contains one. Published dts source often includes a minimal default
memory definition and expects it to be overridden by the bootloader after
determining the actual physical memory in the system.
Motivation is to introduce BIOS specific quirks early in the boot
process. smbios_match can be called before malloc is avaible, that's
why parts of smbios_detect have been moved into a separate function
smbios_probe that will be called by smbios_detect as well as
smbios_match.
Reviewed by: jhb
Approved by: jhb
Differential Revision: https://reviews.freebsd.org/D1679
In UEFI it appears all available NICS are present to pass network traffic.
This gives the capability to load the loader.efi from disk then set
currdev="net3:" and then all I/O will over over the 2nd NIC. On this
machine is appears the first handle is the first NIC in IPv4 mode and
then the 2nd handle is the first NIC in IPv6 mode. The 3rd handle is
the 2nd NIC in IPv4 mode. The fix is to index into the handle based
on the unit cached from boot device passed into the loader.
Some testing info from a test boot via kenv:
currdev="net3:"
loaddev="net3:"
boot.netif.name="igb1"
__attribute__((format(...))), and the -fformat-extensions flag was
removed, introduce a new macro in bsd.sys.mk to choose the right variant
of compile flag for the used compiler, and use it.
Also add something similar to kern.mk, since including bsd.sys.mk from
that file will anger Warner. :-)
Note that bsd.sys.mk does not support the MK_FORMAT_EXTENSIONS knob used
in kern.mk, since that knob is only available in kern.opts.mk, not in
src.opts.mk. We might want to add it later, to more easily support
external compilers for building world (in particular, sys/boot).
o Digital Audio Multiplexer (AUDMUX)
o Smart Direct Memory Access Controller (SDMA)
o Synchronous Serial Interface (SSI)
Disable by default as it depends on SDMA firmware.
Sponsored by: Machdep, Inc.
(This change was supposed to be included in r277508.)
sys/boot/i386/libfirewire/firewire.c:
Fix configuration ROM generation count wrapping logic
so that the generation count is never outside of
allowed limits (0x2 -> 0xF).
Submitted by: gibbs
MFC after: 1 week
MFC with: 277508
Sponsored by: Spectra Logic
MFSpectraBSD: 1110685 on 2015/01/05
The data in MODINFOMD_MODULEP is packed by the loader as a 4 byte type, but
the amd64 kernel expects a vm_paddr_t, which is of size 8 bytes. Fix this by
saving it as 8 bytes in the loader and retrieving it using the proper type
in the kernel.
Sponsored by: Citrix Systems R&D
driver on Rockchip boards. It currently supports PIO mode
and dma mode needs external dma controller to be used.
Submitted by: jmcneill
Approved by: stas (mentor)
Use the proper types in parse_modmetadata for the p_start and p_end
parameters. This was causing problems in the ARM 32bit loader.
Sponsored by: Citrix Systems R&D
Reported and Tested by: ian
Implement a subset of the multiboot specification in order to boot Xen
and a FreeBSD Dom0 from the FreeBSD bootloader. This multiboot
implementation is tailored to boot Xen and FreeBSD Dom0, and it will
most surely fail to boot any other multiboot compilant kernel.
In order to detect and boot the Xen microkernel, two new file formats
are added to the bootloader, multiboot and multiboot_obj. Multiboot
support must be tested before regular ELF support, since Xen is a
multiboot kernel that also uses ELF. After a multiboot kernel is
detected, all the other loaded kernels/modules are parsed by the
multiboot_obj format.
The layout of the loaded objects in memory is the following; first the
Xen kernel is loaded as a 32bit ELF into memory (Xen will switch to
long mode by itself), after that the FreeBSD kernel is loaded as a RAW
file (Xen will parse and load it using it's internal ELF loader), and
finally the metadata and the modules are loaded using the native
FreeBSD way. After everything is loaded we jump into Xen's entry point
using a small trampoline. The order of the multiboot modules passed to
Xen is the following, the first module is the RAW FreeBSD kernel, and
the second module is the metadata and the FreeBSD modules.
Since Xen will relocate the memory position of the second
multiboot module (the one that contains the metadata and native
FreeBSD modules), we need to stash the original modulep address inside
of the metadata itself in order to recalculate its position once
booted. This also means the metadata must come before the loaded
modules, so after loading the FreeBSD kernel a portion of memory is
reserved in order to place the metadata before booting.
