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Added PCPI to README

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Clifford Wolf 2015-06-26 23:49:16 +02:00
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README.md
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@ -83,6 +83,10 @@ transaction. In the default configuration the PicoRV32 core only expects the
`mem_rdata` input to be valid in the cycle with `mem_valid && mem_ready` and `mem_rdata` input to be valid in the cycle with `mem_valid && mem_ready` and
latches the value internally. latches the value internally.
#### ENABLE_PCPI (default = 0)
Set this to 1 to enable the Pico Co-Processor Interface (PCPI).
#### ENABLE_IRQ (default = 0) #### ENABLE_IRQ (default = 0)
Set this to 1 to enable IRQs. Set this to 1 to enable IRQs.
@ -131,6 +135,18 @@ Dhrystone benchmark results: 0.309 DMIPS/MHz (544 Dhrystones/Second/MHz)
For the Dhrystone benchmark the average CPI is 4.167. For the Dhrystone benchmark the average CPI is 4.167.
PicoRV32 Native Memory Interface
--------------------------------
This section is under construction.
Pico Co-Processor Interface (PCPI)
----------------------------------
This section is under construction.
Custom Instructions for IRQ Handling Custom Instructions for IRQ Handling
------------------------------------ ------------------------------------