PDMGCDevice.cpp revision 9540eeb13face31ddc1c5f15338556fe46f18a77
/* $Id$ */
/** @file
* PDM - Pluggable Device and Driver Manager, RC Device parts.
*/
/*
* Copyright (C) 2006-2010 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_PDM_DEVICE
#include "PDMInternal.h"
#include <VBox/pdm.h>
#include <VBox/pgm.h>
#include <VBox/mm.h>
#include <VBox/vm.h>
#include <VBox/vmm.h>
#include <VBox/patm.h>
#include <VBox/log.h>
#include <VBox/err.h>
#include <iprt/asm.h>
#include <iprt/assert.h>
#include <iprt/string.h>
/*******************************************************************************
* Global Variables *
*******************************************************************************/
RT_C_DECLS_BEGIN
extern DECLEXPORT(const PDMDEVHLPRC) g_pdmRCDevHlp;
extern DECLEXPORT(const PDMPICHLPRC) g_pdmRCPicHlp;
extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp;
extern DECLEXPORT(const PDMIOAPICHLPRC) g_pdmRCIoApicHlp;
extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp;
extern DECLEXPORT(const PDMHPETHLPRC) g_pdmRCHpetHlp;
extern DECLEXPORT(const PDMDRVHLPRC) g_pdmRCDrvHlp;
RT_C_DECLS_END
/*******************************************************************************
* Internal Functions *
*******************************************************************************/
static void pdmRCIsaSetIrq(PVM pVM, int iIrq, int iLevel);
static void pdmRCIoApicSetIrq(PVM pVM, int iIrq, int iLevel);
/** @name Raw-Mode Context Device Helpers
* @{
*/
/** @interface_method_impl{PDMDEVHLPRC,pfnPCISetIrq} */
static DECLCALLBACK(void) pdmRCDevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCDevHlp_PCISetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
PVM pVM = pDevIns->Internal.s.pVMRC;
PPCIDEVICE pPciDev = pDevIns->Internal.s.pPciDeviceRC;
PPDMPCIBUS pPciBus = pDevIns->Internal.s.pPciBusRC;
if ( pPciDev
&& pPciBus
&& pPciBus->pDevInsRC)
{
pdmLock(pVM);
pPciBus->pfnSetIrqRC(pPciBus->pDevInsRC, pPciDev, iIrq, iLevel);
pdmUnlock(pVM);
}
else
{
/* queue for ring-3 execution. */
PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
if (pTask)
{
pTask->enmOp = PDMDEVHLPTASKOP_PCI_SET_IRQ;
pTask->pDevInsR3 = PDMDEVINS_2_R3PTR(pDevIns);
pTask->u.SetIRQ.iIrq = iIrq;
pTask->u.SetIRQ.iLevel = iLevel;
PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
}
else
AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
}
LogFlow(("pdmRCDevHlp_PCISetIrq: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance));
}
/** @interface_method_impl{PDMDRVHLPRC,pfnPCISetIrq} */
static DECLCALLBACK(void) pdmRCDevHlp_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCDevHlp_ISASetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
pdmRCIsaSetIrq(pDevIns->Internal.s.pVMRC, iIrq, iLevel);
LogFlow(("pdmRCDevHlp_ISASetIrq: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance));
}
/** @interface_method_impl{PDMDEVHLPRC,pfnPhysRead} */
static DECLCALLBACK(int) pdmRCDevHlp_PhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCDevHlp_PhysRead: caller=%p/%d: GCPhys=%RGp pvBuf=%p cbRead=%#x\n",
pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbRead));
int rc = PGMPhysRead(pDevIns->Internal.s.pVMRC, GCPhys, pvBuf, cbRead);
AssertRC(rc); /** @todo track down the users for this bugger. */
