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30 | #include <arch/mm/frame.h> |
30 | #include <arch/mm/frame.h> |
31 | #include <mm/vm.h> |
31 | #include <mm/vm.h> |
32 | #include <config.h> |
32 | #include <config.h> |
33 | #include <arch/boot/boot.h> |
33 | #include <arch/boot/boot.h> |
34 | #include <arch/boot/memmap.h> |
34 | #include <arch/boot/memmap.h> |
- | 35 | #include <panic.h> |
|
35 | 36 | ||
36 | size_t hardcoded_unmapped_ktext_size = 0; |
37 | size_t hardcoded_unmapped_ktext_size = 0; |
37 | size_t hardcoded_unmapped_kdata_size = 0; |
38 | size_t hardcoded_unmapped_kdata_size = 0; |
38 | 39 | ||
39 | void frame_arch_init(void) |
40 | void frame_arch_init(void) |
40 | { |
41 | { |
- | 42 | zone_t *z; |
|
41 | __u8 i; |
43 | __u8 i; |
42 | 44 | ||
43 | if (config.cpu_active == 1) { |
45 | if (config.cpu_active == 1) { |
44 | /* Reserve the NULL frame */ |
- | |
45 | frame_not_free(0x0); |
- | |
46 | - | ||
47 | /* Reserve well-known memory regions */ |
- | |
48 | frame_region_not_free(0xa0000,0xff000); |
- | |
49 | frame_region_not_free(0xfec00000,0xffffffff); |
- | |
50 | - | ||
51 | /* Reserve real mode bootstrap memory */ |
- | |
52 | frame_region_not_free(BOOTSTRAP_OFFSET, BOOTSTRAP_OFFSET + hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size); |
- | |
53 | - | ||
54 | for (i=e820counter;i>0;i--) { |
46 | for (i=e820counter;i>0;i--) { |
55 | if (e820table[i-1].type!=MEMMAP_MEMORY_AVAILABLE) { |
47 | if (e820table[i-1].type==MEMMAP_MEMORY_AVAILABLE) { |
56 | frame_region_not_free(e820table[i-1].base_address, e820table[i-1].base_address+e820table[i-1].size); |
48 | z = zone_create(e820table[i-1].base_address, e820table[i-1].size & ~(FRAME_SIZE-1), 0); |
- | 49 | if (!z) { |
|
- | 50 | panic("Cannot allocate zone (%dB).\n", e820table[i-1].size & ~(FRAME_SIZE-1)); |
|
57 | } |
51 | } |
- | 52 | zone_attach(z); |
|
58 | } |
53 | } |
- | 54 | } |
|
- | 55 | ||
- | 56 | frame_not_free(0); |
|
- | 57 | ||
- | 58 | /* Reserve real mode bootstrap memory */ |
|
- | 59 | frame_region_not_free(BOOTSTRAP_OFFSET, BOOTSTRAP_OFFSET + hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size); |
|
59 | } |
60 | } |
60 | } |
61 | } |