In order to tell the loader to boot Xen and then the FreeBSD kernel the
following has to be added to the /boot/loader.conf file:
xen_cmdline="dom0_mem=1024M dom0_max_vcpus=2 dom0pvh=1 console=com1,vga"
xen_kernel="/boot/xen"
The first argument contains the command line that will be passed to the Xen
kernel, while the second argument is the path to the Xen kernel itself. This
can also be done manually from the loader command line, by for example
typing the following set of commands:
OK unload
OK load /boot/xen dom0_mem=1024M dom0_max_vcpus=2 dom0pvh=1 console=com1,vga
OK load kernel
OK load zfs
OK load if_tap
OK load ...
OK boot
Sponsored by: Citrix Systems R&D
Reviewed by: jhb
Differential Revision: https://reviews.freebsd.org/D517
For the Forth bits:
Submitted by: Julien Grall <julien.grall AT citrix.com>
associating an optional PNP hint table with this module. In the
future, when these are added, these changes will silently ignore the
new type they would otherwise warn about. It will always be safe to
ignore this data. Get this into the builds today for some future
proofing.
MFC After: 3 days
To cut off the power we need to start the shutdown sequence by writing
the OFF bit on PMIC.
Once the PMIC is programmed the SoC needs to toggle the PMIC_PWR_ENABLE
pin when it is ready for the PMIC to cut off the power. This is done by
triggering the ALARM2 interrupt on SoC RTC.
The RTC driver only works in power management mode which means it won't
provide any kind of time keeping functionality. It only implements a way
to trigger the ALARM2 interrupt when requested.
Differential Revision: https://reviews.freebsd.org/D1489
Reviewed by: rpaulo
MFC after: 2 weeks
loader on PS3 and POWER8 systems. This is reasonably portable to other
architectures, especially FDT-based ones, if similar features are useful
elsewhere.
Netboot support is missing for now and will be added in a future commit,
at which time loader.ps3 will be garbage collected.
Done at: Hackathon
standard file in the following ways:
- modules_path includes /boot/dtb
- It doesn't contain 533 lines, of which 500 are either commented out,
empty, or something_which_doesnt_work_on_arm_anyway=NO
The standard defaults file takes 40+ seconds to process on an arm beaglebone
board. This one takes just a couple seconds.
This gets installed instead of the original because of the .PATH magic in
the makefile.
This enables the use of GPIO pins as interrupt sources for kernel devices
directly attached to gpiobus (userland notification will be added soon).
The use of gpio interrupts for other kernel devices will be possible when
intrng is complete.
All GPIO pins can be set to trigger on:
- active-low;
- active-high;
- rising edge;
- falling edge.
Tested on: Beaglebone-black
According to objcopy(1) --target is for use where the input and output
formats are the same ("no translation"). In practice it does detect the
input format in any case, but be explicit that we're specifying the
output format as we are translating from ELF to EFI PE format.
Sponsored by: The FreeBSD Foundation
output frequency of the "twiddle" IO progress indicator. The default
value is 1. For larger values N, the next stage of the animation is only
output on every Nth call to the output routine. A sufficiently large N
effectively disables the animation completely.
o Move similar block/networking methods to common file
o Follow r275640 and correct MMIO registers width
o Pass value to MMIO platform_note method.
Sponsored by: DARPA, AFRL
The .text, .bss, and .data sections claimed 16-byte alignment, but were
only aligned to 8 by the linker script.
Discovered with strip(1) from elftoolchain, which performs validation
absent from the binutils strip(1).
Sponsored by: DARPA, AFRL
crowded as we now are at about 70k. Bump the limit to 1MB instead
which is still quite a reasonable limit and allows for future growth
of this file and possible future expansion to additional data.
