Exemplos de mmPagePoolPhys2Ptr em C++ (Cpp)

Exemplo n.º 1

Arquivo: MMPagePool.cpp Projeto: jeppeter/vbox

/**
 * Free a page allocated from the page pool by physical address.
 * This works for pages allocated by MMR3PageAlloc(), MMR3PageAllocPhys()
 * and MMR3PageAllocLow().
 *
 * @param   pVM         The cross context VM structure.
 * @param   HCPhysPage  The physical address of the page to be freed.
 * @thread  The Emulation Thread.
 */
VMMR3DECL(void) MMR3PageFreeByPhys(PVM pVM, RTHCPHYS HCPhysPage)
{
    void *pvPage = mmPagePoolPhys2Ptr(pVM->mm.s.pPagePoolR3, HCPhysPage);
    if (!pvPage)
        pvPage = mmPagePoolPhys2Ptr(pVM->mm.s.pPagePoolLowR3, HCPhysPage);
    if (pvPage)
        mmR3PagePoolFree(pVM->mm.s.pPagePoolR3, pvPage);
    else
        AssertMsgFailed(("Invalid address HCPhysPT=%#x\n", HCPhysPage));
}

Exemplo n.º 2

Arquivo: MMAllPagePool.cpp Projeto: svn2github/virtualbox

/**
 * Try convert physical address of a page to a HC virtual address.
 * This works for pages allocated by MMR3PageAlloc(), MMR3PageAllocPhys()
 * and MMR3PageAllocLow().
 *
 * @returns VBox status code.
 * @param   pVM         The cross context VM structure.
 * @param   HCPhysPage  The physical address of a page.
 * @param   ppvPage     Where to store the address corresponding to HCPhysPage.
 * @thread  The Emulation Thread.
 */
VMMDECL(int) MMPagePhys2PageTry(PVM pVM, RTHCPHYS HCPhysPage, void **ppvPage)
{
    void *pvPage = mmPagePoolPhys2Ptr(pVM->mm.s.CTX_SUFF(pPagePool), HCPhysPage);
    if (!pvPage)
    {
        pvPage = mmPagePoolPhys2Ptr(pVM->mm.s.CTX_SUFF(pPagePoolLow), HCPhysPage);
        if (!pvPage)
            return VERR_INVALID_POINTER;
    }
    *ppvPage = pvPage;
    return VINF_SUCCESS;
}

Exemplo n.º 3

Arquivo: MMAllPagePool.cpp Projeto: svn2github/virtualbox

/**
 * Convert physical address of a page to a HC virtual address.
 * This works for pages allocated by MMR3PageAlloc(), MMR3PageAllocPhys()
 * and MMR3PageAllocLow().
 *
 * @returns Pointer to the page at that physical address.
 * @param   pVM         The cross context VM structure.
 * @param   HCPhysPage  The physical address of a page.
 * @thread  The Emulation Thread.
 */
VMMDECL(void *) MMPagePhys2Page(PVM pVM, RTHCPHYS HCPhysPage)
{
    void *pvPage = mmPagePoolPhys2Ptr(pVM->mm.s.CTX_SUFF(pPagePool), HCPhysPage);
    if (!pvPage)
    {
        pvPage = mmPagePoolPhys2Ptr(pVM->mm.s.CTX_SUFF(pPagePoolLow), HCPhysPage);
        if (!pvPage)
        {
            STAM_COUNTER_INC(&pVM->mm.s.CTX_SUFF(pPagePool)->cErrors);
            AssertMsg(pvPage, ("Invalid HCPhysPage=%RHp specified\n", HCPhysPage));
        }
    }
    return pvPage;
}

Exemplo n.º 4

Arquivo: MMAllPagePool.cpp Projeto: svn2github/virtualbox

/**
 * Convert physical address of a page to a HC virtual address.
 * This works for pages allocated by MMR3PageAlloc(), MMR3PageAllocPhys()
 * and MMR3PageAllocLow().
 *
 * @returns VBox status code.
 * @param   pVM         The cross context VM structure.
 * @param   HCPhysPage  The physical address of a page.
 * @param   ppvPage     Where to store the address corresponding to HCPhysPage.
 * @thread  The Emulation Thread.
 */
VMMDECL(int) MMPagePhys2PageEx(PVM pVM, RTHCPHYS HCPhysPage, void **ppvPage)
{
    void *pvPage = mmPagePoolPhys2Ptr(pVM->mm.s.CTX_SUFF(pPagePool), HCPhysPage);
    if (!pvPage)
    {
        pvPage = mmPagePoolPhys2Ptr(pVM->mm.s.CTX_SUFF(pPagePoolLow), HCPhysPage);
        if (!pvPage)
        {
            STAM_COUNTER_INC(&pVM->mm.s.CTX_SUFF(pPagePool)->cErrors);
            AssertMsg(pvPage, ("Invalid HCPhysPage=%RHp specified\n", HCPhysPage));
            return VERR_INVALID_POINTER;
        }
    }
    *ppvPage = pvPage;
    return VINF_SUCCESS;
}