diff options
Diffstat (limited to 'gnu-efi/gnu-efi-3.0/lib/runtime')
| -rw-r--r-- | gnu-efi/gnu-efi-3.0/lib/runtime/efirtlib.c | 145 | ||||
| -rw-r--r-- | gnu-efi/gnu-efi-3.0/lib/runtime/rtdata.c | 65 | ||||
| -rw-r--r-- | gnu-efi/gnu-efi-3.0/lib/runtime/rtlock.c | 102 | ||||
| -rw-r--r-- | gnu-efi/gnu-efi-3.0/lib/runtime/rtstr.c | 140 | ||||
| -rw-r--r-- | gnu-efi/gnu-efi-3.0/lib/runtime/vm.c | 105 |
5 files changed, 557 insertions, 0 deletions
diff --git a/gnu-efi/gnu-efi-3.0/lib/runtime/efirtlib.c b/gnu-efi/gnu-efi-3.0/lib/runtime/efirtlib.c new file mode 100644 index 0000000..f782e4c --- /dev/null +++ b/gnu-efi/gnu-efi-3.0/lib/runtime/efirtlib.c @@ -0,0 +1,145 @@ +/*++ + +Copyright (c) 1999 Intel Corporation + +Module Name: + + EfiRtLib.h + +Abstract: + + EFI Runtime library functions + + + +Revision History + +--*/ + +#include "efi.h" +#include "efilib.h" +#include "efirtlib.h" + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtZeroMem) +#endif +VOID +RUNTIMEFUNCTION +RtZeroMem ( + IN VOID *Buffer, + IN UINTN Size + ) +{ + INT8 *pt; + + pt = Buffer; + while (Size--) { + *(pt++) = 0; + } +} + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtSetMem) +#endif +VOID +RUNTIMEFUNCTION +RtSetMem ( + IN VOID *Buffer, + IN UINTN Size, + IN UINT8 Value + ) +{ + INT8 *pt; + + pt = Buffer; + while (Size--) { + *(pt++) = Value; + } +} + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtCopyMem) +#endif +VOID +RUNTIMEFUNCTION +RtCopyMem ( + IN VOID *Dest, + IN CONST VOID *Src, + IN UINTN len + ) +{ + CHAR8 *d; + CONST CHAR8 *s = Src; + d = Dest; + while (len--) { + *(d++) = *(s++); + } +} + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtCompareMem) +#endif +INTN +RUNTIMEFUNCTION +RtCompareMem ( + IN CONST VOID *Dest, + IN CONST VOID *Src, + IN UINTN len + ) +{ + CONST CHAR8 *d = Dest, *s = Src; + while (len--) { + if (*d != *s) { + return *d - *s; + } + + d += 1; + s += 1; + } + + return 0; +} + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtCompareGuid) +#endif +INTN +RUNTIMEFUNCTION +RtCompareGuid ( + IN EFI_GUID *Guid1, + IN EFI_GUID *Guid2 + ) +/*++ + +Routine Description: + + Compares to GUIDs + +Arguments: + + Guid1 - guid to compare + Guid2 - guid to compare + +Returns: + = 0 if Guid1 == Guid2 + +--*/ +{ + INT32 *g1, *g2, r; + + // + // Compare 32 bits at a time + // + + g1 = (INT32 *) Guid1; + g2 = (INT32 *) Guid2; + + r = g1[0] - g2[0]; + r |= g1[1] - g2[1]; + r |= g1[2] - g2[2]; + r |= g1[3] - g2[3]; + + return r; +} + + diff --git a/gnu-efi/gnu-efi-3.0/lib/runtime/rtdata.c b/gnu-efi/gnu-efi-3.0/lib/runtime/rtdata.c new file mode 100644 index 0000000..3efcbf3 --- /dev/null +++ b/gnu-efi/gnu-efi-3.0/lib/runtime/rtdata.c @@ -0,0 +1,65 @@ +/*++ + +Copyright (c) 1998 Intel Corporation + +Module Name: + + data.c + +Abstract: + + EFI library global data + + + +Revision History + +--*/ + +#include "lib.h" + + +// +// These globals are runtime globals +// +// N.B. The Microsoft C compiler will only put the data in the +// right data section if it is explicitly initialized.. +// + +#ifndef __GNUC__ +#pragma BEGIN_RUNTIME_DATA() +#endif + +// +// RT - pointer to the runtime table +// + +EFI_RUNTIME_SERVICES *RT; + +// +// LibStandalone - TRUE if lib is linked in as part of the firmware. +// N.B. The