Log(("pdmRCDevHlp_PhysRead: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, rc));
return rc;
}
/** @interface_method_impl{PDMDEVHLPRC,pfnPhysWrite} */
static DECLCALLBACK(int) pdmRCDevHlp_PhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCDevHlp_PhysWrite: caller=%p/%d: GCPhys=%RGp pvBuf=%p cbWrite=%#x\n",
pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbWrite));
int rc = PGMPhysWrite(pDevIns->Internal.s.pVMRC, GCPhys, pvBuf, cbWrite);
AssertRC(rc); /** @todo track down the users for this bugger. */
Log(("pdmRCDevHlp_PhysWrite: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, rc));
return rc;
}
/** @interface_method_impl{PDMDEVHLPRC,pfnA20IsEnabled} */
static DECLCALLBACK(bool) pdmRCDevHlp_A20IsEnabled(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCDevHlp_A20IsEnabled: caller=%p/%d:\n", pDevIns, pDevIns->iInstance));
bool fEnabled = PGMPhysIsA20Enabled(VMMGetCpu0(pDevIns->Internal.s.pVMRC));
Log(("pdmRCDevHlp_A20IsEnabled: caller=%p/%d: returns %RTbool\n", pDevIns, pDevIns->iInstance, fEnabled));
return fEnabled;
}
/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetError} */
static DECLCALLBACK(int) pdmRCDevHlp_VMSetError(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
va_list args;
va_start(args, pszFormat);
int rc2 = VMSetErrorV(pDevIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2);
va_end(args);
return rc;
}
/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetErrorV} */
static DECLCALLBACK(int) pdmRCDevHlp_VMSetErrorV(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
int rc2 = VMSetErrorV(pDevIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
return rc;
}
/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetRuntimeError} */
static DECLCALLBACK(int) pdmRCDevHlp_VMSetRuntimeError(PPDMDEVINS pDevIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
va_list va;
va_start(va, pszFormat);
int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
va_end(va);
return rc;
}
/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetErrorV} */
static DECLCALLBACK(int) pdmRCDevHlp_VMSetRuntimeErrorV(PPDMDEVINS pDevIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
return rc;
}
/** @interface_method_impl{PDMDEVHLPRC,pfnPATMSetMMIOPatchInfo} */
static DECLCALLBACK(int) pdmRCDevHlp_PATMSetMMIOPatchInfo(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, RTGCPTR pCachedData)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCDevHlp_PATMSetMMIOPatchInfo: caller=%p/%d:\n", pDevIns, pDevIns->iInstance));
return PATMSetMMIOPatchInfo(pDevIns->Internal.s.pVMRC, GCPhys, (RTRCPTR)(uintptr_t)pCachedData);
}
/** @interface_method_impl{PDMDEVHLPRC,pfnGetVM} */
static DECLCALLBACK(PVM) pdmRCDevHlp_GetVM(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCDevHlp_GetVM: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
return pDevIns->Internal.s.pVMRC;
}
/** @interface_method_impl{PDMDEVHLPRC,pfnGetVMCPU} */
static DECLCALLBACK(PVMCPU) pdmRCDevHlp_GetVMCPU(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCDevHlp_GetVMCPU: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
return VMMGetCpu(pDevIns->Internal.s.pVMRC);
}
/**
* The Raw-Mode Context Device Helper Callbacks.
