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Differential D18462 Diff 51721 head/sys/riscv/riscv/pmap.c

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head/sys/riscv/riscv/pmap.c

Show First 20 Lines • Show All 3,296 Lines • ▼ Show 20 Linespmap_activate(struct thread *td)
uint64_t reg; uint64_t reg;
critical_enter(); critical_enter();
pmap = vmspace_pmap(td->td_proc->p_vmspace); pmap = vmspace_pmap(td->td_proc->p_vmspace);
td->td_pcb->pcb_l1addr = vtophys(pmap->pm_l1); td->td_pcb->pcb_l1addr = vtophys(pmap->pm_l1);
reg = SATP_MODE_SV39; reg = SATP_MODE_SV39;
reg |= (td->td_pcb->pcb_l1addr >> PAGE_SHIFT); reg |= (td->td_pcb->pcb_l1addr >> PAGE_SHIFT);
__asm __volatile("csrw sptbr, %0" :: "r"(reg)); load_satp(reg);
pmap_invalidate_all(pmap); pmap_invalidate_all(pmap);
critical_exit(); critical_exit();
} }
void void
pmap_sync_icache(pmap_t pm, vm_offset_t va, vm_size_t sz) pmap_sync_icache(pmap_t pm, vm_offset_t va, vm_size_t sz)
{ {
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