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coreboot/src/lib
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Werner Zeh 35cceb861c timestamp: Add function to get time since boot 
Add a function to retrieve the elapsed time since boot. For that purpose
use the base time in the timestamp table among with the current
timestamp at call time of the function. So more precise the returned
time is the elapsed time since the timestamp was initialized scaled
in microseconds. This was chosen to get a reliable value even on
platforms where the TSC might not be reset on software reset or warm
start.

Change-Id: Ib93ad89078645c0ebe256048cb48f9622c90451f
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/21516
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-09-14 18:12:39 +00:00
..
gnat Fix files with multiple newlines at the end. 2017-07-24 15:08:08 +00:00
b64_decode.c src/lib: Add "int" following "unsigned" 2017-03-09 17:24:17 +01:00
boot_device.c
bootblock.c Port cmos.default handling to C environment bootblock 2017-07-26 19:30:01 +00:00
bootmem.c
bootmode.c
cbfs.c src/lib: add IS_ENABLED() around Kconfig symbol references 2017-07-06 00:19:37 +00:00
cbmem_common.c src/lib: Wrap lines at 80 columns 2017-03-13 17:21:02 +01:00
cbmem_console.c Rename __attribute__((packed)) --> __packed 2017-07-13 19:45:59 +00:00
cbmem_stage_cache.c stage_cache: Add rmodule params in metadata 2017-09-08 03:17:52 +00:00
compute_ip_checksum.c src/lib: Wrap lines at 80 columns 2017-03-13 17:21:02 +01:00
coreboot_table.c src/lib: add IS_ENABLED() around Kconfig symbol references 2017-07-06 00:19:37 +00:00
debug.c src/lib: Add "int" following "unsigned" 2017-03-09 17:24:17 +01:00
delay.c src/lib: Add space before ( 2017-03-09 17:30:21 +01:00
edid.c lib/edid: Split out fill_lb_framebuffer() 2017-05-30 18:32:44 +02:00
edid_fill_fb.c lib/edid: Split out fill_lb_framebuffer() 2017-05-30 18:32:44 +02:00
ext_stage_cache.c
fallback_boot.c Kconfig: Add choice of framebuffer mode 2017-06-04 18:47:19 +02:00
fmap.c
gcc.c src/lib: Move asmlinkage before type 2017-03-13 17:21:26 +01:00
gcov-glue.c src/lib: add IS_ENABLED() around Kconfig symbol references 2017-07-06 00:19:37 +00:00
gcov-io.c src/lib: Use tabs instead of spaces 2017-03-13 15:46:02 +01:00
gcov-io.h Rename __attribute__((packed)) --> __packed 2017-07-13 19:45:59 +00:00
gcov-iov.h
generic_dump_spd.c src/lib: Add space before ( 2017-03-09 17:30:21 +01:00
generic_sdram.c src/lib: add IS_ENABLED() around Kconfig symbol references 2017-07-06 00:19:37 +00:00
gpio.c src/lib: Add space before ( 2017-03-09 17:30:21 +01:00
halt.c src/lib: Fix brace positions 2017-03-13 17:21:16 +01:00
hardwaremain.c src/lib: add IS_ENABLED() around Kconfig symbol references 2017-07-06 00:19:37 +00:00
hexdump.c
hexstrtobin.c
hw-time-timer.adb
imd.c Rename __attribute__((packed)) --> __packed 2017-07-13 19:45:59 +00:00
imd_cbmem.c lib/cbmem: provide optional cbmem top initialization hook 2017-08-04 04:29:57 +00:00
jpeg.c src/lib: Fix checkpatch warning: no spaces at the start of a line 2017-07-25 14:26:07 +00:00
jpeg.h src/lib: Wrap lines at 80 columns 2017-03-13 17:21:02 +01:00
