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authorLioncash <mathew1800@gmail.com>2018-12-15 21:21:41 +0100
committerLioncash <mathew1800@gmail.com>2018-12-19 16:59:40 +0100
commitcaab838bdbdb08ba7a41a85a77f00432621666d2 (patch)
tree2fd7bf76132273ddafb9063fa0255dfcaf5a697a /src/core/hle/kernel
parentvm_manager: Add member function for setting memory attributes across an address range (diff)
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Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r--src/core/hle/kernel/svc.cpp51
1 files changed, 46 insertions, 5 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 348a22904..c826dfd96 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -254,11 +254,52 @@ static ResultCode SetMemoryPermission(VAddr addr, u64 size, u32 prot) {
return vm_manager.ReprotectRange(addr, size, converted_permissions);
}
-static ResultCode SetMemoryAttribute(VAddr addr, u64 size, u32 state0, u32 state1) {
- LOG_WARNING(Kernel_SVC,
- "(STUBBED) called, addr=0x{:X}, size=0x{:X}, state0=0x{:X}, state1=0x{:X}", addr,
- size, state0, state1);
- return RESULT_SUCCESS;
+static ResultCode SetMemoryAttribute(VAddr address, u64 size, u32 mask, u32 attribute) {
+ LOG_DEBUG(Kernel_SVC,
+ "called, address=0x{:016X}, size=0x{:X}, mask=0x{:08X}, attribute=0x{:08X}", address,
+ size, mask, attribute);
+
+ if (!Common::Is4KBAligned(address)) {
+ LOG_ERROR(Kernel_SVC, "Address not page aligned (0x{:016X})", address);
+ return ERR_INVALID_ADDRESS;
+ }
+
+ if (size == 0 || !Common::Is4KBAligned(size)) {
+ LOG_ERROR(Kernel_SVC, "Invalid size (0x{:X}). Size must be non-zero and page aligned.",
+ size);
+ return ERR_INVALID_ADDRESS;
+ }
+
+ if (!IsValidAddressRange(address, size)) {
+ LOG_ERROR(Kernel_SVC, "Address range overflowed (Address: 0x{:016X}, Size: 0x{:016X})",
+ address, size);
+ return ERR_INVALID_ADDRESS_STATE;
+ }
+
+ const auto mem_attribute = static_cast<MemoryAttribute>(attribute);
+ const auto mem_mask = static_cast<MemoryAttribute>(mask);
+ const auto attribute_with_mask = mem_attribute | mem_mask;
+
+ if (attribute_with_mask != mem_mask) {
+ LOG_ERROR(Kernel_SVC,
+ "Memory attribute doesn't match the given mask (Attribute: 0x{:X}, Mask: {:X}",
+ attribute, mask);
+ return ERR_INVALID_COMBINATION;
+ }
+
+ if ((attribute_with_mask | MemoryAttribute::Uncached) != MemoryAttribute::Uncached) {
+ LOG_ERROR(Kernel_SVC, "Specified attribute isn't equal to MemoryAttributeUncached (8).");
+ return ERR_INVALID_COMBINATION;
+ }
+
+ auto& vm_manager = Core::CurrentProcess()->VMManager();
+ if (!IsInsideAddressSpace(vm_manager, address, size)) {
+ LOG_ERROR(Kernel_SVC,
+ "Given address (0x{:016X}) is outside the bounds of the address space.", address);
+ return ERR_INVALID_ADDRESS_STATE;
+ }
+
+ return vm_manager.SetMemoryAttribute(address, size, mem_mask, mem_attribute);
}
/// Maps a memory range into a different range.