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| /* | ||
| * Copyright (C) 2013 Jerry Hoemann <jerry.hoemann@hp.com> | ||
| * | ||
| * | ||
| * Application to allocate memory at EFI. Syntax of command | ||
| * mimics the EFI Boot Service "AllocatePages." | ||
| * | ||
| * See UEFI spec 2.3, Section 6.2. | ||
| * | ||
| * | ||
| FS1:\> memmap | ||
| Type Start End #pages Attributes | ||
| BS_Code 0000000000000000-0000000000000FFF 0000000000000001 000000000000000F | ||
| Available 0000000000001000-000000000008DFFF 000000000000008D 000000000000000F | ||
| Reserved 000000000008E000-000000000008FFFF 0000000000000002 000000000000000F | ||
| Available 0000000000090000-000000000009FFFF 0000000000000010 000000000000000F | ||
| Available 0000000000100000-000000000FFFFFFF 000000000000FF00 000000000000000F | ||
| BS_Code 0000000010000000-0000000010061FFF 0000000000000062 000000000000000F | ||
| Available 0000000010062000-000000005CDFFFFF 000000000004CD9E 000000000000000F | ||
| ACPI_NVS 000000005CE00000-000000005DDFFFFF 0000000000001000 000000000000000F | ||
| BS_Data 000000005DE00000-000000005DFFFFFF 0000000000000200 000000000000000F | ||
| Available 000000005E000000-000000005EF1CFFF 0000000000000F1D 000000000000000F | ||
| BS_Data 000000005EF1D000-00000000709FBFFF 0000000000011ADF 000000000000000F | ||
| Available 00000000709FC000-00000000710E3FFF 00000000000006E8 000000000000000F | ||
| LoaderCode 00000000710E4000-00000000711FEFFF 000000000000011B 000000000000000F | ||
| Available 00000000711FF000-0000000071901FFF 0000000000000703 000000000000000F | ||
| BS_Code 0000000071902000-00000000721FEFFF 00000000000008FD 000000000000000F | ||
| Example to allocat 5 pages type BootCode at address 20000000 (hex) | ||
| FS1:\> AllocPages.efi 2 3 5 20000000 | ||
| AllocatePage: __AllocType__ __MemType__ __NumPages__ [__Addr__] | ||
| __AllocType__ {0,1,2} -- Any, MaxAddr, Addr | ||
| __MemType__ {0..13}, Reserved ==0, LCode==1, LData==2, BSCode==3, BSData==4, ... | ||
| __NumPages__ {0..F000000} | ||
| [__Addr__] 0... 3FFFFFFFFFFF | ||
| All numbers in hex no leading 0x | ||
| AllocatPage(2,3,5,20000000) | ||
| Example to allocat 5 pages type BootCode at address 30000000 (hex) | ||
| FS1:\> AllocPages.efi 2 3 5 30000000 | ||
| AllocatePage: __AllocType__ __MemType__ __NumPages__ [__Addr__] | ||
| __AllocType__ {0,1,2} -- Any, MaxAddr, Addr | ||
| __MemType__ {0..13}, Reserved ==0, LCode==1, LData==2, BSCode==3, BSData==4, ... | ||
| __NumPages__ {0..F000000} | ||
| [__Addr__] 0... 3FFFFFFFFFFF | ||
| All numbers in hex no leading 0x | ||
| FS1:\> memmap | ||
| Type Start End #pages Attributes | ||
| BS_Code 0000000000000000-0000000000000FFF 0000000000000001 000000000000000F | ||
| Available 0000000000001000-000000000008DFFF 000000000000008D 000000000000000F | ||
| Reserved 000000000008E000-000000000008FFFF 0000000000000002 000000000000000F | ||
| Available 0000000000090000-000000000009FFFF 0000000000000010 000000000000000F | ||
| Available 0000000000100000-000000000FFFFFFF 000000000000FF00 000000000000000F | ||
| BS_Code 0000000010000000-0000000010061FFF 0000000000000062 000000000000000F | ||
| Available 0000000010062000-000000001FFFFFFF 000000000000FF9E 000000000000000F | ||
| BS_Code 0000000020000000-0000000020004FFF 0000000000000005 000000000000000F | ||
