diff --git a/cmd/Kconfig b/cmd/Kconfig
index 4324031..ae49b82 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1445,6 +1445,20 @@ config CMD_HASH
 	  saved to memory or to an environment variable. It is also possible
 	  to verify a hash against data in memory.
 
+config CMD_HVC
+	bool "Support the 'hvc' command"
+	depends on ARM_SMCCC
+	help
+	  Allows issuing Hypervisor Calls (HVCs). Mostly useful for
+	  development and testing.
+
+config CMD_SMC
+	bool "Support the 'smc' command"
+	depends on ARM_SMCCC
+	help
+	  Allows issuing Secure Monitor Calls (SMCs). Mostly useful for
+	  development and testing.
+
 config HASH_VERIFY
 	bool "hash -v"
 	depends on CMD_HASH
diff --git a/cmd/Makefile b/cmd/Makefile
index 9695309..d734902 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -60,6 +60,7 @@ obj-$(CONFIG_CMD_FS_GENERIC) += fs.o
 obj-$(CONFIG_CMD_FUSE) += fuse.o
 obj-$(CONFIG_CMD_GETTIME) += gettime.o
 obj-$(CONFIG_CMD_GPIO) += gpio.o
+obj-$(CONFIG_CMD_HVC) += smccc.o
 obj-$(CONFIG_CMD_I2C) += i2c.o
 obj-$(CONFIG_CMD_IOTRACE) += iotrace.o
 obj-$(CONFIG_CMD_HASH) += hash.o
@@ -112,6 +113,7 @@ obj-$(CONFIG_CMD_SHA1SUM) += sha1sum.o
 obj-$(CONFIG_CMD_SETEXPR) += setexpr.o
 obj-$(CONFIG_CMD_SPI) += spi.o
 obj-$(CONFIG_CMD_STRINGS) += strings.o
+obj-$(CONFIG_CMD_SMC) += smccc.o
 obj-$(CONFIG_CMD_TERMINAL) += terminal.o
 obj-$(CONFIG_CMD_TIME) += time.o
 obj-$(CONFIG_CMD_TRACE) += trace.o
diff --git a/cmd/smccc.c b/cmd/smccc.c
new file mode 100644
index 0000000..8b1475c
--- /dev/null
+++ b/cmd/smccc.c
@@ -0,0 +1,71 @@
+// 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
+