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-rw-r--r--sys/inc/mu/panic.h6
-rw-r--r--sys/inc/mu/process.h44
-rw-r--r--sys/inc/os/process.h15
3 files changed, 65 insertions, 0 deletions
diff --git a/sys/inc/mu/panic.h b/sys/inc/mu/panic.h
index 310e657..c96e844 100644
--- a/sys/inc/mu/panic.h
+++ b/sys/inc/mu/panic.h
@@ -33,6 +33,12 @@
#include <sys/types.h>
/*
+ * Used internally by the panic function to dump
+ * internal machine state.
+ */
+void mu_panic_dump(void);
+
+/*
* Used internally by the panic function and implemented
* per architecture to bring the system to a halt.
*/
diff --git a/sys/inc/mu/process.h b/sys/inc/mu/process.h
new file mode 100644
index 0000000..2e69140
--- /dev/null
+++ b/sys/inc/mu/process.h
@@ -0,0 +1,44 @@
+/*
+ * 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 _MU_PROCESS_H_
+#define _MU_PROCESS_H_
+
+#include <sys/types.h>
+#include <os/process.h>
+
+/*
+ * Initialize machine specific process fields
+ *
+ * @process: Process to initialize
+ * @ip: Instruction pointer
+ */
+int mu_process_init(struct process *process, uintptr_t ip, int flags);
+
+#endif /* !_MU_PROCESS_H_ */
diff --git a/sys/inc/os/process.h b/sys/inc/os/process.h
index 753779a..a2e3fdd 100644
--- a/sys/inc/os/process.h
+++ b/sys/inc/os/process.h
@@ -31,9 +31,13 @@
#define _OS_PROCESS_H_ 1
#include <sys/types.h>
+#include <sys/param.h>
#include <sys/queue.h>
#include <md/pcb.h> /* shared */
+/* Flags for proc_init() */
+#define PROC_KERN BIT(0) /* Kernel thread */
+
/*
* Represents a running process on the
* system
@@ -48,4 +52,15 @@ struct process {
TAILQ_ENTRY(process) link;
};
+/*
+ * Initialize a process to a known state
+ *
+ * @process: Process to initialize
+ * @ip: Instruction pointer to jump to
+ * @flags: Optional flags
+ *
+ * Returns zero on success
+ */
+int process_init(struct process *process, uintptr_t ip, int flags);
+
#endif /* !_OS_PROCESS_H_ */