17c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/* 27c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. 37c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * 47c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * Redistribution and use in source and binary forms, with or without 57c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * modification, are permitted provided that the following conditions are met: 67c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * 77c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * Redistributions of source code must retain the above copyright notice, this 87c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * list of conditions and the following disclaimer. 97c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * 107c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * Redistributions in binary form must reproduce the above copyright notice, 117c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * this list of conditions and the following disclaimer in the documentation 127c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * and/or other materials provided with the distribution. 137c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * 147c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * Neither the name of ARM nor the names of its contributors may be used 157c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * to endorse or promote products derived from this software without specific 167c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * prior written permission. 177c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * 187c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 197c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 207c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 217c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 227c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 237c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 247c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 257c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 267c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 277c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 287c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * POSSIBILITY OF SUCH DAMAGE. 297c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta */ 307c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 317c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta#include <arch_helpers.h> 3297043ac98e13a726dbf8b3b41654dca759e3da2cDan Handley#include <bl_common.h> 337c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta#include <debug.h> 3497043ac98e13a726dbf8b3b41654dca759e3da2cDan Handley#include <platform.h> 355f0cdb059d7d5c3a8a834074a7f236b85d014ddeDan Handley#include <platform_def.h> 365a06bb7e0b3ec6c98857423f52a1f98b54e46303Dan Handley#include <platform_tsp.h> 377c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta#include <spinlock.h> 3897043ac98e13a726dbf8b3b41654dca759e3da2cDan Handley#include <tsp.h> 39da0af78aa230d3a873923e05643071f761f593e2Dan Handley#include "tsp_private.h" 407c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 417c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/******************************************************************************* 426871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiri * Declarations of linker defined symbols which will help us find the layout 436871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiri * of trusted SRAM 446871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiri ******************************************************************************/ 456871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiriextern unsigned long __RO_START__; 46ab8707e6875a9fe447ff04fad9053d7d719f89e6Soby Mathewextern unsigned long __BL32_END__; 476871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiri 486871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiri/******************************************************************************* 497c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * Lock to control access to the console 507c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta ******************************************************************************/ 517c88f3f633288856dd691dfda222e60092e4dab9Achin Guptaspinlock_t console_lock; 527c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 537c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/******************************************************************************* 547c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * Per cpu data structure to populate parameters for an SMC in C code and use 557c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * a pointer to this structure in assembler code to populate x0-x7 567c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta ******************************************************************************/ 57fb037bfb7cbf7b404c069b4ebac5a10059d948b1Dan Handleystatic tsp_args_t tsp_smc_args[PLATFORM_CORE_COUNT]; 587c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 597c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/******************************************************************************* 607c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * Per cpu data structure to keep track of TSP activity 617c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta ******************************************************************************/ 626cf89021312a33395f804d80377a6ffdaadbbe21Achin Guptawork_statistics_t tsp_stats[PLATFORM_CORE_COUNT]; 637c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 647c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/******************************************************************************* 656871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiri * The BL32 memory footprint starts with an RO sections and ends 66ab8707e6875a9fe447ff04fad9053d7d719f89e6Soby Mathew * with the linker symbol __BL32_END__. Use it to find the memory size 676871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiri ******************************************************************************/ 686871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiri#define BL32_TOTAL_BASE (unsigned long)(&__RO_START__) 696871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiri 70ab8707e6875a9fe447ff04fad9053d7d719f89e6Soby Mathew#define BL32_TOTAL_LIMIT (unsigned long)(&__BL32_END__) 716871c5d3a227cb95008a25e90e358ec0ac615222Vikram Kanigiri 72fb037bfb7cbf7b404c069b4ebac5a10059d948b1Dan Handleystatic tsp_args_t *set_smc_args(uint64_t arg0, 737c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg1, 747c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg2, 757c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg3, 767c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg4, 777c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg5, 787c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg6, 797c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg7) 807c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta{ 817c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t mpidr = read_mpidr(); 827c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint32_t linear_id; 83fb037bfb7cbf7b404c069b4ebac5a10059d948b1Dan Handley tsp_args_t *pcpu_smc_args; 847c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 