svn commit: r298631 - head/sys/kern

[Ruslan Bukin]

Author: br
Date: Tue Apr 26 12:29:47 2016
New Revision: 298631
URL: https://svnweb.freebsd.org/changeset/base/298631

Log:
  Add support for RISC-V.

Modified:
  head/sys/kern/subr_devmap.c

Modified: head/sys/kern/subr_devmap.c
==============================================================================
--- head/sys/kern/subr_devmap.c	Tue Apr 26 12:02:36 2016	(r298630)
+++ head/sys/kern/subr_devmap.c	Tue Apr 26 12:29:47 2016	(r298631)
@@ -56,7 +56,7 @@ static struct devmap_entry	akva_devmap_e
 static u_int			akva_devmap_idx;
 static vm_offset_t		akva_devmap_vaddr = DEVMAP_MAX_VADDR;
 
-#ifdef __aarch64__
+#if defined(__aarch64__) || defined(__riscv__)
 extern int early_boot;
 #endif
 
@@ -200,7 +200,7 @@ devmap_bootstrap(vm_offset_t l1pt, const
 		pmap_map_chunk(l1pt, pd->pd_va, pd->pd_pa, pd->pd_size,
 		    VM_PROT_READ | VM_PROT_WRITE, PTE_DEVICE);
 #endif
-#elif defined(__aarch64__)
+#elif defined(__aarch64__) || defined(__riscv__)
 		pmap_kenter_device(pd->pd_va, pd->pd_size, pd->pd_pa);
 #endif
 	}
@@ -273,7 +273,7 @@ pmap_mapdev(vm_offset_t pa, vm_size_t si
 	pa = trunc_page(pa);
 	size = round_page(size + offset);
 
-#ifdef __aarch64__
+#if defined(__aarch64__) || defined(__riscv__)
 	if (early_boot) {
 		akva_devmap_vaddr = trunc_page(akva_devmap_vaddr - size);
 		va = akva_devmap_vaddr;