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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 854 | serge | 1 | |
| 2 | |||
| 3 | |||
| 4 | #include "multiboot.h" |
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| 5 | |||
| 6 | extern u32_t pg_balloc; |
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| 7 | |||
| 8 | extern u32_t mem_amount; |
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| 9 | |||
| 10 | extern u32_t rd_fat ; |
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| 11 | extern u32_t rd_fat_end ; |
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| 12 | extern u32_t rd_root ; |
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| 13 | extern u32_t rd_root_end ; |
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| 14 | |||
| 15 | extern multiboot_info_t *boot_mbi; |
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| 16 | |||
| 17 | /* Check if the bit BIT in FLAGS is set. */ |
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| 18 | |||
| 19 | |||
| 20 | void init() |
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| 21 | |||
| 22 | u32_t last_page = 0; |
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| 23 | |||
| 24 | if (CHECK_FLAG (boot_mbi->flags, 1)) |
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| 25 | |||
| 26 | |||
| 27 | /* Is the command line passed? */ |
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| 28 | |||
| 29 | printf ("cmdline = %s\n", (char *) boot_mbi->cmdline); |
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| 30 | |||
| 31 | /* Are mods_* valid? */ |
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| 32 | |||
| 33 | { |
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| 34 | module_t *mod; |
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| 35 | int i; |
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| 36 | |||
| 37 | printf ("mods_count = %d, mods_addr = 0x%x\n", |
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| 38 | |||
| 39 | for (i = 0, mod = (module_t *) boot_mbi->mods_addr; |
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| 40 | i < boot_mbi->mods_count;i++, mod++) |
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| 41 | { |
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| 42 | pg_balloc = mod->mod_end; |
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| 43 | printf (" mod_start = 0x%x, mod_end = 0x%x, string = %s\n", |
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| 44 | (u32_t) mod->mod_start,(u32_t) mod->mod_end, (char *) mod->string); |
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| 45 | }; |
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| 46 | mod--; |
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| 47 | rd_base = mod->mod_start+OS_BASE; |
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| 48 | rd_fat = rd_base + 512; |
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| 49 | rd_fat_end = rd_base + 512 + 4278; |
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| 50 | rd_root = rd_base + 512*19; |
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| 51 | rd_root_end = rd_base + 512*33; |
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| 52 | printf(" rd_base = %x\n", rd_base); |
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| 53 | } |
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| 54 | |||
| 55 | if (CHECK_FLAG (boot_mbi->flags, 6)) |
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| 56 | |||
| 57 | memory_map_t *mmap; |
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| 58 | u32_t page; |
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| 59 | |||
| 60 | printf ("mmap_addr = 0x%x, mmap_length = 0x%x\n", |
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| 61 | |||
| 62 | |||
| 63 | for (mmap = (memory_map_t *) boot_mbi->mmap_addr; |
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| 64 | |||
| 65 | mmap = (memory_map_t *) ((u32_t) mmap |
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| 66 | + mmap->size + sizeof (mmap->size))) |
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| 67 | { |
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| 68 | u32_t page; |
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| 69 | |||
| 70 | printf (" size = 0x%x, base_addr = 0x%x%x," |
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| 71 | |||
| 72 | (unsigned) mmap->size, |
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| 73 | (unsigned) mmap->base_addr_high, |
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| 74 | (unsigned) mmap->base_addr_low, |
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| 75 | (unsigned) mmap->length_high, |
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| 76 | (unsigned) mmap->length_low, |
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| 77 | (unsigned) mmap->type); |
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| 78 | |||
| 79 | if( mmap->type != 1) |
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| 80 | |||
| 81 | page = (mmap->base_addr_low+mmap->length_low)&(~4095); |
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| 82 | if(page > last_page) |
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| 83 | last_page = page; |
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| 84 | } |
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| 85 | } |
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| 86 | |||
| 87 | if(last_page > 256*1024*1024) |
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| 88 | |||
| 89 | |||
| 90 | mem_amount = last_page; |
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| 91 | |||
| 92 | }; |
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| 93 |