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Build time configuration for startup scripts and modules. This addresses multiple issues: * Issue #63: initrd is build fresh each time, so tracked files do not matter. * Issue #144: build time configuration * Issue #123: allows us to customize the startup experience * Issue #122: manual start-xen will go away * Issue #25: tpmtotp PCRs are updated after reading the secret * Issue #16: insmod now meaures modules
2017-03-31 15:18:46 +00:00
modules-y += linux
build the linux kernel after building the initrd
2016-08-03 01:23:18 +00:00
move to Linux 4.9.20 (issue #149)
2017-03-31 19:59:37 +00:00
linux_version := 4.9.20
build the linux kernel after building the initrd
2016-08-03 01:23:18 +00:00
linux_dir := linux-$(linux_version)
linux_tar := linux-$(linux_version).tar.xz
linux_url := https://cdn.kernel.org/pub/linux/kernel/v4.x/$(linux_tar)
allow linux 4.7 to be selected
2016-08-05 16:24:16 +00:00
use Linux 4.9.7 kernel (issue #103)
2017-02-01 16:47:43 +00:00
linux-4.9.7_hash := 0b61283b71c7397cb6b5ac3497845d3cdf8137ecd16ab39c8ac6cf5bb90e33dc
move to Linux 4.9.20 (issue #149)
2017-03-31 19:59:37 +00:00
linux-4.9.20_hash := 48660806dd32fb8dcbcf5932291bf6cc7d29240070372230871e0f56fea81341
allow linux 4.7 to be selected
2016-08-05 16:24:16 +00:00
linux_hash := $(linux-$(linux_version)_hash)
build the linux kernel after building the initrd
2016-08-03 01:23:18 +00:00
bootstrap the musl-libc gcc cross compiler and use it to build everything except coreboot
2017-01-27 22:55:44 +00:00
linux_configure := \
$(MAKE) \
Use kernel headers from our Linux kernel tree (issue #188)
2017-04-16 18:18:46 +00:00
CROSS_COMPILE="$(CROSS)" \
bootstrap the musl-libc gcc cross compiler and use it to build everything except coreboot
2017-01-27 22:55:44 +00:00
oldconfig \
build the linux kernel after building the initrd
2016-08-03 01:23:18 +00:00
linux_output := arch/x86/boot/bzImage
Make coreboot building modular to support multiple boards. This touches most of the module configurations since the coreboot build process had to add a few new features. The Linux kernel could make use of it as well if we need separate x230/chell/qemu kernels, for instance.
2016-11-23 17:11:08 +00:00
linux_config := linux.config
bootstrap the musl-libc gcc cross compiler and use it to build everything except coreboot
2017-01-27 22:55:44 +00:00
move usb-storage into a kernel module (issue #160)
2017-04-05 23:20:53 +00:00
# qemu
Build time configuration for startup scripts and modules. This addresses multiple issues: * Issue #63: initrd is build fresh each time, so tracked files do not matter. * Issue #144: build time configuration * Issue #123: allows us to customize the startup experience * Issue #122: manual start-xen will go away * Issue #25: tpmtotp PCRs are updated after reading the secret * Issue #16: insmod now meaures modules
2017-03-31 15:18:46 +00:00
linux_modules-$(CONFIG_LINUX_E1000) += drivers/net/ethernet/intel/e1000/e1000.ko
move usb-storage into a kernel module (issue #160)
2017-04-05 23:20:53 +00:00
# x230
Build time configuration for startup scripts and modules. This addresses multiple issues: * Issue #63: initrd is build fresh each time, so tracked files do not matter. * Issue #144: build time configuration * Issue #123: allows us to customize the startup experience * Issue #122: manual start-xen will go away * Issue #25: tpmtotp PCRs are updated after reading the secret * Issue #16: insmod now meaures modules
2017-03-31 15:18:46 +00:00
linux_modules-$(CONFIG_LINUX_E1000E) += drivers/net/ethernet/intel/e1000e/e1000e.ko
move usb-storage into a kernel module (issue #160)
2017-04-05 23:20:53 +00:00
Build time configuration for startup scripts and modules. This addresses multiple issues: * Issue #63: initrd is build fresh each time, so tracked files do not matter. * Issue #144: build time configuration * Issue #123: allows us to customize the startup experience * Issue #122: manual start-xen will go away * Issue #25: tpmtotp PCRs are updated after reading the secret * Issue #16: insmod now meaures modules
2017-03-31 15:18:46 +00:00
linux_modules-$(CONFIG_LINUX_USB) += drivers/usb/host/ehci-hcd.ko
linux_modules-$(CONFIG_LINUX_USB) += drivers/usb/host/ehci-pci.ko
linux_modules-$(CONFIG_LINUX_USB) += drivers/usb/host/xhci-hcd.ko
linux_modules-$(CONFIG_LINUX_USB) += drivers/usb/host/xhci-pci.ko
move usb-storage into a kernel module (issue #160)
2017-04-05 23:20:53 +00:00
linux_modules-$(CONFIG_LINUX_USB) += drivers/usb/storage/usb-storage.ko
Change ethernet drivers to be modules and measure them when they are loaded. This is a step towards unifying the server and laptop config (issue #139) and also makes it possible to later remove the USB modules from the normal boot path.
2017-03-28 20:32:58 +00:00
pass in flags to make Linux kernel reproducible (issue #94)
2017-01-28 23:38:29 +00:00
EXTRA_FLAGS := -fdebug-prefix-map=$(pwd)=heads -gno-record-gcc-switches
bootstrap the musl-libc gcc cross compiler and use it to build everything except coreboot
2017-01-27 22:55:44 +00:00
linux_target := \
Use kernel headers from our Linux kernel tree (issue #188)
2017-04-16 18:18:46 +00:00
CROSS_COMPILE="$(CROSS)" \
pass in flags to make Linux kernel reproducible (issue #94)
2017-01-28 23:38:29 +00:00
AFLAGS_KERNEL="$(EXTRA_FLAGS)" \
CFLAGS_KERNEL="$(EXTRA_FLAGS)" \
CFLAGS_MODULE="$(EXTRA_FLAGS)" \
KBUILD_BUILD_USER=user \
KBUILD_BUILD_HOST=heads-build \
KBUILD_BUILD_TIMESTAMP="1970-00-00" \
KBUILD_BUILD_VERSION=0 \
Use kernel headers from our Linux kernel tree (issue #188)
2017-04-16 18:18:46 +00:00
$(MAKE_JOBS) \
Linux kernel depends on musl-cross (issue #130)
2017-03-20 18:52:03 +00:00
# We cross compile linux now
Linux does not need the musl-libc, just the cross compiler (issue #175)
2017-04-09 06:11:18 +00:00
linux_depends := musl-cross
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