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1 #include <efi.h>
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2 #include <efilib.h>
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3
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4 EFI_STATUS
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5 efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *systab)
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6 {
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7 InitializeLib(image, systab);
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8
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9 Print(L"test start.\n");
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10
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11 UINTN map_size, cookie, size, version;
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12 map_size = EFI_PAGE_SIZE * 2;
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13 EFI_MEMORY_DESCRIPTOR *md;
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14
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15 EFI_STATUS status = uefi_call_wrapper(BS->AllocatePool, 3, EfiLoaderData, map_size, &md);
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16
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17 if (EFI_ERROR(status)) {
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18 Print(L"error 'allocate pool' %r \n", status);
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19 }
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20
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21 status = uefi_call_wrapper(BS->GetMemoryMap, 5, &map_size, md, &cookie, &size, &version);
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22 if (EFI_ERROR(status)) {
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23 Print(L"error 'get memory map' %r \n", status);
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24 }
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25
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26 /*
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27 UINTN nr_map = map_size/size;
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28
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29 UINTN i;
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30 for (i=0; i <nr_map ;i++) {
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31 EFI_MEMORY_DESCRIPTOR p = md[i];
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32 switch (p.Type) {
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33 case EfiReservedMemoryType:
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34 Print(L"| reserved memory.");
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35 break;
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36 case EfiLoaderCode:
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37 Print(L"| loader code.");
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38 break;
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39 case EfiLoaderData:
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40 Print(L"| loader data.");
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41 break;
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42 case EfiBootServicesCode:
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43 Print(L"| boot services code.");
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44 break;
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45 case EfiBootServicesData:
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46 Print(L"| boot services data.");
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47 break;
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48 case EfiConventionalMemory:
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49 Print(L"| conventional memory.");
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50 break;
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51 case EfiUnusableMemory:
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52 Print(L"| unusable memory.");
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53 break;
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54 case EfiACPIReclaimMemory:
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55 Print(L"| ACPI reclaim memory.");
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56 break;
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57 case EfiACPIMemoryNVS:
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58 Print(L"| ACPI memory NVS.");
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59 break;
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60 case EfiMemoryMappedIO:
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61 Print(L"| memory mapped IO.");
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62 break;
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63 case EfiMemoryMappedIOPortSpace:
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64 Print(L"| memory mapped IO port space.");
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65 break;
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66 case EfiPalCode:
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67 Print(L"| pal code. ");
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68 break;
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69 case EfiMaxMemoryType:
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70 Print(L"| max memory type.");
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71 break;
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72 }
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73 }
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74 */
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75
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76 status = uefi_call_wrapper(BS->ExitBootServices, 2, image, cookie);
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77
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78 if (EFI_ERROR(status)) {
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79 Print(L"error 'exit boot services' %r \n", status);
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80 }
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81
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82 while(1) { }
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83
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84 return EFI_SUCCESS;
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85 }
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