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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup sparc64mm |
29 | /** @addtogroup sparc64mm |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch/mm/page.h> |
35 | #include <arch/mm/page.h> |
36 | #include <arch/mm/tlb.h> |
36 | #include <arch/mm/tlb.h> |
37 | #include <genarch/mm/page_ht.h> |
37 | #include <genarch/mm/page_ht.h> |
38 | #include <mm/frame.h> |
38 | #include <mm/frame.h> |
- | 39 | #include <arch/mm/frame.h> |
|
39 | #include <bitops.h> |
40 | #include <bitops.h> |
40 | #include <debug.h> |
41 | #include <debug.h> |
- | 42 | #include <align.h> |
|
41 | 43 | ||
42 | void page_arch_init(void) |
44 | void page_arch_init(void) |
43 | { |
45 | { |
44 | page_mapping_operations = &ht_mapping_operations; |
46 | page_mapping_operations = &ht_mapping_operations; |
45 | } |
47 | } |
Line 70... | Line 72... | ||
70 | 72 | ||
71 | if (size <= FRAME_SIZE) |
73 | if (size <= FRAME_SIZE) |
72 | order = 0; |
74 | order = 0; |
73 | else |
75 | else |
74 | order = (fnzb32(size - 1) + 1) - FRAME_WIDTH; |
76 | order = (fnzb32(size - 1) + 1) - FRAME_WIDTH; |
75 | - | ||
76 | uintptr_t virtaddr = (uintptr_t) frame_alloc(order, FRAME_KA); |
- | |
77 | 77 | ||
- | 78 | /* |
|
- | 79 | * Use virtual addresses that are beyond the limit of physical memory. |
|
- | 80 | * Thus, the physical address space will not be wasted by holes created |
|
- | 81 | * by frame_alloc(). |
|
- | 82 | */ |
|
- | 83 | ASSERT(last_frame); |
|
- | 84 | uintptr_t virtaddr = ALIGN_UP(last_frame, 1<<(order + FRAME_WIDTH)); |
|
- | 85 | last_frame = ALIGN_UP(virtaddr + size, 1<<(order + FRAME_WIDTH)); |
|
- | 86 | ||
78 | for (i = 0; i < sizemap[order].count; i++) |
87 | for (i = 0; i < sizemap[order].count; i++) |
79 | dtlb_insert_mapping(virtaddr + i*sizemap[order].increment, |
88 | dtlb_insert_mapping(virtaddr + i*sizemap[order].increment, |
80 | physaddr + i*sizemap[order].increment, |
89 | physaddr + i*sizemap[order].increment, |
81 | sizemap[order].pagesize, true, false); |
90 | sizemap[order].pagesize, true, false); |
82 | 91 | ||
83 | return virtaddr; |
92 | return virtaddr; |
84 | } |
93 | } |
85 | 94 | ||
86 | /** @} |
95 | /** @} |
87 | */ |
96 | */ |
88 | - |