#ifndef _X86_ARCH_H
#define _X86_ARCH_H
+#ifndef SBCL_GENESIS_CONFIG
+#error genesis/config.h (or sbcl.h) must be included before this file
+#endif
+
#define ARCH_HAS_STACK_POINTER
/* FIXME: Do we also want
* here? (The answer wasn't obvious to me when merging the
* architecture-abstracting patches for CSR's SPARC port. -- WHN 2002-02-15) */
+extern never_returns lose(char *fmt, ...);
+
static inline void
-get_spinlock(lispobj *word,int value)
+get_spinlock(volatile lispobj *word,long value)
{
+#ifdef LISP_FEATURE_SB_THREAD
u32 eax=0;
+ if(*word==value)
+ lose("recursive get_spinlock: 0x%x,%ld\n",word,value);
do {
asm ("xor %0,%0\n\
lock cmpxchg %1,%2"
: "r" (value), "m" (*word)
: "memory", "cc");
} while(eax!=0);
+#else
+ *word=value;
+#endif
}
static inline void
-release_spinlock(lispobj *word)
+release_spinlock(volatile lispobj *word)
{
*word=0;
}