Searched refs:DMA (Results 1 - 5 of 5) sorted by relevance

/vbox/src/VBox/Devices/EFI/Firmware/OvmfPkg/AcpiTables/
H A DDsdt.asl284 // ISA DMA
295 DMA (Compatibility, NotBusMaster, Transfer8) {4}
435 DMA (Compatibility, NotBusMaster, Transfer8) {2}
/vbox/src/VBox/Devices/PC/BIOS/
H A Dorgs.asm297 ;; reset the DMA controllers
301 ;; then initialize the DMA controllers
678 ; b7: 1=DMA channel 3 used by hard disk
692 ; b7: 1=32-bit DMA supported
1220 out 0Ah, al ; unmask DMA channel 2
1344 db 2 ; HLT=1, DMA mode
H A DVBoxBiosAlternative.asm715 ; Utility routines for calling the Virtual DMA Services.
/vbox/src/VBox/Devices/EFI/Firmware/OptionRomPkg/AtapiPassThruDxe/
H A DAtapiPassThru.h263 #define DMA BIT0 macro
/vbox/src/VBox/Devices/Audio/
H A DDevIchHda.cpp839 { 0x00074, 0x00004, 0xFFFFFFFF, 0xFFFFFFFF, hdaRegReadU32 , hdaRegWriteBase , RA(DPUBASE) }, /* DMA Position Upper Base */
1153 Assert((HDA_REG_FLAG_VALUE(pThis, CORBCTL, DMA)));
1182 Assert((HDA_REG_FLAG_VALUE(pThis, RIRBCTL, DMA)));
1384 if ( HDA_REG_FLAG_VALUE(pThis, CORBCTL, DMA)
1385 || HDA_REG_FLAG_VALUE(pThis, RIRBCTL, DMA))
1387 LogFunc(("HDA enters in reset with DMA(RIRB:%s, CORB:%s)\n",
1388 HDA_REG_FLAG_VALUE(pThis, CORBCTL, DMA) ? "on" : "off",
1389 HDA_REG_FLAG_VALUE(pThis, RIRBCTL, DMA) ? "on" : "off"));
1468 && HDA_REG_FLAG_VALUE(pThis, CORBCTL, DMA) != 0)
1492 if (!HDA_REG_FLAG_VALUE(pThis, CORBCTL, DMA))
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