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