io.streams.256color: faster by caching styles

[factor.git] / vm / os-linux-arm.cpp

diff --git a/vm/os-linux-arm.cpp b/vm/os-linux-arm.cpp
index d8131f1ffb601c6b0fb2acec8b007ad1d2225b52..13ef08c17eab9af6aeb9fad875612968ca64bd85 100644 (file)
--- a/vm/os-linux-arm.cpp
+++ b/vm/os-linux-arm.cpp
@@ -1,26 +1,27 @@
 #include "master.hpp"
 
-void flush_icache(CELL start, CELL len)
-{
-       int result;
+namespace factor {
 
-       /* XXX: why doesn't this work on Nokia n800? It should behave
-       identically to the below assembly. */
-       /* result = syscall(__ARM_NR_cacheflush,start,start + len,0); */
+void flush_icache(cell start, cell len) {
+  int result;
 
-       /* Assembly swiped from
-       http://lists.arm.linux.org.uk/pipermail/linux-arm/2002-July/003931.html
-       */
-       __asm__ __volatile__ (
-               "mov     r0, %1\n"
-               "sub     r1, %2, #1\n"
-               "mov     r2, #0\n"
-               "swi     " __sys1(__ARM_NR_cacheflush) "\n"
-               "mov     %0, r0\n"
-               : "=r" (result)
-               : "r" (start), "r" (start + len)
-               : "r0","r1","r2");
+  // XXX: why doesn't this work on Nokia n800? It should behave
+  //      identically to the below assembly.
+  // result = syscall(__ARM_NR_cacheflush,start,start + len,0);
+
+  // Assembly swiped from
+  // http://lists.arm.linux.org.uk/pipermail/linux-arm/2002-July/003931.html
+  __asm__ __volatile__("mov     r0, %1\n"
+                       "sub     r1, %2, #1\n"
+                       "mov     r2, #0\n"
+                       "swi     " __sys1(__ARM_NR_cacheflush) "\n"
+                                                              "mov     %0, r0\n"
+                       : "=r"(result)
+                       : "r"(start), "r"(start + len)
+                       : "r0", "r1", "r2");
+
+  if (result < 0)
+    critical_error("flush_icache() failed", result);
+}
 
-       if(result < 0)
-               critical_error("flush_icache() failed",result);
 }