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authorKyösti Mälkki <kyosti.malkki@gmail.com>2018-12-23 07:22:59 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2018-12-30 12:30:55 +0000
commit1c105903078f85dd1be805c737b4e4da6dea0618 (patch)
treee5ea20e0c52aafe2850c6df8c310378cc2bc5e47 /src/soc/intel/baytrail/bootblock
parent3ba79b319ef5d47b0d16482a254de7c5c740e415 (diff)
downloadcoreboot-1c105903078f85dd1be805c737b4e4da6dea0618.tar.xz
arch/x86: Use a common timestamp.inc with romcc bootblocks
The same file was replicated three times for certain soc/intel bootblocks, yet there are no indications or need to do chipset-specific initialisation. There is no harm in storing the TSC values in MMX registers even when they would not be used. Change-Id: Iec6fa0889f5887effca1d99ef830d383fb733648 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/30393 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/soc/intel/baytrail/bootblock')
-rw-r--r--src/soc/intel/baytrail/bootblock/timestamp.inc33
1 files changed, 0 insertions, 33 deletions
diff --git a/src/soc/intel/baytrail/bootblock/timestamp.inc b/src/soc/intel/baytrail/bootblock/timestamp.inc
deleted file mode 100644
index 3115c22c67..0000000000
--- a/src/soc/intel/baytrail/bootblock/timestamp.inc
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * 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.
- */
-
-/*
- * Store the initial timestamp for booting in mmx registers. This works
- * because the bootblock isn't being compiled with MMX support so mm0 and
- * mm1 will be preserved into romstage.
- */
- .code32
-
-.global stash_timestamp
-stash_timestamp:
-
- /* Save the BIST value */
- movl %eax, %ebp
-
- finit
- rdtsc
- movd %eax, %mm0
- movd %edx, %mm1
-
- /* Restore the BIST value to %eax */
- movl %ebp, %eax