72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
// 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
|
|
|