Changeset 18536 in vbox for trunk/src/VBox/Runtime

Timestamp:

Mar 30, 2009 12:26:37 PM (16 years ago)

Author:

vboxsync

Message:

logbackdoor.cpp: Use ASMOutStrU8.

File:

• trunk/src/VBox/Runtime/VBox/logbackdoor.cpp (modified) (1 diff)

trunk/src/VBox/Runtime/VBox/logbackdoor.cpp

@@ -87 +87 @@
 RTDECL(void) RTLogWriteUser(const char *pch, size_t cb)
 {
-    const uint8_t *pu8;
-    for (pu8 = (const uint8_t *)pch; cb-- > 0; pu8++)
+    const uint8_t *pau8 = (const uint8_t *)pch;
+    if (cb > 1)
+        ASMOutStrU8(RTLOG_DEBUG_PORT, pau8, cb);
+    else if (cb)
         ASMOutU8(RTLOG_DEBUG_PORT, *pu8);
-    /** @todo a rep outs could be more efficient, I don't know...
-     * @code
-     * __asm {
-     *      mov     ecx, [cb]
-     *      mov     esi, [pch]
-     *      mov     dx, RTLOG_DEFAULT_PORT
-     *      rep outsb
-     * }
-     * @endcode
-     */
 }