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https://github.com/CTCaer/switch-l4t-atf.git
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82cb2c1ad9
To make software license auditing simpler, use SPDX[0] license identifiers instead of duplicating the license text in every file. NOTE: Files that have been imported by FreeBSD have not been modified. [0]: https://spdx.org/ Change-Id: I80a00e1f641b8cc075ca5a95b10607ed9ed8761a Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
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* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <assert.h>
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#include <debug.h>
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#include <platform.h>
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#include <pmf.h>
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#include <smcc_helpers.h>
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/*
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* This function is responsible for handling all PMF SMC calls.
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*/
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uintptr_t pmf_smc_handler(unsigned int smc_fid,
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u_register_t x1,
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u_register_t x2,
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u_register_t x3,
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u_register_t x4,
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void *cookie,
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void *handle,
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u_register_t flags)
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{
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int rc;
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unsigned long long ts_value;
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if (((smc_fid >> FUNCID_CC_SHIFT) & FUNCID_CC_MASK) == SMC_32) {
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x1 = (uint32_t)x1;
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x2 = (uint32_t)x2;
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x3 = (uint32_t)x3;
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switch (smc_fid) {
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case PMF_SMC_GET_TIMESTAMP_32:
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/*
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* Return error code and the captured
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* time-stamp to the caller.
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* x0 --> error code.
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* x1 - x2 --> time-stamp value.
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*/
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rc = pmf_get_timestamp_smc(x1, x2, x3, &ts_value);
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SMC_RET3(handle, rc, (uint32_t)ts_value,
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(uint32_t)(ts_value >> 32));
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default:
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break;
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}
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} else {
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switch (smc_fid) {
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case PMF_SMC_GET_TIMESTAMP_64:
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/*
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* Return error code and the captured
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* time-stamp to the caller.
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* x0 --> error code.
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* x1 --> time-stamp value.
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*/
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rc = pmf_get_timestamp_smc(x1, x2, x3, &ts_value);
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SMC_RET2(handle, rc, ts_value);
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default:
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break;
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}
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}
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WARN("Unimplemented PMF Call: 0x%x \n", smc_fid);
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SMC_RET1(handle, SMC_UNK);
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}
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