*/
extern DECLEXPORT(const PDMDEVHLPRC) g_pdmRCDevHlp =
{
PDM_DEVHLPRC_VERSION,
pdmRCDevHlp_PCISetIrq,
pdmRCDevHlp_ISASetIrq,
pdmRCDevHlp_PhysRead,
pdmRCDevHlp_PhysWrite,
pdmRCDevHlp_A20IsEnabled,
pdmRCDevHlp_VMSetError,
pdmRCDevHlp_VMSetErrorV,
pdmRCDevHlp_VMSetRuntimeError,
pdmRCDevHlp_VMSetRuntimeErrorV,
pdmRCDevHlp_PATMSetMMIOPatchInfo,
pdmRCDevHlp_GetVM,
pdmRCDevHlp_GetVMCPU,
PDM_DEVHLPRC_VERSION
};
/** @} */
/** @name PIC RC Helpers
* @{
*/
/** @interface_method_impl{PDMPICHLPGC,pfnSetInterruptFF} */
static DECLCALLBACK(void) pdmRCPicHlp_SetInterruptFF(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
PVM pVM = pDevIns->Internal.s.pVMRC;
if (pVM->pdm.s.Apic.pfnLocalInterruptRC)
{
LogFlow(("pdmRCPicHlp_SetInterruptFF: caller='%p'/%d: Setting local interrupt on LAPIC\n",
pDevIns, pDevIns->iInstance));
/* Raise the LAPIC's LINT0 line instead of signaling the CPU directly. */
pVM->pdm.s.Apic.pfnLocalInterruptRC(pVM->pdm.s.Apic.pDevInsRC, 0, 1);
return;
}
PVMCPU pVCpu = &pVM->aCpus[0]; /* for PIC we always deliver to CPU 0, MP use APIC */
LogFlow(("pdmRCPicHlp_SetInterruptFF: caller=%p/%d: VMMCPU_FF_INTERRUPT_PIC %d -> 1\n",
pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pVCpu, VMCPU_FF_INTERRUPT_PIC)));
VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC);
}
/** @interface_method_impl{PDMPICHLPGC,pfnClearInterruptFF} */
static DECLCALLBACK(void) pdmRCPicHlp_ClearInterruptFF(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
PVM pVM = pDevIns->Internal.s.CTX_SUFF(pVM);
if (pVM->pdm.s.Apic.pfnLocalInterruptRC)
{
/* Raise the LAPIC's LINT0 line instead of signaling the CPU directly. */
LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller='%s'/%d: Clearing local interrupt on LAPIC\n",
pDevIns, pDevIns->iInstance));
/* Lower the LAPIC's LINT0 line instead of signaling the CPU directly. */
pVM->pdm.s.Apic.pfnLocalInterruptRC(pVM->pdm.s.Apic.pDevInsRC, 0, 0);
return;
}
PVMCPU pVCpu = &pVM->aCpus[0]; /* for PIC we always deliver to CPU 0, MP use APIC */
LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller=%p/%d: VMCPU_FF_INTERRUPT_PIC %d -> 0\n",
pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pVCpu, VMCPU_FF_INTERRUPT_PIC)));
VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_PIC);
}
/** @interface_method_impl{PDMPICHLPGC,pfnLock} */
static DECLCALLBACK(int) pdmRCPicHlp_Lock(PPDMDEVINS pDevIns, int rc)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
}
/** @interface_method_impl{PDMPICHLPGC,pfnUnlock} */
static DECLCALLBACK(void) pdmRCPicHlp_Unlock(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
pdmUnlock(pDevIns->Internal.s.pVMRC);
}
/**
* The Raw-Mode Context PIC Helper Callbacks.
