diff --git a/source/hal/platform/simple/source/stubs_glcd.c b/source/hal/platform/simple/source/stubs_glcd.c
new file mode 100644
index 0000000..6b60dcd
--- /dev/null
+++ b/source/hal/platform/simple/source/stubs_glcd.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "stubs/glcd.h"
+#include "log_macros.h"
+
+#include <inttypes.h>
+
+void GLCD_Initialize(void) {}
+
+void GLCD_Bitmap(unsigned int x,  unsigned int y,
+    unsigned int w, unsigned int h, unsigned short *bitmap)
+{
+    UNUSED(x);
+    UNUSED(y);
+    UNUSED(w);
+    UNUSED(h);
+    UNUSED(bitmap);
+}
+
+void GLCD_Image(void *data, const unsigned int width, const unsigned int height,
+    const unsigned int channels, const unsigned int pos_x,
+    const unsigned int pos_y, const unsigned int downsample_factor)
+{
+    UNUSED(data);
+    UNUSED(pos_x);
+    UNUSED(pos_y);
+    UNUSED(width);
+    UNUSED(height);
+    UNUSED(channels);
+    UNUSED(downsample_factor);
+    debug("image display: (x, y, w, h) = "
+        "(%" PRIu32 ", %" PRIu32 ", %" PRIu32 ", %" PRIu32 ")\n",
+        pos_x, pos_y, width, height);
+    debug("image display: channels = %" PRIu32 ", downsample factor = %" PRIu32 "\n",
+        channels, downsample_factor);
+}
+
+void GLCD_Clear(unsigned short color)
+{
+    UNUSED(color);
+}
+
+void GLCD_SetTextColor(unsigned short color)
+{
+    UNUSED(color);
+}
+
+void GLCD_DisplayChar (unsigned int ln, unsigned int col, unsigned char fi,
+    unsigned char c)
+{
+    UNUSED(ln);
+    UNUSED(col);
+    UNUSED(fi);
+    UNUSED(c);
+}
+
+void GLCD_DisplayString(unsigned int ln, unsigned int col, unsigned char fi,
+    char *s)
+{
+    UNUSED(ln);
+    UNUSED(col);
+    UNUSED(fi);
+    UNUSED(s);
+    debug("text display: %s\n", s);
+}
+
+void GLCD_Box(unsigned int x, unsigned int y, unsigned int w, unsigned int h,
+    unsigned short color)
+{
+    UNUSED(x);
+    UNUSED(y);
+    UNUSED(w);
+    UNUSED(h);
+    UNUSED(color);
+}
diff --git a/source/hal/platform/simple/source/timer_simple_platform.c b/source/hal/platform/simple/source/timer_simple_platform.c
new file mode 100644
index 0000000..4bcd07b
--- /dev/null
+++ b/source/hal/platform/simple/source/timer_simple_platform.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "timer_simple_platform.h"
+
+#include "irqs.h"
+#include "log_macros.h"
+
+#include <inttypes.h>
+
+base_time_counter get_time_counter(void)
+{
+    base_time_counter t = {
+        .counter_systick = Get_SysTick_Cycle_Count()
+    };
+    debug("counter_systick: %" PRIu64 "\n", t.counter_systick);
+    return t;
+}
+
+void timer_reset(void)
+{
+    if (0 != Init_SysTick()) {
+        printf_err("Failed to initialise system tick config\n");
+    }
+    debug("system tick config ready\n");
+}
+
+uint64_t get_cycle_count_diff(base_time_counter *start,
+                              base_time_counter *end)
+{
+    if (start->counter_systick > end->counter_systick) {
+        warn("start > end; counter might have overflown\n");
+    }
+    return end->counter_systick - start->counter_systick;
+}
+
+void start_cycle_counter(void)
+{
+    /* Add any custom requirement for this platform here */
+}
+
+void stop_cycle_counter(void)
+{
+    /* Add any custom requirement for this platform here */
+}