Core: Properly configure address space when loading a binary

The code now properly configures the process image to match the loaded
binary segments (code, rodata, data) instead of just blindly allocating
a large chunk of dummy memory.

1 files changed, 5 insertions, 9 deletions

diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp
index d8cae50d..cbe993fb 100644
--- a/src/core/mem_map.cpp
+++ b/src/core/mem_map.cpp
@@ -32,7 +32,6 @@ struct MemoryArea {
 
 // We don't declare the IO regions in here since its handled by other means.
 static MemoryArea memory_areas[] = {
-    {PROCESS_IMAGE_VADDR, PROCESS_IMAGE_MAX_SIZE, "Process Image"}, // ExeFS:/.code is loaded here
     {HEAP_VADDR,          HEAP_SIZE,              "Heap"},          // Application heap (main memory)
     {SHARED_MEMORY_VADDR, SHARED_MEMORY_SIZE,     "Shared Memory"}, // Shared memory
     {LINEAR_HEAP_VADDR,   LINEAR_HEAP_SIZE,       "Linear Heap"},   // Linear heap (main memory)
@@ -132,13 +131,13 @@ VAddr PhysicalToVirtualAddress(const PAddr addr) {
     return addr | 0x80000000;
 }
 
-// TODO(yuriks): Move this into Process
-static Kernel::VMManager address_space;
-
 void Init() {
-    using namespace Kernel;
-
     InitMemoryMap();
+    LOG_DEBUG(HW_Memory, "initialized OK");
+}
+
+void InitLegacyAddressSpace(Kernel::VMManager& address_space) {
+    using namespace Kernel;
 
     for (MemoryArea& area : memory_areas) {
         auto block = std::make_shared<std::vector<u8>>(area.size);
@@ -152,14 +151,11 @@ void Init() {
     auto shared_page_vma = address_space.MapBackingMemory(SHARED_PAGE_VADDR,
             (u8*)&SharedPage::shared_page, SHARED_PAGE_SIZE, MemoryState::Shared).MoveFrom();
     address_space.Reprotect(shared_page_vma, VMAPermission::Read);
-
-    LOG_DEBUG(HW_Memory, "initialized OK");
 }
 
 void Shutdown() {
     heap_map.clear();
     heap_linear_map.clear();
-    address_space.Reset();
 
     LOG_DEBUG(HW_Memory, "shutdown OK");
 }