dev/arm/smmu_v3_ptops.cc

46 V7LPageTableOps::isValid(pte_t pte, unsigned level) const
49         case 1: return  pte & 0x1;
50         case 2: return  pte & 0x1;
51         case 3: return (pte & 0x1) && (pte & 0x2);
57 V7LPageTableOps::isLeaf(pte_t pte, unsigned level) const
60         case 1: return !(pte & 0x2);
61         case 2: return !(pte & 0x2);
68 V7LPageTableOps::isWritable(pte_t pte, unsigned level, bool stage2) const
70     return stage2 ? bits(pte, 7, 6)==3 : bits(pte, 7)==0;
74 V7LPageTableOps::nextLevelPointer(pte_t pte, unsigned level) const
76     if (isLeaf(pte, level)) {
78             case 1: return mbits(pte, 39, 30);
79             case 2: return mbits(pte, 39, 21);
80             case 3: return mbits(pte, 39, 12);
84         return mbits(pte, 39, 12);
103 V7LPageTableOps::pageMask(pte_t pte, unsigned level) const
108         case 3: return bits(pte, 52) ? ~mask(16) : ~mask(12);
137 V8PageTableOps4k::isValid(pte_t pte, unsigned level) const
140         case 0: return  pte & 0x1;
141         case 1: return  pte & 0x1;
142         case 2: return  pte & 0x1;
143         case 3: return (pte & 0x1) && (pte & 0x2);
149 V8PageTableOps4k::isLeaf(pte_t pte, unsigned level) const
153         case 1: return !(pte & 0x2);
154         case 2: return !(pte & 0x2);
161 V8PageTableOps4k::isWritable(pte_t pte, unsigned level, bool stage2) const
163     return stage2 ? bits(pte, 7, 6)==3 : bits(pte, 7)==0;
167 V8PageTableOps4k::nextLevelPointer(pte_t pte, unsigned level) const
169     if (isLeaf(pte, level)) {
172             case 1: return mbits(pte, 47, 30);
173             case 2: return mbits(pte, 47, 21);
174             case 3: return mbits(pte, 47, 12);
178         return mbits(pte, 47, 12);
195 V8PageTableOps4k::pageMask(pte_t pte, unsigned level) const
201         case 3: return bits(pte, 52) ? ~mask(16) : ~mask(12);
235 V8PageTableOps16k::isValid(pte_t pte, unsigned level) const
238         case 0: return  pte & 0x1;
239         case 1: return  pte & 0x1;
240         case 2: return  pte & 0x1;
241         case 3: return (pte & 0x1) && (pte & 0x2);
247 V8PageTableOps16k::isLeaf(pte_t pte, unsigned level) const
252         case 2: return !(pte & 0x2);
259 V8PageTableOps16k::isWritable(pte_t pte, unsigned level, bool stage2) const
261     return stage2 ? bits(pte, 7, 6) == 3 : bits(pte, 7) == 0;
265 V8PageTableOps16k::nextLevelPointer(pte_t pte, unsigned level) const
267     if (isLeaf(pte, level)) {
270             case 1: return mbits(pte, 47, 36);
271             case 2: return mbits(pte, 47, 25);
272             case 3: return mbits(pte, 47, 14);
276         return mbits(pte, 47, 12);
293 V8PageTableOps16k::pageMask(pte_t pte, unsigned level) const
299         case 2: return bits(pte, 52) ? ~mask(30) : ~mask(25);
301         case 3: return bits(pte, 52) ? ~mask(21) : ~mask(14);
336 V8PageTableOps64k::isValid(pte_t pte, unsigned level) const
339         case 1: return  pte & 0x1;
340         case 2: return  pte & 0x1;
341         case 3: return (pte & 0x1) && (pte & 0x2);
347 V8PageTableOps64k::isLeaf(pte_t pte, unsigned level) const
351         case 2: return !(pte & 0x2);
358 V8PageTableOps64k::isWritable(pte_t pte, unsigned level, bool stage2) const
360     return stage2 ? bits(pte, 7, 6)==3 : bits(pte, 7)==0;
364 V8PageTableOps64k::nextLevelPointer(pte_t pte, unsigned level) const
366     if (isLeaf(pte, level)) {
369             case 2: return mbits(pte, 47, 29);
370             case 3: return mbits(pte, 47, 16);
374         return mbits(pte, 47, 16);
390 V8PageTableOps64k::pageMask(pte_t pte, unsigned level) const
395         case 3: return bits(pte, 52) ? ~mask(21) : ~mask(16);