*/
extern DECLEXPORT(const PDMPICHLPRC) g_pdmRCPicHlp =
{
PDM_PICHLPRC_VERSION,
pdmRCPicHlp_SetInterruptFF,
pdmRCPicHlp_ClearInterruptFF,
pdmRCPicHlp_Lock,
pdmRCPicHlp_Unlock,
PDM_PICHLPRC_VERSION
};
/** @} */
/** @name APIC RC Helpers
* @{
*/
/** @interface_method_impl{PDMAPICHLPRC,pfnSetInterruptFF} */
static DECLCALLBACK(void) pdmRCApicHlp_SetInterruptFF(PPDMDEVINS pDevIns, PDMAPICIRQ enmType, VMCPUID idCpu)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
PVM pVM = pDevIns->Internal.s.pVMRC;
PVMCPU pVCpu = &pVM->aCpus[idCpu];
AssertReturnVoid(idCpu < pVM->cCpus);
LogFlow(("pdmRCApicHlp_SetInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 1\n",
pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pVCpu, VMCPU_FF_INTERRUPT_APIC)));
switch (enmType)
{
case PDMAPICIRQ_HARDWARE:
VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC);
break;
case PDMAPICIRQ_NMI:
VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_NMI);
break;
case PDMAPICIRQ_SMI:
VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_SMI);
break;
case PDMAPICIRQ_EXTINT:
VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC);
break;
default:
AssertMsgFailed(("enmType=%d\n", enmType));
break;
}
}
/** @interface_method_impl{PDMAPICHLPRC,pfnClearInterruptFF} */
static DECLCALLBACK(void) pdmRCApicHlp_ClearInterruptFF(PPDMDEVINS pDevIns, PDMAPICIRQ enmType, VMCPUID idCpu)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
PVM pVM = pDevIns->Internal.s.pVMRC;
PVMCPU pVCpu = &pVM->aCpus[idCpu];
AssertReturnVoid(idCpu < pVM->cCpus);
LogFlow(("pdmRCApicHlp_ClearInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 0\n",
pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pVCpu, VMCPU_FF_INTERRUPT_APIC)));
/* Note: NMI/SMI can't be cleared. */
switch (enmType)
{
case PDMAPICIRQ_HARDWARE:
VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_APIC);
break;
case PDMAPICIRQ_EXTINT:
VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_PIC);
break;
default:
AssertMsgFailed(("enmType=%d\n", enmType));
break;
}
}
/** @interface_method_impl{PDMAPICHLPRC,pfnChangeFeature} */
static DECLCALLBACK(void) pdmRCApicHlp_ChangeFeature(PPDMDEVINS pDevIns, PDMAPICVERSION enmVersion)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCApicHlp_ChangeFeature: caller=%p/%d: version=%d\n", pDevIns, pDevIns->iInstance, (int)enmVersion));
switch (enmVersion)
{
case PDMAPICVERSION_NONE:
CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC);
CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC);
break;
case PDMAPICVERSION_APIC:
CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC);
CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC);
break;
case PDMAPICVERSION_X2APIC:
CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC);
CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC);
break;
default:
AssertMsgFailed(("Unknown APIC version: %d\n", (int)enmVersion));
}
}
/** @interface_method_impl{PDMAPICHLPRC,pfnLock} */
static DECLCALLBACK(int) pdmRCApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
}
/** @interface_method_impl{PDMAPICHLPRC,pfnUnlock} */
static DECLCALLBACK(void) pdmRCApicHlp_Unlock(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
pdmUnlock(pDevIns->Internal.s.pVMRC);
}
/** @interface_method_impl{PDMAPICHLPRC,pfnGetCpuId} */
static DECLCALLBACK(VMCPUID) pdmRCApicHlp_GetCpuId(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
return VMMGetCpuId(pDevIns->Internal.s.pVMRC);
}
/**
* The Raw-Mode Context APIC Helper Callbacks.
*/
extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp =
{
PDM_APICHLPRC_VERSION,
pdmRCApicHlp_SetInterruptFF,
pdmRCApicHlp_ClearInterruptFF,
pdmRCApicHlp_ChangeFeature,
pdmRCApicHlp_Lock,
pdmRCApicHlp_Unlock,
pdmRCApicHlp_GetCpuId,
PDM_APICHLPRC_VERSION
};
/** @} */
/** @name I/O APIC RC Helpers
* @{
*/
/** @interface_method_impl{PDMIOAPICHLPRC,pfnApicBusDeliver} */
static DECLCALLBACK(int) pdmRCIoApicHlp_ApicBusDeliver(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode,
uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
PVM pVM = pDevIns->Internal.s.pVMRC;
LogFlow(("pdmRCIoApicHlp_ApicBusDeliver: caller=%p/%d: u8Dest=%RX8 u8DestMode=%RX8 u8DeliveryMode=%RX8 iVector=%RX8 u8Polarity=%RX8 u8TriggerMode=%RX8\n",
pDevIns, pDevIns->iInstance, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode));
if (pVM->pdm.s.Apic.pfnBusDeliverRC)
return pVM->pdm.s.Apic.pfnBusDeliverRC(pVM->pdm.s.Apic.pDevInsRC, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode);
return VINF_SUCCESS;
}
/** @interface_method_impl{PDMIOAPICHLPRC,pfnLock} */
static DECLCALLBACK(int) pdmRCIoApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
}
/** @interface_method_impl{PDMIOAPICHLPRC,pfnUnlock} */
static DECLCALLBACK(void) pdmRCIoApicHlp_Unlock(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
pdmUnlock(pDevIns->Internal.s.pVMRC);
}
/**
* The Raw-Mode Context I/O APIC Helper Callbacks.
