Adrien Destugues e21a1abec4 mmc: properly set DMA restrictions
- The restrictions are now set by the sdhci bus and retrieved from there
  by the DMAResources.
- Configure SDMA with the maximal available boundary check of 512K and
  publish the corresponding DMA restrictions.
- dma_resource cannot be initialized implicitly as a member of
  mmc_disk_driver_info because mmc_disk_driver_info is allocated with
  malloc/free, not new/delete. So we now explicitly allocate and delete
  it.

This allows reads and writes of more than a single block at a time.

Change-Id: Ibb97c91543312c7970c28a7a8c68a12708263e32
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3505
Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>
2021-01-05 02:06:44 +00:00
2021-01-05 02:06:44 +00:00
2021-01-02 08:51:41 +00:00
2020-12-29 14:04:20 +01:00
2021-01-05 02:06:44 +00:00
2021-01-05 02:06:44 +00:00
2018-01-04 00:04:02 -06:00
2020-02-17 14:43:59 -05:00

Haiku

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Haiku is an open-source operating system that specifically targets personal computing. Inspired by the BeOS, Haiku is fast, simple to use, easy to learn and yet very powerful.

Goals

  • Sensible defaults with minimal configuration required.
  • Clean, clear, concise code.
  • Unified desktop environment.

Trying Haiku

Haiku provides pre-built nightly images and release images. Haiku is compatible with a large variety of hardware, but in case you don't want to "take the plunge" and install Haiku on bare metal, you can install it on a virtual machine (VM) instead. If you've never used a VM before, you can follow one of the "Emulating Haiku" guides.

Compiling Haiku

See ReadMe.Compiling.

Contributing

Haiku is a meritocratic open source project with a large variety of tasks. Even if you can't write code, you can still help! Haiku needs designers, (technical) writers, translators, testers... Get involved and help out!

Contributing code

If you're submitting a patch to us, please make sure you're following the patch submitting guidelines.

If you're having trouble finding something in the source tree, you can use one of our web-based source code browsers:

Contributing documentation

The main piece of documentation that still needs work are the API docs (found in the tree at docs/user). Just find an undocumented class, write documentation for it, and submit a patch.

Contributing translations

See wiki:i18n.

Contributing software ports

See HaikuPorts.

Contributing to our infrastructure

See Infrastructure.

Description
The Haiku operating system
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