1 // Copyright 2017 Citra Emulator Project
2 // Licensed under GPLv2 or any later version
3 // Refer to the license.txt file included.
4 
5 #include <catch2/catch.hpp>
6 #include "core/core.h"
7 #include "core/core_timing.h"
8 #include "core/hle/kernel/memory.h"
9 #include "core/hle/kernel/process.h"
10 #include "core/hle/kernel/shared_page.h"
11 #include "core/memory.h"
12 
13 TEST_CASE("Memory::IsValidVirtualAddress", "[core][memory]") {
14     Core::Timing timing(1, 100);
15     Memory::MemorySystem memory;
16     Kernel::KernelSystem kernel(
__anonf03c25740102null17         memory, timing, [] {}, 0, 1, 0);
18     SECTION("these regions should not be mapped on an empty process") {
19         auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
20         CHECK(Memory::IsValidVirtualAddress(*process, Memory::PROCESS_IMAGE_VADDR) == false);
21         CHECK(Memory::IsValidVirtualAddress(*process, Memory::HEAP_VADDR) == false);
22         CHECK(Memory::IsValidVirtualAddress(*process, Memory::LINEAR_HEAP_VADDR) == false);
23         CHECK(Memory::IsValidVirtualAddress(*process, Memory::VRAM_VADDR) == false);
24         CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == false);
25         CHECK(Memory::IsValidVirtualAddress(*process, Memory::SHARED_PAGE_VADDR) == false);
26         CHECK(Memory::IsValidVirtualAddress(*process, Memory::TLS_AREA_VADDR) == false);
27     }
28 
29     SECTION("CONFIG_MEMORY_VADDR and SHARED_PAGE_VADDR should be valid after mapping them") {
30         auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
31         kernel.MapSharedPages(process->vm_manager);
32         CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == true);
33         CHECK(Memory::IsValidVirtualAddress(*process, Memory::SHARED_PAGE_VADDR) == true);
34     }
35 
36     SECTION("special regions should be valid after mapping them") {
37         auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
38         SECTION("VRAM") {
39             kernel.HandleSpecialMapping(process->vm_manager,
40                                         {Memory::VRAM_VADDR, Memory::VRAM_SIZE, false, false});
41             CHECK(Memory::IsValidVirtualAddress(*process, Memory::VRAM_VADDR) == true);
42         }
43 
44         SECTION("IO (Not yet implemented)") {
45             kernel.HandleSpecialMapping(
46                 process->vm_manager, {Memory::IO_AREA_VADDR, Memory::IO_AREA_SIZE, false, false});
47             CHECK_FALSE(Memory::IsValidVirtualAddress(*process, Memory::IO_AREA_VADDR) == true);
48         }
49     }
50 
51     SECTION("Unmapping a VAddr should make it invalid") {
52         auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
53         kernel.MapSharedPages(process->vm_manager);
54         process->vm_manager.UnmapRange(Memory::CONFIG_MEMORY_VADDR, Memory::CONFIG_MEMORY_SIZE);
55         CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == false);
56     }
57 }
58