Set up alien stack correctly on non-x86oids.

[sbcl.git] / src / runtime / mips-arch.h

diff --git a/src/runtime/mips-arch.h b/src/runtime/mips-arch.h
index ee04c3e..cedd280 100644 (file)
--- a/src/runtime/mips-arch.h
+++ b/src/runtime/mips-arch.h
@@ -1,8 +1,9 @@
 #ifndef _MIPS_ARCH_H
 #define _MIPS_ARCH_H
 
+#define ALIEN_STACK_GROWS_DOWNWARD
 
-static inline void 
+static inline void
 get_spinlock(volatile lispobj *word, long value)
 {
 #ifdef LISP_FEATURE_SB_THREAD
@@ -11,28 +12,28 @@ get_spinlock(volatile lispobj *word, long value)
     int __cmp;
 
     __asm__ __volatile__ (
-       "       .set push\n"
-       "       .set mips2\n"
-       "       .set noreorder\n"
-       "1:     ll      %[__prev],%[__mem]\n"
-       "       bne     %[__prev],%[__old],2f\n"
-       "        li     %[__cmp],0\n"
-       "       move    %[__cmp],%[__new]\n"
-       "       sc      %[__cmp],%[__mem]\n"
-       "       beqz    %[__cmp],1b\n"
-       "        nop\n"
-       "       sync\n"
-       "2:\n"
-       "       .set pop"
-       : [__prev] "=&r" (__prev),
-         [__cmp] "=&r" (__cmp)
-       : [__mem] "R" (*word),
-         [__old] "r" (__old),
-         [__new] "r" (value)
-       : "memory");
+        "       .set push\n"
+        "       .set mips2\n"
+        "       .set noreorder\n"
+        "1:     ll      %[__prev],%[__mem]\n"
+        "       bne     %[__prev],%[__old],2f\n"
+        "        li     %[__cmp],0\n"
+        "       move    %[__cmp],%[__new]\n"
+        "       sc      %[__cmp],%[__mem]\n"
+        "       beqz    %[__cmp],1b\n"
+        "        nop\n"
+        "       sync\n"
+        "2:\n"
+        "       .set pop"
+        : [__prev] "=&r" (__prev),
+          [__cmp] "=&r" (__cmp)
+        : [__mem] "R" (*word),
+          [__old] "r" (__old),
+          [__new] "r" (value)
+        : "memory");
 
-    if (!cmp) 
-       lose("recursive get_spinlock: 0x%x,%d\n", word, value);
+    if (!cmp)
+        lose("recursive get_spinlock: 0x%x,%d\n", word, value);
 #else /* LISP_FEATURE_SB_THREAD */
     *word=value;
 #endif
@@ -41,7 +42,23 @@ get_spinlock(volatile lispobj *word, long value)
 static inline void
 release_spinlock(volatile lispobj *word)
 {
+#ifdef LISP_FEATURE_SB_THREAD
+    __asm__ __volatile__ (
+        "       .set push\n"
+        "       .set mips2\n"
+        "       .set noreorder\n"
+        "       sw      $0,%[__mem]\n"
+        "       sync\n"
+        "       .set pop"
+        :
+        : [__mem] "R" (*word)
+        : "memory");
+#else /* LISP_FEATURE_SB_THREAD */
     *word=0;
+#endif
 }
 
+unsigned int arch_get_fp_control(void);
+void arch_set_fp_control(unsigned int fp);
+
 #endif /* _MIPS_ARCH_H */