RTCString::printfOutputCallback(void *pvArg, const char *pachChars, size_t cbChars)
{
RTCString *pThis = (RTCString *)pvArg;
if (cbChars)
{
size_t cchBoth = pThis->m_cch + cbChars;
if (cchBoth >= pThis->m_cbAllocated)
{
/* Double the buffer size, if it's less that _4M. Align sizes like
for append. */
size_t cbAlloc = RT_ALIGN_Z(pThis->m_cbAllocated, IPRT_MINISTRING_APPEND_ALIGNMENT);
cbAlloc += RT_MIN(cbAlloc, _4M);
if (cbAlloc <= cchBoth)
cbAlloc = RT_ALIGN_Z(cchBoth + 1, IPRT_MINISTRING_APPEND_ALIGNMENT);
pThis->reserve(cbAlloc);
#ifndef RT_EXCEPTIONS_ENABLED
AssertReleaseReturn(pThis->capacity() > cchBoth, 0);
#endif
}
memcpy(&pThis->m_psz[pThis->m_cch], pachChars, cbChars);
pThis->m_cch = cchBoth;
pThis->m_psz[cchBoth] = '\0';
}
return cbChars;
}
/**
* Deletes the critical section.
*
* @returns VBox status code.
* @param pCritSect The PDM critical section to destroy.
*/
VMMR3DECL(int) PDMR3CritSectDelete(PPDMCRITSECT pCritSect)
{
if (!RTCritSectIsInitialized(&pCritSect->s.Core))
return VINF_SUCCESS;
/*
* Find and unlink it.
*/
PVM pVM = pCritSect->s.pVMR3;
PUVM pUVM = pVM->pUVM;
AssertReleaseReturn(pVM, VERR_PDM_CRITSECT_IPE);
PPDMCRITSECTINT pPrev = NULL;
RTCritSectEnter(&pUVM->pdm.s.ListCritSect);
PPDMCRITSECTINT pCur = pUVM->pdm.s.pCritSects;
while (pCur)
{
if (pCur == &pCritSect->s)
{
int rc = pdmR3CritSectDeleteOne(pVM, pUVM, pCur, pPrev, false /* not final */);
RTCritSectLeave(&pUVM->pdm.s.ListCritSect);
return rc;
}
/* next */
pPrev = pCur;
pCur = pCur->pNext;
}
RTCritSectLeave(&pUVM->pdm.s.ListCritSect);
AssertReleaseMsgFailed(("pCritSect=%p wasn't found!\n", pCritSect));
return VERR_PDM_CRITSECT_NOT_FOUND;
}
/**
* Initializes the page pool
*
* @return VBox status code.
* @param pVM The cross context VM structure.
* @thread The Emulation Thread.
*/
int mmR3PagePoolInit(PVM pVM)
{
AssertMsg(!pVM->mm.s.pPagePoolR3, ("Already initialized!\n"));
/*
* Allocate the pool structures.
*/
/** @todo @bugref{1865},@bugref{3202}: mapping the page pool page into ring-0.
* Need to change the ways we allocate it... */
AssertReleaseReturn(sizeof(*pVM->mm.s.pPagePoolR3) + sizeof(*pVM->mm.s.pPagePoolLowR3) < PAGE_SIZE, VERR_INTERNAL_ERROR);
int rc = SUPR3PageAllocEx(1, 0 /*fFlags*/, (void **)&pVM->mm.s.pPagePoolR3, NULL /*pR0Ptr*/, NULL /*paPages*/);
if (RT_FAILURE(rc))
return rc;
memset(pVM->mm.s.pPagePoolR3, 0, PAGE_SIZE);
pVM->mm.s.pPagePoolR3->pVM = pVM;
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cPages, STAMTYPE_U32, "/MM/Page/Def/cPages", STAMUNIT_PAGES, "Number of pages in the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cFreePages, STAMTYPE_U32, "/MM/Page/Def/cFreePages", STAMUNIT_PAGES, "Number of free pages in the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cSubPools, STAMTYPE_U32, "/MM/Page/Def/cSubPools", STAMUNIT_COUNT, "Number of sub pools in the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cAllocCalls, STAMTYPE_COUNTER, "/MM/Page/Def/cAllocCalls", STAMUNIT_CALLS, "Number of MMR3PageAlloc() calls for the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cFreeCalls, STAMTYPE_COUNTER, "/MM/Page/Def/cFreeCalls", STAMUNIT_CALLS, "Number of MMR3PageFree()+MMR3PageFreeByPhys() calls for the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cToPhysCalls, STAMTYPE_COUNTER, "/MM/Page/Def/cToPhysCalls", STAMUNIT_CALLS, "Number of MMR3Page2Phys() calls for this pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cToVirtCalls, STAMTYPE_COUNTER, "/MM/Page/Def/cToVirtCalls", STAMUNIT_CALLS, "Number of MMR3PagePhys2Page()+MMR3PageFreeByPhys() calls for the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cErrors, STAMTYPE_COUNTER, "/MM/Page/Def/cErrors", STAMUNIT_ERRORS,"Number of errors for the default pool.");
pVM->mm.s.pPagePoolLowR3 = pVM->mm.s.pPagePoolR3 + 1;
pVM->mm.s.pPagePoolLowR3->pVM = pVM;
pVM->mm.s.pPagePoolLowR3->fLow = true;
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cPages, STAMTYPE_U32, "/MM/Page/Low/cPages", STAMUNIT_PAGES, "Number of pages in the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cFreePages, STAMTYPE_U32, "/MM/Page/Low/cFreePages", STAMUNIT_PAGES, "Number of free pages in the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cSubPools, STAMTYPE_U32, "/MM/Page/Low/cSubPools", STAMUNIT_COUNT, "Number of sub pools in the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cAllocCalls, STAMTYPE_COUNTER, "/MM/Page/Low/cAllocCalls", STAMUNIT_CALLS, "Number of MMR3PageAllocLow() calls for the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cFreeCalls, STAMTYPE_COUNTER, "/MM/Page/Low/cFreeCalls", STAMUNIT_CALLS, "Number of MMR3PageFreeLow()+MMR3PageFreeByPhys() calls for the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cToPhysCalls,STAMTYPE_COUNTER, "/MM/Page/Low/cToPhysCalls", STAMUNIT_CALLS, "Number of MMR3Page2Phys() calls for the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cToVirtCalls,STAMTYPE_COUNTER, "/MM/Page/Low/cToVirtCalls", STAMUNIT_CALLS, "Number of MMR3PagePhys2Page()+MMR3PageFreeByPhys() calls for the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cErrors, STAMTYPE_COUNTER, "/MM/Page/Low/cErrors", STAMUNIT_ERRORS,"Number of errors for the <4GB pool.");
#ifndef VBOX_WITH_2X_4GB_ADDR_SPACE
pVM->mm.s.pPagePoolR0 = (uintptr_t)pVM->mm.s.pPagePoolR3;
pVM->mm.s.pPagePoolLowR0 = (uintptr_t)pVM->mm.s.pPagePoolLowR3;
#endif
/** @todo init a mutex? */
return VINF_SUCCESS;
}
