Searched refs:mBufferUnder1Mb (Results 1 - 1 of 1) sorted by relevance

/vbox/src/VBox/Devices/EFI/Firmware/IntelFrameworkModulePkg/Csm/BiosThunk/BlockIoDxe/
H A DBiosBlkIo.c39 // Semaphore to control access to global variables mActiveInstances and mBufferUnder1Mb
53 EFI_PHYSICAL_ADDRESS mBufferUnder1Mb = 0; variable
331 if (mBufferUnder1Mb == 0) {
345 mBufferUnder1Mb = 0x00000000000FFFFF;
346 Status = gBS->AllocatePages (AllocateMaxAddress, EfiBootServicesData, BLOCK_IO_BUFFER_PAGE_SIZE, &mBufferUnder1Mb);
362 mBufferUnder1Mb = 0;
366 TmpAddress = (UINTN) mBufferUnder1Mb;
474 if (mBufferUnder1Mb != 0 && mActiveInstances == 0) {
475 gBS->FreePages (mBufferUnder1Mb, BLOCK_IO_BUFFER_PAGE_SIZE);
481 mBufferUnder1Mb
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