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kern: add minimum alignment support to KMemoryManager

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Michael Scire 2024-10-09 21:36:49 -07:00 • committed by SciresM
parent ff38a32a9b
commit 912b84c4e3
7 changed files with 58 additions and 16 deletions
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6
libraries/libmesosphere/source/svc/kern_svc_process.cpp
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@ -296,7 +296,9 @@ namespace ams::kern::svc {
Result StartProcess(ams::svc::Handle process_handle, int32_t priority, int32_t core_id, uint64_t main_thread_stack_size) {
/* Validate stack size. */
R_UNLESS(main_thread_stack_size == static_cast<size_t>(main_thread_stack_size), svc::ResultOutOfMemory());
const uint64_t aligned_stack_size = util::AlignUp(main_thread_stack_size, Kernel::GetMemoryManager().GetMinimumAlignment(GetCurrentProcess().GetMemoryPool()));
R_UNLESS(aligned_stack_size >= main_thread_stack_size, svc::ResultOutOfMemory());
R_UNLESS(aligned_stack_size == static_cast<size_t>(aligned_stack_size), svc::ResultOutOfMemory());
/* Get the target process. */
KScopedAutoObject process = GetCurrentProcess().GetHandleTable().GetObject<KProcess>(process_handle);
@ -314,7 +316,7 @@ namespace ams::kern::svc {
process->SetIdealCoreId(core_id);
/* Run the process. */
R_RETURN(process->Run(priority, static_cast<size_t>(main_thread_stack_size)));
R_RETURN(process->Run(priority, static_cast<size_t>(aligned_stack_size)));
}
Result TerminateProcess(ams::svc::Handle process_handle) {