wok view linld/stuff/src/COMMON.H @ rev 24034

Openssh (8.5p1)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Thu Apr 08 09:21:26 2021 +0000 (2021-04-08)
parents 217c02cbbe8d
children 06547d8cf241
line source
1 //#define WITH_XMM_ALLOC add himem.sys driver
2 //#define INT15_E820 add int15/eax=E820 driver
3 //#define LARGE_ZIMAGE may load system in high memory temporarily
4 #define CLEAN_ISO9660 remove ';1' or '.' trailers for non rockridge name
5 #define BASIC_ISO9660 non rockridge support
6 #define ROCKRIDGE iso 9660 posix name support
7 #define ISO9660 iso= support
8 #define QUICK_BOOT /q bypass shutdown hack, /v keeps v86
9 #define ISOHOOK iso image dos boot helper
10 #define MOVE_SETUP spare few Kb in setup location for zImage system
11 #define NO386 8088 support
12 #define CPU64 /64 support
13 #define LONG_FILENAME look for Win95+ long file name too
14 #define SHUTDOWN disable int19 hooked drivers
15 #define VCPI v86 mode support with VCPI 4.0+
16 #define LINUX001 linux 0.01 support
17 #define ELKS elks support
18 #define IPXE ipxe support
19 /* End of the optional features */
20
21 #ifdef ISOHOOK
22 #ifndef ROCKRIDGE
23 #define ROCKRIDGE
24 #endif
25 #ifndef CPU64
26 #define CPU64
27 #endif
28 #endif
29 #if defined(ROCKRIDGE) || defined(BASIC_ISO9660) || defined(CLEAN_ISO9660)
30 #ifndef ISO9660
31 #define ISO9660
32 #endif
33 #endif
34
35 // This file is distributed under GPL
36 //
37 // Common defs not belonging to CRTL
38
39 #if defined(__BORLANDC__) && !defined(NO386)
40 #pragma option -3
41 asm{
42 .386p
43 }
44 #endif
45
46 #define NL "\n"
47 #define VERSION_STR "0.97"
48
49 #if 0 // DEBUG
50 #undef NDEBUG
51 #define DEBUG
52 #define static
53 #else // not DEBUG
54 #define NDEBUG
55 #undef DEBUG
56 #endif
57
58 typedef unsigned long u32; typedef signed long s32;
59 typedef unsigned short u16; typedef signed short s16;
60 typedef unsigned char u8; typedef signed char s8;
61
62 const u16 _16k = 16*1024u;
63 const u16 _32k = 32*1024u;
64 const u32 _64k = 64*1024ul;
65 const u32 _1m = 1024ul*1024ul;
66 const u32 _32m = 32*1024ul*1024ul;
67 const u32 _64m = 64*1024ul*1024ul;
68
69 const PAGE_BITS = 12;
70 const PAGE_SIZE = 1<<PAGE_BITS;
71 const PAGE_MASK = PAGE_SIZE-1;
72
73 // WARNING!
74 // BC 3.1 bug: seg() will generate incorrect code if inlined!
75 // replaced by _dirty_ hack for now
76 // u16 seg(const void far* p) { return FP_SEG(p); }
77 inline u16 seg(const void far*) { return _DS; }
78
79 inline u16 ofs(const void* p) { return FP_OFF(p); }
80
81 extern struct image_himem {
82 int fd;
83 u32 fallback;
84 u32 size;
85 u32 remaining;
86 u32 buf;
87 u32 *bufv;
88 u32 chunk_size;
89 u16 state;
90 u16 fd2close;
91 } imgs[2];
92 #define pm (imgs[0])
93 #define initrd (imgs[1])
94 #define pm2initrd(p) (p+1)
95
96 extern u8 pm_low;
97
98 extern u8 buf4k[4096];
99
100 extern u32 far *initrd_desc;
101 #define cmdline (cmdstr[0])
102 #define kernel_name (cmdstr[1])
103 #define initrd_name (cmdstr[2])
104 #define isofile (cmdstr[3])
105 extern const char* cmdstr[4];
106
107 #define root_dev (cmdnum[0])
108 #define vid_mode (cmdnum[1]) // -3 = ask, -2 = Extended VGA, -1 = Normal VGA, n = as "n" was pressed
109 #define topmem (cmdnum[2])
110 #define base_himem (cmdnum[3])
111 #define skip_alloc (* (char *) &cmdnum[4])
112 #ifdef QUICK_BOOT
113 extern u32 cmdnum[7];
114 #else
115 extern u32 cmdnum[5];
116 #endif
117
118 extern _fastcall void memcpy_image_kernel();
119 extern _fastcall void memcpy_image_initrd();
120 extern _fastcall void storepage(u32 *dst);
121 extern _fastcall void reset_bufv(unsigned long *p);
122 extern "C" unsigned long* prev_bufv();
123 extern "C" unsigned long* next_bufv();
124 #define next(p) p = next_bufv()
125 #define prev(p) p = prev_bufv()
126 extern char vcpi;
127 extern char version_string[];
128 // External asm helpers
129 #ifdef WITH_XMM_ALLOC
130 extern _fastcall void xmm_alloc(struct image_himem *m);
131 #endif
132 extern "C" u32 memtop();
133 extern "C" void enable_a20_or_die();
134 extern "C" void far vm2rm();
135 extern "C" void hook_int15_88();
136
137 // C++ helpers
138 #ifdef DEBUG
139 extern "C" void hang();
140 #endif
141
142 void load_image(struct image_himem *m);
143 extern _fastcall void open_image(struct image_himem *m, const char *name);
144 extern _fastcall int read_image(struct image_himem *m);
145 void load_kernel();
146 void load_initrd();
147 extern "C" void boot_kernel();