2017-06-05 0:14 GMT+03:00 Hesham Almatary <heshamelmat...@gmail.com>:
> Hi Denis, > > Yes, the Host-Target-Interface (HTIF) has been refactored/removed in > RISC-V. Also, it was meant to work with riscv front-end server > (riscv-fesvr) which is not the case for your HiFive BSP I guess. > > I believe now it's the good time for you to start creating your own > HiFive BSP. You'll have to read/know how to output data over the > HiFive serial port or so, and develop your own console driver for the > board. You might find this link useful [1] when creating a new BSP, > and also use other BSPs as a reference (e.g. riscv_generic). Main > things to be aware of when creating a new BSP are: 1) startup code, 2) > console driver, and 3) timer driver. To make things easier for you, > and to give you credit for your contributions when merged upstream, > you'd want to create a new branch for your HiFive BSP based on > priv-1.10, and rebase against it when/if I make changes to it. > > Keep the good work up. > > [1] https://devel.rtems.org/wiki/TBR/UserManual/Submitting_a_BSP > > Best, > Hesham > > On Mon, Jun 5, 2017 at 7:00 AM, Denis Obrezkov <denisobrez...@gmail.com> > wrote: > > 2017-06-04 16:17 GMT+03:00 Denis Obrezkov <denisobrez...@gmail.com>: > >> > >> Now I have a problem with console-io.c file. > >> The problem is with csr macros - there is no more such a register > >> "tohost". > >> Here it is described a little: > >> https://github.com/riscv/riscv-pk/issues/25 > >> > >> Could you explain what should be done here and what for was mtohost > >> register? > >> > > > > I have built riscv-generic bsp. Though there are a lot of warnings. > > The current issue is that asm functions should be reimplemented (there > is no > > more > > such a register 'mtohost' in csr). > > > > -- > > Regards, Denis Obrezkov > > > > -- > Hesham > Thanks Hasham, will you be able to fix these asm functions to make BSP work in SPIKE simulator? Could you also point me to the good reference on risc-v assembler and about assembler writing in general (for RISC) - I am not really good in it. -- Regards, Denis Obrezkov
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