X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Farch%2Fx86%2Fcpu%2Fcoreboot%2Ftimestamp.c;fp=qemu%2Froms%2Fu-boot%2Farch%2Fx86%2Fcpu%2Fcoreboot%2Ftimestamp.c;h=bd3558a0214930331b91f423da43e7012768cb50;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/arch/x86/cpu/coreboot/timestamp.c b/qemu/roms/u-boot/arch/x86/cpu/coreboot/timestamp.c
new file mode 100644
index 000000000..bd3558a02
--- /dev/null
+++ b/qemu/roms/u-boot/arch/x86/cpu/coreboot/timestamp.c
@@ -0,0 +1,101 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#include <common.h>
+#include <asm/arch/timestamp.h>
+#include <asm/arch/sysinfo.h>
+#include <linux/compiler.h>
+
+struct timestamp_entry {
+	uint32_t	entry_id;
+	uint64_t	entry_stamp;
+} __packed;
+
+struct timestamp_table {
+	uint64_t	base_time;
+	uint32_t	max_entries;
+	uint32_t	num_entries;
+	struct timestamp_entry entries[0]; /* Variable number of entries */
+} __packed;
+
+static struct timestamp_table *ts_table  __attribute__((section(".data")));
+
+void timestamp_init(void)
+{
+	ts_table = lib_sysinfo.tstamp_table;
+#ifdef CONFIG_SYS_X86_TSC_TIMER
+	timer_set_base(ts_table->base_time);
+#endif
+	timestamp_add_now(TS_U_BOOT_INITTED);
+}
+
+void timestamp_add(enum timestamp_id id, uint64_t ts_time)
+{
+	struct timestamp_entry *tse;
+
+	if (!ts_table || (ts_table->num_entries == ts_table->max_entries))
+		return;
+
+	tse = &ts_table->entries[ts_table->num_entries++];
+	tse->entry_id = id;
+	tse->entry_stamp = ts_time - ts_table->base_time;
+}
+
+void timestamp_add_now(enum timestamp_id id)
+{
+	timestamp_add(id, rdtsc());
+}
+
+int timestamp_add_to_bootstage(void)
+{
+	uint i;
+
+	if (!ts_table)
+		return -1;
+
+	for (i = 0; i < ts_table->num_entries; i++) {
+		struct timestamp_entry *tse = &ts_table->entries[i];
+		const char *name = NULL;
+
+		switch (tse->entry_id) {
+		case TS_START_ROMSTAGE:
+			name = "start-romstage";
+			break;
+		case TS_BEFORE_INITRAM:
+			name = "before-initram";
+			break;
+		case TS_DEVICE_INITIALIZE:
+			name = "device-initialize";
+			break;
+		case TS_DEVICE_DONE:
+			name = "device-done";
+			break;
+		case TS_SELFBOOT_JUMP:
+			name = "selfboot-jump";
+			break;
+		}
+		if (name) {
+			bootstage_add_record(0, name, BOOTSTAGEF_ALLOC,
+					     tse->entry_stamp /
+							get_tbclk_mhz());
+		}
+	}
+
+	return 0;
+}