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