1. 25 Feb, 2012 1 commit
    • Jeffrey Lee's avatar
      Add compressed ROM support. Make more use of ARMv5+ instructions. Other misc tweaks. · 538f3c24
      Jeffrey Lee authored
      Detail:
        hdr/OSEntries, s/HAL, s/Kernel - Add compressed ROM support.
        With the current scheme, a compressed ROM will have everything except the HAL and kernel compressed.
        During the keyboard scan period the kernel will allocate some temporary decompression workspace and call the decompression stub that was appended to the ROM.
        The decompression stub is expected to perform in-place decompression of the ROM. Once decompression is complete the workspace will be freed and the page tables updated to make the ROM image readonly.
        It's the HAL's responsibility to make sure any compressed ROM is located in an area of physically contiguous RAM large enough to hold the uncompressed image.
        More info here: http://www.riscosopen.org/wiki/documentation/show/Compressed%20ROMs
        Makefile, h/OSEntries - Add C export of hdr/OSEntries
        hdr/HALDevice - Add device ID for Tungsten video device. Convert tabs to spaces for consistency.
        hdr/HALEntries, s/NewReset - Moved KbdFlag_* definitions to hdr/HALEntries so HALs can use them in their keyboard scan code
        s/ArthurSWIs, S/HAL, s/HeapSort, s/Kernel, s/MemInfo, s/Middle, s/NewIRQs, s/TickEvents, s/vdu/vdugrafb - Make use of BLX, BFI and long multiplies if the CPU supports them. Don't support SWI calls from thumb mode if the CPU doesn't support thumb.
        s/HAL - Made the LDMIA in Init_MapInRAM more sensible (register order was backwards). The old code did work, but wasn't doing what the comments described. Removed unused/unfinished HAL_Write0 function. Improve RISCOS_LogToPhys to check L1PT for any section mappings if the logical_to_physical call fails
        s/ModHand - Save one instruction by using ADR instead of MOV+ADD to compute lr
        s/NewReset, s/PMF/key - Pass L1PT to HAL_Reset to allow machines without hardware reset (e.g. IOMD) to perform resets by manually disabling the MMU and restarting the ROM
        s/vdu/vdudriver, s/vdu/vdugrafv - Use GVEntry macro borrowed from NVidia module for setting up the GraphicsV jump table. Make GraphicsV_ReadPaletteEntry call HAL_Video_ReadPaletteEntry if left unclaimed. Fixup GV_Render to only call HAL_Video_Render if the HAL call is implemented.
      Admin:
        Tested with OMAP3, IOMD & Tungsten ROMs/softloads.
      
      
      Version 5.35, 4.79.2.138. Tagged as 'Kernel-5_35-4_79_2_138'
      538f3c24
  2. 13 Nov, 2011 2 commits
  3. 12 Sep, 2011 1 commit
    • Ben Avison's avatar
      Kernel updates to support Cortex-A9 CPUs · 0ff2f2dd
      Ben Avison authored
      Detail:
        hdr.ARMops
          added Cortex_A9
        hdr.HALDevice
          added OMAP4 specific device IDs
        hdr.KernelWS
          changed definition of DefIRQ1Vspace for M_CortexA9
        s.ARMops
          added CortexA9 specific code for enabling L2 cache
          added CPUDesc Cortex_A9
        s.NewIRQs
          added CortexA9 specific definition of MaxInterrupts
        s.NewReset
          added M_CortexA9 options
          line 1444: corrected typo
          line 187: commented out unnecessary operation
      Admin:
        Submission from Willi Theiß
      
      Version 5.35, 4.79.2.98.2.50. Tagged as 'Kernel-5_35-4_79_2_98_2_50'
      0ff2f2dd
  4. 01 Aug, 2011 1 commit
    • Jeffrey Lee's avatar
      Keep hdr/HALDevice & hdr/HALEntries in sync with Cortex branch · afae51e2
      Jeffrey Lee authored
      Detail:
        hdr/HALDevice - Device types & IDs for CPU clock generator and GPIO interface
        hdr/HALEntries - HAL_ExtMachineID entry (but not used by this kernel yet)
      Admin:
        Tungsten ROM built OK, but untested at runtime.
      
      
      Version 5.35, 4.79.2.116. Tagged as 'Kernel-5_35-4_79_2_116'
      afae51e2
  5. 31 Jul, 2011 1 commit
    • Jeffrey Lee's avatar
      Add new GPIO device type & OMAP3 GPIO device ID · e14282c7
      Jeffrey Lee authored
      Detail:
        hdr/HALDevice - Added GPIO device type in the Comms group, and an ID for a generic OMAP3 GPIO device
        hdr/GPIODevice - Definition of GPIO device structure. Currently only used to store the type and revision of the main board, so the GPIO manager module can tailor its features appropriately.
        Makefile - Export hdr/GPIODevice
      Admin:
        Tested on rev A2 BB-xM
      
      
      Version 5.35, 4.79.2.98.2.42. Tagged as 'Kernel-5_35-4_79_2_98_2_42'
      e14282c7
  6. 19 Mar, 2011 1 commit
    • Jeffrey Lee's avatar
      Add ID's for CPUClk HAL device. Trim dead code. · 2f8b5459
      Jeffrey Lee authored
      Detail:
        hdr/HALDevice - Added device type & ID for new CPUClk device, as used by the new OMAP3 HAL/PortableHAL versions.
        s/PMF/osinit - Disable a block of dead code that was getting compiled in.
      Admin:
        Tested on rev C2 BB, rev A2 BB-xM, rev C1 TouchBook
        These changes are needed by the latest OMAP3 HAL & PortableHAL versions.
      