| Available 0000000020005000-000000002FFFFFFF 000000000000FFFB 000000000000000F | ||
| BS_Code 0000000030000000-0000000030004FFF 0000000000000005 000000000000000F | ||
| Available 0000000030005000-000000005CDFFFFF 000000000002CDFB 000000000000000F | ||
| ACPI_NVS 000000005CE00000-000000005DDFFFFF 0000000000001000 000000000000000F | ||
| BS_Data 000000005DE00000-000000005DFFFFFF 0000000000000200 000000000000000F | ||
| Available 000000005E000000-000000005EF1CFFF 0000000000000F1D 000000000000000F | ||
| BS_Data 000000005EF1D000-00000000709FBFFF 0000000000011ADF 000000000000000F | ||
| Available 00000000709FC000-00000000710E3FFF 00000000000006E8 000000000000000F | ||
| LoaderCode 00000000710E4000-00000000711FEFFF 000000000000011B 000000000000000F | ||
| Available 00000000711FF000-0000000071901FFF 0000000000000703 000000000000000F | ||
| BS_Code 0000000071902000-00000000721FEFFF 00000000000008FD 000000000000000F | ||
| */ | ||
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| #include <efi.h> | ||
| #include <efilib.h> | ||
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| #define MAX_NUM_PAGES 0x000000000F000000 | ||
| #define MAX_ADDR ((1ULL << 46) - 1) | ||
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| #ifdef DEBUG | ||
| #undef DEBUG | ||
| #endif | ||
| #define DEBUG 0 | ||
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| EFI_STATUS | ||
| efi_main (EFI_HANDLE image, EFI_SYSTEM_TABLE *systab) | ||
| { | ||
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| EFI_STATUS efi_status; | ||
| CHAR16 **argv; | ||
| INTN argc; | ||
| INTN err = 0; | ||
| #if DEBUG | ||
| INTN c = 0; | ||
| #endif | ||
| INTN AllocType = -1; | ||
| INTN MemType = -1; | ||
| INTN NumPages = -1; | ||
| EFI_PHYSICAL_ADDRESS Addr = 0; | ||
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| InitializeLib(image, systab); | ||
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| Print(L"AllocatePage: __AllocType__ __MemType__ __NumPages__ [__Addr__]\n"); | ||
| Print(L"__AllocType__ {0,1,2} -- Any, MaxAddr, Addr\n"); | ||
| Print(L"__MemType__ {0..13}, Reserved ==0, LCode==1, LData==2, BSCode==3, BSData==4, ...\n"); | ||
| Print(L"__NumPages__ {0..%x}\n", MAX_NUM_PAGES); | ||
| Print(L"[__Addr__] 0... %llx\n", MAX_ADDR); | ||
| Print(L"All numbers in hex no leading 0x\n"); | ||
| Print(L"\n"); | ||
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| #if DEBUG | ||
| Print(L"Now get argc/argv\n"); | ||
| #endif | ||
| argc = GetShellArgcArgv(image, &argv); | ||
| #if DEBUG | ||
| Print(L"argc = %d\n", argc); | ||
| #endif | ||
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| #if DEBUG | ||
| for (c = 0; c < argc; c++ ) { | ||
| Print(L"argv[%d] = <%s>\n", c, argv[c]); | ||
| } | ||
| #endif | ||
| if ( (argc < 4) || (argc > 5) ) { | ||
| Print(L"Wrong argument count\n"); | ||
| return EFI_SUCCESS; | ||
| } | ||
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| AllocType = xtoi(argv[1]); | ||
| MemType = xtoi(argv[2]); | ||
| NumPages = xtoi(argv[3]); | ||
| if ( argc == 5 ) Addr = xtoi(argv[4]); | ||
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| if ( (AllocType < 0) || (AllocType > 2)) { | ||
| Print(L"Invalid AllocType\n"); | ||
| err++; | ||
| } | ||
| if ( (MemType < 0) || (MemType > 13) ) { | ||
| Print(L"Invalid MemType\n"); | ||
| err++; | ||
| } | ||
| if ( (NumPages < 0) || (NumPages > MAX_NUM_PAGES) ) { | ||
