From: H. Peter Anvin <hpa@zytor.com>
Date: Fri, 20 Jul 2007 22:30:55 +0000 (-0700)
Subject: com32: add a common zero-register structure
X-Git-Tag: syslinux-3.52-pre4~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c96f82c281fef6a12450ceab7afd35ce5dab34e5;p=profile%2Fivi%2Fsyslinux.git

com32: add a common zero-register structure

When we don't have any registers to pass, it's convenient to be able
to share a common all-zero structure.
---

diff --git a/com32/include/com32.h b/com32/include/com32.h
index f1df2d6..264f609 100644
--- a/com32/include/com32.h
+++ b/com32/include/com32.h
@@ -82,6 +82,7 @@ extern struct com32_sys_args {
 void __intcall(uint8_t __i, const com32sys_t *__sr, com32sys_t *__dr);
 void __farcall(uint16_t __es, uint16_t __eo,
 	       const com32sys_t *__sr, com32sys_t *__dr);
+extern const com32sys_t __com32_zero_regs;
 
 /*
  * These functions convert between linear pointers in the range