98 lines
1.8 KiB
Markdown
98 lines
1.8 KiB
Markdown
# `riscv`
|
|
|
|
> Low level access to RISCV processors
|
|
|
|
## Implemented Peripherals
|
|
- [ ] plic
|
|
- [ ] clint
|
|
|
|
## Implemented privileged ASM instructions
|
|
- [x] ecall
|
|
- [x] ebreak
|
|
- [x] uret
|
|
- [x] sret
|
|
- [x] mret
|
|
- [x] wfi
|
|
- [ ] sfence.vma
|
|
|
|
## Implemented CSR's
|
|
|
|
### User mode
|
|
- [ ] ustatus
|
|
- [ ] uie
|
|
- [ ] utvec
|
|
- [ ] uscratch
|
|
- [ ] uepc
|
|
- [ ] ucause
|
|
- [ ] utval
|
|
- [ ] uip
|
|
- [ ] fflags
|
|
- [ ] frm
|
|
- [ ] fcsr
|
|
- [ ] cycle
|
|
- [ ] time
|
|
- [ ] instret
|
|
- [ ] hpmcounter[3-31]
|
|
- [ ] cycleh
|
|
- [ ] timeh
|
|
- [ ] instreth
|
|
- [ ] hpmcounter[3-31]h
|
|
|
|
### Supervisor mode
|
|
- [ ] sstatus
|
|
- [ ] sedeleg
|
|
- [ ] sideleg
|
|
- [ ] sie
|
|
- [ ] stvec
|
|
- [ ] scounteren
|
|
- [ ] sscratch
|
|
- [ ] sepc
|
|
- [ ] scause
|
|
- [ ] stval
|
|
- [ ] sip
|
|
- [ ] satp
|
|
|
|
### Machine mode
|
|
- [x] mvendorid
|
|
- [ ] marchid
|
|
- [ ] mimpid
|
|
- [ ] mhartid
|
|
- [x] mstatus
|
|
- [x] misa
|
|
- [ ] medeleg
|
|
- [ ] mideleg
|
|
- [x] mie
|
|
- [x] mtvec
|
|
- [ ] mcounteren
|
|
- [ ] mscratch
|
|
- [x] mepc
|
|
- [x] mcause
|
|
- [ ] mtval
|
|
- [x] mip
|
|
- [ ] pmpcfg[0-3]
|
|
- [ ] pmpaddr[0-15]
|
|
- [x] mcycle
|
|
- [x] minstret
|
|
- [ ] mhpmcounter[3-31]
|
|
- [x] mcycleh
|
|
- [x] minstreth
|
|
- [ ] mhpmcounter[3-31]h
|
|
- [ ] mhpmevent[3-31]
|
|
- [ ] tselect
|
|
- [ ] tdata[1-3]
|
|
|
|
# License
|
|
Copyright 2017 David Craven
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any purpose
|
|
with or without fee is hereby granted, provided that the above copyright notice
|
|
and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
|
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
|
OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
|
|
THIS SOFTWARE.
|