Trusted Firmware-A Tests, version 2.0
This is the first public version of the tests for the Trusted
Firmware-A project. Please see the documentation provided in the
source tree for more details.
Change-Id: I6f3452046a1351ac94a71b3525c30a4ca8db7867
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Co-authored-by: amobal01 <amol.balasokamble@arm.com>
Co-authored-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Co-authored-by: Asha R <asha.r@arm.com>
Co-authored-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
Co-authored-by: David Cunado <david.cunado@arm.com>
Co-authored-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
Co-authored-by: Douglas Raillard <douglas.raillard@arm.com>
Co-authored-by: dp-arm <dimitris.papastamos@arm.com>
Co-authored-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
Co-authored-by: Jonathan Wright <jonathan.wright@arm.com>
Co-authored-by: Kévin Petit <kevin.petit@arm.com>
Co-authored-by: Roberto Vargas <roberto.vargas@arm.com>
Co-authored-by: Sathees Balya <sathees.balya@arm.com>
Co-authored-by: Shawon Roy <Shawon.Roy@arm.com>
Co-authored-by: Soby Mathew <soby.mathew@arm.com>
Co-authored-by: Thomas Abraham <thomas.abraham@arm.com>
Co-authored-by: Vikram Kanigiri <vikram.kanigiri@arm.com>
Co-authored-by: Yatharth Kochar <yatharth.kochar@arm.com>
diff --git a/lib/utils/mp_printf.c b/lib/utils/mp_printf.c
new file mode 100644
index 0000000..d1eb780
--- /dev/null
+++ b/lib/utils/mp_printf.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <platform.h>
+#include <spinlock.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+/* Lock to avoid concurrent accesses to the serial console */
+static spinlock_t printf_lock;
+
+/*
+ * Print the MPID header, e.g.: [cpu 0x0100]
+ *
+ * If SHELL_COLOR == 1, this also prints shell's color escape sequences to ease
+ * identifying which CPU displays the message. There are 8 standard colors so
+ * if the platform has more than 8 CPUs, some colors will be reused.
+ */
+#if SHELL_COLOR
+#define PRINT_MPID_HDR(_mpid) \
+ do { \
+ unsigned int linear_id = platform_get_core_pos(_mpid); \
+ printf("\033[1;%u;40m", 30 + (linear_id & 0x7)); \
+ printf("[cpu 0x%.4x] ", _mpid); \
+ printf("\033[0m"); \
+ } while (0)
+#else
+#define PRINT_MPID_HDR(_mpid) \
+ printf("[cpu 0x%.4x] ", _mpid)
+#endif /* SHELL_COLOR */
+
+void mp_printf(const char *fmt, ...)
+{
+ va_list ap;
+ char str[256];
+ /*
+ * As part of testing Firmware Update feature on Cortex-A57 CPU, an
+ * issue was discovered while printing in NS_BL1U stage. The issue
+ * appears when the second call to `NOTICE()` is made in the
+ * `ns_bl1u_main()`. As a result of this issue the CPU hangs and the
+ * debugger is also not able to connect anymore.
+ *
+ * After further debugging and experiments it was found that if
+ * `read_mpidr_el1()` is avoided or volatile qualifier is used for
+ * reading the mpidr, this issue gets resolved.
+ *
+ * NOTE: The actual/real reason why this happens is still not known.
+ * Moreover this problem is not encountered on Cortex-A53 CPU.
+ */
+ volatile unsigned int mpid = read_mpidr_el1() & 0xFFFF;
+
+ /*
+ * TODO: It would be simpler to use vprintf() instead of
+ * vsnprintf() + printf(), we wouldn't need to declare a static buffer
+ * for storing the product of vsnprintf(). Unfortunately our C library
+ * doesn't provide vprintf() at the moment.
+ * Import vprintf() code from FreeBSD C library to our local C library.
+ */
+ va_start(ap, fmt);
+ vsnprintf(str, sizeof(str), fmt, ap);
+ str[sizeof(str) - 1] = 0;
+ va_end(ap);
+
+ spin_lock(&printf_lock);
+ PRINT_MPID_HDR(mpid);
+ printf("%s", str);
+ spin_unlock(&printf_lock);
+}
diff --git a/lib/utils/uuid.c b/lib/utils/uuid.c
new file mode 100644
index 0000000..21747a2
--- /dev/null
+++ b/lib/utils/uuid.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <uuid_utils.h>
+
+/* Format string to print a UUID */
+static const char *uuid_str_fmt = "{ 0x%.8x, 0x%.4x, 0x%.4x, 0x%.2x, 0x%.2x, "
+ "0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x }";
+
+
+unsigned int is_uuid_null(const uuid_t *uuid)
+{
+ const uuid_t uuid_null = {0};
+
+ return memcmp(uuid, &uuid_null, sizeof(uuid_t)) == 0;
+}
+
+char *uuid_to_str(const uuid_t *uuid, char *str)
+{
+ assert(uuid != NULL);
+ assert(str != NULL);
+
+ snprintf(str, UUID_STR_SIZE, uuid_str_fmt,
+ uuid->time_low, uuid->time_mid, uuid->time_hi_and_version,
+ uuid->clock_seq_hi_and_reserved, uuid->clock_seq_low,
+ uuid->node[0], uuid->node[1], uuid->node[2], uuid->node[3],
+ uuid->node[4], uuid->node[5]);
+
+ return str;
+}
+
+unsigned int uuid_equal(const uuid_t *uuid1, const uuid_t *uuid2)
+{
+ return memcmp(uuid1, uuid2, sizeof(uuid_t)) == 0;
+}
+
+uuid_t *make_uuid_from_4words(uuid_t *uuid,
+ uint32_t w0,
+ uint32_t w1,
+ uint32_t w2,
+ uint32_t w3)
+{
+ uint32_t *uuid32;
+
+ assert(uuid != NULL);
+
+ uuid32 = (uint32_t *) uuid;
+ uuid32[0] = w0;
+ uuid32[1] = w1;
+ uuid32[2] = w2;
+ uuid32[3] = w3;
+
+ return uuid;
+}