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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\n", 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]\n"
| " - fid Function ID\n"
| " - arg SMC arguments, passed to X1-X6 (default to zero)\n"
| " - id Secure OS ID / Session ID, passed to W7 (defaults to zero)\n"
| );
| #endif
|
| #ifdef CONFIG_CMD_HVC
| U_BOOT_CMD(
| hvc, 8, 2, do_call,
| "Issue a Hypervisor Call",
| "<fid> [arg1...arg7] [id]\n"
| " - fid Function ID\n"
| " - arg HVC arguments, passed to X1-X6 (default to zero)\n"
| " - id Session ID, passed to W7 (defaults to zero)\n"
| );
| #endif
|
|
