From a230a096864d12a070d6b572340386f0e08416f8 Mon Sep 17 00:00:00 2001
From: "Chloe M." <chloe@mensia.org>
Date: Tue, 23 Jun 2026 04:31:32 +0000
Subject: [PATCH] stos/amd64: Add trapframe defs

Signed-off-by: Chloe M. <chloe@mensia.org>
---
 paw/stos/head/arch/amd64/frame.h | 91 ++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 paw/stos/head/arch/amd64/frame.h

diff --git a/paw/stos/head/arch/amd64/frame.h b/paw/stos/head/arch/amd64/frame.h
new file mode 100644
index 0000000..62ea7a7
--- /dev/null
+++ b/paw/stos/head/arch/amd64/frame.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2026, Chloe M.
+ * Provided under the BSD-3 clause.
+ *
+ * Description: Trap frame defs
+ * Author:      Chloe M.
+ */
+
+#ifndef _MACHINE_FRAME_H_
+#define _MACHINE_FRAME_H_ 1
+
+#ifndef __ASSEMBLER__
+#include <stdef.h>
+#endif /* !__ASSEMBLER__ */
+
+#ifndef __ASSEMBLER__
+typedef struct PACKED {
+    UQUAD Vector;
+    UQUAD Rax;
+    UQUAD Rbx;
+    UQUAD Rcx;
+    UQUAD Rdx;
+    UQUAD Rsi;
+    UQUAD Rdi;
+    UQUAD Rbp;
+    UQUAD R8;
+    UQUAD R9;
+    UQUAD R10;
+    UQUAD R11;
+    UQUAD R12;
+    UQUAD R13;
+    UQUAD R14;
+    UQUAD R15;
+    /* Pushed by hardawre */
+    UQUAD ErrorCode;
+    UQUAD Rip;
+    UQUAD CodeSeg;
+    UQUAD Rflags;
+    UQUAD Rsp;
+    UQUAD StackSeg;
+} TRAP_FRAME;
+#else
+.macro PushFrame Vector
+    .if \Vector == 10 || \Vector == 11 || \Vector == 12 || \Vector == 13 \
+        || \Vector == 14
+        subq $8, %rsp
+    .endif
+
+    push %r15
+    push %r14
+    push %r13
+    push %r12
+    push %r11
+    push %r10
+    push %r9
+    push %r8
+    push %rbp
+    push %rdi
+    push %rsi
+    push %rdx
+    push %rcx
+    push %rbx
+    push %rax
+    push $\Vector
+.endm
+
+.macro PopFrame Vector
+    .if \Vector == 10 || \Vector == 11 || \Vector == 12 || \Vector == 13 \
+        || \Vector == 14
+        addq $8, %rsp
+    .endif
+
+    add $8, %rsp
+    pop %r15
+    pop %r14
+    pop %r13
+    pop %r12
+    pop %r11
+    pop %r10
+    pop %r9
+    pop %r8
+    pop %rbp
+    pop %rdi
+    pop %rsi
+    pop %rdx
+    pop %rcx
+    pop %rbx
+    pop %rax
+.endm
+#endif /* !__ASSEMBLER__ */
+#endif  /* !_MACHINE_FRAME_H_ */