summaryrefslogtreecommitdiffstats
path: root/include/bl1/bl1.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--include/bl1/bl1.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/include/bl1/bl1.h b/include/bl1/bl1.h
new file mode 100644
index 0000000..21d3ae7
--- /dev/null
+++ b/include/bl1/bl1.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef BL1_H
+#define BL1_H
+
+#include <common/bl_common.h>
+
+/*
+ * Defines for BL1 SMC function ids.
+ */
+#define BL1_SMC_CALL_COUNT 0x0
+#define BL1_SMC_UID 0x1
+/* SMC #0x2 reserved */
+#define BL1_SMC_VERSION 0x3
+
+/*
+ * Corresponds to the function ID of the SMC that
+ * the BL1 exception handler service to execute BL31.
+ */
+#define BL1_SMC_RUN_IMAGE 0x4
+
+/*
+ * BL1 SMC version
+ */
+#define BL1_SMC_MAJOR_VER UL(0x0)
+#define BL1_SMC_MINOR_VER UL(0x1)
+
+/*
+ * Defines for FWU SMC function ids.
+ */
+
+#define FWU_SMC_IMAGE_COPY 0x10
+#define FWU_SMC_IMAGE_AUTH 0x11
+#define FWU_SMC_IMAGE_EXECUTE 0x12
+#define FWU_SMC_IMAGE_RESUME 0x13
+#define FWU_SMC_SEC_IMAGE_DONE 0x14
+#define FWU_SMC_UPDATE_DONE 0x15
+#define FWU_SMC_IMAGE_RESET 0x16
+
+/*
+ * Number of FWU calls (above) implemented
+ */
+#define FWU_NUM_SMC_CALLS 7
+
+#if TRUSTED_BOARD_BOOT
+# define BL1_NUM_SMC_CALLS (FWU_NUM_SMC_CALLS + 4)
+#else
+# define BL1_NUM_SMC_CALLS 4
+#endif
+
+/*
+ * The macros below are used to identify FWU
+ * calls from the SMC function ID
+ */
+#define FWU_SMC_FID_START FWU_SMC_IMAGE_COPY
+#define FWU_SMC_FID_END FWU_SMC_IMAGE_RESET
+#define is_fwu_fid(_fid) \
+ ((_fid >= FWU_SMC_FID_START) && (_fid <= FWU_SMC_FID_END))
+
+#ifndef __ASSEMBLER__
+
+#include <lib/cassert.h>
+
+struct entry_point_info;
+
+u_register_t bl1_smc_wrapper(uint32_t smc_fid,
+ void *cookie,
+ void *handle,
+ unsigned int flags);
+
+u_register_t bl1_smc_handler(unsigned int smc_fid,
+ u_register_t x1,
+ u_register_t x2,
+ u_register_t x3,
+ u_register_t x4,
+ void *cookie,
+ void *handle,
+ unsigned int flags);
+
+void bl1_print_next_bl_ep_info(const struct entry_point_info *bl_ep_info);
+
+void bl1_setup(void);
+void bl1_main(void);
+void bl1_plat_prepare_exit(entry_point_info_t *ep_info);
+
+/*
+ * Check if the total number of FWU SMC calls are as expected.
+ */
+CASSERT(FWU_NUM_SMC_CALLS == \
+ (FWU_SMC_FID_END - FWU_SMC_FID_START + 1),\
+ assert_FWU_NUM_SMC_CALLS_mismatch);
+
+/* Utility functions */
+void bl1_calc_bl2_mem_layout(const meminfo_t *bl1_mem_layout,
+ meminfo_t *bl2_mem_layout);
+
+#endif /* __ASSEMBLER__ */
+#endif /* BL1_H */