From a524eb3846aac4d1b38f08cba49ff3503107042f Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Thu, 3 Apr 2025 12:31:21 -0400
Subject: move old kernel code (for now) into kernel/old, trying to get long
 mode

---
 kernel/old/include/syscalls.h | 80 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 kernel/old/include/syscalls.h

(limited to 'kernel/old/include/syscalls.h')

diff --git a/kernel/old/include/syscalls.h b/kernel/old/include/syscalls.h
new file mode 100644
index 0000000..27392a1
--- /dev/null
+++ b/kernel/old/include/syscalls.h
@@ -0,0 +1,80 @@
+/**
+** @file	syscalls.h
+**
+** @author	CSCI-452 class of 20245
+**
+** @brief	System call declarations
+*/
+
+#ifndef SYSCALLS_H_
+#define SYSCALLS_H_
+
+#include <common.h>
+
+/*
+** General (C and/or assembly) definitions
+*/
+
+/*
+** system call codes
+**
+** these are used in the user-level C library stub functions,
+** and are defined here as CPP macros instead of as an enum
+** so that they can be used from assembly
+*/
+
+#define SYS_exit 0
+#define SYS_waitpid 1
+#define SYS_fork 2
+#define SYS_exec 3
+#define SYS_read 4
+#define SYS_write 5
+#define SYS_getpid 6
+#define SYS_getppid 7
+#define SYS_gettime 8
+#define SYS_getprio 9
+#define SYS_setprio 10
+#define SYS_kill 11
+#define SYS_sleep 12
+
+// UPDATE THIS DEFINITION IF MORE SYSCALLS ARE ADDED!
+#define N_SYSCALLS 13
+
+// dummy system call code for testing our ISR
+#define SYS_bogus 0xbad
+
+// interrupt vector entry for system calls
+#define VEC_SYSCALL 0x80
+
+#ifndef ASM_SRC
+
+/*
+** Start of C-only definitions
+*/
+
+/*
+** Types
+*/
+
+/*
+** Globals
+*/
+
+/*
+** Prototypes
+*/
+
+#ifdef KERNEL_SRC
+
+/**
+** Name:  sys_init
+**
+** Syscall module initialization routine
+*/
+void sys_init(void);
+
+#endif /* KERNEL_SRC */
+
+#endif /* !ASM_SRC */
+
+#endif
-- 
cgit v1.2.3-freya