projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 666028fc MP |
1 | // 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 | ||
| 09140113 SG |
13 | static int do_call(struct cmd_tbl *cmdtp, int flag, int argc, |
| 14 | char *const argv[]) | |
| 666028fc MP |
15 | { |
| 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 | ||
| 31 | fid = simple_strtoul(argv[1], NULL, 16); | |
| 32 | ||
| 33 | a1 = argc > 2 ? simple_strtoul(argv[2], NULL, 16) : 0; | |
| 34 | a2 = argc > 3 ? simple_strtoul(argv[3], NULL, 16) : 0; | |
| 35 | a3 = argc > 4 ? simple_strtoul(argv[4], NULL, 16) : 0; | |
| 36 | a4 = argc > 5 ? simple_strtoul(argv[5], NULL, 16) : 0; | |
| 37 | a5 = argc > 6 ? simple_strtoul(argv[6], NULL, 16) : 0; | |
| 38 | a6 = argc > 7 ? simple_strtoul(argv[7], NULL, 16) : 0; | |
| 39 | a7 = argc > 8 ? simple_strtoul(argv[8], NULL, 16) : 0; | |
| 40 | ||
| 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 | ||
| 46 | printf("Res: %ld %ld %ld %ld\n", res.a0, res.a1, res.a2, res.a3); | |
| 47 | ||
| 48 | return 0; | |
| 49 | } | |
| 50 | ||
| 51 | #ifdef CONFIG_CMD_SMC | |
| 52 | U_BOOT_CMD( | |
| 53 | smc, 8, 2, do_call, | |
| 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" | |
| 59 | ); | |
| 60 | #endif | |
| 61 | ||
| 62 | #ifdef CONFIG_CMD_HVC | |
| 63 | U_BOOT_CMD( | |
| 64 | hvc, 8, 2, do_call, | |
| 65 | "Issue a Hypervisor Call", | |
| 66 | "<fid> [arg1...arg7] [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" | |
| 70 | ); | |
| 71 | #endif | |
| 72 |