32 bit syscall fix (Juergen Keil)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2189 c046a42c-6fe2-441c-8c8c-71466251a162

kqemu.c

@@ -470,9 +470,13 @@ static int do_syscall(CPUState *env,
     selector = (env->star >> 32) & 0xffff;
 #ifdef __x86_64__
     if (env->hflags & HF_LMA_MASK) {
+        int code64;
+
         env->regs[R_ECX] = kenv->next_eip;
         env->regs[11] = env->eflags;
 
+        code64 = env->hflags & HF_CS64_MASK;
+
         cpu_x86_set_cpl(env, 0);
         cpu_x86_load_seg_cache(env, R_CS, selector & 0xfffc, 
                                0, 0xffffffff, 
@@ -485,7 +489,7 @@ static int do_syscall(CPUState *env,
                                DESC_S_MASK |
                                DESC_W_MASK | DESC_A_MASK);
         env->eflags &= ~env->fmask;
-        if (env->hflags & HF_CS64_MASK)
+        if (code64)
             env->eip = env->lstar;
         else
             env->eip = env->cstar;