From 610f91d87152cbe48d3054fcf437d8239da6ef35 Mon Sep 17 00:00:00 2001 From: Amlal Date: Sat, 21 Dec 2024 21:59:13 +0100 Subject: IMP: :boom: Breaking changes some checks are needed to be done. Signed-off-by: Amlal --- dev/Kernel/src/CodeMgr.cc | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 dev/Kernel/src/CodeMgr.cc (limited to 'dev/Kernel/src/CodeMgr.cc') diff --git a/dev/Kernel/src/CodeMgr.cc b/dev/Kernel/src/CodeMgr.cc new file mode 100644 index 00000000..4a3fdcf1 --- /dev/null +++ b/dev/Kernel/src/CodeMgr.cc @@ -0,0 +1,38 @@ +/* ------------------------------------------- + + Copyright (C) 2024, TQ B.V, all rights reserved. + +------------------------------------------- */ + +#include +#include +#include + +namespace Kernel +{ + /// @brief Executes a new process from a function. Kernel code only. + /// @note This sets up a new stack, anything on the main function that calls the Kernel will not be accessible. + /// @param main the start of the process. + /// @return if the process was started or not. + ProcessID rtl_create_process(rtl_main_kind main, const Char* process_name) noexcept + { + if (*process_name == 0) + return kProcessInvalidID; + + UserProcess* process_hdr = new UserProcess(); + + process_hdr->Image.fCode = reinterpret_cast(main); + process_hdr->Kind = UserProcess::kExectuableKind; + process_hdr->StackSize = kib_cast(8); + + rt_set_memory(process_hdr->Name, 0, kProcessNameLen); + rt_copy_memory((VoidPtr)process_name, process_hdr->Name, rt_string_len(process_name)); + + ProcessID id = UserProcessScheduler::The().Spawn(process_hdr); + + if (id == kProcessInvalidID) + delete process_hdr; + + return id; + } +} // namespace Kernel -- cgit v1.2.3