90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/*
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* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <arch.h>
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#include <arch_helpers.h>
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#include <assert.h>
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#include <console.h>
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#include <debug.h>
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#include <mmio.h>
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#include <mt_cpuxgpt.h>
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#include <mtk_sip_svc.h>
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#include <plat_private.h>
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#include <platform.h>
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#include <platform_def.h>
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#include <mtk_plat_common.h>
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#include <runtime_svc.h>
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#include <xlat_tables.h>
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/*******************************************************************************
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* SIP top level handler for servicing SMCs.
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******************************************************************************/
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uint64_t mediatek_plat_sip_handler(uint32_t smc_fid,
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uint64_t x1,
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uint64_t x2,
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uint64_t x3,
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uint64_t x4,
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void *cookie,
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void *handle,
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uint64_t flags)
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{
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uint64_t rc = 0;
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uint32_t ns;
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/* Determine which security state this SMC originated from */
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ns = is_caller_non_secure(flags);
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VERBOSE("sip_smc_handler\n");
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VERBOSE("id=0x%x\n", smc_fid);
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VERBOSE("x1=0x%lx, x2=0x%lx, x3=0x%lx, x4=0x%lx\n", x1, x2, x3, x4);
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if (!ns) {
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/* SiP SMC service secure world's call */
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switch (smc_fid) {
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default:
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rc = SMC_UNK;
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}
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} else {
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/* SiP SMC service normal world's call */
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switch (smc_fid) {
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default:
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rc = SMC_UNK;
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}
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}
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if (rc == SMC_UNK) {
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console_init(gteearg.atf_log_port,
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UART_CLOCK, UART_BAUDRATE);
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ERROR("%s: unhandled NS(%d) SMC (0x%x)\n",
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__func__, ns, smc_fid);
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console_uninit();
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}
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SMC_RET1(handle, rc);
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}
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