Files
opensbi/include/sbi/sbi_scratch.h
Anup Patel e0d6914b3c include: Move RISCV_SCRATCH_xyz defines to sbi_scratch.h
The struct sbi_scratch related defines RISCV_SCRATCH_xyz should
be in sbi_scratch.h so that we can keep these defines in-sync
with changes in struct sbi_scratch.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
2019-01-02 09:57:12 +05:30

53 lines
1.4 KiB
C

/*
* 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>
#define SBI_SCRATCH_TMP0_OFFSET (0 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_FW_START_OFFSET (1 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_FW_SIZE_OFFSET (2 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_NEXT_ARG1_OFFSET (3 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_NEXT_ADDR_OFFSET (4 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_NEXT_MODE_OFFSET (5 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_WARMBOOT_ADDR_OFFSET (6 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_PLATFORM_ADDR_OFFSET (7 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_HARTID_TO_SCRATCH_OFFSET (8 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_IPI_TYPE_OFFSET (9 * __SIZEOF_POINTER__)
#define SBI_SCRATCH_SIZE 256
#ifndef __ASSEMBLY__
#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
#endif