*/
extern DECLEXPORT(const PDMIOAPICHLPRC) g_pdmRCIoApicHlp =
{
PDM_IOAPICHLPRC_VERSION,
pdmRCIoApicHlp_ApicBusDeliver,
pdmRCIoApicHlp_Lock,
pdmRCIoApicHlp_Unlock,
PDM_IOAPICHLPRC_VERSION
};
/** @} */
/** @name PCI Bus RC Helpers
* @{
*/
/** @interface_method_impl{PDMPCIHLPRC,pfnIsaSetIrq} */
static DECLCALLBACK(void) pdmRCPciHlp_IsaSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
Log4(("pdmRCPciHlp_IsaSetIrq: iIrq=%d iLevel=%d\n", iIrq, iLevel));
pdmRCIsaSetIrq(pDevIns->Internal.s.pVMRC, iIrq, iLevel);
}
/** @interface_method_impl{PDMPCIHLPRC,pfnIoApicSetIrq} */
static DECLCALLBACK(void) pdmRCPciHlp_IoApicSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
Log4(("pdmRCPciHlp_IsaSetIrq: iIrq=%d iLevel=%d\n", iIrq, iLevel));
pdmRCIoApicSetIrq(pDevIns->Internal.s.pVMRC, iIrq, iLevel);
}
/** @interface_method_impl{PDMPCIHLPRC,pfnLock} */
static DECLCALLBACK(int) pdmRCPciHlp_Lock(PPDMDEVINS pDevIns, int rc)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
}
/** @interface_method_impl{PDMPCIHLPRC,pfnUnlock} */
static DECLCALLBACK(void) pdmRCPciHlp_Unlock(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
pdmUnlock(pDevIns->Internal.s.pVMRC);
}
/**
* The Raw-Mode Context PCI Bus Helper Callbacks.
*/
extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp =
{
PDM_PCIHLPRC_VERSION,
pdmRCPciHlp_IsaSetIrq,
pdmRCPciHlp_IoApicSetIrq,
pdmRCPciHlp_Lock,
pdmRCPciHlp_Unlock,
PDM_PCIHLPRC_VERSION, /* the end */
};
/** @} */
/** @name HPET RC Helpers
* @{
*/
/**
* The Raw-Mode Context HPET Helper Callbacks.
*/
extern DECLEXPORT(const PDMHPETHLPRC) g_pdmRCHpetHlp =
{
PDM_HPETHLPRC_VERSION,
PDM_HPETHLPRC_VERSION, /* the end */
};
/** @} */
/** @name Raw-Mode Context Driver Helpers
* @{
*/
/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetError} */
static DECLCALLBACK(int) pdmRCDrvHlp_VMSetError(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
{
PDMDRV_ASSERT_DRVINS(pDrvIns);
va_list args;
va_start(args, pszFormat);
int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2);
va_end(args);
return rc;
}
/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetErrorV} */
static DECLCALLBACK(int) pdmRCDrvHlp_VMSetErrorV(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)
{
PDMDRV_ASSERT_DRVINS(pDrvIns);
int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
return rc;
}
/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetRuntimeError} */
static DECLCALLBACK(int) pdmRCDrvHlp_VMSetRuntimeError(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...)