EFI fw sets this value directly +// + +BOOLEAN LibFwInstance; + +// +// EFIDebug - Debug mask +// + +UINTN EFIDebug = EFI_DBUG_MASK; + +// +// LibRuntimeDebugOut - Runtime Debug Output device +// + +SIMPLE_TEXT_OUTPUT_INTERFACE *LibRuntimeDebugOut; + +// +// LibRuntimeRaiseTPL, LibRuntimeRestoreTPL - pointers to Runtime functions from the +// Boot Services Table +// + +EFI_RAISE_TPL LibRuntimeRaiseTPL = NULL; +EFI_RESTORE_TPL LibRuntimeRestoreTPL = NULL; + diff --git a/gnu-efi/gnu-efi-3.0/lib/runtime/rtlock.c b/gnu-efi/gnu-efi-3.0/lib/runtime/rtlock.c new file mode 100644 index 0000000..2eafdca --- /dev/null +++ b/gnu-efi/gnu-efi-3.0/lib/runtime/rtlock.c @@ -0,0 +1,102 @@ +/*++ + +Copyright (c) 1998 Intel Corporation + +Module Name: + + lock.c + +Abstract: + + Implements FLOCK + + + +Revision History + +--*/ + + +#include "lib.h" + + + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtAcquireLock) +#endif +VOID +RtAcquireLock ( + IN FLOCK *Lock + ) +/*++ + +Routine Description: + + Raising to the task priority level of the mutual exclusion + lock, and then acquires ownership of the lock. + +Arguments: + + Lock - The lock to acquire + +Returns: + + Lock owned + +--*/ +{ + if (BS) { + if (BS->RaiseTPL != NULL) { + Lock->OwnerTpl = uefi_call_wrapper(BS->RaiseTPL, 1, Lock->Tpl); + } + } + else { + if (LibRuntimeRaiseTPL != NULL) { + Lock->OwnerTpl = LibRuntimeRaiseTPL(Lock->Tpl); + } + } + Lock->Lock += 1; + ASSERT (Lock->Lock == 1); +} + + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtAcquireLock) +#endif +VOID +RtReleaseLock ( + IN FLOCK *Lock + ) +/*++ + +Routine Description: + + Releases ownership of the mutual exclusion lock, and + restores the previous task priority level. + +Arguments: + + Lock - The lock to release + +Returns: + + Lock unowned + +--*/ +{ + EFI_TPL Tpl; + + Tpl = Lock->OwnerTpl; + ASSERT(Lock->Lock == 1); + Lock->Lock -= 1; + if (BS) { + if (BS->RestoreTPL != NULL) { + uefi_call_wrapper(BS->RestoreTPL, 1, Tpl); + } + } + else { + if (LibRuntimeRestoreTPL != NULL) { + LibRuntimeRestoreTPL(Tpl); + } + } +} diff --git a/gnu-efi/gnu-efi-3.0/lib/runtime/rtstr.c b/gnu-efi/gnu-efi-3.0/lib/runtime/rtstr.c new file mode 100644 index 0000000..e283c09 --- /dev/null +++ b/gnu-efi/gnu-efi-3.0/lib/runtime/rtstr.c @@ -0,0 +1,140 @@ +/*++ + +Copyright (c) 1998 Intel Corporation + +Module Name: + + str.c + +Abstract: + + String runtime functions + + +Revision History + +--*/ + +#include "lib.h" + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtAcquireLock) +#endif +INTN +RUNTIMEFUNCTION +RtStrCmp ( + IN CONST CHAR16 *s1, + IN CONST CHAR16 *s2 + ) +// compare strings +{ + while (*s1) { + if (*s1 != *s2) { + break; + } + + s1 += 1; + s2 += 1; + } + + return *s1 - *s2; +} + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtStrCpy) +#endif +VOID +RUNTIMEFUNCTION +RtStrCpy ( + IN CHAR16 *Dest, + IN CONST CHAR16 *Src + ) +// copy strings +{ + while (*Src) { + *(Dest++) = *(Src++); + } + *Dest = 0; +} + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtStrCat) +#endif +VOID +RUNTIMEFUNCTION +RtStrCat ( + IN CHAR16 *Dest, + IN CONST CHAR16 *Src + ) +{ + RtStrCpy(Dest+StrLen(Dest), Src); +} + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtStrLen) +#endif +UINTN +RUNTIMEFUNCTION +RtStrLen ( + IN CONST CHAR16 *s1 + ) +// string length +{ + UINTN len; + + for (len=0; *s1; s1+=1, len+=1) ; + return len; +} + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtStrSize) +#endif +UINTN +RUNTIMEFUNCTION +RtStrSize ( + IN CONST CHAR16 *s1 + ) +// string size +{ + UINTN len; + + for (len=0; *s1; s1+=1, len+=1) ; + return (len + 1) * sizeof(CHAR16); +} + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtBCDtoDecimal) +#endif +UINT8 +RUNTIMEFUNCTION +RtBCDtoDecimal( + IN UINT8 BcdValue + ) +{ + UINTN High, Low; + + High = BcdValue >> 4; + Low = BcdValue - (High << 4); + + return ((UINT8)(Low + (High * 10))); +} + + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtDecimaltoBCD) +#endif +UINT8 +RUNTIMEFUNCTION +RtDecimaltoBCD ( + IN UINT8 DecValue + ) +{ + UINTN High, Low; + + High = DecValue / 10; + Low = DecValue - (High * 10); + + return ((UINT8)(Low + (High << 4))); +} + + diff --git a/gnu-efi/gnu-efi-3.0/lib/runtime/vm.c b/gnu-efi/gnu-efi-3.0/lib/runtime/vm.c new file mode 100644 index 0000000..26e0c8e --- /dev/null +++ b/gnu-efi/gnu-efi-3.0/lib/runtime/vm.c @@ -0,0 +1,105 @@ +/*++ + +Copyright (c) 1998 Intel Corporation + +Module Name: + + vm.c + +Abstract: + + EFI Hell to remap runtime address into the new virual address space + that was registered by the OS for RT calls. + + So the code image needs to be relocated. All pointers need to be + manually fixed up since the address map changes. + + GOOD LUCK NOT HAVING BUGS IN YOUR CODE! PLEASE TEST A LOT. MAKE SURE + EXIT BOOTSERVICES OVER WRITES ALL BOOTSERVICE MEMORY & DATA SPACES WHEN + YOU TEST. + +Revision History + +--*/ + +#include "lib.h" + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtLibEnableVirtualMappings) +#endif +VOID +RUNTIMEFUNCTION +RtLibEnableVirtualMappings ( + VOID + ) +{ + EFI_CONVERT_POINTER ConvertPointer; + + // + // If this copy of the lib is linked into the firmware, then + // do not update the pointers yet. + // + + if (!LibFwInstance) { + + // + // Different components are updating to the new virtual + // mappings at differnt times. The only function that + // is safe to call at this notification is ConvertAddress + // + + ConvertPointer = RT->ConvertPointer; + + // + // Fix any pointers that the lib created, that may be needed + // during runtime. + // + + ConvertPointer (EFI_INTERNAL_PTR, (VOID **)&RT); + ConvertPointer (EFI_OPTIONAL_PTR, (VOID **)&LibRuntimeDebugOut); + + ConvertPointer (EFI_INTERNAL_PTR, (VOID **)&LibRuntimeRaiseTPL); + ConvertPointer (EFI_INTERNAL_PTR, (VOID **)&LibRuntimeRestoreTPL); + + // that was it :^) + } +} + + +#ifndef __GNUC__ +#pragma RUNTIME_CODE(RtConvertList) +#endif +VOID +RUNTIMEFUNCTION +RtConvertList ( + IN UINTN DebugDisposition, + IN OUT LIST_ENTRY *ListHead + ) +{ + LIST_ENTRY *Link; + LIST_ENTRY *NextLink; + EFI_CONVERT_POINTER ConvertPointer; + + ConvertPointer = RT->ConvertPointer; + + // + // Convert all the Flink & Blink pointers in the list + // + + Link = ListHead; + do { + NextLink = Link->Flink; + + ConvertPointer ( + Link->Flink == ListHead ? DebugDisposition : 0, + (VOID **)&Link->Flink + ); + + ConvertPointer ( + Link->Blink == ListHead ? DebugDisposition : 0, + (VOID **)&Link->Blink + ); + + Link = NextLink; + } while (Link != ListHead); +} |