857c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* 867c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * Return to Secure Monitor by raising an SMC. The results of the 877c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * service are passed as an arguments to the SMC 887c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta */ 897c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta linear_id = platform_get_core_pos(mpidr); 907c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta pcpu_smc_args = &tsp_smc_args[linear_id]; 917c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta write_sp_arg(pcpu_smc_args, TSP_ARG0, arg0); 927c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta write_sp_arg(pcpu_smc_args, TSP_ARG1, arg1); 937c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta write_sp_arg(pcpu_smc_args, TSP_ARG2, arg2); 947c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta write_sp_arg(pcpu_smc_args, TSP_ARG3, arg3); 957c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta write_sp_arg(pcpu_smc_args, TSP_ARG4, arg4); 967c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta write_sp_arg(pcpu_smc_args, TSP_ARG5, arg5); 977c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta write_sp_arg(pcpu_smc_args, TSP_ARG6, arg6); 987c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta write_sp_arg(pcpu_smc_args, TSP_ARG7, arg7); 997c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 1007c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta return pcpu_smc_args; 1017c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta} 1027c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 1037c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/******************************************************************************* 1047c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * TSP main entry point where it gets the opportunity to initialize its secure 1057c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * state/applications. Once the state is initialized, it must return to the 106399fb08fff2e4a0cad4cd1cf0ece84db6670447fAndrew Thoelke * SPD with a pointer to the 'tsp_vector_table' jump table. 1077c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta ******************************************************************************/ 1087c88f3f633288856dd691dfda222e60092e4dab9Achin Guptauint64_t tsp_main(void) 1097c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta{ 1106ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley NOTICE("TSP: %s\n", version_string); 1116ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley NOTICE("TSP: %s\n", build_message); 1126ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: Total memory base : 0x%x\n", (unsigned long)BL32_TOTAL_BASE); 1136ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: Total memory size : 0x%x bytes\n", 1146ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley (unsigned long)(BL32_TOTAL_LIMIT - BL32_TOTAL_BASE)); 1156ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley 1167c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t mpidr = read_mpidr(); 1177c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint32_t linear_id = platform_get_core_pos(mpidr); 1187c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 1197c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* Initialize the platform */ 1205a06bb7e0b3ec6c98857423f52a1f98b54e46303Dan Handley tsp_platform_setup(); 1217c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 1227c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* Initialize secure/applications state here */ 123a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta tsp_generic_timer_start(); 1247c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 1257c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* Update this cpu's statistics */ 1267c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].smc_count++; 1277c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].eret_count++; 1287c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].cpu_on_count++; 1297c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 1306ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley#if LOG_LEVEL >= LOG_LEVEL_INFO 1317c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta spin_lock(&console_lock); 1326ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: cpu 0x%x: %d smcs, %d erets %d cpu on requests\n", mpidr, 1337c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].smc_count, 1347c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].eret_count, 1357c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].cpu_on_count); 1367c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta spin_unlock(&console_lock); 1376ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley#endif 138399fb08fff2e4a0cad4cd1cf0ece84db6670447fAndrew Thoelke return (uint64_t) &tsp_vector_table; 1397c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta} 1407c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 1417c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/******************************************************************************* 1427c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * This function performs any remaining book keeping in the test secure payload 1437c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * after this cpu's architectural state has been setup in response to an earlier 1447c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * psci cpu_on request. 1457c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta ******************************************************************************/ 146fb037bfb7cbf7b404c069b4ebac5a10059d948b1Dan Handleytsp_args_t *tsp_cpu_on_main(void) 1477c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta{ 1487c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t mpidr = read_mpidr(); 1497c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint32_t linear_id = platform_get_core_pos(mpidr); 1507c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 151a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta /* Initialize secure/applications state here */ 152a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta tsp_generic_timer_start(); 153a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta 1547c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* Update this cpu's statistics */ 1557c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].smc_count++; 1567c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].eret_count++; 1577c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].cpu_on_count++; 1587c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 1596ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley#if LOG_LEVEL >= LOG_LEVEL_INFO 1607c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta spin_lock(&console_lock); 1616ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: cpu 0x%x turned on\n", mpidr); 1626ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: cpu 0x%x: %d smcs, %d erets %d cpu on requests\n", mpidr, 1636ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].smc_count, 1646ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].eret_count, 1656ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].cpu_on_count); 1667c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta spin_unlock(&console_lock); 1676ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley#endif 1687c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* Indicate to the SPD that we have completed turned ourselves on */ 1697c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta return set_smc_args(TSP_ON_DONE, 0, 0, 0, 0, 0, 0, 0); 1707c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta} 1717c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 1727c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/******************************************************************************* 1737c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * This function performs any remaining book keeping in the test secure payload 1747c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * before this cpu is turned off in response to a psci cpu_off request. 