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Rev 3022 | Rev 4055 | ||
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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 | #include <arch/arch.h> |
29 | #include <arch/arch.h> |
30 | - | ||
31 | #define DCACHE_SIZE (16 * 1024) |
- | |
32 | #define DCACHE_LINE_SIZE 32 |
30 | #include <arch/mm/cache_spec.h> |
33 | 31 | ||
34 | #define DCACHE_TAG_SHIFT 2 |
32 | #define DCACHE_TAG_SHIFT 2 |
35 | 33 | ||
36 | .register %g2, #scratch |
34 | .register %g2, #scratch |
37 | .register %g3, #scratch |
35 | .register %g3, #scratch |
Line 47... | Line 45... | ||
47 | stxa %g0, [%g1] ASI_DCACHE_TAG |
45 | stxa %g0, [%g1] ASI_DCACHE_TAG |
48 | membar #Sync |
46 | membar #Sync |
49 | retl |
47 | retl |
50 | ! beware SF Erratum #51, do not put the MEMBAR here |
48 | ! beware SF Erratum #51, do not put the MEMBAR here |
51 | nop |
49 | nop |
52 | - | ||
53 | /** Flush only D-cache lines of one virtual color. |
- | |
54 | * |
- | |
55 | * @param o0 Virtual color to be flushed. |
- | |
56 | */ |
- | |
57 | .global dcache_flush_color |
- | |
58 | dcache_flush_color: |
- | |
59 | mov (DCACHE_SIZE / DCACHE_LINE_SIZE) / 2, %g1 |
- | |
60 | set DCACHE_SIZE / 2, %g2 |
- | |
61 | sllx %g2, %o0, %g2 |
- | |
62 | sub %g2, DCACHE_LINE_SIZE, %g2 |
- | |
63 | 0: stxa %g0, [%g2] ASI_DCACHE_TAG |
- | |
64 | membar #Sync |
- | |
65 | subcc %g1, 1, %g1 |
- | |
66 | bnz,pt %xcc, 0b |
- | |
67 | sub %g2, DCACHE_LINE_SIZE, %g2 |
- | |
68 | retl |
- | |
69 | nop |
- | |
70 | - | ||
71 | /** Flush only D-cache lines of one virtual color and one tag. |
- | |
72 | * |
- | |
73 | * @param o0 Virtual color to lookup the tag. |
- | |
74 | * @param o1 Tag of the cachelines to be flushed. |
- | |
75 | */ |
- | |
76 | .global dcache_flush_tag |
- | |
77 | dcache_flush_tag: |
- | |
78 | mov (DCACHE_SIZE / DCACHE_LINE_SIZE) / 2, %g1 |
- | |
79 | set DCACHE_SIZE / 2, %g2 |
- | |
80 | sllx %g2, %o0, %g2 |
- | |
81 | sub %g2, DCACHE_LINE_SIZE, %g2 |
- | |
82 | 0: ldxa [%g2] ASI_DCACHE_TAG, %g3 |
- | |
83 | srlx %g3, DCACHE_TAG_SHIFT, %g3 |
- | |
84 | cmp %g3, %o1 |
- | |
85 | bnz 1f |
- | |
86 | nop |
- | |
87 | stxa %g0, [%g2] ASI_DCACHE_TAG |
- | |
88 | membar #Sync |
- | |
89 | 1: subcc %g1, 1, %g1 |
- | |
90 | bnz,pt %xcc, 0b |
- | |
91 | sub %g2, DCACHE_LINE_SIZE, %g2 |
- | |
92 | retl |
- | |
93 | nop |
- |