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kern: begin 1.0.0 backwards compat changes (kips run, full boot fails)

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Michael Scire 2020-08-25 23:28:39 -07:00 • committed by SciresM
parent e8ffbe630f
commit 49af4fae32
6 changed files with 40 additions and 19 deletions
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8
libraries/libmesosphere/source/kern_initial_process.cpp
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@ -66,6 +66,10 @@ namespace ams::kern {
u8 *current = GetPointer<u8>(binary_address + sizeof(InitialProcessBinaryHeader));
const u8 * const end = GetPointer<u8>(binary_address + header.size - sizeof(KInitialProcessHeader));
/* Decide on pools to use. */
const auto unsafe_pool = static_cast<KMemoryManager::Pool>(KSystemControl::GetCreateProcessMemoryPool());
const auto secure_pool = (GetTargetFirmware() >= TargetFirmware_2_0_0) ? KMemoryManager::Pool_Secure : unsafe_pool;
const size_t num_processes = header.num_processes;
for (size_t i = 0; i < num_processes; i++) {
/* Validate that we can read the current KIP. */
@ -86,7 +90,7 @@ namespace ams::kern {
/* Allocate memory for the process. */
auto &mm = Kernel::GetMemoryManager();
const auto pool = reader.UsesSecureMemory() ? KMemoryManager::Pool_System : static_cast<KMemoryManager::Pool>(KSystemControl::GetInitialProcessBinaryPool());
const auto pool = reader.UsesSecureMemory() ? secure_pool : unsafe_pool;
MESOSPHERE_R_ABORT_UNLESS(mm.Allocate(std::addressof(pg), params.code_num_pages, KMemoryManager::EncodeOption(pool, KMemoryManager::Direction_FromFront)));
{
@ -164,7 +168,7 @@ namespace ams::kern {
MESOSPHERE_ABORT_UNLESS(Kernel::GetSystemResourceLimit().Reserve(ams::svc::LimitableResource_PhysicalMemoryMax, total_size));
/* Allocate memory for the image. */
const KMemoryManager::Pool pool = static_cast<KMemoryManager::Pool>(KSystemControl::GetInitialProcessBinaryPool());
const KMemoryManager::Pool pool = static_cast<KMemoryManager::Pool>(KSystemControl::GetCreateProcessMemoryPool());
const auto allocate_option = KMemoryManager::EncodeOption(pool, KMemoryManager::Direction_FromFront);
KVirtualAddress allocated_memory = mm.AllocateContinuous(num_pages, 1, allocate_option);
MESOSPHERE_ABORT_UNLESS(allocated_memory != Null<KVirtualAddress>);