wok annotate linld/stuff/src/COMMON.H @ rev 24013
linld: add quick boot switch
| author | Pascal Bellard <pascal.bellard@slitaz.org> |
|---|---|
| date | Thu Feb 18 08:56:43 2021 +0000 (2021-02-18) |
| parents | 5c1ce90eb1d6 |
| children | 61df94a0fa43 |
| rev | line source |
|---|---|
| pascal@19515 | 1 // This file is distributed under GPL |
| pascal@19515 | 2 // |
| pascal@19515 | 3 // Common defs not belonging to CRTL |
| pascal@19515 | 4 |
| pascal@21757 | 5 #define NL "\n" |
| pascal@19515 | 6 #define VERSION_STR "0.97" |
| pascal@19515 | 7 |
| pascal@19515 | 8 #if 0 // DEBUG |
| pascal@19515 | 9 #undef NDEBUG |
| pascal@19515 | 10 #define DEBUG |
| pascal@19515 | 11 #define static |
| pascal@19515 | 12 #else // not DEBUG |
| pascal@19515 | 13 #define NDEBUG |
| pascal@19515 | 14 #undef DEBUG |
| pascal@19515 | 15 #endif |
| pascal@19515 | 16 |
| pascal@19515 | 17 typedef unsigned long u32; typedef signed long s32; |
| pascal@19515 | 18 typedef unsigned short u16; typedef signed short s16; |
| pascal@19515 | 19 typedef unsigned char u8; typedef signed char s8; |
| pascal@19515 | 20 |
| pascal@19515 | 21 const u16 _16k = 16*1024u; |
| pascal@19515 | 22 const u16 _32k = 32*1024u; |
| pascal@19515 | 23 const u32 _64k = 64*1024ul; |
| pascal@19515 | 24 const u32 _1m = 1024ul*1024ul; |
| pascal@19580 | 25 const u32 _32m = 32*1024ul*1024ul; |
| pascal@19580 | 26 const u32 _64m = 64*1024ul*1024ul; |
| pascal@19515 | 27 |
| pascal@19515 | 28 const PAGE_BITS = 12; |
| pascal@19515 | 29 const PAGE_SIZE = 1<<PAGE_BITS; |
| pascal@19515 | 30 const PAGE_MASK = PAGE_SIZE-1; |
| pascal@19515 | 31 |
| pascal@19515 | 32 // WARNING! |
| pascal@19515 | 33 // BC 3.1 bug: seg() will generate incorrect code if inlined! |
| pascal@19515 | 34 // replaced by _dirty_ hack for now |
| pascal@19515 | 35 // u16 seg(const void far* p) { return FP_SEG(p); } |
| pascal@19515 | 36 inline u16 seg(const void far*) { return _DS; } |
| pascal@19515 | 37 |
| pascal@19515 | 38 inline u16 ofs(const void* p) { return FP_OFF(p); } |
| pascal@19515 | 39 |
| pascal@19515 | 40 extern struct image_himem { |
| pascal@19515 | 41 int fd; |
| pascal@19515 | 42 u32 fallback; |
| pascal@19515 | 43 u32 size; |
| pascal@19515 | 44 u32 remaining; |
| pascal@19515 | 45 u32 buf; |
| pascal@19515 | 46 u32 *bufv; |
| pascal@19515 | 47 u32 chunk_size; |
| pascal@19515 | 48 u16 state; |
| pascal@19538 | 49 u16 fd2close; |
| pascal@19899 | 50 } imgs[2]; |
| pascal@19899 | 51 #define pm (imgs[0]) |
| pascal@19899 | 52 #define initrd (imgs[1]) |
| pascal@20538 | 53 #define pm2initrd(p) (p+1) |
| pascal@19515 | 54 |
| pascal@22288 | 55 extern u8 pm_low; |
| pascal@23996 | 56 |
| pascal@21758 | 57 extern u32 far *initrd_desc; |
| pascal@23996 | 58 #define cmdline (cmdstr[0]) |
| pascal@23996 | 59 #define kernel_name (cmdstr[1]) |
| pascal@23996 | 60 #define initrd_name (cmdstr[2]) |
| pascal@23996 | 61 #define isofile (cmdstr[3]) |
| pascal@23996 | 62 extern const char* cmdstr[4]; |
| pascal@23996 | 63 |
| pascal@23996 | 64 #define root_dev (cmdnum[0]) |
| pascal@23996 | 65 #define vid_mode (cmdnum[1]) // -3 = ask, -2 = Extended VGA, -1 = Normal VGA, n = as "n" was pressed |
| pascal@23996 | 66 #define topmem (cmdnum[2]) |
| pascal@23996 | 67 #define base_himem (cmdnum[3]) |
| pascal@23999 | 68 #define skip_alloc (* (char *) &cmdnum[4]) |
| pascal@24013 | 69 #ifdef QUICK_BOOT |
| pascal@24013 | 70 extern u32 cmdnum[7]; |
| pascal@24013 | 71 #else |
| pascal@23999 | 72 extern u32 cmdnum[5]; |
| pascal@24013 | 73 #endif |
| pascal@19580 | 74 |
| pascal@24013 | 75 extern _fastcall void memcpy_image_kernel(); |
| pascal@24013 | 76 extern _fastcall void memcpy_image_initrd(); |
| pascal@20538 | 77 extern _fastcall void storepage(u32 *dst); |
| pascal@20538 | 78 extern _fastcall void reset_bufv(unsigned long *p); |
| pascal@19571 | 79 extern "C" unsigned long* prev_bufv(); |
| pascal@19571 | 80 extern "C" unsigned long* next_bufv(); |
| pascal@19571 | 81 #define next(p) p = next_bufv() |
| pascal@19571 | 82 #define prev(p) p = prev_bufv() |
| pascal@19515 | 83 extern char vcpi; |
| pascal@22170 | 84 extern char version_string[]; |
| pascal@19515 | 85 // External asm helpers |
| pascal@23992 | 86 #ifdef WITH_XMM_ALLOC |
| pascal@20538 | 87 extern _fastcall void xmm_alloc(struct image_himem *m); |
| pascal@23992 | 88 #endif |
| pascal@19515 | 89 extern "C" u32 memtop(); |
| pascal@19515 | 90 extern "C" void enable_a20_or_die(); |
| pascal@24013 | 91 extern "C" void far vm2rm(); |
| pascal@19515 | 92 extern "C" void hook_int15_88(); |
| pascal@19515 | 93 |
| pascal@19515 | 94 // C++ helpers |
| pascal@19515 | 95 #ifdef DEBUG |
| pascal@19515 | 96 extern "C" void hang(); |
| pascal@19515 | 97 #endif |
| pascal@19515 | 98 |
| pascal@19515 | 99 void load_image(struct image_himem *m); |
| pascal@21649 | 100 extern _fastcall void open_image(struct image_himem *m, const char *name); |
| pascal@20538 | 101 extern _fastcall int read_image(struct image_himem *m); |
| pascal@22170 | 102 void load_kernel(); |
| pascal@19515 | 103 void load_initrd(); |
| pascal@19903 | 104 extern "C" void boot_kernel(); |