| Print(L"Inavlid NumPages\n"); | ||
| err++; | ||
| } | ||
| if ( Addr > MAX_ADDR ) { | ||
| Print(L"Inavlid Address\n"); | ||
| err++; | ||
| } | ||
| if ( err ) { | ||
| return EFI_INVALID_PARAMETER; | ||
| } | ||
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| Print(L"AllocatPage(%d,%d,%d,%lx)\n", AllocType, MemType, NumPages, Addr); | ||
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| efi_status = uefi_call_wrapper(BS->AllocatePages, 4, AllocType, MemType, NumPages, &Addr); | ||
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| if ( EFI_ERROR(efi_status) ) { | ||
| Print(L"Allocate Pages Failed: %d\n", efi_status); | ||
| return efi_status; | ||
| } | ||
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| return EFI_SUCCESS; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
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| /* | ||
| * Copyright (C) 2013 Jerry Hoemann <jerry.hoemann@hp.com> | ||
| * | ||
| * Application to allocate memory at EFI. Syntax of command | ||
| * mimics the EFI Boot Service "FreePages." | ||
| * | ||
| * See UEFI spec 2.3, Section 6.2. | ||
| * | ||
| Example freeing a 5 page BS_Code setment at address: 0000000020000000 (hex) | ||
| FS1:\> memmap | ||
| Type Start End #pages Attributes | ||
| BS_Code 0000000000000000-0000000000000FFF 0000000000000001 000000000000000F | ||
| Available 0000000000001000-000000000008DFFF 000000000000008D 000000000000000F | ||
| Reserved 000000000008E000-000000000008FFFF 0000000000000002 000000000000000F | ||
| Available 0000000000090000-000000000009FFFF 0000000000000010 000000000000000F | ||
| Available 0000000000100000-000000000FFFFFFF 000000000000FF00 000000000000000F | ||
| BS_Code 0000000010000000-0000000010061FFF 0000000000000062 000000000000000F | ||
| Available 0000000010062000-000000001FFFFFFF 000000000000FF9E 000000000000000F | ||
| BS_Code 0000000020000000-0000000020004FFF 0000000000000005 000000000000000F | ||
| Available 0000000020005000-000000005DDFFFFF 000000000003DDFB 000000000000000F | ||
| BS_Data 000000005DE00000-000000005DFFFFFF 0000000000000200 000000000000000F | ||
| Available 000000005E000000-000000006DE7CFFF 000000000000FE7D 000000000000000F | ||
| ACPI_NVS 000000006DE7D000-000000006EE7CFFF 0000000000001000 000000000000000F | ||
| BS_Data 000000006EE7D000-00000000709FBFFF 0000000000001B7F 000000000000000F | ||
| Available 00000000709FC000-00000000710E3FFF 00000000000006E8 000000000000000F | ||
| FS1:\> FreePages 0000000020000000 5 | ||
| FreePages: __PhysAddr__ __PgCnt__ | ||
| __PhysAddr__ 0... 3FFFFFFFFFFF | ||
| __PgCnt__ [0..F000000] | ||
| All numbers hex w/ no leading 0x | ||
| FreePages(20000000,5) | ||
| FS1:\> memmap | ||
| Type Start End #pages Attributes | ||
| BS_Code 0000000000000000-0000000000000FFF 0000000000000001 000000000000000F | ||
| Available 0000000000001000-000000000008DFFF 000000000000008D 000000000000000F | ||
| Reserved 000000000008E000-000000000008FFFF 0000000000000002 000000000000000F | ||
| Available 0000000000090000-000000000009FFFF 0000000000000010 000000000000000F | ||
| Available 0000000000100000-000000000FFFFFFF 000000000000FF00 000000000000000F | ||
| BS_Code 0000000010000000-0000000010061FFF 0000000000000062 000000000000000F | ||
| Available 0000000010062000-000000005DDFFFFF 000000000004DD9E 000000000000000F | ||
