Andy Chiu <andy.chiu@xxxxxxxxxx> writes: > From: Greentime Hu <greentime.hu@xxxxxxxxxx> > > Add vector state context struct to be added later in thread_struct. And > prepare low-level helper functions to save/restore vector contexts. > > This include Vector Regfile and CSRs holding dynamic configuration state > (vstart, vl, vtype, vcsr). The Vec Register width could be implementation > defined, but same for all processes, so that is saved separately. > > This is not yet wired into final thread_struct - will be done when > __switch_to actually starts doing this in later patches. > > Given the variable (and potentially large) size of regfile, they are > saved in dynamically allocated memory, pointed to by datap pointer in > __riscv_v_ext_state. > > Co-developed-by: Vincent Chen <vincent.chen@xxxxxxxxxx> > Signed-off-by: Vincent Chen <vincent.chen@xxxxxxxxxx> > Signed-off-by: Greentime Hu <greentime.hu@xxxxxxxxxx> > Signed-off-by: Vineet Gupta <vineetg@xxxxxxxxxxxx> > Signed-off-by: Andy Chiu <andy.chiu@xxxxxxxxxx> Thank you for doing the scratch reg change! Reviewed-by: Björn Töpel <bjorn@xxxxxxxxxxxx>
