diff options
| author | ian <ian@FreeBSD.org> | 2015-10-21 14:57:59 +0000 |
|---|---|---|
| committer | ian <ian@FreeBSD.org> | 2015-10-21 14:57:59 +0000 |
| commit | fecc322187680be81bc3daf9521c7ad185a16a09 (patch) | |
| tree | 5b9f271a10cdb5326d5cdc95cccac06db7417603 /sys/mips/include/pmap.h | |
| parent | 22e625431aa7d7e1a61aa62d45aa028f12f0984c (diff) | |
| download | FreeBSD-src-fecc322187680be81bc3daf9521c7ad185a16a09.zip FreeBSD-src-fecc322187680be81bc3daf9521c7ad185a16a09.tar.gz | |
Switch from a stub to a real implementation of pmap_page_set_attr() for mips,
and implement support for VM_MEMATTR_UNCACHEABLE. This will be used in
upcoming changes to support BUS_DMA_COHERENT in bus_dmamem_alloc().
Reviewed by: adrian, imp
Diffstat (limited to 'sys/mips/include/pmap.h')
| -rw-r--r-- | sys/mips/include/pmap.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/mips/include/pmap.h b/sys/mips/include/pmap.h index 15b07d3..8392d8a 100644 --- a/sys/mips/include/pmap.h +++ b/sys/mips/include/pmap.h @@ -74,6 +74,7 @@ struct md_page { }; #define PV_TABLE_REF 0x02 /* referenced */ +#define PV_MEMATTR_UNCACHEABLE 0x04 #define ASID_BITS 8 #define ASIDGEN_BITS (32 - ASID_BITS) @@ -165,7 +166,6 @@ extern vm_paddr_t dump_avail[PHYS_AVAIL_ENTRIES + 2]; #define pmap_page_get_memattr(m) VM_MEMATTR_DEFAULT #define pmap_page_is_mapped(m) (!TAILQ_EMPTY(&(m)->md.pv_list)) #define pmap_page_is_write_mapped(m) (((m)->aflags & PGA_WRITEABLE) != 0) -#define pmap_page_set_memattr(m, ma) (void)0 void pmap_bootstrap(void); void *pmap_mapdev(vm_paddr_t, vm_size_t); @@ -179,6 +179,7 @@ void pmap_kenter_temporary_free(vm_paddr_t pa); void pmap_flush_pvcache(vm_page_t m); int pmap_emulate_modified(pmap_t pmap, vm_offset_t va); void pmap_grow_direct_page_cache(void); +void pmap_page_set_memattr(vm_page_t, vm_memattr_t); #endif /* _KERNEL */ |
