Changeset 37040 in vbox

Timestamp:

May 11, 2011 4:42:48 PM (14 years ago)

Author:

vboxsync

Message:

RTThreadPreemptIsPending/darwin: Try to unbreak this on AMD64.

File:

• trunk/src/VBox/Runtime/r0drv/darwin/threadpreempt-r0drv-darwin.cpp (modified) (2 diffs)

trunk/src/VBox/Runtime/r0drv/darwin/threadpreempt-r0drv-darwin.cpp

@@ -108 +108 @@
     /* HACK ALERT! This ASSUMES that the cpu_pending_ast member of cpu_data_t doesn't move. */
     uint32_t ast_pending;
-#if 1
+#if defined(RT_ARCH_X86) || defined(RT_ARCH_AMD64)
     __asm__ volatile("movl %%gs:%P1,%0\n\t"
                      : "=r" (ast_pending)
-                     : "i"  (7*sizeof(void*) + 7*sizeof(int)));
+                     : "i"  (7*sizeof(void*) + (7 + (ARCH_BITS == 64)) *sizeof(int)) );
 #else
+# error fixme.
     cpu_data_t *pCpu = current_cpu_datap(void);
     AssertCompileMemberOffset(cpu_data_t, cpu_pending_ast, 7*sizeof(void*) + 7*sizeof(int));
@@ -124 +125 @@
 RTDECL(bool) RTThreadPreemptIsPendingTrusty(void)
 {
-    /* yes, we think thaat RTThreadPreemptIsPending is reliable... */
+    /* yes, we think that RTThreadPreemptIsPending is reliable... */
     return true;
 }