/**
* Converts a GC selector based address to a flat address.
*
* No limit checks are done. Use the SELMToFlat*() or SELMValidate*() functions
* for that.
*
* @returns Flat address.
* @param pVM Pointer to the VM.
* @param Sel Selector part.
* @param Addr Address part.
* @remarks Don't use when in long mode.
*/
VMMDECL(RTGCPTR) SELMToFlatBySel(PVM pVM, RTSEL Sel, RTGCPTR Addr)
{
Assert(pVM->cCpus == 1 && !CPUMIsGuestInLongMode(VMMGetCpu(pVM))); /* DON'T USE! */
/** @todo check the limit. */
X86DESC Desc;
if (!(Sel & X86_SEL_LDT))
Desc = pVM->selm.s.CTX_SUFF(paGdt)[Sel >> X86_SEL_SHIFT];
else
{
/**
* EMT worker for DBGFR3PagingDumpEx.
*
* @returns VBox status code.
* @param pVM The VM handle.
* @param idCpu The current CPU ID.
* @param fFlags The flags, DBGFPGDMP_FLAGS_XXX. Valid.
* @param pcr3 The CR3 to use (unless we're getting the current
* state, see @a fFlags).
* @param pu64FirstAddr The first address.
* @param pu64LastAddr The last address.
* @param cMaxDepth The depth.
* @param pHlp The output callbacks.
*/
static DECLCALLBACK(int) dbgfR3PagingDumpEx(PVM pVM, VMCPUID idCpu, uint32_t fFlags, uint64_t *pcr3,
uint64_t *pu64FirstAddr, uint64_t *pu64LastAddr,
uint32_t cMaxDepth, PCDBGFINFOHLP pHlp)
{
/*
* Implement dumping both context by means of recursion.
*/
if ((fFlags & (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW))
{
int rc1 = dbgfR3PagingDumpEx(pVM, idCpu, fFlags & ~DBGFPGDMP_FLAGS_GUEST,
pcr3, pu64FirstAddr, pu64LastAddr, cMaxDepth, pHlp);
int rc2 = dbgfR3PagingDumpEx(pVM, idCpu, fFlags & ~DBGFPGDMP_FLAGS_SHADOW,
pcr3, pu64FirstAddr, pu64LastAddr, cMaxDepth, pHlp);
return RT_FAILURE(rc1) ? rc1 : rc2;
}
/*
* Get the current CR3/mode if required.
*/
uint64_t cr3 = *pcr3;
if (fFlags & (DBGFPGDMP_FLAGS_CURRENT_CR3 | DBGFPGDMP_FLAGS_CURRENT_MODE))
{
PVMCPU pVCpu = &pVM->aCpus[idCpu];
if (fFlags & DBGFPGDMP_FLAGS_SHADOW)
{
if (fFlags & DBGFPGDMP_FLAGS_CURRENT_CR3)
cr3 = PGMGetHyperCR3(pVCpu);
if (fFlags & DBGFPGDMP_FLAGS_CURRENT_MODE)
{
fFlags |= dbgfR3PagingDumpModeToFlags(PGMGetShadowMode(pVCpu));
if (fFlags & DBGFPGDMP_FLAGS_NP)
{
fFlags |= dbgfR3PagingDumpModeToFlags(PGMGetHostMode(pVM));
if (HC_ARCH_BITS == 32 && CPUMIsGuestInLongMode(pVCpu))
fFlags |= DBGFPGDMP_FLAGS_LME;
}
}
}
else
{
if (fFlags & DBGFPGDMP_FLAGS_CURRENT_CR3)
cr3 = CPUMGetGuestCR3(pVCpu);
if (fFlags & DBGFPGDMP_FLAGS_CURRENT_MODE)
{
AssertCompile(DBGFPGDMP_FLAGS_PSE == X86_CR4_PSE); AssertCompile(DBGFPGDMP_FLAGS_PAE == X86_CR4_PAE);
fFlags |= CPUMGetGuestCR4(pVCpu) & (X86_CR4_PSE | X86_CR4_PAE);
AssertCompile(DBGFPGDMP_FLAGS_LME == MSR_K6_EFER_LME); AssertCompile(DBGFPGDMP_FLAGS_NXE == MSR_K6_EFER_NXE);
fFlags |= CPUMGetGuestEFER(pVCpu) & (MSR_K6_EFER_LME | MSR_K6_EFER_NXE);
}
}
}
fFlags &= ~(DBGFPGDMP_FLAGS_CURRENT_MODE | DBGFPGDMP_FLAGS_CURRENT_CR3);
/*
* Call PGM to do the real work.
*/
int rc;
if (fFlags & DBGFPGDMP_FLAGS_SHADOW)
rc = PGMR3DumpHierarchyShw(pVM, cr3, fFlags, *pu64FirstAddr, *pu64LastAddr, cMaxDepth, pHlp);
else
rc = PGMR3DumpHierarchyGst(pVM, cr3, fFlags, *pu64FirstAddr, *pu64LastAddr, cMaxDepth, pHlp);
return rc;
}
