Fixed Proc_ReturnToUser's dependence on the structure of tThread

[tpg/acess2.git] / Kernel / arch / x86 / include / arch.h

diff --git a/Kernel/arch/x86/include/arch.h b/Kernel/arch/x86/include/arch.h
index 0fec144..eff85fc 100644 (file)
--- a/Kernel/arch/x86/include/arch.h
+++ b/Kernel/arch/x86/include/arch.h
@@ -58,7 +58,7 @@ static inline int IS_LOCKED(struct sShortSpinlock *Lock) {
 static inline void SHORTLOCK(struct sShortSpinlock *Lock) {
         int    v = 1;
         int    IF;
-       // int  val = GetCPUNum() + 1;
+       // int  cpu = GetCPUNum() + 1;
        
        // Save interrupt state and clear interrupts
        __ASM__ ("pushf;\n\tcli;\n\tpop %%eax" : "=a"(IF));
@@ -66,7 +66,7 @@ static inline void SHORTLOCK(struct sShortSpinlock *Lock) {
        
        // Wait for another CPU to release
        while(v)
-               __ASM__("xchgl %%ecx, (%%edi)":"=c"(v):"a"(1),"D"(&Lock->Lock));
+               __ASM__("xchgl %%eax, (%%edi)":"=a"(v):"a"(1),"D"(&Lock->Lock));
        
        Lock->IF = IF;
 }