Kernel: make config_mem and MapSharedPages members of KernelSystem

This commit is contained in:
Weiyi Wang
2018-10-25 10:51:00 -04:00
parent 95790218f2
commit 773ec47629
8 changed files with 37 additions and 21 deletions

View File

@ -41,7 +41,7 @@ static const u32 memory_region_sizes[8][3] = {
{0x0B200000, 0x02E00000, 0x02000000}, // 7
};
void MemoryInit(u32 mem_type) {
void KernelSystem::MemoryInit(u32 mem_type) {
// TODO(yuriks): On the n3DS, all o3DS configurations (<=5) are forced to 6 instead.
ASSERT_MSG(mem_type <= 5, "New 3DS memory configuration aren't supported yet!");
ASSERT(mem_type != 1);
@ -64,7 +64,8 @@ void MemoryInit(u32 mem_type) {
// We must've allocated the entire FCRAM by the end
ASSERT(base == Memory::FCRAM_SIZE);
using ConfigMem::config_mem;
config_mem_handler = std::make_unique<ConfigMem::Handler>();
auto& config_mem = config_mem_handler->GetConfigMem();
config_mem.app_mem_type = mem_type;
// app_mem_malloc does not always match the configured size for memory_region[0]: in case the
// n3DS type override is in effect it reports the size the game expects, not the real one.
@ -152,12 +153,13 @@ void HandleSpecialMapping(VMManager& address_space, const AddressMapping& mappin
mapping.read_only ? VMAPermission::Read : VMAPermission::ReadWrite);
}
void MapSharedPages(VMManager& address_space) {
auto cfg_mem_vma = address_space
.MapBackingMemory(Memory::CONFIG_MEMORY_VADDR,
reinterpret_cast<u8*>(&ConfigMem::config_mem),
Memory::CONFIG_MEMORY_SIZE, MemoryState::Shared)
.Unwrap();
void KernelSystem::MapSharedPages(VMManager& address_space) {
auto cfg_mem_vma =
address_space
.MapBackingMemory(Memory::CONFIG_MEMORY_VADDR,
reinterpret_cast<u8*>(&config_mem_handler->GetConfigMem()),
Memory::CONFIG_MEMORY_SIZE, MemoryState::Shared)
.Unwrap();
address_space.Reprotect(cfg_mem_vma, VMAPermission::Read);
auto shared_page_vma =