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VMManager: Introduce names for used ResultCodes
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@ -167,15 +167,13 @@ ResultVal<VMManager::VMAIter> VMManager::CarveVMA(VAddr base, u32 size) {
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VMAIter vma_handle = StripIterConstness(FindVMA(base));
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if (vma_handle == vma_map.end()) {
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// Target address is outside the range managed by the kernel
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return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::OS,
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ErrorSummary::InvalidArgument, ErrorLevel::Usage); // 0xE0E01BF5
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return ERR_INVALID_ADDRESS;
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}
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VirtualMemoryArea& vma = vma_handle->second;
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if (vma.type != VMAType::Free) {
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// Region is already allocated
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return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::OS,
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ErrorSummary::InvalidState, ErrorLevel::Usage); // 0xE0A01BF5
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return ERR_INVALID_ADDRESS_STATE;
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}
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u32 start_in_vma = base - vma.base;
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@ -183,8 +181,7 @@ ResultVal<VMManager::VMAIter> VMManager::CarveVMA(VAddr base, u32 size) {
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if (end_in_vma > vma.size) {
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// Requested allocation doesn't fit inside VMA
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return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::OS,
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ErrorSummary::InvalidState, ErrorLevel::Usage); // 0xE0A01BF5
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return ERR_INVALID_ADDRESS_STATE;
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}
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if (end_in_vma != vma.size) {
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@ -14,6 +14,14 @@
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namespace Kernel {
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const ResultCode ERR_INVALID_ADDRESS{ // 0xE0E01BF5
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ErrorDescription::InvalidAddress, ErrorModule::OS,
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ErrorSummary::InvalidArgument, ErrorLevel::Usage};
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const ResultCode ERR_INVALID_ADDRESS_STATE{ // 0xE0A01BF5
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ErrorDescription::InvalidAddress, ErrorModule::OS,
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ErrorSummary::InvalidState, ErrorLevel::Usage};
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enum class VMAType : u8 {
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/// VMA represents an unmapped region of the address space.
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Free,
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