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authorAnup Patel <anup.patel@wdc.com>2018-12-11 16:54:06 +0300
committerAnup Patel <anup@brainfault.org>2018-12-11 16:54:06 +0300
commit9e8ff05cb61f157fb0bcb6b0071d7b6dc0763faa (patch)
treeb9513a86b3b36e569cb46387846fee9c5544f566 /include/sbi/sbi_scratch.h
downloadopensbi-9e8ff05cb61f157fb0bcb6b0071d7b6dc0763faa.tar.xz
Initial commit.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Diffstat (limited to 'include/sbi/sbi_scratch.h')
-rw-r--r--include/sbi/sbi_scratch.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/sbi/sbi_scratch.h b/include/sbi/sbi_scratch.h
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+++ b/include/sbi/sbi_scratch.h
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+/*
+ * Copyright (c) 2018 Western Digital Corporation or its affiliates.
+ *
+ * Authors:
+ * Anup Patel <anup.patel@wdc.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#ifndef __SBI_SCRATCH_H__
+#define __SBI_SCRATCH_H__
+
+#include <sbi/riscv_asm.h>
+#include <sbi/sbi_types.h>
+
+struct sbi_scratch {
+ unsigned long tmp0;
+ unsigned long fw_start;
+ unsigned long fw_size;
+ unsigned long next_arg1;
+ unsigned long next_addr;
+ unsigned long next_mode;
+ unsigned long warmboot_addr;
+ unsigned long platform_addr;
+ unsigned long hartid_to_scratch;
+ unsigned long ipi_type;
+} __attribute__((packed));
+
+#define sbi_scratch_thishart_ptr() \
+((struct sbi_scratch *)csr_read(mscratch))
+
+#define sbi_scratch_thishart_arg1_ptr() \
+((void *)(sbi_scratch_thishart_ptr()->next_arg1))
+
+#endif