From 6be3295a03136c4a512ba2054f57d1784331f122 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Tue, 18 Nov 2025 15:31:32 -0500 Subject: kern: Add initial process definitions Signed-off-by: Ian Moffett --- sys/inc/arch/amd64/pcb.h | 47 ++++++++++++++++++++++++++++++++++++++++++++ sys/inc/os/process.h | 51 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 98 insertions(+) create mode 100644 sys/inc/arch/amd64/pcb.h create mode 100644 sys/inc/os/process.h (limited to 'sys') diff --git a/sys/inc/arch/amd64/pcb.h b/sys/inc/arch/amd64/pcb.h new file mode 100644 index 0000000..7b3e3d3 --- /dev/null +++ b/sys/inc/arch/amd64/pcb.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2025 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _MACHINE_PCB_H_ +#define _MACHINE_PCB_H_ 1 + +#include +#include + +/* + * Represents the process control block + * + * @vas: Virtual address space in-use + * @tf: Trapframe snapshot + */ +struct pcb { + struct mmu_vas vas; + struct trapframe tf; +}; + +#endif /* !_MACHINE_PCB_H_ */ diff --git a/sys/inc/os/process.h b/sys/inc/os/process.h new file mode 100644 index 0000000..753779a --- /dev/null +++ b/sys/inc/os/process.h @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2025 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _OS_PROCESS_H_ +#define _OS_PROCESS_H_ 1 + +#include +#include +#include /* shared */ + +/* + * Represents a running process on the + * system + * + * @pid: Process ID + * @pcb: Process control block + * @link: Queue link + */ +struct process { + pid_t pid; + struct pcb pcb; + TAILQ_ENTRY(process) link; +}; + +#endif /* !_OS_PROCESS_H_ */ -- cgit v1.2.3