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e2aa078c1c
Printing return value in HEX instead of DEC. Return values are 64 bit values which impossible to decode in DEC. For example getting CHIP ID in dec is quite long. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/9a0278a7da729cb69b7a4d46c5e7eb8c3217c635.1676450712.git.michal.simek@amd.com
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2018
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* Michalis Pappas <mpappas@fastmail.fm>
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*/
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#include <asm/psci.h>
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#include <common.h>
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#include <command.h>
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#include <linux/arm-smccc.h>
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#include <linux/compiler.h>
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#include <linux/psci.h>
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static int do_call(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct arm_smccc_res res;
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unsigned long fid;
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unsigned long a1;
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unsigned long a2;
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unsigned long a3;
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unsigned long a4;
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unsigned long a5;
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unsigned long a6;
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unsigned long a7;
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if (argc < 2)
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return CMD_RET_USAGE;
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fid = hextoul(argv[1], NULL);
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a1 = argc > 2 ? hextoul(argv[2], NULL) : 0;
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a2 = argc > 3 ? hextoul(argv[3], NULL) : 0;
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a3 = argc > 4 ? hextoul(argv[4], NULL) : 0;
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a4 = argc > 5 ? hextoul(argv[5], NULL) : 0;
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a5 = argc > 6 ? hextoul(argv[6], NULL) : 0;
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a6 = argc > 7 ? hextoul(argv[7], NULL) : 0;
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a7 = argc > 8 ? hextoul(argv[8], NULL) : 0;
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if (!strcmp(argv[0], "smc"))
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arm_smccc_smc(fid, a1, a2, a3, a4, a5, a6, a7, &res);
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else
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arm_smccc_hvc(fid, a1, a2, a3, a4, a5, a6, a7, &res);
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printf("Res: 0x%lx 0x%lx 0x%lx 0x%lx\n", res.a0, res.a1, res.a2, res.a3);
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return 0;
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}
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#ifdef CONFIG_CMD_SMC
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U_BOOT_CMD(
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smc, 9, 2, do_call,
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"Issue a Secure Monitor Call",
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"<fid> [arg1 ... arg6] [id]\n"
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" - fid Function ID\n"
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" - arg SMC arguments, passed to X1-X6 (default to zero)\n"
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" - id Secure OS ID / Session ID, passed to W7 (defaults to zero)\n"
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);
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#endif
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#ifdef CONFIG_CMD_HVC
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U_BOOT_CMD(
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hvc, 9, 2, do_call,
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"Issue a Hypervisor Call",
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"<fid> [arg1...arg6] [id]\n"
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" - fid Function ID\n"
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" - arg HVC arguments, passed to X1-X6 (default to zero)\n"
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" - id Session ID, passed to W7 (defaults to zero)\n"
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);
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#endif
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