feat(rmmd): add support to create a boot manifest
This patch also adds an initial RMM Boot Manifest (v0.1) for fvp
platform.
Signed-off-by: Javier Almansa Sobrino <javier.almansasobrino@arm.com>
Change-Id: I1374f8f9cb207028f1820953cd2a5cf6d6c3b948
diff --git a/include/services/rmm_core_manifest.h b/include/services/rmm_core_manifest.h
new file mode 100644
index 0000000..2f25858
--- /dev/null
+++ b/include/services/rmm_core_manifest.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef RMM_CORE_MANIFEST_H
+#define RMM_CORE_MANIFEST_H
+
+#include <assert.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <lib/cassert.h>
+
+#define RMMD_MANIFEST_VERSION_MAJOR U(0)
+#define RMMD_MANIFEST_VERSION_MINOR U(1)
+
+/*
+ * Manifest version encoding:
+ * - Bit[31] RES0
+ * - Bits [30:16] Major version
+ * - Bits [15:0] Minor version
+ */
+#define _RMMD_MANIFEST_VERSION(_major, _minor) \
+ ((((_major) & 0x7FFF) << 16) | ((_minor) & 0xFFFF))
+
+#define RMMD_MANIFEST_VERSION _RMMD_MANIFEST_VERSION( \
+ RMMD_MANIFEST_VERSION_MAJOR, \
+ RMMD_MANIFEST_VERSION_MINOR)
+
+#define RMMD_GET_MANIFEST_VERSION_MAJOR(_version) \
+ ((_version >> 16) & 0x7FFF)
+
+#define RMMD_GET_MANIFEST_VERSION_MINOR(_version) \
+ (_version & 0xFFFF)
+
+/* Boot manifest core structure as per v0.1 */
+typedef struct rmm_manifest {
+ uint32_t version; /* Manifest version */
+ uintptr_t plat_data; /* Manifest platform data */
+} rmm_manifest_t;
+
+CASSERT(offsetof(rmm_manifest_t, version) == 0,
+ rmm_manifest_t_version_unaligned);
+CASSERT(offsetof(rmm_manifest_t, plat_data) == 8,
+ rmm_manifest_t_plat_data_unaligned);
+
+#endif /* RMM_CORE_MANIFEST_H */
diff --git a/include/services/trp/platform_trp.h b/include/services/trp/platform_trp.h
index b34da85..1c963c8 100644
--- a/include/services/trp/platform_trp.h
+++ b/include/services/trp/platform_trp.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -7,9 +7,11 @@
#ifndef PLATFORM_TRP_H
#define PLATFORM_TRP_H
+#include <services/rmm_core_manifest.h>
+
/*******************************************************************************
* Mandatory TRP functions (only if platform contains a TRP)
******************************************************************************/
-void trp_early_platform_setup(void);
+void trp_early_platform_setup(rmm_manifest_t *manifest);
#endif /* PLATFORM_TRP_H */
diff --git a/include/services/trp/trp_helpers.h b/include/services/trp/trp_helpers.h
new file mode 100644
index 0000000..8e786e2
--- /dev/null
+++ b/include/services/trp/trp_helpers.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef TRP_HELPERS_H
+#define TRP_HELPERS_H
+
+/* Definitions to help the assembler access the SMC/ERET args structure */
+#define TRP_ARGS_SIZE TRP_ARGS_END
+#define TRP_ARG0 0x0
+#define TRP_ARG1 0x8
+#define TRP_ARG2 0x10
+#define TRP_ARG3 0x18
+#define TRP_ARG4 0x20
+#define TRP_ARG5 0x28
+#define TRP_ARG6 0x30
+#define TRP_ARG7 0x38
+#define TRP_ARGS_END 0x40
+
+#ifndef __ASSEMBLER__
+
+#include <platform_def.h>
+
+/* Data structure to hold SMC arguments */
+typedef struct trp_args {
+ uint64_t regs[TRP_ARGS_END >> 3];
+} __aligned(CACHE_WRITEBACK_GRANULE) trp_args_t;
+
+trp_args_t *set_smc_args(uint64_t arg0,
+ uint64_t arg1,
+ uint64_t arg2,
+ uint64_t arg3,
+ uint64_t arg4,
+ uint64_t arg5,
+ uint64_t arg6,
+ uint64_t arg7);
+
+__dead2 void trp_boot_abort(uint64_t err);
+
+#endif /* __ASSEMBLER __ */
+#endif /* TRP_HELPERS_H */