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-rw-r--r--spm/cactus_mm/cactus_mm_main.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/spm/cactus_mm/cactus_mm_main.c b/spm/cactus_mm/cactus_mm_main.c
new file mode 100644
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+++ b/spm/cactus_mm/cactus_mm_main.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <console.h>
+#include <debug.h>
+#include <pl011.h>
+#include <platform_def.h>
+#include <secure_partition.h>
+#include <sp_helpers.h>
+#include <spm_svc.h>
+#include <std_svc.h>
+
+#include "cactus_mm.h"
+#include "cactus_mm_tests.h"
+
+
+/* Host machine information injected by the build system in the ELF file. */
+extern const char build_message[];
+extern const char version_string[];
+
+/*
+ * The ARM Trusted Firmware passes a description of the memory resources
+ * allocated to the secure partition through the x0 register. This maps to
+ * a secure_partition_boot_info_t structure type.
+ *
+ * This functions prints the information stored in this structure.
+ */
+static void cactus_print_memory_layout(const secure_partition_boot_info_t *boot_info)
+{
+ NOTICE("Secure Partition memory layout:\n");
+
+ NOTICE(" Secure Partition image : %p - %p\n",
+ (void *) boot_info->sp_image_base,
+ (void *)(boot_info->sp_image_base + boot_info->sp_image_size));
+ NOTICE(" Text region : %p - %p\n",
+ (void *) CACTUS_TEXT_START, (void *) CACTUS_TEXT_END);
+ NOTICE(" Read-only data region : %p - %p\n",
+ (void *) CACTUS_RODATA_START, (void *) CACTUS_RODATA_END);
+ NOTICE(" Read-write data region : %p - %p\n",
+ (void *) CACTUS_RWDATA_START, (void *) CACTUS_RWDATA_END);
+ NOTICE(" BSS region : %p - %p\n",
+ (void *) CACTUS_BSS_START, (void *) CACTUS_BSS_END);
+ NOTICE(" Unused SP image space : %p - %p\n",
+ (void *) CACTUS_BSS_END,
+ (void *)(boot_info->sp_image_base + boot_info->sp_image_size));
+
+ NOTICE(" EL3-EL0 shared buffer : %p - %p\n",
+ (void *) boot_info->sp_shared_buf_base,
+ (void *)(boot_info->sp_shared_buf_base + boot_info->sp_shared_buf_size));
+
+ NOTICE(" S-NS shared buffer : %p - %p\n",
+ (void *) boot_info->sp_ns_comm_buf_base,
+ (void *)(boot_info->sp_ns_comm_buf_base + boot_info->sp_ns_comm_buf_size));
+
+ assert(boot_info->sp_ns_comm_buf_base == ARM_SECURE_SERVICE_BUFFER_BASE);
+ assert(boot_info->sp_ns_comm_buf_size == ARM_SECURE_SERVICE_BUFFER_SIZE);
+
+ NOTICE(" Stacks region (%u CPUS) : %p - %p\n",
+ boot_info->num_cpus,
+ (void *) boot_info->sp_stack_base,
+ (void *)(boot_info->sp_stack_base +
+ (boot_info->sp_pcpu_stack_size * boot_info->num_cpus)));
+
+ NOTICE(" Heap region : %p - %p\n",
+ (void *) boot_info->sp_heap_base,
+ (void *)(boot_info->sp_heap_base + boot_info->sp_heap_size));
+
+ NOTICE("Total memory : %p - %p\n",
+ (void *) boot_info->sp_mem_base, (void *) boot_info->sp_mem_limit);
+}
+
+
+void __dead2 cactus_main(void *el3_el0_buffer, size_t el3_el0_buffer_size)
+{
+ console_init(PL011_UART2_BASE,
+ PL011_UART2_CLK_IN_HZ,
+ PL011_BAUDRATE);
+
+ NOTICE("Booting test Secure Partition Cactus\n");
+ NOTICE("%s\n", build_message);
+ NOTICE("%s\n", version_string);
+ NOTICE("Running at S-EL0\n");
+
+ const secure_partition_boot_info_t *boot_info =
+ (const secure_partition_boot_info_t *) el3_el0_buffer;
+
+ if (el3_el0_buffer_size < sizeof(secure_partition_boot_info_t)) {
+ ERROR("The memory buffer shared between EL3/S-EL0 is too small\n");
+ ERROR("It is %lu bytes, it should be at least %lu bytes\n",
+ el3_el0_buffer_size,
+ sizeof(secure_partition_boot_info_t));
+ panic();
+ }
+
+ if ((CACTUS_TEXT_START != boot_info->sp_image_base) ||
+ (CACTUS_RWDATA_END > boot_info->sp_image_base
+ + boot_info->sp_image_size)) {
+ ERROR("Cactus does not fit in the buffer allocated for the secure partition\n");
+ panic();
+ }
+
+ cactus_print_memory_layout(boot_info);
+
+
+ /*
+ * Run some initial tests.
+ *
+ * These are executed when the system is still booting, just after SPM
+ * has handed over to Cactus.
+ */
+ misc_tests();
+ system_setup_tests();
+ /*
+ * TODO: The following tests fail in the CI:
+ * mem_attr_changes_tests(boot_info);
+ */
+
+ /*
+ * Handle secure service requests.
+ */
+ secure_services_loop();
+}