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Implemented relocatable overlays (OoT runs)

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This commit is contained in:
Mr-Wiseguy 2023-02-04 00:14:03 -05:00
parent d2603ce07c
commit 602be9c2c6
8 changed files with 337 additions and 52 deletions
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12
test/src/overlays.cpp
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@ -27,6 +27,12 @@ void load_overlay(size_t section_table_index, int32_t ram) {
func_map[ram + func.offset] = func.func;
}
loaded_sections.emplace_back(ram, section_table_index);
section_addresses[section.index] = ram;
}
extern "C" {
int32_t section_addresses[num_sections];
}
extern "C" void load_overlays(uint32_t rom, int32_t ram_addr, uint32_t size) {
@ -69,6 +75,8 @@ extern "C" void unload_overlays(int32_t ram_addr, uint32_t size) {
uint32_t func_address = func.offset + it->loaded_ram_addr;
func_map.erase(func_address);
}
// Reset the section's address in the address table
section_addresses[section.index] = 0;
// Remove the section from the loaded section map
it = loaded_sections.erase(it);
// Skip incrementing the iterator
@ -79,6 +87,10 @@ extern "C" void unload_overlays(int32_t ram_addr, uint32_t size) {
}
void init_overlays() {
for (size_t section_index = 0; section_index < num_sections; section_index++) {
section_addresses[section_index] = section_table[section_index].ram_addr;
}
// Sort the executable sections by rom address
std::sort(&section_table[0], &section_table[num_sections],
[](const SectionTableEntry& a, const SectionTableEntry& b) {