Import hyra expt

1 files changed, 103 insertions, 0 deletions

diff --git a/sys/include/arch/amd64/frameasm.h b/sys/include/arch/amd64/frameasm.h
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+/*
+ * Copyright (c) 2023-2024 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_FRAMEASM_H_
+#define _MACHINE_FRAMEASM_H_
+
+/*
+ * If the interrupt has an error code, this macro shall
+ * be used to create the trapframe.
+ *
+ * XXX: A trapframe created with this must be popped with
+ *      pop_trapframe_ec
+ */
+.macro push_trapframe_ec trapno
+    push %r15
+    push %r14
+    push %r13
+    push %r12
+    push %r11
+    push %r10
+    push %r9
+    push %r8
+    push %rbp
+    push %rdi
+    push %rsi
+    push %rbx
+    push %rdx
+    push %rcx
+    push %rax
+    push \trapno
+.endm
+
+/*
+ * If the interrupt has an error code, this macro shall
+ * be used to cleanup the trapframe.
+ */
+.macro pop_trapframe_ec
+    add $8, %rsp        /* Trapno */
+    pop %rax
+    pop %rcx
+    pop %rdx
+    pop %rbx
+    pop %rsi
+    pop %rdi
+    pop %rbp
+    pop %r8
+    pop %r9
+    pop %r10
+    pop %r11
+    pop %r12
+    pop %r13
+    pop %r14
+    pop %r15
+.endm
+
+/*
+ * If the interrupt has no error code, this macro
+ * shall be used to create the trapframe.
+ *
+ * XXX: A trapframe created with this must be popped
+ *      with pop_trapframe
+ */
+.macro push_trapframe trapno
+    push $0
+    push_trapframe_ec \trapno
+.endm
+
+
+/*
+ * If the interrupt has no error code, this macro shall
+ * be used to cleanup the trapframe.
+ */
+.macro pop_trapframe
+    pop_trapframe_ec
+    add $8, %rsp        /* Pop error code */
+.endm
+#endif  /* !_MACHINE_FRAMEASM_H_ */