Move com32.h to a subdirectory; we expect to have more stuff here...

1 files changed, 56 insertions, 0 deletions

diff --git a/com32/include/com32.h b/com32/include/com32.h
new file mode 100644
index 00000000..4b7266fd
--- /dev/null
+++ b/com32/include/com32.h
@@ -0,0 +1,56 @@
+/* ----------------------------------------------------------------------- *
+ *   Not Copyright 2002 H. Peter Anvin
+ *   This file is in the public domain.
+ * ----------------------------------------------------------------------- */
+
+/*
+ * com32.h
+ *
+ * Common declarations for com32 programs.
+ */
+
+#ifndef _COM32_H
+#define _COM32_H
+
+#include <stdint.h>
+
+/*
+ * This structure defines the register frame used by the
+ * system call interface.
+ *
+ * The syscall interface is:
+ *
+ * __syscall(<interrupt #>, <source regs>, <return regs>)
+ */
+typedef union {
+  uint32_t l;
+  uint16_t w[2];
+  uint8_t  b[4];
+} reg32_t;
+
+typedef struct {
+  uint16_t gs;			/* Offset  0 */
+  uint16_t fs;			/* Offset  2 */
+  uint16_t es;			/* Offset  4 */
+  uint16_t ds;			/* Offset  6 */
+
+  reg32_t edi;			/* Offset  8 */
+  reg32_t esi;			/* Offset 12 */
+  reg32_t ebp;			/* Offset 16 */
+  reg32_t _unused;		/* Offset 20 */
+  reg32_t ebx;			/* Offset 24 */
+  reg32_t edx;			/* Offset 28 */
+  reg32_t ecx;			/* Offset 32 */
+  reg32_t eax;			/* Offset 36 */
+
+  reg32_t eflags;		/* Offset 40 */
+} com32sys_t;
+
+/* The standard prototype for _start() */
+int _start(unsigned int __nargs,
+	   char *__cmdline,
+	   void (*__syscall)(uint8_t, com32sys_t *, com32sys_t *),
+	   void *__bounce_ptr,
+	   unsigned int __bounce_len);
+
+#endif /* _COM32_H */