[PATCH 15/79] PlatformPkg/Library: NULL instance of RiscVOpensbiPlatformLib

["Abner Chang" <abner.chang@hpe.com>]

(This is migrated from edk2-platforms:Platform/RISC-V)
NULL instance of RiscVOpensbiPlatformLib.

Signed-off-by: Abner Chang <abner.chang@hpe.com>
Co-authored-by: Gilbert Chen <gilbert.chen@hpe.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Gilbert Chen <gilbert.chen@hpe.com>
---
 .../OpensbiPlatformLibNull.inf                | 38 ++++++++++++++++
 .../Library/OpensbiPlatformLibNull/Platform.c | 44 +++++++++++++++++++
 2 files changed, 82 insertions(+)
 create mode 100644 Platform/RISC-V/PlatformPkg/Library/OpensbiPlatformLibNull/OpensbiPlatformLibNull.inf
 create mode 100644 Platform/RISC-V/PlatformPkg/Library/OpensbiPlatformLibNull/Platform.c

diff --git a/Platform/RISC-V/PlatformPkg/Library/OpensbiPlatformLibNull/OpensbiPlatformLibNull.inf b/Platform/RISC-V/PlatformPkg/Library/OpensbiPlatformLibNull/OpensbiPlatformLibNull.inf
new file mode 100644
index 0000000000..125a1220bc
--- /dev/null
+++ b/Platform/RISC-V/PlatformPkg/Library/OpensbiPlatformLibNull/OpensbiPlatformLibNull.inf
@@ -0,0 +1,38 @@
+## @file
+#  RISC-V OpenSbi Platform NULL Library
+#
+#  Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x0001001b
+  BASE_NAME                      = RiscVOpensbiPlatformLibNull
+  FILE_GUID                      = 9424ED54-EBDA-4FB5-8FF6-8291B07BB151
+  MODULE_TYPE                    = SEC
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = RiscVOpensbiPlatformLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = RISCV64
+#
+
+[Sources]
+  Platform.c
+
+[Packages]
+  MdeModulePkg/MdeModulePkg.dec
+  MdePkg/MdePkg.dec
+  Silicon/RISC-V/ProcessorPkg/RiscVProcessorPkg.dec
+
+[LibraryClasses]
+  BaseLib
+  BaseMemoryLib
+  DebugLib
+  DebugAgentLib
+
+
diff --git a/Platform/RISC-V/PlatformPkg/Library/OpensbiPlatformLibNull/Platform.c b/Platform/RISC-V/PlatformPkg/Library/OpensbiPlatformLibNull/Platform.c
new file mode 100644
index 0000000000..e78d811f4c
--- /dev/null
+++ b/Platform/RISC-V/PlatformPkg/Library/OpensbiPlatformLibNull/Platform.c
@@ -0,0 +1,44 @@
+/*
+ *
+ * Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2019 Western Digital Corporation or its affiliates.
+ *
+ * Authors:
+ *   Atish Patra <atish.patra@wdc.com>
+ */
+
+#include <sbi/sbi_const.h>
+#include <sbi/sbi_platform.h>
+
+const struct sbi_platform_operations platform_ops = {
+    .pmp_region_count   = NULL,
+    .pmp_region_info    = NULL,
+    .final_init         = NULL,
+    .console_putc       = NULL,
+    .console_getc       = NULL,
+    .console_init       = NULL,
+    .irqchip_init       = NULL,
+    .ipi_send           = NULL,
+    .ipi_clear          = NULL,
+    .ipi_init           = NULL,
+    .timer_value        = NULL,
+    .timer_event_stop   = NULL,
+    .timer_event_start  = NULL,
+    .timer_init         = NULL,
+    .system_reboot      = NULL,
+    .system_shutdown    = NULL
+};
+
+const struct sbi_platform platform = {
+    .opensbi_version    = OPENSBI_VERSION,                      // The OpenSBI version this platform table is built bassed on.
+    .platform_version   = SBI_PLATFORM_VERSION(0x0000, 0x0000), // SBI Platform version 1.0
+    .name               = "NULL platform",
+    .features           = 0,
+    .hart_count         = 0,
+    .hart_stack_size    = 0,
+    .disabled_hart_mask = 0,
+    .platform_ops_addr  = 0
+};
-- 
2.31.1