\r
#include "LegacyBiosInterface.h"\r
\r
-THUNK_CONTEXT mThunkContext;\r
+THUNK_CONTEXT mThunkContext;\r
\r
/**\r
Sets the counter value for Timer #0 in a legacy 8254 timer.\r
)\r
{\r
IoWrite8 (TIMER_CONTROL_PORT, TIMER0_CONTROL_WORD);\r
- IoWrite8 (TIMER0_COUNT_PORT, (UINT8) (Count & 0xFF));\r
- IoWrite8 (TIMER0_COUNT_PORT, (UINT8) ((Count>>8) & 0xFF));\r
+ IoWrite8 (TIMER0_COUNT_PORT, (UINT8)(Count & 0xFF));\r
+ IoWrite8 (TIMER0_COUNT_PORT, (UINT8)((Count>>8) & 0xFF));\r
}\r
\r
/**\r
BOOLEAN\r
EFIAPI\r
LegacyBiosInt86 (\r
- IN EFI_LEGACY_BIOS_PROTOCOL *This,\r
- IN UINT8 BiosInt,\r
- IN EFI_IA32_REGISTER_SET *Regs\r
+ IN EFI_LEGACY_BIOS_PROTOCOL *This,\r
+ IN UINT8 BiosInt,\r
+ IN EFI_IA32_REGISTER_SET *Regs\r
)\r
{\r
- UINT16 Segment;\r
- UINT16 Offset;\r
+ UINT16 Segment;\r
+ UINT16 Offset;\r
\r
Regs->X.Flags.Reserved1 = 1;\r
Regs->X.Flags.Reserved2 = 0;\r
// We use this base address to get the legacy interrupt handler.\r
//\r
ACCESS_PAGE0_CODE (\r
- Segment = (UINT16)(((UINT32 *)0)[BiosInt] >> 16);\r
- Offset = (UINT16)((UINT32 *)0)[BiosInt];\r
- );\r
+ Segment = (UINT16)(((UINT32 *)0)[BiosInt] >> 16);\r
+ Offset = (UINT16)((UINT32 *)0)[BiosInt];\r
+ );\r
\r
return InternalLegacyBiosFarCall (\r
This,\r
BOOLEAN\r
EFIAPI\r
LegacyBiosFarCall86 (\r
- IN EFI_LEGACY_BIOS_PROTOCOL *This,\r
- IN UINT16 Segment,\r
- IN UINT16 Offset,\r
- IN EFI_IA32_REGISTER_SET *Regs,\r
- IN VOID *Stack,\r
- IN UINTN StackSize\r
+ IN EFI_LEGACY_BIOS_PROTOCOL *This,\r
+ IN UINT16 Segment,\r
+ IN UINT16 Offset,\r
+ IN EFI_IA32_REGISTER_SET *Regs,\r
+ IN VOID *Stack,\r
+ IN UINTN StackSize\r
)\r
{\r
Regs->X.Flags.Reserved1 = 1;\r
VOID\r
EFIAPI\r
LegacyBiosNullInterruptHandler (\r
- IN EFI_EXCEPTION_TYPE InterruptType,\r
- IN EFI_SYSTEM_CONTEXT SystemContext\r
+ IN EFI_EXCEPTION_TYPE InterruptType,\r
+ IN EFI_SYSTEM_CONTEXT SystemContext\r
)\r
{\r
}\r
BOOLEAN\r
EFIAPI\r
InternalLegacyBiosFarCall (\r
- IN EFI_LEGACY_BIOS_PROTOCOL *This,\r
- IN UINT16 Segment,\r
- IN UINT16 Offset,\r
- IN EFI_IA32_REGISTER_SET *Regs,\r
- IN VOID *Stack,\r
- IN UINTN StackSize\r
+ IN EFI_LEGACY_BIOS_PROTOCOL *This,\r
+ IN UINT16 Segment,\r
+ IN UINT16 Offset,\r
+ IN EFI_IA32_REGISTER_SET *Regs,\r
+ IN VOID *Stack,\r
+ IN UINTN StackSize\r
)\r
{\r
UINTN Status;\r
Private = LEGACY_BIOS_INSTANCE_FROM_THIS (This);\r
\r
ZeroMem (&ThunkRegSet, sizeof (ThunkRegSet));\r
- ThunkRegSet.X.DI = Regs->X.DI;\r
- ThunkRegSet.X.SI = Regs->X.SI;\r
- ThunkRegSet.X.BP = Regs->X.BP;\r
- ThunkRegSet.X.BX = Regs->X.BX;\r
- ThunkRegSet.X.DX = Regs->X.DX;\r
+ ThunkRegSet.X.DI = Regs->X.DI;\r
+ ThunkRegSet.X.SI = Regs->X.SI;\r
+ ThunkRegSet.X.BP = Regs->X.BP;\r
+ ThunkRegSet.X.BX = Regs->X.BX;\r
+ ThunkRegSet.X.DX = Regs->X.DX;\r
//\r
// Sometimes, ECX is used to pass in 32 bit data. For example, INT 1Ah, AX = B10Dh is\r
// "PCI BIOS v2.0c + Write Configuration DWORD" and ECX has the dword to write.\r
//\r
- ThunkRegSet.E.ECX = Regs->E.ECX;\r
- ThunkRegSet.X.AX = Regs->X.AX;\r
- ThunkRegSet.E.DS = Regs->X.DS;\r
- ThunkRegSet.E.ES = Regs->X.ES;\r
