wok-next view linld/stuff/src/COMMON.H @ rev 19515
linld: multi initrd support
| author | Pascal Bellard <pascal.bellard@slitaz.org> |
|---|---|
| date | Tue Nov 22 21:19:01 2016 +0100 (2016-11-22) |
| parents | |
| children | 7f92b23984dc |
line source
1 // This file is distributed under GPL
2 //
3 // Common defs not belonging to CRTL
5 #define NL "\r\n"
6 #define VERSION_STR "0.97"
8 #if 0 // DEBUG
9 #undef NDEBUG
10 #define DEBUG
11 #define static
12 #else // not DEBUG
13 #define NDEBUG
14 #undef DEBUG
15 #endif
17 typedef unsigned long u32; typedef signed long s32;
18 typedef unsigned short u16; typedef signed short s16;
19 typedef unsigned char u8; typedef signed char s8;
21 const u16 _16k = 16*1024u;
22 const u16 _32k = 32*1024u;
23 const u32 _64k = 64*1024ul;
24 const u32 _1m = 1024ul*1024ul;
26 const PAGE_BITS = 12;
27 const PAGE_SIZE = 1<<PAGE_BITS;
28 const PAGE_MASK = PAGE_SIZE-1;
30 // WARNING!
31 // BC 3.1 bug: seg() will generate incorrect code if inlined!
32 // replaced by _dirty_ hack for now
33 // u16 seg(const void far* p) { return FP_SEG(p); }
34 inline u16 seg(const void far*) { return _DS; }
36 inline u16 ofs(const void* p) { return FP_OFF(p); }
38 extern struct image_himem {
39 int fd;
40 u32 fallback;
41 u32 size;
42 u32 remaining;
43 u32 buf;
44 u32 *bufv;
45 const char *errmsg;
46 u32 chunk_size;
47 void (*next_chunk)(struct image_himem *);
48 u16 state;
49 } pm, initrd;
51 extern char vcpi;
52 extern const char* kernel_name;
53 extern const char* initrd_name;
54 extern const char* cmdline;
55 extern u16 root_dev;
56 extern u16 vid_mode;
57 // External asm helpers
58 extern "C" void memcpy32(u16,u32, u16,u32, u32);
59 extern "C" void set_sregs_jump_seg_ofs(u32 csip, u32 sssp);
60 extern "C" u32 xmm_alloc(u32 size);
61 extern u32 topmem;
62 extern "C" u32 memtopz();
63 extern "C" u32 memtop();
64 extern "C" void enable_a20_or_die();
65 extern "C" int get_vcpi_interface();
66 extern "C" char* prepare_vcpi(void *pagebuf);
67 //extern "C" int call_pm_routine(void* f);
68 extern "C" void memcpy_vcpi(u32 dstofs,u16 srcseg,u16 srcofs);
69 extern "C" void vm2rm();
70 extern "C" void hook_int15_88();
72 // C++ helpers
73 #ifdef DEBUG
74 extern "C" void hang();
75 #endif
77 void load_image(struct image_himem *m);
78 extern "C" void open_image(const char *name, struct image_himem *m);
79 extern "C" int read_image(struct image_himem *m, void* data, int sz);
80 char* load_kernel();
81 void load_initrd();
82 void boot_kernel();