summaryrefslogtreecommitdiffstats
path: root/include/services/trp/trp_helpers.h
blob: 8e786e21b0de8c53a931d69446c7c0b486f71ac8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
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 */