Lightemerald/windows-user-space-emulator
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Support initial memory protection

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This commit is contained in:
momo5502
2025-04-13 17:59:47 +02:00
committed by Maurice Heumann
parent c4ba1e992f
commit 4f8c374b01
4 changed files with 13 additions and 4 deletions
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5
src/windows-emulator/memory_manager.cpp
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@@ -78,6 +78,7 @@ namespace utils
static void serialize(buffer_serializer& buffer, const memory_manager::reserved_region& region)
{
buffer.write(region.is_mmio);
buffer.write(region.initial_permission);
buffer.write<uint64_t>(region.length);
buffer.write_map(region.committed_regions);
}
@@ -85,6 +86,7 @@ namespace utils
static void deserialize(buffer_deserializer& buffer, memory_manager::reserved_region& region)
{
buffer.read(region.is_mmio);
buffer.read(region.initial_permission);
region.length = static_cast<size_t>(buffer.read<uint64_t>());
buffer.read_map(region.committed_regions);
}
@@ -258,6 +260,7 @@ bool memory_manager::allocate_memory(const uint64_t address, const size_t size,
.try_emplace(address,
reserved_region{
.length = size,
.initial_permission = permissions,
})
.first;
@@ -497,6 +500,7 @@ region_info memory_manager::get_region_info(const uint64_t address)
result.start = MIN_ALLOCATION_ADDRESS;
result.length = MAX_ALLOCATION_ADDRESS - result.start;
result.permissions = memory_permission::none;
result.initial_permissions = memory_permission::none;
result.allocation_base = {};
result.allocation_length = result.length;
result.is_committed = false;
@@ -532,6 +536,7 @@ region_info memory_manager::get_region_info(const uint64_t address)
result.allocation_length = reserved_region.length;
result.start = result.allocation_base;
result.length = result.allocation_length;
result.initial_permissions = entry->second.initial_permission;
if (committed_regions.empty())
{