1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2023, Arm Limited. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #include <stdint.h> 8*91f16700Schasinglulu 9*91f16700Schasinglulu #include <common/debug.h> 10*91f16700Schasinglulu #include <common/runtime_svc.h> 11*91f16700Schasinglulu 12*91f16700Schasinglulu #include <plat/arm/common/arm_sip_svc.h> 13*91f16700Schasinglulu #include <plat/common/platform.h> 14*91f16700Schasinglulu 15*91f16700Schasinglulu #if ENABLE_SPMD_LP 16*91f16700Schasinglulu #include <services/el3_spmd_logical_sp.h> 17*91f16700Schasinglulu #endif 18*91f16700Schasinglulu 19*91f16700Schasinglulu uintptr_t plat_arm_sip_handler(uint32_t smc_fid, 20*91f16700Schasinglulu u_register_t x1, 21*91f16700Schasinglulu u_register_t x2, 22*91f16700Schasinglulu u_register_t x3, 23*91f16700Schasinglulu u_register_t x4, 24*91f16700Schasinglulu void *cookie, 25*91f16700Schasinglulu void *handle, 26*91f16700Schasinglulu u_register_t flags) 27*91f16700Schasinglulu { 28*91f16700Schasinglulu #if PLAT_TEST_SPM 29*91f16700Schasinglulu bool secure_origin; 30*91f16700Schasinglulu 31*91f16700Schasinglulu /* Determine which security state this SMC originated from */ 32*91f16700Schasinglulu secure_origin = is_caller_secure(flags); 33*91f16700Schasinglulu 34*91f16700Schasinglulu switch (smc_fid) { 35*91f16700Schasinglulu case ARM_SIP_SET_INTERRUPT_PENDING: 36*91f16700Schasinglulu if (!secure_origin) { 37*91f16700Schasinglulu SMC_RET1(handle, SMC_UNK); 38*91f16700Schasinglulu } 39*91f16700Schasinglulu 40*91f16700Schasinglulu VERBOSE("SiP Call- Set interrupt pending %d\n", (uint32_t)x1); 41*91f16700Schasinglulu plat_ic_set_interrupt_pending(x1); 42*91f16700Schasinglulu 43*91f16700Schasinglulu SMC_RET1(handle, SMC_OK); 44*91f16700Schasinglulu break; /* Not reached */ 45*91f16700Schasinglulu default: 46*91f16700Schasinglulu break; 47*91f16700Schasinglulu } 48*91f16700Schasinglulu #endif 49*91f16700Schasinglulu 50*91f16700Schasinglulu #if ENABLE_SPMD_LP 51*91f16700Schasinglulu return plat_spmd_logical_sp_smc_handler(smc_fid, x1, x2, x3, x4, 52*91f16700Schasinglulu cookie, handle, flags); 53*91f16700Schasinglulu #else 54*91f16700Schasinglulu WARN("Unimplemented ARM SiP Service Call: 0x%x\n", smc_fid); 55*91f16700Schasinglulu SMC_RET1(handle, SMC_UNK); 56*91f16700Schasinglulu #endif 57*91f16700Schasinglulu } 58