+ ThunkRegSet.E.ECX = Regs->E.ECX;\r
+ ThunkRegSet.X.AX = Regs->X.AX;\r
+ ThunkRegSet.E.DS = Regs->X.DS;\r
+ ThunkRegSet.E.ES = Regs->X.ES;\r
\r
CopyMem (&(ThunkRegSet.E.EFLAGS.UintN), &(Regs->X.Flags), sizeof (Regs->X.Flags));\r
\r
// Clear the error flag; thunk code may set it. Stack16 should be the high address\r
// Make Statk16 address the low 16 bit must be not zero.\r
//\r
- Stack16 = (UINT16 *)((UINT8 *) mThunkContext.RealModeBuffer + mThunkContext.RealModeBufferSize - sizeof (UINT16));\r
+ Stack16 = (UINT16 *)((UINT8 *)mThunkContext.RealModeBuffer + mThunkContext.RealModeBufferSize - sizeof (UINT16));\r
\r
//\r
// Save current rate of DXE Timer\r
// handled properly from real mode.\r
//\r
DEBUG_CODE_BEGIN ();\r
- UINTN Vector;\r
- UINTN Count;\r
-\r
- for (Vector = 0x20, Count = 0; Vector < 0x100; Vector++) {\r
- Status = Private->Cpu->RegisterInterruptHandler (Private->Cpu, Vector, LegacyBiosNullInterruptHandler);\r
- if (Status == EFI_ALREADY_STARTED) {\r
- Count++;\r
- }\r
- if (Status == EFI_SUCCESS) {\r
- Private->Cpu->RegisterInterruptHandler (Private->Cpu, Vector, NULL);\r
- }\r
+ UINTN Vector;\r
+ UINTN Count;\r
+\r
+ for (Vector = 0x20, Count = 0; Vector < 0x100; Vector++) {\r
+ Status = Private->Cpu->RegisterInterruptHandler (Private->Cpu, Vector, LegacyBiosNullInterruptHandler);\r
+ if (Status == EFI_ALREADY_STARTED) {\r
+ Count++;\r
}\r
- if (Count >= 2) {\r
- DEBUG ((DEBUG_ERROR, "ERROR: More than one HW interrupt active with CSM enabled\n"));\r
+\r
+ if (Status == EFI_SUCCESS) {\r
+ Private->Cpu->RegisterInterruptHandler (Private->Cpu, Vector, NULL);\r
}\r
- ASSERT (Count < 2);\r
+ }\r
+\r
+ if (Count >= 2) {\r
+ DEBUG ((DEBUG_ERROR, "ERROR: More than one HW interrupt active with CSM enabled\n"));\r
+ }\r
+\r
+ ASSERT (Count < 2);\r
DEBUG_CODE_END ();\r
\r
//\r
// period is less than the CSM required rate of 54.9254, then force the 8254\r
// PIT counter to 0, which is the CSM required rate of 54.9254 ms\r
//\r
- if (Private->TimerUses8254 && TimerPeriod < 549254) {\r
+ if (Private->TimerUses8254 && (TimerPeriod < 549254)) {\r
SetPitCount (0);\r
}\r
\r
- if (Stack != NULL && StackSize != 0) {\r
+ if ((Stack != NULL) && (StackSize != 0)) {\r
//\r
// Copy Stack to low memory stack\r
//\r
CopyMem (Stack16, Stack, StackSize);\r
}\r
\r
- ThunkRegSet.E.SS = (UINT16) (((UINTN) Stack16 >> 16) << 12);\r
- ThunkRegSet.E.ESP = (UINT16) (UINTN) Stack16;\r
- ThunkRegSet.E.CS = Segment;\r
- ThunkRegSet.E.Eip = Offset;\r
+ ThunkRegSet.E.SS = (UINT16)(((UINTN)Stack16 >> 16) << 12);\r
+ ThunkRegSet.E.ESP = (UINT16)(UINTN)Stack16;\r
+ ThunkRegSet.E.CS = Segment;\r
+ ThunkRegSet.E.Eip = Offset;\r
\r
- mThunkContext.RealModeState = &ThunkRegSet;\r
+ mThunkContext.RealModeState = &ThunkRegSet;\r
\r
//\r
// Set Legacy16 state. 0x08, 0x70 is legacy 8259 vector bases.\r
\r
AsmThunk16 (&mThunkContext);\r
\r
- if (Stack != NULL && StackSize != 0) {\r
+ if ((Stack != NULL) && (StackSize != 0)) {\r
//\r
// Copy low memory stack to Stack\r
//\r
// PcdEbdaReservedMemorySize should be adjusted to larger for more OPROMs.\r
