From 0441853d0f82ce244f2fa1dec61f64e86304e636 Mon Sep 17 00:00:00 2001 From: Liam Date: Wed, 11 Oct 2023 11:39:09 -0400 Subject: k_page_table: implement PermissionLocked --- src/core/hle/kernel/svc/svc_memory.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'src/core/hle/kernel/svc') diff --git a/src/core/hle/kernel/svc/svc_memory.cpp b/src/core/hle/kernel/svc/svc_memory.cpp index 2cab74127..372684094 100644 --- a/src/core/hle/kernel/svc/svc_memory.cpp +++ b/src/core/hle/kernel/svc/svc_memory.cpp @@ -108,10 +108,16 @@ Result SetMemoryAttribute(Core::System& system, u64 address, u64 size, u32 mask, R_UNLESS((address < address + size), ResultInvalidCurrentMemory); // Validate the attribute and mask. - constexpr u32 SupportedMask = static_cast(MemoryAttribute::Uncached); + constexpr u32 SupportedMask = + static_cast(MemoryAttribute::Uncached | MemoryAttribute::PermissionLocked); R_UNLESS((mask | attr) == mask, ResultInvalidCombination); R_UNLESS((mask | attr | SupportedMask) == SupportedMask, ResultInvalidCombination); + // Check that permission locked is either being set or not masked. + R_UNLESS((static_cast(mask) & Svc::MemoryAttribute::PermissionLocked) == + (static_cast(attr) & Svc::MemoryAttribute::PermissionLocked), + ResultInvalidCombination); + // Validate that the region is in range for the current process. auto& page_table{GetCurrentProcess(system.Kernel()).GetPageTable()}; R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory); -- cgit v1.2.3