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ldr: Partially implement LoadNro.

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- This is an incomplete implementation. It was tested with Super Mario Party.
This commit is contained in:
bunnei 2018-10-23 18:52:01 -04:00
parent c2049aa4e5
commit cebce2a93a
1 changed files with 49 additions and 3 deletions
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52
src/core/hle/service/ldr/ldr.cpp
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@ -3,9 +3,13 @@
// Refer to the license.txt file included.
#include <memory>
#include <fmt/format.h>
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/ldr/ldr.h"
#include "core/hle/service/service.h"
#include "core/loader/nro.h"
namespace Service::LDR {
@ -59,16 +63,58 @@ public:
explicit RelocatableObject() : ServiceFramework{"ldr:ro"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "LoadNro"},
{0, &RelocatableObject::LoadNro, "LoadNro"},
{1, nullptr, "UnloadNro"},
{2, nullptr, "LoadNrr"},
{2, &RelocatableObject::LoadNrr, "LoadNrr"},
{3, nullptr, "UnloadNrr"},
{4, nullptr, "Initialize"},
{4, &RelocatableObject::Initialize, "Initialize"},
};
// clang-format on
RegisterHandlers(functions);
}
void LoadNrr(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_LDR, "(STUBBED) called");
}
void LoadNro(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
rp.Skip(2, false);
const VAddr nro_addr{rp.Pop<VAddr>()};
const u64 nro_size{rp.Pop<u64>()};
const VAddr bss_addr{rp.Pop<VAddr>()};
const u64 bss_size{rp.Pop<u64>()};
// Read NRO data from memory
std::vector<u8> nro_data(nro_size);
Memory::ReadBlock(nro_addr, nro_data.data(), nro_size);
// Load NRO as new executable module
const VAddr addr{*Core::CurrentProcess()->VMManager().FindFreeRegion(nro_size + bss_size)};
Loader::AppLoader_NRO::LoadNro(nro_data, fmt::format("nro-{:08x}", addr), addr);
// TODO(bunnei): This is an incomplete implementation. It was tested with Super Mario Party.
// It is currently missing:
// - Signature checks with LoadNRR
// - Checking if a module has already been loaded
// - Using/validating BSS, etc. params (these are used from NRO header instead)
// - Error checking
// - ...Probably other things
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push(addr);
LOG_WARNING(Service_LDR, "(STUBBED) called");
}
void Initialize(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service_LDR, "(STUBBED) called");
}
};
void InstallInterfaces(SM::ServiceManager& sm) {