From 753666a333bb9ff0b8410cd729b9d06df85e0013 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Wed, 2 Apr 2025 09:38:22 -0400
Subject: kernel/aarch64: Add initial AARCH64 port
Signed-off-by: Ian Moffett <ian@osmora.org>
---
sys/include/arch/aarch64/frame.h | 96 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 96 insertions(+)
create mode 100644 sys/include/arch/aarch64/frame.h
(limited to 'sys/include/arch/aarch64/frame.h')
diff --git a/sys/include/arch/aarch64/frame.h b/sys/include/arch/aarch64/frame.h
new file mode 100644
index 0000000..ec11533
--- /dev/null
+++ b/sys/include/arch/aarch64/frame.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2023-2025 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_FRAME_H_
+#define _MACHINE_FRAME_H_
+
+#include <sys/types.h>
+
+typedef uint64_t lreg_t;
+
+/* General purpose registers */
+struct gpregs {
+ lreg_t x0;
+ lreg_t x1;
+ lreg_t x2;
+ lreg_t x3;
+ lreg_t x4;
+ lreg_t x5;
+ lreg_t x6;
+ lreg_t x7;
+ lreg_t x8;
+ lreg_t x9;
+ lreg_t x10;
+ lreg_t x11;
+ lreg_t x12;
+ lreg_t x13;
+ lreg_t x14;
+ lreg_t x15;
+ lreg_t x16;
+ lreg_t x17;
+ lreg_t x18;
+ lreg_t x19;
+ lreg_t x20;
+ lreg_t x21;
+ lreg_t x22;
+ lreg_t x23;
+ lreg_t x24;
+ lreg_t x25;
+ lreg_t x26;
+ lreg_t x27;
+ lreg_t x28;
+ lreg_t x29;
+ lreg_t x30;
+};
+
+/* Stack regs */
+struct sregs {
+ lreg_t sp_el0;
+ lreg_t sp_el1;
+ lreg_t sp_el2;
+};
+
+/* Program status */
+struct pstat {
+ lreg_t spsr_el1;
+ lreg_t spsr_el2;
+ lreg_t spsr_el3;
+};
+
+struct trapframe {
+ struct gpregs gp;
+ struct sregs stack;
+ struct pstat status;
+ lreg_t elr_el1;
+ lreg_t elr_el2;
+ lreg_t elr_el3;
+ lreg_t pc;
+};
+
+#endif /* !_MACHINE_FRAME_H_ */
--
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