1 // SPDX-License-Identifier: GPL-2.0+
4 * Michalis Pappas <mpappas@fastmail.fm>
9 #include <linux/arm-smccc.h>
10 #include <linux/compiler.h>
11 #include <linux/psci.h>
13 static int do_call(struct cmd_tbl *cmdtp, int flag, int argc,
16 struct arm_smccc_res res;
31 fid = hextoul(argv[1], NULL);
33 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;
41 if (!strcmp(argv[0], "smc"))
42 arm_smccc_smc(fid, a1, a2, a3, a4, a5, a6, a7, &res);
44 arm_smccc_hvc(fid, a1, a2, a3, a4, a5, a6, a7, &res);
46 printf("Res: %ld %ld %ld %ld\n", res.a0, res.a1, res.a2, res.a3);
54 "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"
65 "Issue a Hypervisor Call",
66 "<fid> [arg1...arg6] [id]\n"
67 " - 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"