VMManager: Introduce names for used ResultCodes

master
Yuri Kunde Schlesner 2015-07-17 22:34:50 +07:00
parent b9a9ad9742
commit 306408d174
2 changed files with 11 additions and 6 deletions

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

@ -14,6 +14,14 @@
namespace Kernel {
const ResultCode ERR_INVALID_ADDRESS{ // 0xE0E01BF5
ErrorDescription::InvalidAddress, ErrorModule::OS,
ErrorSummary::InvalidArgument, ErrorLevel::Usage};
const ResultCode ERR_INVALID_ADDRESS_STATE{ // 0xE0A01BF5
ErrorDescription::InvalidAddress, ErrorModule::OS,
ErrorSummary::InvalidState, ErrorLevel::Usage};
enum class VMAType : u8 {
/// VMA represents an unmapped region of the address space.
Free,