Merge pull request #1395 from lioncash/vm

process/vm_manager: Initial modifications to load NPDM metadata

1 files changed, 23 insertions, 7 deletions

diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 316b46820..6430daad4 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include <algorithm>
-#include <array>
 #include <cstring>
 #include <utility>
 
@@ -15,11 +14,11 @@
 #include "core/arm/arm_interface.h"
 #include "core/core.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/kernel/vm_manager.h"
 #include "core/hle/lock.h"
 #include "core/memory.h"
 #include "core/memory_setup.h"
 #include "video_core/renderer_base.h"
-#include "video_core/video_core.h"
 
 namespace Memory {
 
@@ -41,6 +40,21 @@ PageTable* GetCurrentPageTable() {
     return current_page_table;
 }
 
+PageTable::PageTable() = default;
+
+PageTable::PageTable(std::size_t address_space_width_in_bits) {
+    Resize(address_space_width_in_bits);
+}
+
+PageTable::~PageTable() = default;
+
+void PageTable::Resize(std::size_t address_space_width_in_bits) {
+    const std::size_t num_page_table_entries = 1ULL << (address_space_width_in_bits - PAGE_BITS);
+
+    pointers.resize(num_page_table_entries);
+    attributes.resize(num_page_table_entries);
+}
+
 static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, PageType type) {
     LOG_DEBUG(HW_Memory, "Mapping {} onto {:016X}-{:016X}", fmt::ptr(memory), base * PAGE_SIZE,
               (base + size) * PAGE_SIZE);
@@ -50,7 +64,7 @@ static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, Pa
 
     VAddr end = base + size;
     while (base != end) {
-        ASSERT_MSG(base < PAGE_TABLE_NUM_ENTRIES, "out of range mapping at {:016X}", base);
+        ASSERT_MSG(base < page_table.pointers.size(), "out of range mapping at {:016X}", base);
 
         page_table.attributes[base] = type;
         page_table.pointers[base] = memory;
@@ -323,7 +337,7 @@ void RasterizerFlushVirtualRegion(VAddr start, u64 size, FlushMode mode) {
         return;
     }
 
-    VAddr end = start + size;
+    const VAddr end = start + size;
 
     const auto CheckRegion = [&](VAddr region_start, VAddr region_end) {
         if (start >= region_end || end <= region_start) {
@@ -333,7 +347,7 @@ void RasterizerFlushVirtualRegion(VAddr start, u64 size, FlushMode mode) {
 
         const VAddr overlap_start = std::max(start, region_start);
         const VAddr overlap_end = std::min(end, region_end);
-        const u64 overlap_size = overlap_end - overlap_start;
+        const VAddr overlap_size = overlap_end - overlap_start;
 
         auto& rasterizer = system_instance.Renderer().Rasterizer();
         switch (mode) {
@@ -349,8 +363,10 @@ void RasterizerFlushVirtualRegion(VAddr start, u64 size, FlushMode mode) {
         }
     };
 
-    CheckRegion(PROCESS_IMAGE_VADDR, PROCESS_IMAGE_VADDR_END);
-    CheckRegion(HEAP_VADDR, HEAP_VADDR_END);
+    const auto& vm_manager = Core::CurrentProcess()->vm_manager;
+
+    CheckRegion(vm_manager.GetCodeRegionBaseAddress(), vm_manager.GetCodeRegionEndAddress());
+    CheckRegion(vm_manager.GetHeapRegionBaseAddress(), vm_manager.GetHeapRegionEndAddress());
 }
 
 u8 Read8(const VAddr addr) {