//\r
DEBUG_CODE_BEGIN ();\r
- {\r
- UINTN EbdaBaseAddress;\r
- UINTN ReservedEbdaBaseAddress;\r
-\r
- ACCESS_PAGE0_CODE (\r
- EbdaBaseAddress = (*(UINT16 *) (UINTN) 0x40E) << 4;\r
- ReservedEbdaBaseAddress = CONVENTIONAL_MEMORY_TOP\r
- - PcdGet32 (PcdEbdaReservedMemorySize);\r
- ASSERT (ReservedEbdaBaseAddress <= EbdaBaseAddress);\r
+ {\r
+ UINTN EbdaBaseAddress;\r
+ UINTN ReservedEbdaBaseAddress;\r
+\r
+ ACCESS_PAGE0_CODE (\r
+ EbdaBaseAddress = (*(UINT16 *)(UINTN)0x40E) << 4;\r
+ ReservedEbdaBaseAddress = CONVENTIONAL_MEMORY_TOP\r
+ - PcdGet32 (PcdEbdaReservedMemorySize);\r
+ ASSERT (ReservedEbdaBaseAddress <= EbdaBaseAddress);\r
);\r
- }\r
+ }\r
DEBUG_CODE_END ();\r
\r
//\r
//\r
SaveAndSetDebugTimerInterrupt (InterruptState);\r
\r
- Regs->E.EDI = ThunkRegSet.E.EDI;\r
- Regs->E.ESI = ThunkRegSet.E.ESI;\r
- Regs->E.EBP = ThunkRegSet.E.EBP;\r
- Regs->E.EBX = ThunkRegSet.E.EBX;\r
- Regs->E.EDX = ThunkRegSet.E.EDX;\r
- Regs->E.ECX = ThunkRegSet.E.ECX;\r
- Regs->E.EAX = ThunkRegSet.E.EAX;\r
- Regs->X.SS = ThunkRegSet.E.SS;\r
- Regs->X.CS = ThunkRegSet.E.CS;\r
- Regs->X.DS = ThunkRegSet.E.DS;\r
- Regs->X.ES = ThunkRegSet.E.ES;\r
+ Regs->E.EDI = ThunkRegSet.E.EDI;\r
+ Regs->E.ESI = ThunkRegSet.E.ESI;\r
+ Regs->E.EBP = ThunkRegSet.E.EBP;\r
+ Regs->E.EBX = ThunkRegSet.E.EBX;\r
+ Regs->E.EDX = ThunkRegSet.E.EDX;\r
+ Regs->E.ECX = ThunkRegSet.E.ECX;\r
+ Regs->E.EAX = ThunkRegSet.E.EAX;\r
+ Regs->X.SS = ThunkRegSet.E.SS;\r
+ Regs->X.CS = ThunkRegSet.E.CS;\r
+ Regs->X.DS = ThunkRegSet.E.DS;\r
+ Regs->X.ES = ThunkRegSet.E.ES;\r
\r
CopyMem (&(Regs->X.Flags), &(ThunkRegSet.E.EFLAGS.UintN), sizeof (Regs->X.Flags));\r
\r
- return (BOOLEAN) (Regs->X.Flags.CF == 1);\r
+ return (BOOLEAN)(Regs->X.Flags.CF == 1);\r
}\r
\r
/**\r
**/\r
EFI_STATUS\r
LegacyBiosInitializeThunk (\r
- IN LEGACY_BIOS_INSTANCE *Private\r
+ IN LEGACY_BIOS_INSTANCE *Private\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS MemoryAddress;\r
- UINT8 TimerVector;\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS MemoryAddress;\r
+ UINT8 TimerVector;\r
\r
- MemoryAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Private->IntThunk;\r
+ MemoryAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Private->IntThunk;\r
\r
- mThunkContext.RealModeBuffer = (VOID *) (UINTN) (MemoryAddress + ((sizeof (LOW_MEMORY_THUNK) / EFI_PAGE_SIZE) + 1) * EFI_PAGE_SIZE);\r
+ mThunkContext.RealModeBuffer = (VOID *)(UINTN)(MemoryAddress + ((sizeof (LOW_MEMORY_THUNK) / EFI_PAGE_SIZE) + 1) * EFI_PAGE_SIZE);\r
mThunkContext.RealModeBufferSize = EFI_PAGE_SIZE;\r
mThunkContext.ThunkAttributes = THUNK_ATTRIBUTE_BIG_REAL_MODE | THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15;\r
\r
// Get the interrupt vector number corresponding to IRQ0 from the 8259 driver\r
//\r
TimerVector = 0;\r
- Status = Private->Legacy8259->GetVector (Private->Legacy8259, Efi8259Irq0, &TimerVector);\r
+ Status = Private->Legacy8259->GetVector (Private->Legacy8259, Efi8259Irq0, &TimerVector);\r
ASSERT_EFI_ERROR (Status);\r
\r
//\r
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