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Michalis Pappas666028f2018-04-13 10:40:57 +03001// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright 2018
4 * Michalis Pappas <mpappas@fastmail.fm>
5 */
6#include <asm/psci.h>
7#include <common.h>
8#include <command.h>
9#include <linux/arm-smccc.h>
10#include <linux/compiler.h>
11#include <linux/psci.h>
12
Simon Glass09140112020-05-10 11:40:03 -060013static int do_call(struct cmd_tbl *cmdtp, int flag, int argc,
14 char *const argv[])
Michalis Pappas666028f2018-04-13 10:40:57 +030015{
16 struct arm_smccc_res res;
17
18 unsigned long fid;
19
20 unsigned long a1;
21 unsigned long a2;
22 unsigned long a3;
23 unsigned long a4;
24 unsigned long a5;
25 unsigned long a6;
26 unsigned long a7;
27
28 if (argc < 2)
29 return CMD_RET_USAGE;
30
Simon Glass7e5f4602021-07-24 09:03:29 -060031 fid = hextoul(argv[1], NULL);
Michalis Pappas666028f2018-04-13 10:40:57 +030032
Simon Glass7e5f4602021-07-24 09:03:29 -060033 a1 = argc > 2 ? hextoul(argv[2], NULL) : 0;
34 a2 = argc > 3 ? hextoul(argv[3], NULL) : 0;
35 a3 = argc > 4 ? hextoul(argv[4], NULL) : 0;
36 a4 = argc > 5 ? hextoul(argv[5], NULL) : 0;
37 a5 = argc > 6 ? hextoul(argv[6], NULL) : 0;
38 a6 = argc > 7 ? hextoul(argv[7], NULL) : 0;
39 a7 = argc > 8 ? hextoul(argv[8], NULL) : 0;
Michalis Pappas666028f2018-04-13 10:40:57 +030040
41 if (!strcmp(argv[0], "smc"))
42 arm_smccc_smc(fid, a1, a2, a3, a4, a5, a6, a7, &res);
43 else
44 arm_smccc_hvc(fid, a1, a2, a3, a4, a5, a6, a7, &res);
45
Michal Simeke2aa0782023-02-15 09:45:21 +010046 printf("Res: 0x%lx 0x%lx 0x%lx 0x%lx\n", res.a0, res.a1, res.a2, res.a3);
Michalis Pappas666028f2018-04-13 10:40:57 +030047
48 return 0;
49}
50
51#ifdef CONFIG_CMD_SMC
52U_BOOT_CMD(
Siew Chin Lim8f20c482021-07-15 12:38:54 +080053 smc, 9, 2, do_call,
Michalis Pappas666028f2018-04-13 10:40:57 +030054 "Issue a Secure Monitor Call",
55 "<fid> [arg1 ... arg6] [id]\n"
56 " - fid Function ID\n"
57 " - arg SMC arguments, passed to X1-X6 (default to zero)\n"
58 " - id Secure OS ID / Session ID, passed to W7 (defaults to zero)\n"
59);
60#endif
61
62#ifdef CONFIG_CMD_HVC
63U_BOOT_CMD(
Siew Chin Lim8f20c482021-07-15 12:38:54 +080064 hvc, 9, 2, do_call,
Michalis Pappas666028f2018-04-13 10:40:57 +030065 "Issue a Hypervisor Call",
Siew Chin Lim8f20c482021-07-15 12:38:54 +080066 "<fid> [arg1...arg6] [id]\n"
Michalis Pappas666028f2018-04-13 10:40:57 +030067 " - fid Function ID\n"
68 " - arg HVC arguments, passed to X1-X6 (default to zero)\n"
69 " - id Session ID, passed to W7 (defaults to zero)\n"
70);
71#endif