1757c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta ******************************************************************************/ 176fb037bfb7cbf7b404c069b4ebac5a10059d948b1Dan Handleytsp_args_t *tsp_cpu_off_main(uint64_t arg0, 1777c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg1, 1787c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg2, 1797c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg3, 1807c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg4, 1817c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg5, 1827c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg6, 1837c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg7) 1847c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta{ 1857c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t mpidr = read_mpidr(); 1867c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint32_t linear_id = platform_get_core_pos(mpidr); 1877c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 188a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta /* 189a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta * This cpu is being turned off, so disable the timer to prevent the 190a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta * secure timer interrupt from interfering with power down. A pending 191a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta * interrupt will be lost but we do not care as we are turning off. 192a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta */ 193a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta tsp_generic_timer_stop(); 194a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta 1957c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* Update this cpu's statistics */ 1967c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].smc_count++; 1977c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].eret_count++; 1987c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].cpu_off_count++; 1997c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 2006ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley#if LOG_LEVEL >= LOG_LEVEL_INFO 2017c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta spin_lock(&console_lock); 2026ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: cpu 0x%x off request\n", mpidr); 2036ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: cpu 0x%x: %d smcs, %d erets %d cpu off requests\n", mpidr, 2046ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].smc_count, 2056ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].eret_count, 2066ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].cpu_off_count); 2077c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta spin_unlock(&console_lock); 2086ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley#endif 2097c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 210607084ee4c2a7c20832beb8cd1d5cebf02b2cb26Achin Gupta /* Indicate to the SPD that we have completed this request */ 2117c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta return set_smc_args(TSP_OFF_DONE, 0, 0, 0, 0, 0, 0, 0); 2127c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta} 2137c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 2147c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/******************************************************************************* 2157c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * This function performs any book keeping in the test secure payload before 2167c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * this cpu's architectural state is saved in response to an earlier psci 2177c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * cpu_suspend request. 2187c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta ******************************************************************************/ 21931244d74b350d49cfba6ad46d90dad2d5f2f364cSoby Mathewtsp_args_t *tsp_cpu_suspend_main(uint64_t arg0, 2207c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg1, 2217c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg2, 2227c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg3, 2237c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg4, 2247c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg5, 2257c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg6, 2267c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg7) 2277c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta{ 2287c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t mpidr = read_mpidr(); 2297c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint32_t linear_id = platform_get_core_pos(mpidr); 2307c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 231a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta /* 232a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta * Save the time context and disable it to prevent the secure timer 233a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta * interrupt from interfering with wakeup from the suspend state. 234a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta */ 235a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta tsp_generic_timer_save(); 236a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta tsp_generic_timer_stop(); 237a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta 2387c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* Update this cpu's statistics */ 2397c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].smc_count++; 2407c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].eret_count++; 2417c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].cpu_suspend_count++; 2427c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 2436ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley#if LOG_LEVEL >= LOG_LEVEL_INFO 2447c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta spin_lock(&console_lock); 2456ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: cpu 0x%x: %d smcs, %d erets %d cpu suspend requests\n", 2466ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley mpidr, 2476ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].smc_count, 2486ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].eret_count, 2496ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].cpu_suspend_count); 2507c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta spin_unlock(&console_lock); 2516ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley#endif 2527c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 253607084ee4c2a7c20832beb8cd1d5cebf02b2cb26Achin Gupta /* Indicate to the SPD that we have completed this request */ 2547c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta return set_smc_args(TSP_SUSPEND_DONE, 0, 0, 0, 0, 0, 0, 0); 2557c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta} 2567c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 2577c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/******************************************************************************* 2587c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * This function performs any book keeping in the test secure payload after this 2597c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * cpu's architectural state has been restored after wakeup from an earlier psci 2607c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * cpu_suspend request. 