| BS_Data 000000005DE00000-000000005DFFFFFF 0000000000000200 000000000000000F | ||
| Available 000000005E000000-000000006DE7CFFF 000000000000FE7D 000000000000000F | ||
| ACPI_NVS 000000006DE7D000-000000006EE7CFFF 0000000000001000 000000000000000F | ||
| BS_Data 000000006EE7D000-00000000709FBFFF 0000000000001B7F 000000000000000F | ||
| Available 00000000709FC000-00000000710E3FFF 00000000000006E8 000000000000000F | ||
| */ | ||
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| #include <efi.h> | ||
| #include <efilib.h> | ||
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| /* | ||
| * FreePages: __PhysAddr__ __PgCnt__ | ||
| * | ||
| */ | ||
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| #define MAX_NUM_PAGES 0x000000000F000000 | ||
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| #define MAX_ADDR ((1ULL << 46) - 1) | ||
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| #ifdef DEBUG | ||
| #undef DEBUG | ||
| #endif | ||
| #define DEBUG 0 | ||
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| EFI_STATUS | ||
| efi_main (EFI_HANDLE image, EFI_SYSTEM_TABLE *systab) | ||
| { | ||
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| EFI_STATUS efi_status; | ||
| CHAR16 **argv; | ||
| INTN argc = 0; | ||
| #if DEBUG | ||
| INTN c = 0; | ||
| #endif | ||
| INTN err = 0; | ||
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| INTN PgCnt = -1; | ||
| EFI_PHYSICAL_ADDRESS PhysAddr = 0; | ||
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| InitializeLib(image, systab); | ||
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| Print(L"FreePages: __PhysAddr__ __PgCnt__\n"); | ||
| Print(L"__PhysAddr__ 0... %llx\n", MAX_ADDR); | ||
| Print(L"__PgCnt__ [0..%lx]\n", MAX_NUM_PAGES); | ||
| Print(L"All numbers hex w/ no leading 0x\n"); | ||
| Print(L"\n"); | ||
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| #if DEBUG | ||
| Print(L"Now parse argc/argv\n"); | ||
| #endif | ||
| argc = GetShellArgcArgv(image, &argv); | ||
| #if DEBUG | ||
| Print(L"argc = %d\n", argc); | ||
| #endif | ||
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| #if DEBUG | ||
| for (c = 0; c < argc; c++ ) { | ||
| Print(L"argv[%d] = <%s>\n", c, argv[c]); | ||
| } | ||
| #endif | ||
| if (argc != 3) { | ||
| Print(L"Invalid argument count\n"); | ||
| return EFI_SUCCESS; | ||
| } | ||
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| PhysAddr = xtoi(argv[1]); | ||
| PgCnt = xtoi(argv[2]); | ||
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| if ( (PgCnt < 0) || (PgCnt > MAX_NUM_PAGES) ) { | ||
| Print(L"Inavlid PgCnt\n"); | ||
| err++; | ||
| } | ||
| if ( PhysAddr > MAX_ADDR ) { | ||
| Print(L"Inavlid Address\n"); | ||
| err++; | ||
| } | ||
| if ( err ) { | ||
| return EFI_SUCCESS; | ||
| } | ||
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| Print(L"FreePages(%lx,%d)\n", PhysAddr, PgCnt); | ||
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| efi_status = uefi_call_wrapper(BS->FreePages, 2, PhysAddr, PgCnt); | ||
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| if ( EFI_ERROR(efi_status) ) { | ||
| Print(L"Free Pages Failed: %d\n", efi_status); | ||
| return efi_status; | ||
| } | ||
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| return EFI_SUCCESS; | ||
| } |
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