lib: Move sbi core library to lib/sbi

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Acked-by: Anup Patel <anup.patel@wdc.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/lib/sbi/sbi_system.c b/lib/sbi/sbi_system.c
new file mode 100644
index 0000000..2cb30d4
--- /dev/null
+++ b/lib/sbi/sbi_system.c
@@ -0,0 +1,45 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2019 Western Digital Corporation or its affiliates.
+ *
+ * Authors:
+ *   Anup Patel <anup.patel@wdc.com>
+ *   Nick Kossifidis <mick@ics.forth.gr>
+ */
+
+#include <sbi/sbi_hart.h>
+#include <sbi/sbi_platform.h>
+#include <sbi/sbi_system.h>
+#include <sbi/sbi_ipi.h>
+
+int sbi_system_early_init(struct sbi_scratch *scratch, bool cold_boot)
+{
+	return sbi_platform_early_init(sbi_platform_ptr(scratch), cold_boot);
+}
+
+int sbi_system_final_init(struct sbi_scratch *scratch, bool cold_boot)
+{
+	return sbi_platform_final_init(sbi_platform_ptr(scratch), cold_boot);
+}
+
+void __attribute__((noreturn))
+sbi_system_reboot(struct sbi_scratch *scratch, u32 type)
+
+{
+	sbi_platform_system_reboot(sbi_platform_ptr(scratch), type);
+	sbi_hart_hang();
+}
+
+void __attribute__((noreturn))
+sbi_system_shutdown(struct sbi_scratch *scratch, u32 type)
+{
+	/* First try the platform-specific method */
+	sbi_platform_system_shutdown(sbi_platform_ptr(scratch), type);
+
+	/* If that fails (or is not implemented) send an IPI on every
+	 * hart to hang and then hang the current hart */
+	sbi_ipi_send_many(scratch, NULL, NULL, SBI_IPI_EVENT_HALT, NULL);
+
+	sbi_hart_hang();
+}