extern _fastcall void memcpy_image_initrd();
pascal@20538 130 extern _fastcall void storepage(u32 *dst);
pascal@20538 131 extern _fastcall void reset_bufv(unsigned long *p);
pascal@19571 132 extern "C" unsigned long* prev_bufv();
pascal@19571 133 extern "C" unsigned long* next_bufv();
pascal@19571 134 #define next(p) p = next_bufv()
pascal@19571 135 #define prev(p) p = prev_bufv()
pascal@19515 136 extern char vcpi;
pascal@22170 137 extern char version_string[];
pascal@19515 138 // External asm helpers
pascal@23992 139 #ifdef WITH_XMM_ALLOC
pascal@20538 140 extern _fastcall void xmm_alloc(struct image_himem *m);
pascal@23992 141 #endif
pascal@19515 142 extern "C" u32 memtop();
pascal@19515 143 extern "C" void enable_a20_or_die();
pascal@24013 144 extern "C" void far vm2rm();
pascal@19515 145 extern "C" void hook_int15_88();
pascal@19515 146
pascal@19515 147 // C++ helpers
pascal@19515 148 #ifdef DEBUG
pascal@19515 149 extern "C" void hang();
pascal@19515 150 #endif
pascal@19515 151
pascal@19515 152 void load_image(struct image_himem *m);
pascal@21649 153 extern _fastcall void open_image(struct image_himem *m, const char *name);
pascal@20538 154 extern _fastcall int read_image(struct image_himem *m);
pascal@22170 155 void load_kernel();
pascal@19515 156 void load_initrd();
pascal@19903 157 extern "C" void boot_kernel();