      
      Version 5.35, 4.79.2.98.2.36. Tagged as 'Kernel-5_35-4_79_2_98_2_36'
      2f8b5459
  7. 20 Mar, 2010 2 commits
    • Jeffrey Lee's avatar
      Bring HAL branch of hdr/HALDevice, h/HALDevice in line with Cortex branch · ff0710fa
      Jeffrey Lee authored
      Detail:
        A fair number of bus/device types and IDs have been added to the Cortex branch since the branch was created.
        Now that the ClearIRQ entry has also been added, it's about time that the HAL branch was brought up to date.
      Admin:
        Untested, but should be fine.
      
      
      Version 5.35, 4.79.2.111. Tagged as 'Kernel-5_35-4_79_2_111'
      ff0710fa
    • Jeffrey Lee's avatar
      Add ClearIRQ entry to base HAL device struct, plus a couple of new HAL device IDs & bus types · 736b815d
      Jeffrey Lee authored
      Detail:
        hdr/HALDevice, h/HALDevice - inserted the new 'ClearIRQ' entry point into one of the reserved areas.
        Once the RISC OS-side driver has serviced the device's IRQ the ClearIRQ entry point should be called to allow the HAL device to clear any latched interrupt states in intermediate IRQ controllers (e.g. when using GPIO IRQs on OMAP)
        Since this entry point is new, support for it in existing device drivers isn't guaranteed; HAL device implementations of existing APIs must make sure the use a new major version number to indicate that they require ClearIRQ to be called.
        hdr/HALDevice - added some new bus types to represent the GPMC & L3/L4 interconnects in the OMAP.
        hdr/HALDevice - added ethernet NIC device type & IDs for SMSC9221 & DM9000 NICs
      Admin:
        Tested on rev C2 beagleboard
      
      
      Version 5.35, 4.79.2.98.2.25. Tagged as 'Kernel-5_35-4_79_2_98_2_25'
      736b815d
  8. 16 Jan, 2010 1 commit
  9. 28 Nov, 2009 1 commit
  10. 23 Jul, 2009 1 commit
    • Jeffrey Lee's avatar
      Add HAL RTC support to Cortex branch of kernel, clean up RTCSupport code · 7f21e480
      Jeffrey Lee authored
      Detail:
        HAL kernels (on the Cortex branch at least) now support HALDevice-based RTCs. If the kernels own RTC code is disabled or fails to detect an RTC, then after HAL_InitDevices is called the HALDevice list will be scanned for any HAL-resident RTC devices.
        Additionally, the RTCSupport flag (in Hdr:Machine.Machine), which was previously TRUE for all HAL kernels, can now be set to FALSE in HAL kernels to disable the kernels own IIC RTC code. This allows the unwanted legacy RTC code to be disabled for machines which are known to use HAL RTCs instead.
        hdr/RTCDevice - new header describing data structures used for HAL RTC device
        hdr/HALDevice - added RTCDevice device type, IIC serial bus type
        hdr/KernelWS - upgraded RTCFitted from a 1 byte field to 4 byte. It now stores either a null value (for no RTC), a value <2048 for an IIC RTC address, or a value >= 2048 for a RTCDevice ptr
        Makefile - added header export of hdr/RTCDevice
        s/GetAll - include hdr/RTCDevice
        s/NewReset - initialise HAL RTC after HAL_InitDevices if required
        s/PMF/i2cutils, s/PMF/osinit, s/PMF/osword - modifications to allow use of HAL RTC (and disallow use of builtin IIC RTC)
      Admin:
        Tested on rev C2 beagleboard
      
      
      Version 5.35, 4.79.2.98.2.11. Tagged as 'Kernel-5_35-4_79_2_98_2_11'
      7f21e480
  11. 21 Feb, 2003 1 commit
    • Ben Avison's avatar
      Miscellaneous stuff. · d91e9420
      Ben Avison authored
      Detail:
        * Merged in the change to RISC OS 4.02 kernel that moved the GSTrans
          workspace out of scratch space.
        * Fixed a few bugs in callback postponement, and interrupt holes in
          callback dispatch. See Docs.CallbackChange for full info.
        * Fixed SystemSizeCMOS to SysHeapCMOS - wouldn't build as was.
        * Added an export of a C version of Hdr:HALDevice, based on the Hdr2H
          translation but with an additional struct definition. Required by
          SoundControl 1.00.
        * Added some additional location and ID allocations to Hdr:HALDevice.
          Required by today's HAL and SoundControl.
      Admin:
        Partially tested.
      
      Version 5.35, 4.79.2.56. Tagged as 'Kernel-5_35-4_79_2_56'
      d91e9420
  12. 22 Jan, 2003 1 commit
  13. 13 Dec, 2002 1 commit
    • Ben Avison's avatar
      HAL device support, and a couple of new service calls. · 5fa74be7
      Ben Avison authored
      Detail:
        * Rejigged documented meaning of device "Location" field so that we can
          fit full PCI locations in.
        * Defined lots of device "Type" values in Hdr:HALDevice.
        * Removed obsolete DMA-related HAL entries in Hdr:HALEntries (no longer
          required by DMAManager 0_15-4_4_2_6, no longer provided by Tungsten HAL
          0.07).
        * OS_Hardware 2 and 3 actually work now.
        * Changed OS_Hardware 4 to take a maximum major version number to match.
        * HAL workspace is now USR mode readable.
        * Service calls issued after module initialisation/finalisation (see
          Docs.ModPostServ).
      Admin:
        OS_Hardware tested, service calls not tested.
      
      Version 5.35, 4.79.2.52. Tagged as 'Kernel-5_35-4_79_2_52'
      5fa74be7
  14. 07 Oct, 2002 1 commit