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authorGravatar Lioncash2018-08-02 12:19:05 -0400
committerGravatar Lioncash2018-08-02 12:21:46 -0400
commitc4e0c3d76ce4cf3cf3844b204ff7028ffa65a0d9 (patch)
treed491f1c2ab5a036e57d0080564447bfd1cd5fb74 /src
parentkernel/vm_manager: Use the VAddr type alias in CarveVMA() (diff)
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kernel/vm_manager: Use const where applicable
Makes our immutable state explicit.
Diffstat (limited to 'src')
-rw-r--r--src/core/hle/kernel/svc.cpp2
-rw-r--r--src/core/hle/kernel/vm_manager.cpp28
-rw-r--r--src/core/hle/kernel/vm_manager.h8
3 files changed, 19 insertions, 19 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index d1cbbc1f2..5db2db687 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -267,7 +267,7 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
267 LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id, 267 LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id,
268 info_sub_id, handle); 268 info_sub_id, handle);
269 269
270 auto& vm_manager = Core::CurrentProcess()->vm_manager; 270 const auto& vm_manager = Core::CurrentProcess()->vm_manager;
271 271
272 switch (static_cast<GetInfoType>(info_id)) { 272 switch (static_cast<GetInfoType>(info_id)) {
273 case GetInfoType::AllowedCpuIdBitmask: 273 case GetInfoType::AllowedCpuIdBitmask:
diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp
index d8b389b65..0f89dd9f3 100644
--- a/src/core/hle/kernel/vm_manager.cpp
+++ b/src/core/hle/kernel/vm_manager.cpp
@@ -175,9 +175,9 @@ VMManager::VMAIter VMManager::Unmap(VMAIter vma_handle) {
175 175
176ResultCode VMManager::UnmapRange(VAddr target, u64 size) { 176ResultCode VMManager::UnmapRange(VAddr target, u64 size) {
177 CASCADE_RESULT(VMAIter vma, CarveVMARange(target, size)); 177 CASCADE_RESULT(VMAIter vma, CarveVMARange(target, size));
178 VAddr target_end = target + size; 178 const VAddr target_end = target + size;
179 179
180 VMAIter end = vma_map.end(); 180 const VMAIter end = vma_map.end();
181 // The comparison against the end of the range must be done using addresses since VMAs can be 181 // The comparison against the end of the range must be done using addresses since VMAs can be
182 // merged during this process, causing invalidation of the iterators. 182 // merged during this process, causing invalidation of the iterators.
183 while (vma != end && vma->second.base < target_end) { 183 while (vma != end && vma->second.base < target_end) {
@@ -207,9 +207,9 @@ VMManager::VMAHandle VMManager::Reprotect(VMAHandle vma_handle, VMAPermission ne
207 207
208ResultCode VMManager::ReprotectRange(VAddr target, u64 size, VMAPermission new_perms) { 208ResultCode VMManager::ReprotectRange(VAddr target, u64 size, VMAPermission new_perms) {
209 CASCADE_RESULT(VMAIter vma, CarveVMARange(target, size)); 209 CASCADE_RESULT(VMAIter vma, CarveVMARange(target, size));
210 VAddr target_end = target + size; 210 const VAddr target_end = target + size;
211 211
212 VMAIter end = vma_map.end(); 212 const VMAIter end = vma_map.end();
213 // The comparison against the end of the range must be done using addresses since VMAs can be 213 // The comparison against the end of the range must be done using addresses since VMAs can be
214 // merged during this process, causing invalidation of the iterators. 214 // merged during this process, causing invalidation of the iterators.
215 while (vma != end && vma->second.base < target_end) { 215 while (vma != end && vma->second.base < target_end) {
@@ -258,14 +258,14 @@ ResultVal<VMManager::VMAIter> VMManager::CarveVMA(VAddr base, u64 size) {
258 return ERR_INVALID_ADDRESS; 258 return ERR_INVALID_ADDRESS;
259 } 259 }
260 260
261 VirtualMemoryArea& vma = vma_handle->second; 261 const VirtualMemoryArea& vma = vma_handle->second;
262 if (vma.type != VMAType::Free) { 262 if (vma.type != VMAType::Free) {
263 // Region is already allocated 263 // Region is already allocated
264 return ERR_INVALID_ADDRESS_STATE; 264 return ERR_INVALID_ADDRESS_STATE;
265 } 265 }
266 266
267 VAddr start_in_vma = base - vma.base; 267 const VAddr start_in_vma = base - vma.base;
268 VAddr end_in_vma = start_in_vma + size; 268 const VAddr end_in_vma = start_in_vma + size;
269 269
270 if (end_in_vma > vma.size) { 270 if (end_in_vma > vma.size) {
271 // Requested allocation doesn't fit inside VMA 271 // Requested allocation doesn't fit inside VMA
