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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(struct cmd_tbl *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 = hextoul(argv[1], NULL);
- a1 = argc > 2 ? hextoul(argv[2], NULL) : 0;
- a2 = argc > 3 ? hextoul(argv[3], NULL) : 0;
- a3 = argc > 4 ? hextoul(argv[4], NULL) : 0;
- a4 = argc > 5 ? hextoul(argv[5], NULL) : 0;
- a5 = argc > 6 ? hextoul(argv[6], NULL) : 0;
- a6 = argc > 7 ? hextoul(argv[7], NULL) : 0;
- a7 = argc > 8 ? hextoul(argv[8], NULL) : 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, 9, 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, 9, 2, do_call,
- "Issue a Hypervisor Call",
- "<fid> [arg1...arg6] [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
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