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/*
* 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);
/* TRP SMC result registers X0-X4 */
#define TRP_SMC_RESULT_REGS 5
struct trp_smc_result {
unsigned long long x[TRP_SMC_RESULT_REGS];
};
#endif /* __ASSEMBLER __ */
#endif /* TRP_HELPERS_H */
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