1 /* 2 * Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef TRP_PRIVATE_H 8 #define TRP_PRIVATE_H 9 10 #include <services/rmmd_svc.h> 11 #include <trp_helpers.h> 12 13 /* Definitions for RMM-EL3 Interface ABI VERSION */ 14 #define TRP_RMM_EL3_ABI_VERS_MAJOR RMM_EL3_IFC_VERSION_MAJOR 15 #define TRP_RMM_EL3_ABI_VERS_MINOR RMM_EL3_IFC_VERSION_MINOR 16 #define TRP_RMM_EL3_ABI_VERS (((TRP_RMM_EL3_ABI_VERS_MAJOR & 0x7FFF) << 16) | \ 17 (TRP_RMM_EL3_ABI_VERS_MINOR & 0xFFFF)) 18 19 #define TRP_PLATFORM_CORE_COUNT PLATFORM_CORE_COUNT 20 21 #ifndef __ASSEMBLER__ 22 23 #include <stdint.h> 24 25 #define write_trp_arg(args, offset, val) (((args)->regs[offset >> 3]) \ 26 = val) 27 /* RMI SMC64 FIDs handled by the TRP */ 28 #define RMI_RMM_REQ_VERSION SMC64_RMI_FID(U(0)) 29 #define RMI_RMM_GRANULE_DELEGATE SMC64_RMI_FID(U(1)) 30 #define RMI_RMM_GRANULE_UNDELEGATE SMC64_RMI_FID(U(2)) 31 32 /* Definitions for RMI VERSION */ 33 #define RMI_ABI_VERSION_MAJOR U(0x0) 34 #define RMI_ABI_VERSION_MINOR U(0x0) 35 #define RMI_ABI_VERSION (((RMI_ABI_VERSION_MAJOR & 0x7FFF) \ 36 << 16) | \ 37 (RMI_ABI_VERSION_MINOR & 0xFFFF)) 38 39 #define TRP_RMM_EL3_VERSION_GET_MAJOR(x) \ 40 RMM_EL3_IFC_VERSION_GET_MAJOR((x)) 41 #define TRP_RMM_EL3_VERSION_GET_MINOR(x) \ 42 RMM_EL3_IFC_VERSION_GET_MAJOR_MINOR((x)) 43 44 /* Helper to issue SMC calls to BL31 */ 45 uint64_t trp_smc(trp_args_t *); 46 47 /* The main function to executed only by Primary CPU */ 48 void trp_main(void); 49 50 /* Setup TRP. Executed only by Primary CPU */ 51 void trp_setup(uint64_t x0, 52 uint64_t x1, 53 uint64_t x2, 54 uint64_t x3); 55 56 #endif /* __ASSEMBLER__ */ 57 #endif /* TRP_PRIVATE_H */ 58