@@ -288,13 +288,13 @@ ResultVal<VMManager::VMAIter> VMManager::CarveVMARange(VAddr target, u64 size) {
288 ASSERT_MSG((size & Memory::PAGE_MASK) == 0, "non-page aligned size: 0x{:016X}", size); 288 ASSERT_MSG((size & Memory::PAGE_MASK) == 0, "non-page aligned size: 0x{:016X}", size);
289 ASSERT_MSG((target & Memory::PAGE_MASK) == 0, "non-page aligned base: 0x{:016X}", target); 289 ASSERT_MSG((target & Memory::PAGE_MASK) == 0, "non-page aligned base: 0x{:016X}", target);
290 290
291 VAddr target_end = target + size; 291 const VAddr target_end = target + size;
292 ASSERT(target_end >= target); 292 ASSERT(target_end >= target);
293 ASSERT(target_end <= MAX_ADDRESS); 293 ASSERT(target_end <= MAX_ADDRESS);
294 ASSERT(size > 0); 294 ASSERT(size > 0);
295 295
296 VMAIter begin_vma = StripIterConstness(FindVMA(target)); 296 VMAIter begin_vma = StripIterConstness(FindVMA(target));
297 VMAIter i_end = vma_map.lower_bound(target_end); 297 const VMAIter i_end = vma_map.lower_bound(target_end);
298 for (auto i = begin_vma; i != i_end; ++i) { 298 for (auto i = begin_vma; i != i_end; ++i) {
299 if (i->second.type == VMAType::Free) { 299 if (i->second.type == VMAType::Free) {
300 return ERR_INVALID_ADDRESS_STATE; 300 return ERR_INVALID_ADDRESS_STATE;
@@ -346,7 +346,7 @@ VMManager::VMAIter VMManager::SplitVMA(VMAIter vma_handle, u64 offset_in_vma) {
346} 346}
347 347
348VMManager::VMAIter VMManager::MergeAdjacent(VMAIter iter) { 348VMManager::VMAIter VMManager::MergeAdjacent(VMAIter iter) {
349 VMAIter next_vma = std::next(iter); 349 const VMAIter next_vma = std::next(iter);
350 if (next_vma != vma_map.end() && iter->second.CanBeMergedWith(next_vma->second)) { 350 if (next_vma != vma_map.end() && iter->second.CanBeMergedWith(next_vma->second)) {
351 iter->second.size += next_vma->second.size; 351 iter->second.size += next_vma->second.size;
352 vma_map.erase(next_vma); 352 vma_map.erase(next_vma);
@@ -382,22 +382,22 @@ void VMManager::UpdatePageTableForVMA(const VirtualMemoryArea& vma) {
382 } 382 }
383} 383}
384 384
385u64 VMManager::GetTotalMemoryUsage() { 385u64 VMManager::GetTotalMemoryUsage() const {
386 LOG_WARNING(Kernel, "(STUBBED) called"); 386 LOG_WARNING(Kernel, "(STUBBED) called");
387 return 0xF8000000; 387 return 0xF8000000;
388} 388}
389 389
390u64 VMManager::GetTotalHeapUsage() { 390u64 VMManager::GetTotalHeapUsage() const {
391 LOG_WARNING(Kernel, "(STUBBED) called"); 391 LOG_WARNING(Kernel, "(STUBBED) called");
392 return 0x0; 392 return 0x0;
393} 393}
394 394
395VAddr VMManager::GetAddressSpaceBaseAddr() { 395VAddr VMManager::GetAddressSpaceBaseAddr() const {
396 LOG_WARNING(Kernel, "(STUBBED) called"); 396 LOG_WARNING(Kernel, "(STUBBED) called");
397 return 0x8000000; 397 return 0x8000000;
398} 398}
399 399
400u64 VMManager::GetAddressSpaceSize() { 400u64 VMManager::GetAddressSpaceSize() const {
401 LOG_WARNING(Kernel, "(STUBBED) called"); 401 LOG_WARNING(Kernel, "(STUBBED) called");
402 return MAX_ADDRESS; 402 return MAX_ADDRESS;
403} 403}
diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h
index 38e4ebcd3..98bd04bea 100644
--- a/src/core/hle/kernel/vm_manager.h
+++ b/src/core/hle/kernel/vm_manager.h
@@ -190,16 +190,16 @@ public:
190 void LogLayout() const; 190 void LogLayout() const;
191 191
192 /// Gets the total memory usage, used by svcGetInfo 192 /// Gets the total memory usage, used by svcGetInfo
193 u64 GetTotalMemoryUsage(); 193 u64 GetTotalMemoryUsage() const;
194 194
195 /// Gets the total heap usage, used by svcGetInfo 195 /// Gets the total heap usage, used by svcGetInfo
196 u64 GetTotalHeapUsage(); 196 u64 GetTotalHeapUsage() const;
197 197
198 /// Gets the total address space base address, used by svcGetInfo 198 /// Gets the total address space base address, used by svcGetInfo
199 VAddr GetAddressSpaceBaseAddr(); 199 VAddr GetAddressSpaceBaseAddr() const;
200 200
201 /// Gets the total address space address size, used by svcGetInfo 201 /// Gets the total address space address size, used by svcGetInfo
202 u64 GetAddressSpaceSize(); 202 u64 GetAddressSpaceSize() const;
203 203
204 /// Each VMManager has its own page table, which is set as the main one when the owning process 204 /// Each VMManager has its own page table, which is set as the main one when the owning process
205 /// is scheduled. 205 /// is scheduled.