Patch for stlink issue 65

0001-Fixed-error-about-strexh-and-strexb-using-the-same-r.patch

From 7341a316c38a61cc745ce04e618916677007883b Mon Sep 17 00:00:00 2001
From: Timothy Brom <thb@timbrom.com>
Date: Wed, 29 Feb 2012 11:29:55 -0500
Subject: [PATCH] Fixed error about strexh and strexb using the same register

---
 example/libs_stm/inc/core_support/core_cm3.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/example/libs_stm/inc/core_support/core_cm3.c b/example/libs_stm/inc/core_support/core_cm3.c
index 56fddc5..0e8c3c4 100644
--- a/example/libs_stm/inc/core_support/core_cm3.c
+++ b/example/libs_stm/inc/core_support/core_cm3.c
@@ -733,7 +733,7 @@ uint32_t __STREXB(uint8_t value, uint8_t *addr)
 {
    uint32_t result=0;
   
-   __ASM volatile ("strexb %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
+   __ASM volatile ("strexb %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
    return(result);
 }
 
@@ -750,7 +750,7 @@ uint32_t __STREXH(uint16_t value, uint16_t *addr)
 {
    uint32_t result=0;
   
-   __ASM volatile ("strexh %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
+   __ASM volatile ("strexh %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
    return(result);
 }
 
-- 
1.7.5.4

thanks works fine

It works for me. Thanks a lot 👍

Big help, Thanks!!

I manually changed the values. Worked like charm. but how to apply the patch?

That works!!! 😀 How did you figure out this!!!

great，Thanks a lot!!!

thanks, works for me