add mallocator module

hake/menu.lst.armv8_a57_qemu

@@ -7,5 +7,6 @@ cpudriver /armv8/sbin/cpu_a57_qemu loglevel=3 serial=0x9000000 logmask=128
 module  /armv8/sbin/init
 module /armv8/sbin/hello spawn
 module /armv8/sbin/memeater
+module /armv8/sbin/mallocator
 
 # End of file, this needs to have a certain length...

hake/menu.lst.armv8_imx8x

@@ -7,3 +7,4 @@ cpudriver /armv8/sbin/cpu_imx8x
 module  /armv8/sbin/init
 module /armv8/sbin/hello spawn
 module /armv8/sbin/memeater
+module /armv8/sbin/mallocator

lib/grading/test_threads.c

@@ -4,5 +4,10 @@
 
 void do_test_threads(void) {
     debug_printf("[do_test_threads]\n");
+
+    struct spawninfo *si = malloc(sizeof(struct spawninfo));
+    domainid_t *pid = malloc(sizeof(domainid_t));
+
+    CHECK_ERR(spawn_load_by_name("mallocator", si, pid));
 }
 

platforms/Hakefile

@@ -12,7 +12,7 @@
 
 let
     -- Default list of modules to build/install
-    modules_common = [ "/sbin/" ++ f | f <- [ "init", "hello", "memeater"
+    modules_common = [ "/sbin/" ++ f | f <- [ "init", "hello", "memeater", "mallocator"
       ] ]
   in
   [

usr/mallocator/Hakefile

@@ -0,0 +1,18 @@
+--------------------------------------------------------------------------
+-- Copyright (c) 2007-2010, ETH Zurich.
+-- All rights reserved.
+--
+-- This file is distributed under the terms in the attached LICENSE file.
+-- If you do not find this file, copies can be found by writing to:
+-- ETH Zurich D-INFK, Haldeneggsteig 4, CH-8092 Zurich. Attn: Systems Group.
+--
+-- Hakefile for /usr/init
+--
+--------------------------------------------------------------------------
+
+[ build application 
+  { 
+    target = "mallocator",
+    cFiles = [ "main.c" ]
+  }
+]

usr/mallocator/main.c

@@ -0,0 +1,33 @@
+/**
+ * \file
+ * \brief process that allocates some memory to test page faulting and page mapping
+ */
+
+/*
+ * Copyright (c) 2016, ETH Zurich.
+ * All rights reserved.
+ *
+ * This file is distributed under the terms in the attached LICENSE file.
+ * If you do not find this file, copies can be found by writing to:
+ * ETH Zurich D-INFK, Universitaetsstrasse 6, CH-8092 Zurich. Attn: Systems Group.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <aos/aos.h>
+#include <aos/paging.h>
+
+int main(int argc, char *argv[])
+{
+    //allocate a 256 byte buffer
+    // char * small_buf = malloc(256);
+    // small_buf[0] = 'a';
+    //allocate a 256 MiB buffer
+    char * big_buf = malloc(1<<28);
+    big_buf[0] = 'a';
+    for (int i = 0; i < (1 << 14); i += 4096) {
+        printf("%x\n", i);
+        big_buf[i] = 'b';
+    }
+}