[PATCH v3 07/13] riscv: csr: Add CSR encodings for VCSR_VXRM/VCSR_VXSAT

Charlie Jenkins charlie at rivosinc.com
Mon Jul 1 22:46:08 PDT 2024


On Mon, Jul 01, 2024 at 10:49:23AM -0500, Samuel Holland wrote:
> Hi Charlie,
> 
> On 2024-06-19 6:57 PM, Charlie Jenkins wrote:
> > The VXRM vector csr for xtheadvector has an encoding of 0xa and VXSAT
> > has an encoding of 0x9.
> > 
> > Co-developed-by: Heiko Stuebner <heiko at sntech.de>
> > Signed-off-by: Heiko Stuebner <heiko at sntech.de>
> > Signed-off-by: Charlie Jenkins <charlie at rivosinc.com>
> > ---
> >  arch/riscv/include/asm/csr.h | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
> > index 18e178d83401..9086639a3dde 100644
> > --- a/arch/riscv/include/asm/csr.h
> > +++ b/arch/riscv/include/asm/csr.h
> > @@ -220,6 +220,8 @@
> >  #define VCSR_VXRM_MASK			3
> >  #define VCSR_VXRM_SHIFT			1
> >  #define VCSR_VXSAT_MASK			1
> > +#define VCSR_VXSAT			0x9
> > +#define VCSR_VXRM			0xa
> 
> These are normal CSR indexes, so the prefix should be just "CSR_".

Ok, I can change them.

- Charlie

> 
> Regards,
> Samuel
> 
> >  
> >  /* symbolic CSR names: */
> >  #define CSR_CYCLE		0xc00
> > 
> 



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