m1x/x86_64: Add trapframe structure

Signed-off-by: Ian Moffett <ian@mirocom.org>

.gitignore

@@ -1,5 +1,6 @@
 /var
 /src/boot/stand/
+/src/m1x/target/
 *.o
 *.d
 *.sys

src/m1x/Makefile

@@ -6,7 +6,12 @@
 include ../mk/default.mk
 
 .PHONY: all
-all: kern arch
+all: target kern arch
+
+.PHONY: target
+target:
+	mkdir -p target/machine/
+	rsync -avr include/arch/$(ARCH_TARGET)/*.h target/machine/
 
 .PHONY: kern
 kern:

src/m1x/include/arch/x86_64/frame.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2026, Mirocom Laboratories
+ * Provided under the BSD-3 clause
+ */
+
+#ifndef _MACHINE_FRAME_H_
+#define _MACHINE_FRAME_H_ 1
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+
+struct __packed trapframe {
+    /* Pushed by us */
+    uint64_t r8;
+    uint64_t r9;
+    uint64_t r10;
+    uint64_t r11;
+    uint64_t r12;
+    uint64_t r13;
+    uint64_t r14;
+    uint64_t r15;
+    uint64_t rbx;
+    uint64_t rbp;
+    uint64_t rax;
+    uint64_t rdx;
+    uint64_t rcx;
+    uint64_t rdi;
+    uint64_t rsi;
+    /* Pushed by hardware */
+    uint64_t error_code;
+    uint64_t rip;
+    uint64_t cs;
+    uint64_t rflags;
+    uint64_t rsp;
+    uint64_t ss;
+};
+
+#endif  /* !_MACHINE_FRAME_H_ */