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cmd/smccc.c
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666028fc7 arm64: Add SMC an... |
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// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2018 * Michalis Pappas <mpappas@fastmail.fm> */ #include <asm/psci.h> #include <common.h> #include <command.h> #include <linux/arm-smccc.h> #include <linux/compiler.h> #include <linux/psci.h> static int do_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { struct arm_smccc_res res; unsigned long fid; unsigned long a1; unsigned long a2; unsigned long a3; unsigned long a4; unsigned long a5; unsigned long a6; unsigned long a7; if (argc < 2) return CMD_RET_USAGE; fid = simple_strtoul(argv[1], NULL, 16); a1 = argc > 2 ? simple_strtoul(argv[2], NULL, 16) : 0; a2 = argc > 3 ? simple_strtoul(argv[3], NULL, 16) : 0; a3 = argc > 4 ? simple_strtoul(argv[4], NULL, 16) : 0; a4 = argc > 5 ? simple_strtoul(argv[5], NULL, 16) : 0; a5 = argc > 6 ? simple_strtoul(argv[6], NULL, 16) : 0; a6 = argc > 7 ? simple_strtoul(argv[7], NULL, 16) : 0; a7 = argc > 8 ? simple_strtoul(argv[8], NULL, 16) : 0; if (!strcmp(argv[0], "smc")) arm_smccc_smc(fid, a1, a2, a3, a4, a5, a6, a7, &res); else arm_smccc_hvc(fid, a1, a2, a3, a4, a5, a6, a7, &res); printf("Res: %ld %ld %ld %ld ", res.a0, res.a1, res.a2, res.a3); return 0; } #ifdef CONFIG_CMD_SMC U_BOOT_CMD( smc, 8, 2, do_call, "Issue a Secure Monitor Call", "<fid> [arg1 ... arg6] [id] " " - fid Function ID " " - arg SMC arguments, passed to X1-X6 (default to zero) " " - id Secure OS ID / Session ID, passed to W7 (defaults to zero) " ); #endif #ifdef CONFIG_CMD_HVC U_BOOT_CMD( hvc, 8, 2, do_call, "Issue a Hypervisor Call", "<fid> [arg1...arg7] [id] " " - fid Function ID " " - arg HVC arguments, passed to X1-X6 (default to zero) " " - id Session ID, passed to W7 (defaults to zero) " ); #endif |