Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / x86 / cpu / coreboot / timestamp.c

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 (file)
index 0000000..bd3558a
--- /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;
+}