RISC OS Open
Safeguarding the past, present and future of RISC OS for everyone
ROOL
Home | News | Downloads | Bugs | Bounties | Forum | Documents | Photos | Contact us
Account

Hardware Abstraction Layer (changes)

Showing changes from revision #6 to #7: Added | Removed | Changed

Contents

  • Preface
  • RISC OS Hardware Abstraction
    • Background
    • 32-bit clean code
    • Support for newer ARM cores
    • Hardware abstraction layer
  • HAL/OS layout and headers
  • HAL workspace and memory allocation
  • Calling standards
  • Initialisation sequence
  • Compressed ROMs
  • List of HAL APIs
  • HAL entry points from RISC OS
    • Index by function
    • Index by number
  • RISC OS entry points from the HAL
    • Index by function
    • Index by number
  • HAL Device API
    • Overview
    • The device descriptor
    • Creation and removal of devices
    • List of HAL devices
  • Other documentation
    • OS_Hardware
    • Service_Hardware
    • Documentation TODO?
      •
    • HAL TODO
Revised on September 29, 2013 19:01:29 by Sprow (202)? (109.176.192.18)
Edit | Back in time (6 revisions) | Hide changes | History | Views: Print | Source | Linked from: Compressed ROMs, HAL_ControllerAddress, HAL Initialisation sequence, HAL Preface, RISC OS Hardware Abstraction, HAL calling standards, HAL entry points from RISC OS, HAL Device API, HAL Device overview, Creaton and removal of HAL devices, HAL_IICMonitorTransfer, HAL Device descriptor, HAL_VideoBufferAlignment, HAL_CounterDelay, HAL_CounterPeriod, IICLines, HAL_CounterRead, HAL entry points by number, RISCOS_AddRAM, HAL_NVMemoryWrite, HAL counter API, RISCOS_IICOpV, HAL_TimerGranularity, HAL_TimerMaxPeriod, HAL_TimerReadCountdown, HAL_Timers, HAL_TimerSetPeriod, HAL TODO, Other HAL related documentation, HAL_CounterRate, HAL_VideoFeatures, HAL_IICBuses, RISCOS_AddDevice, HAL_TimerDevice, HAL_TimerPeriod, HAL_VideoReadPaletteEntry, HAL_Init, HAL PCI API, HAL_UARTFIFOThreshold, HAL_UARTFeatures, HAL_VideoUpdatePointer, HAL IIC API, HAL keyboard API, HAL NVRAM API, HAL_UARTModemControl, HAL UART API, HAL_CleanerSpace, HAL_DebugRX, HAL_MachineID, HAL_HardwareInfo, HAL_InitDevices, HAL_Reset, HAL_SuperIOInfo, HAL_UARTFIFOSize, HAL_UARTInterruptID, HAL_IICReadLines, HAL_IICSetLines, HAL_IICType, HAL_NVMemoryPageSize, HAL_NVMemoryProtectedSize, HAL_NVMemoryProtection, HAL_NVMemorySize, HAL_NVMemoryType, HAL timer API, HAL_UARTBreak, HAL_UARTDevice, RISCOS_InitARM, HAL_UARTFIFOEnable, RISC OS entry points from HAL by number, HAL_UARTInterruptEnable, RISCOS_LogToPhys, HAL_UARTModemStatus, HAL_UARTPorts, HAL_UARTRate, HAL_UARTShutdown, HAL_UARTStartUp, HAL_UARTTransmitByte, HAL_VideoFlybackDevice, HAL_VideoSetMode, HAL_VideoSetPowerSave, iic_transfer, HAL_VideoWritePaletteEntry, HAL_VideoVetMode, HAL_VideoSetBlank, HAL_VideoSetDAG, HAL IIC return codes, OS_Hardware, Service_Hardware, RISCOS_Start, HALDeviceVideo_VDU, HALDeviceAudio_AudC, HAL_FIQClear, HAL_IRQStatus, HAL_FIQDisable, HAL_FIQDisableAll, HAL_FIQSource, HAL_FIQStatus, HAL_TimerIRQClear, HALDeviceSysPeri_IntC, HALDeviceComms_UART, HAL_VideoIICOp, HAL_FIQEnable, HAL_PhysInfo, HAL_PCIFeatures, HAL_PCIReadConfigByte, HAL_PCIReadConfigWord, HAL_PCISlotTable, HAL_PCISpecialCycle, HAL_PCIWriteConfigByte, HAL_PCIWriteConfigWord, HAL_USBPortPower, HAL_USBPortIRQStatus, HAL_VideoRender, HAL_TimerIRQStatus, HAL_USBControllerInfo, HAL_IRQSource, HAL_IRQDisable, OS SWI Calls, ROM image format, HAL_IRQClear, HALDeviceSysPeri_DMAB, HALDeviceComms_GPIO, HAL_IRQEnable, How to port RISC OS to new hardware, HALDeviceComms_EtherNIC, HAL_ExtMachineID, HAL_DebugTX, List of HAL devices, HAL OS layout and headers, HALDeviceSysPeri_RTC, HALDeviceAudio_Mixer, HAL USB API, HAL_NVMemoryIICAddress, HAL Video API, HAL_NVMemoryRead, HAL_PCIAddresses, HAL_PCIWriteConfigHalfword, HAL_UARTFIFOClear, HAL_UARTFormat, HAL_UARTReceiveByte, HAL_VideoOutputFormat, HAL_VideoSetInterlace, HAL_PlatformInfo, HALDeviceSysPeri_CPUClk, HAL_USBPortIRQClear, HAL_UARTLineStatus, HAL_IICDevice, HAL_VideoPixelFormats, HAL_IICTransfer, HAL_VideoWritePaletteEntries, IOMD port status, OMAP 3 port status, HAL Hardware, HALDeviceSysPeri_BMU, HALDeviceSysPeri_DMAL, HAL_IRQMax, HAL interrupt handling API, OS_Hardware 4, OS_Hardware 5, HAL_VideoFramestoreAddress, Service_Hardware 0, OS_Hardware 3, OS_Hardware 2, Service_Hardware 1, OS_Hardware 0, OS_Hardware 1, HAL_UARTDefault, HAL workspace, About RISC OS, HAL_VideoStartupMode, RISC OS entry points from HAL, HAL_PCIReadConfigHalfword, HAL_Watchdog, HAL_USBPortDevice, HomePage, OMAP 4 port status, Tungsten port status, HAL_VideoPixelFormatList, RISCOS_MapInIO, HALDeviceSysPeri_DMAC, Titanium port status, HALDeviceExpCtl_IDE, HAL_PlatformName, List of HAL APIs, HAL_KbdScanDependencies, Developer documentation, OS SWI Calls (français), HAL_CPUCount, HAL_CPUNumber, HAL_SMPStartup, RISCOS_MapInIO64, HAL_IRQProperties, HAL_IRQSetCores, HAL_IRQGetCores, Raspberry Pi port status

Search the Wiki

Social

Follow us on and

ROOL Store

Buy RISC OS Open merchandise here, including SD cards for Raspberry Pi and more.

Donate! Why?

Help ROOL make things happen – please consider donating!

RISC OS IPR

RISC OS is an Open Source operating system owned by RISC OS Developments Ltd and licensed primarily under the Apache 2.0 license.

Navigation

  • Home Page
  • All Pages
  • Recently Revised
  • Authors
  • Feeds
Site design © RISC OS Open Limited 2018 except where indicated
The RISC OS Open Instiki theme is based on Insitki's default layout

Valid XHTML 1.0  |  Valid CSS

Instiki 0.19.1(MML+)
This site runs on Rails

Hosted by Arachsys