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Rev 1075 | Rev 1130 | ||
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Line 34... | Line 34... | ||
34 | #define KERNEL_END ((void *) &_binary_____________kernel_kernel_bin_end) |
34 | #define KERNEL_END ((void *) &_binary_____________kernel_kernel_bin_end) |
35 | #define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START) |
35 | #define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START) |
36 | 36 | ||
37 | #define HEAP_GAP 1024000 |
37 | #define HEAP_GAP 1024000 |
38 | 38 | ||
- | 39 | typedef struct { |
|
39 | memmap_t memmap; |
40 | memmap_t memmap; |
- | 41 | screen_t screen; |
|
- | 42 | } bootinfo_t; |
|
- | 43 | ||
- | 44 | bootinfo_t bootinfo; |
|
40 | 45 | ||
41 | 46 | ||
42 | static void check_align(const void *addr, const char *desc) |
47 | static void check_align(const void *addr, const char *desc) |
43 | { |
48 | { |
44 | if ((unsigned int) addr % PAGE_SIZE != 0) { |
49 | if ((unsigned int) addr % PAGE_SIZE != 0) { |
Line 80... | Line 85... | ||
80 | 85 | ||
81 | check_align(KERNEL_START, "Kernel image"); |
86 | check_align(KERNEL_START, "Kernel image"); |
82 | check_align(&real_mode, "Bootstrap trampoline"); |
87 | check_align(&real_mode, "Bootstrap trampoline"); |
83 | check_align(&trans, "Translation table"); |
88 | check_align(&trans, "Translation table"); |
84 | 89 | ||
85 | if (!ofw_memmap(&memmap)) { |
90 | if (!ofw_memmap(&bootinfo.memmap)) { |
86 | printf("Error: Unable to get memory map\n"); |
91 | printf("Error: Unable to get memory map\n"); |
87 | halt(); |
92 | halt(); |
88 | } |
93 | } |
89 | 94 | ||
- | 95 | if (!ofw_screen(&bootinfo.screen)) { |
|
- | 96 | printf("Error: Unable to get screen properties\n"); |
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- | 97 | halt(); |
|
- | 98 | } |
|
- | 99 | ||
- | 100 | printf("\nDevice statistics\n"); |
|
- | 101 | printf(" screen at %L, resolution %dx%d, %d bpp (scanline %d bytes)\n", bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline); |
|
- | 102 | ||
90 | void *real_mode_pa = ofw_translate(&real_mode); |
103 | void *real_mode_pa = ofw_translate(&real_mode); |
91 | void *trans_pa = ofw_translate(&trans); |
104 | void *trans_pa = ofw_translate(&trans); |
92 | void *memmap_pa = ofw_translate(&memmap); |
105 | void *bootinfo_pa = ofw_translate(&bootinfo); |
93 | 106 | ||
94 | printf("Memory statistics (total %d MB)\n", memmap.total >> 20); |
107 | printf("\nMemory statistics (total %d MB)\n", bootinfo.memmap.total >> 20); |
95 | printf(" kernel image at %L (size %d bytes)\n", KERNEL_START, KERNEL_SIZE); |
108 | printf(" kernel image at %L (size %d bytes)\n", KERNEL_START, KERNEL_SIZE); |
96 | printf(" memory map at %L (physical %L)\n", &memmap, memmap_pa); |
109 | printf(" boot info at %L (physical %L)\n", &bootinfo, bootinfo_pa); |
97 | printf(" bootstrap trampoline at %L (physical %L)\n", &real_mode, real_mode_pa); |
110 | printf(" bootstrap trampoline at %L (physical %L)\n", &real_mode, real_mode_pa); |
98 | printf(" translation table at %L (physical %L)\n", &trans, trans_pa); |
111 | printf(" translation table at %L (physical %L)\n", &trans, trans_pa); |
99 | 112 | ||
100 | unsigned int top = ALIGN_UP(KERNEL_SIZE, PAGE_SIZE); |
113 | unsigned int top = ALIGN_UP(KERNEL_SIZE, PAGE_SIZE); |
101 | unsigned int addr; |
114 | unsigned int addr; |
Line 105... | Line 118... | ||
105 | trans[addr >> PAGE_WIDTH] = pa; |
118 | trans[addr >> PAGE_WIDTH] = pa; |
106 | } |
119 | } |
107 | 120 | ||
108 | fix_overlap(&real_mode, &real_mode_pa, "Bootstrap trampoline", &top); |
121 | fix_overlap(&real_mode, &real_mode_pa, "Bootstrap trampoline", &top); |
109 | fix_overlap(&trans, &trans_pa, "Translation table", &top); |
122 | fix_overlap(&trans, &trans_pa, "Translation table", &top); |
110 | fix_overlap(&memmap, &memmap_pa, "Memory map", &top); |
123 | fix_overlap(&bootinfo, &bootinfo_pa, "Boot info", &top); |
111 | 124 | ||
112 | printf("Booting the kernel...\n"); |
125 | printf("\nBooting the kernel...\n"); |
113 | jump_to_kernel(memmap_pa, trans_pa, KERNEL_SIZE, real_mode_pa); |
126 | jump_to_kernel(bootinfo_pa, trans_pa, KERNEL_SIZE, real_mode_pa); |
114 | } |
127 | } |