Wesley W. Terpstra 0368b6db6b ahb: replace defective crossbar with a functional one ...

The previous crossbar had the following bugs:
  1. a bursting master could be preempted
     the AHB-lite spec requires a slave receive the entire burst

  2. a waited master could be replaced
     the AHB-lite spec requires haddr/etc to remain unchanged

  3. hmastlock did no ensure exclusive access
     atomic operations could be pre-empted

2016-05-24 14:14:22 -07:00

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ahb: replace defective crossbar with a functional one

2016-05-24 14:14:22 -07:00

S

Description

Rocket Chip Generator (https://github.com/freechipsproject/rocket-chip)

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