2617c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta ******************************************************************************/ 262fb037bfb7cbf7b404c069b4ebac5a10059d948b1Dan Handleytsp_args_t *tsp_cpu_resume_main(uint64_t suspend_level, 2637c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg1, 2647c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg2, 2657c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg3, 2667c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg4, 2677c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg5, 2687c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg6, 2697c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg7) 2707c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta{ 2717c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t mpidr = read_mpidr(); 2727c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint32_t linear_id = platform_get_core_pos(mpidr); 2737c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 274a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta /* Restore the generic timer context */ 275a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta tsp_generic_timer_restore(); 276a20a81e5b4a19969673f672523b946647f5d545dAchin Gupta 2777c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* Update this cpu's statistics */ 2787c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].smc_count++; 2797c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].eret_count++; 2807c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_stats[linear_id].cpu_resume_count++; 2817c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 2826ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley#if LOG_LEVEL >= LOG_LEVEL_INFO 2837c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta spin_lock(&console_lock); 2846ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: cpu 0x%x resumed. suspend level %d\n", 2856ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley mpidr, suspend_level); 2866ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: cpu 0x%x: %d smcs, %d erets %d cpu suspend requests\n", 2876ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley mpidr, 2886ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].smc_count, 2896ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].eret_count, 2906ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].cpu_suspend_count); 2917c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta spin_unlock(&console_lock); 2926ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley#endif 293607084ee4c2a7c20832beb8cd1d5cebf02b2cb26Achin Gupta /* Indicate to the SPD that we have completed this request */ 2947c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta return set_smc_args(TSP_RESUME_DONE, 0, 0, 0, 0, 0, 0, 0); 2957c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta} 2967c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 2977c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta/******************************************************************************* 298d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo * This function performs any remaining bookkeeping in the test secure payload 299d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo * before the system is switched off (in response to a psci SYSTEM_OFF request) 300d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo ******************************************************************************/ 301d5f130930624ceb95cde40de999a880aa2b00493Juan Castillotsp_args_t *tsp_system_off_main(uint64_t arg0, 302d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg1, 303d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg2, 304d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg3, 305d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg4, 306d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg5, 307d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg6, 308d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg7) 309d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo{ 310d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t mpidr = read_mpidr(); 311d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint32_t linear_id = platform_get_core_pos(mpidr); 312d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo 313d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo /* Update this cpu's statistics */ 314d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo tsp_stats[linear_id].smc_count++; 315d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo tsp_stats[linear_id].eret_count++; 316d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo 317d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo#if LOG_LEVEL >= LOG_LEVEL_INFO 318d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo spin_lock(&console_lock); 319d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo INFO("TSP: cpu 0x%x SYSTEM_OFF request\n", mpidr); 320d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo INFO("TSP: cpu 0x%x: %d smcs, %d erets requests\n", mpidr, 321d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo tsp_stats[linear_id].smc_count, 322d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo tsp_stats[linear_id].eret_count); 323d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo spin_unlock(&console_lock); 324d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo#endif 325d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo 326d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo /* Indicate to the SPD that we have completed this request */ 327d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo return set_smc_args(TSP_SYSTEM_OFF_DONE, 0, 0, 0, 0, 0, 0, 0); 328d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo} 329d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo 330d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo/******************************************************************************* 331d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo * This function performs any remaining bookkeeping in the test secure payload 332d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo * before the system is reset (in response to a psci SYSTEM_RESET request) 333d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo ******************************************************************************/ 334d5f130930624ceb95cde40de999a880aa2b00493Juan Castillotsp_args_t *tsp_system_reset_main(uint64_t arg0, 335d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg1, 336d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg2, 337d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg3, 338d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg4, 339d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg5, 340d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg6, 341d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t arg7) 