Add the SCP-firmware framework

Please see doc/framework.md for details.

Co-authored-by: Filipe Rinaldi <filipe.rinaldi@arm.com>
Co-authored-by: Paul Beesley <paul.beesley@arm.com>
Co-authored-by: Chris Kay <chris.kay@arm.com>
Co-authored-by: Elieva Pignat <elieva.pignat@arm.com>
Co-authored-by: Pedro Custodio <pedro.krewinkelcustodio@arm.com>

Change-Id: I1744c60eca295c60b3fabcfafb522fbff5d7306c
Signed-off-by: Ronald Cron <ronald.cron@arm.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/arch/src/host.c b/arch/src/host.c
new file mode 100644
index 00000000..7682a2b8
--- /dev/null
+++ b/arch/src/host.c
@@ -0,0 +1,51 @@
+/*
+ * Arm SCP/MCP Software
+ * Copyright (c) 2015-2018, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fwk_arch.h>
+#include <fwk_errno.h>
+
+extern int host_interrupt_init(struct fwk_arch_interrupt_driver **driver);
+
+/*
+ * Catches early failures in the initialization.
+ */
+static void __attribute__((noreturn)) panic(void)
+{
+    printf("Panic!\n");
+    exit(1);
+}
+
+static int mm_init(struct fwk_arch_mm_data *data)
+{
+    const size_t size = 1024 * 1024; /* 1MB of heap */
+    void *mem;
+
+    mem = malloc(size);
+    if (mem == NULL)
+        return FWK_E_NOMEM;
+
+    data->start = (uintptr_t)mem;
+    data->size = size;
+
+    return FWK_SUCCESS;
+}
+
+static const struct fwk_arch_init_driver arch_init_driver = {
+    .mm = mm_init,
+    .interrupt = host_interrupt_init,
+};
+
+int main(void)
+{
+    int status;
+
+    status = fwk_arch_init(&arch_init_driver);
+    if (status != FWK_SUCCESS)
+        panic();
+}