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fix memory direct query

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i wish there were tests for this
This commit is contained in:
martin 2024-09-03 20:21:38 -04:00
parent ab60f290dc
commit 5535e51f82
1 changed files with 10 additions and 6 deletions
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14
src/core/memory.cpp
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@ -332,15 +332,19 @@ int MemoryManager::DirectMemoryQuery(PAddr addr, bool find_next,
std::scoped_lock lk{mutex};
auto dmem_area = FindDmemArea(addr);
while (dmem_area != dmem_map.end() && dmem_area->second.is_free && find_next) {
dmem_area++;
}
if (dmem_area == dmem_map.end() || dmem_area->second.is_free) {
if (addr >= dmem_area->second.base + dmem_area->second.size) {
if (!find_next) {
LOG_ERROR(Core, "Unable to find allocated direct memory region to query!");
return ORBIS_KERNEL_ERROR_EACCES;
}
dmem_area++;
if (dmem_area == dmem_map.end()) {
LOG_ERROR(Core, "Unable to find allocated direct memory region to query!");
return ORBIS_KERNEL_ERROR_EACCES;
}
}
const auto& area = dmem_area->second;
out_info->start = area.base;
out_info->end = area.GetEnd();