Kconfig lib/edid: Split out fill_lb_framebuffer() 2017-05-30 18:32:44 +02:00
libgcc.c
libgcov.c Rename __attribute__((packed)) --> __packed 2017-07-13 19:45:59 +00:00
lzma.c src/lib: Wrap lines at 80 columns 2017-03-13 17:21:02 +01:00
lzmadecode.c src/lib: Remove semicolon from end of macro 2017-03-13 21:24:26 +01:00
lzmadecode.h src/lib: Wrap lines at 80 columns 2017-03-13 17:21:02 +01:00
Makefile.inc postcar: Add cbmem_stage_cache 2017-09-06 05:02:44 +00:00
malloc.c src/lib: add IS_ENABLED() around Kconfig symbol references 2017-07-06 00:19:37 +00:00
memchr.c
memcmp.c src/lib: Add space before ( 2017-03-09 17:30:21 +01:00
memcpy.c
memmove.c src/lib: Add space before ( 2017-03-09 17:30:21 +01:00
memrange.c src/lib: Use tabs instead of spaces 2017-03-13 15:46:02 +01:00
memset.c
nhlt.c lib/nhlt: add support for setting the oem_revision 2016-12-01 08:17:42 +01:00
primitive_memtest.c src/lib: Add space before ( 2017-03-09 17:30:21 +01:00
prog_loaders.c src/lib: Remove unnecessary code 2017-03-13 21:23:58 +01:00
prog_ops.c Rename __attribute__((packed)) --> __packed 2017-07-13 19:45:59 +00:00
program.ld lib/program.ld: Guard .id section placement 2017-07-30 00:06:20 +00:00
ramtest.c src/lib: add IS_ENABLED() around Kconfig symbol references 2017-07-06 00:19:37 +00:00
reg_script.c src/lib: add IS_ENABLED() around Kconfig symbol references 2017-07-06 00:19:37 +00:00
region_file.c lib: add region file support 2016-12-08 16:10:28 +01:00
reset.c Consolidate reset API, add generic reset_prepare mechanism 2017-06-13 20:53:09 +02:00
rmodule.c stage_cache: Add rmodule params in metadata 2017-09-08 03:17:52 +00:00
rmodule.ld
romstage_handoff.c lib: put romstage_handoff implementation in own compilation unit 2016-12-01 08:16:47 +01:00
romstage_stack.c
rtc.c
selfboot.c src: change coreboot to lowercase 2017-06-07 12:09:15 +02:00
spd_bin.c lib/spd_bin: Use proper I2C addresses 2017-06-29 15:41:02 +00:00
stack.c src/lib: Wrap lines at 80 columns 2017-03-13 17:21:02 +01:00
thread.c src/lib: Wrap lines at 80 columns 2017-03-13 17:21:02 +01:00
timer.c src/lib: Clean up general issues found by checkpatch.pl 2017-03-15 05:05:04 +01:00
timer_queue.c src/lib: Fix spacing 2017-03-13 17:16:08 +01:00
timestamp.c timestamp: Add function to get time since boot 2017-09-14 18:12:39 +00:00
tlcl.c src/lib: Clean up general issues found by checkpatch.pl 2017-03-15 05:05:04 +01:00
tlcl_internal.h src/lib: Fix brace positions 2017-03-13 17:21:16 +01:00
tlcl_structures.h src/lib: Wrap lines at 80 columns 2017-03-13 17:21:02 +01:00
tpm2_marshaling.c drivers/i2c/tpm: use iobuf library for marshaling commands 2017-04-24 19:07:07 +02:00
tpm2_marshaling.h drivers/i2c/tpm: use iobuf library for marshaling commands 2017-04-24 19:07:07 +02:00
tpm2_tlcl.c cr50: process uninitialized values gracefully 2017-06-21 20:29:11 +00:00
tpm2_tlcl_structures.h Rename __attribute__((packed)) --> __packed 2017-07-13 19:45:59 +00:00
tpm_error_messages.h src/lib: Wrap lines at 80 columns 2017-03-13 17:21:02 +01:00
trace.c
ubsan.c Add support for Undefined Behavior Sanitizer 2017-06-14 19:56:59 +02:00
version.c
wrdd.c