Raul E Rangel 370c116ca5 libpayload/x86/delay: Add an x86 arch_ndelay ...

This method has a pause instruction to help the CPU relax a little bit.
Measuring grunt it saves about 80mW.

BUG=b:109749762
TEST=Made sure that grunt boots.

Change-Id: I045a941ed42fcc4f2dbdd65b5cbb42d84813f50c
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-on: https://review.coreboot.org/28244
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2018-09-12 14:15:25 +00:00

..

apic.c

libpayload/x86/apic: Add an apic_delay method and calibrate the timer

2018-09-12 14:15:11 +00:00

coreboot.c

libpayload: move MRC processing to x86 path and remove ACPI_GNVS duplication

2015-03-20 15:33:47 +01:00

delay.c

libpayload/x86/delay: Add an x86 arch_ndelay

2018-09-12 14:15:25 +00:00

exception_asm.S

libpayload/x86/exception: Add ability to handle user defined interrupts

2018-09-10 15:01:04 +00:00

exception.c

libpayload/arch/x86: Add support for initializing the APIC

2018-09-12 14:14:46 +00:00

exec.S

Use more secure HTTPS URLs for coreboot sites

2017-06-07 12:04:50 +02:00

gdb.c

libpayload/x86/gdb: Migrate to use set_interrupt_handler

2018-09-10 15:01:19 +00:00

head.S

Use more secure HTTPS URLs for coreboot sites

2017-06-07 12:04:50 +02:00

Kconfig

libpayload/arch/x86: Add support for initializing the APIC

2018-09-12 14:14:46 +00:00

libpayload.ldscript

libpayload: Move base address, stack and heap size to Kconfig

2016-03-15 20:53:38 +01:00

main.c

libpayload/arch/x86: Add support for initializing the APIC

2018-09-12 14:14:46 +00:00

Makefile.inc

libpayload/x86/delay: Add an x86 arch_ndelay

2018-09-12 14:15:25 +00:00

multiboot.c

libpayload: multiboot - support meminfo flag

2017-02-17 18:20:38 +01:00

rom_media.c

libpayload: Make Kconfig bools use IS_ENABLED()

2015-06-30 18:55:15 +02:00

selfboot.c

libpayload: Introduce new Kconfig to explicitly allow GPL code

2015-01-09 07:06:27 +01:00

string.c

tree: drop last paragraph of GPL copyright header

2015-10-31 21:37:39 +01:00

sysinfo.c

libpayload: honor TSC information under CONFIG_LP_TIMER_RDTSC

2016-02-19 19:50:25 +01:00

timer.c

libpayload: timer: Move the timer drivers from depthcharge to libpayload.

2014-11-13 06:23:07 +01:00

util.S

libpayload: rename i386 to x86

2012-12-14 22:29:17 +01:00

virtual.c

libpayload: rename i386 to x86

2012-12-14 22:29:17 +01:00