342d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo{ 343d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint64_t mpidr = read_mpidr(); 344d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo uint32_t linear_id = platform_get_core_pos(mpidr); 345d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo 346d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo /* Update this cpu's statistics */ 347d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo tsp_stats[linear_id].smc_count++; 348d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo tsp_stats[linear_id].eret_count++; 349d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo 350d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo#if LOG_LEVEL >= LOG_LEVEL_INFO 351d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo spin_lock(&console_lock); 352d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo INFO("TSP: cpu 0x%x SYSTEM_RESET request\n", mpidr); 353d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo INFO("TSP: cpu 0x%x: %d smcs, %d erets requests\n", mpidr, 354d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo tsp_stats[linear_id].smc_count, 355d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo tsp_stats[linear_id].eret_count); 356d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo spin_unlock(&console_lock); 357d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo#endif 358d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo 359d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo /* Indicate to the SPD that we have completed this request */ 360d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo return set_smc_args(TSP_SYSTEM_RESET_DONE, 0, 0, 0, 0, 0, 0, 0); 361d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo} 362d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo 363d5f130930624ceb95cde40de999a880aa2b00493Juan Castillo/******************************************************************************* 3647c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * TSP fast smc handler. The secure monitor jumps to this function by 3657c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * doing the ERET after populating X0-X7 registers. The arguments are received 3667c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * in the function arguments in order. Once the service is rendered, this 367239b04fa31647100c537852b4a3fc8bd47e33aa6Soby Mathew * function returns to Secure Monitor by raising SMC. 3687c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta ******************************************************************************/ 369239b04fa31647100c537852b4a3fc8bd47e33aa6Soby Mathewtsp_args_t *tsp_smc_handler(uint64_t func, 3707c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg1, 3717c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg2, 3727c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg3, 3737c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg4, 3747c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg5, 3757c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg6, 3767c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta uint64_t arg7) 3777c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta{ 378916a2c1ec16eed4199f27a24b8e2985275cda423Achin Gupta uint64_t results[2]; 379916a2c1ec16eed4199f27a24b8e2985275cda423Achin Gupta uint64_t service_args[2]; 380916a2c1ec16eed4199f27a24b8e2985275cda423Achin Gupta uint64_t mpidr = read_mpidr(); 381916a2c1ec16eed4199f27a24b8e2985275cda423Achin Gupta uint32_t linear_id = platform_get_core_pos(mpidr); 3827c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 383916a2c1ec16eed4199f27a24b8e2985275cda423Achin Gupta /* Update this cpu's statistics */ 384916a2c1ec16eed4199f27a24b8e2985275cda423Achin Gupta tsp_stats[linear_id].smc_count++; 385916a2c1ec16eed4199f27a24b8e2985275cda423Achin Gupta tsp_stats[linear_id].eret_count++; 386916a2c1ec16eed4199f27a24b8e2985275cda423Achin Gupta 3876ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: cpu 0x%x received %s smc 0x%x\n", read_mpidr(), 3886ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley ((func >> 31) & 1) == 1 ? "fast" : "standard", 3896ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley func); 3906ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley INFO("TSP: cpu 0x%x: %d smcs, %d erets\n", mpidr, 3916ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].smc_count, 3926ad2e461f0cd6de5aefd89fa0ba7acf2c293b8c2Dan Handley tsp_stats[linear_id].eret_count); 3937c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 394916a2c1ec16eed4199f27a24b8e2985275cda423Achin Gupta /* Render secure services and obtain results here */ 3957c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[0] = arg1; 3967c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[1] = arg2; 3977c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 3987c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* 3997c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * Request a service back from dispatcher/secure monitor. This call 4007c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta * return and thereafter resume exectuion 4017c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta */ 4027c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta tsp_get_magic(service_args); 4037c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 4047c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta /* Determine the function to perform based on the function ID */ 405239b04fa31647100c537852b4a3fc8bd47e33aa6Soby Mathew switch (TSP_BARE_FID(func)) { 406239b04fa31647100c537852b4a3fc8bd47e33aa6Soby Mathew case TSP_ADD: 4077c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[0] += service_args[0]; 4087c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[1] += service_args[1]; 4097c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta break; 410239b04fa31647100c537852b4a3fc8bd47e33aa6Soby Mathew case TSP_SUB: 4117c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[0] -= service_args[0]; 4127c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[1] -= service_args[1]; 4137c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta break; 414239b04fa31647100c537852b4a3fc8bd47e33aa6Soby Mathew case TSP_MUL: 4157c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[0] *= service_args[0]; 4167c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[1] *= service_args[1]; 4177c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta break; 418239b04fa31647100c537852b4a3fc8bd47e33aa6Soby Mathew case TSP_DIV: 4197c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[0] /= service_args[0] ? service_args[0] : 1; 4207c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[1] /= service_args[1] ? service_args[1] : 1; 4217c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta break; 4227c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta default: 4237c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta break; 4247c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta } 4257c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 426239b04fa31647100c537852b4a3fc8bd47e33aa6Soby Mathew return set_smc_args(func, 0, 4277c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[0], 4287c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta results[1], 429239b04fa31647100c537852b4a3fc8bd47e33aa6Soby Mathew 0, 0, 0, 0); 4307c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta} 4317c88f3f633288856dd691dfda222e60092e4dab9Achin Gupta 432