{
PDMDRV_ASSERT_DRVINS(pDrvIns);
va_list va;
va_start(va, pszFormat);
int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
va_end(va);
return rc;
}
/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetErrorV} */
static DECLCALLBACK(int) pdmRCDrvHlp_VMSetRuntimeErrorV(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va)
{
PDMDRV_ASSERT_DRVINS(pDrvIns);
int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
return rc;
}
/** @interface_method_impl{PDMDRVHLPRC,pfnAssertEMT} */
static DECLCALLBACK(bool) pdmRCDrvHlp_AssertEMT(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction)
{
PDMDRV_ASSERT_DRVINS(pDrvIns);
if (VM_IS_EMT(pDrvIns->Internal.s.pVMRC))
return true;
RTAssertMsg1Weak("AssertEMT", iLine, pszFile, pszFunction);
RTAssertPanic();
return false;
}
/** @interface_method_impl{PDMDRVHLPRC,pfnAssertOther} */
static DECLCALLBACK(bool) pdmRCDrvHlp_AssertOther(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction)
{
PDMDRV_ASSERT_DRVINS(pDrvIns);
if (!VM_IS_EMT(pDrvIns->Internal.s.pVMRC))
return true;
/* Note: While we don't have any other threads but EMT(0) in RC, might
still have drive code compiled in which it shouldn't execute. */
RTAssertMsg1Weak("AssertOther", iLine, pszFile, pszFunction);
RTAssertPanic();
return false;
}
/**
* The Raw-Mode Context Driver Helper Callbacks.
*/
extern DECLEXPORT(const PDMDRVHLPRC) g_pdmRCDrvHlp =
{
PDM_DRVHLPRC_VERSION,
pdmRCDrvHlp_VMSetError,
pdmRCDrvHlp_VMSetErrorV,
pdmRCDrvHlp_VMSetRuntimeError,
pdmRCDrvHlp_VMSetRuntimeErrorV,
pdmRCDrvHlp_AssertEMT,
pdmRCDrvHlp_AssertOther,
PDM_DRVHLPRC_VERSION
};
/** @} */
/**
* Sets an irq on the I/O APIC.
*
* @param pVM The VM handle.
* @param iIrq The irq.
* @param iLevel The new level.
*/
static void pdmRCIsaSetIrq(PVM pVM, int iIrq, int iLevel)
{
if ( ( pVM->pdm.s.IoApic.pDevInsRC
|| !pVM->pdm.s.IoApic.pDevInsR3)
&& ( pVM->pdm.s.Pic.pDevInsRC
|| !pVM->pdm.s.Pic.pDevInsR3))
{
pdmLock(pVM);
if (pVM->pdm.s.Pic.pDevInsRC)
pVM->pdm.s.Pic.pfnSetIrqRC(pVM->pdm.s.Pic.pDevInsRC, iIrq, iLevel);
if (pVM->pdm.s.IoApic.pDevInsRC)
pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel);
pdmUnlock(pVM);
}
else
{
/* queue for ring-3 execution. */
PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
if (pTask)
{
pTask->enmOp = PDMDEVHLPTASKOP_ISA_SET_IRQ;
pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */
pTask->u.SetIRQ.iIrq = iIrq;
pTask->u.SetIRQ.iLevel = iLevel;
PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
}
else
AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
}
}
/**
* Sets an irq on the I/O APIC.
*
* @param pVM The VM handle.
* @param iIrq The irq.
* @param iLevel The new level.
*/
static void pdmRCIoApicSetIrq(PVM pVM, int iIrq, int iLevel)
{
if (pVM->pdm.s.IoApic.pDevInsRC)
{
pdmLock(pVM);
pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel);
pdmUnlock(pVM);
}
else if (pVM->pdm.s.IoApic.pDevInsR3)
{
/* queue for ring-3 execution. */
PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
if (pTask)
{
pTask->enmOp = PDMDEVHLPTASKOP_IOAPIC_SET_IRQ;
pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */
pTask->u.SetIRQ.iIrq = iIrq;
pTask->u.SetIRQ.iLevel = iLevel;
PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
}
else
AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
}
}