mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-04-16 01:24:27 +00:00
e8ce60aeb1
Change-Id: I2ae9b3bb686c41b2e138132a7bed107925ac861e Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/*
|
|
* Copyright (c) 2018, Arm Limited. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <debug.h>
|
|
#include <smccc.h>
|
|
#include <smccc_helpers.h>
|
|
#include <spci_svc.h>
|
|
#include <utils.h>
|
|
|
|
#include "spm_private.h"
|
|
|
|
/*******************************************************************************
|
|
* This function handles all SMCs in the range reserved for SPCI.
|
|
******************************************************************************/
|
|
uint64_t spci_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2,
|
|
uint64_t x3, uint64_t x4, void *cookie, void *handle,
|
|
uint64_t flags)
|
|
{
|
|
uint32_t spci_fid;
|
|
|
|
/* SPCI only supported from the Non-secure world for now */
|
|
if (is_caller_non_secure(flags) == SMC_FROM_SECURE) {
|
|
SMC_RET1(handle, SMC_UNK);
|
|
}
|
|
|
|
if ((smc_fid & SPCI_FID_TUN_FLAG) == 0) {
|
|
|
|
/* Miscellaneous calls */
|
|
|
|
spci_fid = (smc_fid >> SPCI_FID_MISC_SHIFT) & SPCI_FID_MISC_MASK;
|
|
|
|
switch (spci_fid) {
|
|
|
|
case SPCI_FID_VERSION:
|
|
SMC_RET1(handle, SPCI_VERSION_COMPILED);
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
} else {
|
|
|
|
/* Tunneled calls */
|
|
|
|
}
|
|
|
|
WARN("SPCI: Unsupported call 0x%08x\n", smc_fid);
|
|
SMC_RET1(handle, SPCI_NOT_SUPPORTED);
|
|
}
|