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ro: implement rest of LoadNrr/LoadNrrEx

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This commit is contained in:
Michael Scire 2019-04-21 05:28:57 -07:00
parent cb88fdfd62
commit 4ba6d8b24c
7 changed files with 589 additions and 32 deletions
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58
stratosphere/ro/source/ro_registration.cpp
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@ -20,6 +20,8 @@
#include <stratosphere.hpp>
#include "ro_registration.hpp"
#include "ro_map.hpp"
#include "ro_nrr.hpp"
/* Declare process contexts as global array. */
static Registration::RoProcessContext g_process_contexts[Registration::MaxSessions] = {};
@ -45,6 +47,18 @@ void Registration::Initialize() {
}
}
bool Registration::ShouldEaseNroRestriction() {
bool should_ease = false;
if (R_FAILED(setsysGetSettingsItemValue("ro", "ease_nro_restriction", &should_ease, sizeof(should_ease)))) {
return false;
}
/* Nintendo only allows easing restriction on dev, we will allow on production, as well. */
/* should_ease &= g_is_development_function_enabled; */
return should_ease;
}
Result Registration::RegisterProcess(RoProcessContext **out_context, Handle process_handle, u64 process_id) {
/* Check if a process context already exists. */
for (size_t i = 0; i < Registration::MaxSessions; i++) {
@ -132,7 +146,7 @@ Result Registration::LoadNrr(RoProcessContext *context, u64 title_id, u64 nrr_ad
/* Map. */
NrrHeader *header = nullptr;
u64 mapped_code_address = 0;
Result rc = MapAndValidateNrr(&header, &mapped_code_address, context->process_handle, title_id, nrr_address, nrr_size);
Result rc = MapAndValidateNrr(&header, &mapped_code_address, context->process_handle, title_id, nrr_address, nrr_size, expected_type, enforce_type);
if (R_FAILED(rc)) {
return rc;
}
@ -179,9 +193,45 @@ Result Registration::UnloadNrr(RoProcessContext *context, u64 nrr_address) {
return UnmapNrr(context->process_handle, nrr_info.header, nrr_info.nrr_heap_address, nrr_info.nrr_heap_size, nrr_info.mapped_code_address);
}
Result Registration::MapAndValidateNrr(NrrHeader **out_header, u64 *out_mapped_code_address, Handle process_handle, u64 title_id, u64 nrr_heap_address, u64 nrr_heap_size) {
/* TODO */
return ResultKernelConnectionClosed;
Result Registration::MapAndValidateNrr(NrrHeader **out_header, u64 *out_mapped_code_address, Handle process_handle, u64 title_id, u64 nrr_heap_address, u64 nrr_heap_size, RoModuleType expected_type, bool enforce_type) {
Result rc;
MappedCodeMemory nrr_mcm;
/* First, map the NRR. */
if (R_FAILED((rc = MapUtils::MapCodeMemoryForProcess(nrr_mcm, process_handle, true, nrr_heap_address, nrr_heap_size)))) {
if (GetRuntimeFirmwareVersion() < FirmwareVersion_300) {
/* Try mapping as 32-bit, since we might have guessed wrong on < 3.0.0. */
rc = MapUtils::MapCodeMemoryForProcess(nrr_mcm, process_handle, false, nrr_heap_address, nrr_heap_size);
}
if (R_FAILED(rc)) {
return rc;
}
}
const u64 code_address = nrr_mcm.GetDstAddress();
u64 map_address;
if (R_FAILED(MapUtils::LocateSpaceForMap(&map_address, nrr_heap_size))) {
return ResultRoInsufficientAddressSpace;
}
/* Nintendo...does not check the return value of this map. We will check, instead of aborting if it fails. */
AutoCloseMap nrr_map(map_address, process_handle, code_address, nrr_heap_size);
if (!nrr_map.IsSuccess()) {
return nrr_map.GetResult();
}
NrrHeader *nrr_header = reinterpret_cast<NrrHeader *>(map_address);
if (R_FAILED((rc = NrrUtils::ValidateNrr(nrr_header, nrr_heap_size, title_id, expected_type, enforce_type)))) {
return rc;
}
/* Invalidation here actually prevents them from unmapping at scope exit. */
nrr_map.Invalidate();
nrr_mcm.Invalidate();
*out_header = nrr_header;
*out_mapped_code_address = code_address;
return ResultSuccess;
}
Result Registration::UnmapNrr(Handle process_handle, const NrrHeader *header, u64 nrr_heap_address, u64 nrr_heap_size, u64 mapped_code_address) {