MFC After: 2 weeks
commit 6d3c4c09226ad6bdd662e3e52489ef294a6ce298
Add terasic_mtl vt(4) framebuffer driver
terasic_mtl can be built with syscons(4) and vt(4) attachments, selected
at compile time.
commit 33240259b47a7c990a5a88a19f133a5600432a4c
Clear terasic_mtl text buffer on attach
commit d188c2d2412953f949624aa35cd07082830943c9
Update terasic vt(4) driver for FreeBSD r269783
commit d1cc54eee852fa4fc9d359d5bb2171d24ec73369
Safety belt to ensure vt(4) fb parameters are correct
commit 76e6d468ef45711d7952786095fc4791289ebb4b
Improve terasic_mtl_vt fdt parsing
- Use OF_getencprop to avoid need for explicit endian handling
(submitted by ray@freebsd.org)
- Check for expected length and correct pointer type
commit 3e2524b8995ab66e8a9295e4c87cbc7126eeddf4
Correct device_printf usage
commit 9e53e3c8e0766414e25662c95b09cc51c92443b0
Switch framebuffer to match host endianness
Xorg and xf86-video-scfb work much better with a native-endian
framebuffer.
commit 0f49259d596321ed85288ac0e1fb4ee1c966df48
Switch DE4 to vt(4) and enable kbdmux
commit 5bc96ebc89db7d134ad478335090c8477c1677c7
Add missing \n in device_printf calls
Submitted by: emaste
Sponsored by: DARPA, AFRL
to the loader in a similar way to the ACPI tables.
This will be used on arm64 but is not specific to the architecture.
Sponsored by: The FreeBSD Foundation
The various structures in the mod_metadata set of a FreeBSD kernel and
modules contain pointers. The FreeBSD loader correctly deals with a
mismatch in loader and kernel pointer size (e.g. 32-bit i386/ppc
loader, loading 64-bit amd64/ppc64 kernels), but wasn't dealing with
the inverse case where a 64-bit loader was loading a 32-bit kernel.
Reported by: ktcallbox@gmail.com with a bhyve/i386 and ZFS root install
Differential Revision: https://reviews.freebsd.org/D1129
Reviewed by: neel, jhb
MFC after: 1 week
gzip, and split). "Real" filesystems should always be listed first so
that the "bare" filename is tried before alternate filenames. For PXE
booting in particular this can remove a lot of spurious pathname lookups.
While here, move splitfs to the bottom after the bzip and gzip filesystems
as it is the least often used.
Tested by: Prokash Sinha <psinha@panasas.com>
MFC after: 1 week
ZFS large block support.
Please note that booting from datasets that have recordsize greater
than 128KB is not supported (but it's Okay to enable the feature on
the pool). This *may* remain unchanged because of memory constraint.
Limited safety belt is provided for mounted root filesystem but use
caution is advised.
Illumos issue:
5027 zfs large block support
MFC after: 1 month
have chosen different (and more traditional) stateless/statuful
NAT64 as translation mechanism. Last non-trivial commits to both
faith(4) and faithd(8) happened more than 12 years ago, so I assume
it is time to drop RFC3142 in FreeBSD.
No objections from: net@
moving U-Boot specific code from libfdt.a to a new libuboot_fdt.a. This
needs to be a new library for linking to work correctly.
Differential Revision: https://reviews.freebsd.org/D1054
Reviewed by: ian, rpaulo (earlier version)
MFC after: 1 week
- convert boot1.efi to corrrectly calculate the lba for what the
media reports and convert the size based on what FreeBSD uses.
The existing code would use the 512 byte lba and convert the
size using 4K byte size.
- make fsck_msdosfs read the boot block as 4K so the read doesn't
fail on a 4Kn drive since FreeBSD will error out parition reads
of a block. Make the bpbBytesPerSec check a multiple of 512 since
it can be 512 or 4K depending on the disk. This allows fsck to
pass checking the EFI partition on a 4Kn disk.
To create the EFI file system I used:
newfs_msdos -F 32 -S 4096 -c 1 -m 0xf8 <partition>
This works for booting 512 and 4Kn disks.
Caveat is that loader.efi cannot read the 4Kn EFI partition. This isn't
critical right now since boot1.efi will read loader.efi from the ufs
partition. It looks like loader.efi can be fixed via making some of the
512 bytes reads more flexible. loader.efi doesn't have trouble reading
the ufs partition. This is probably a simple fix.
I now have FreeBSD installed on a system with 4Kn drives and tested the
same code works on 512.
MFC after: 1 week
This involves:
1. Have the loader pass the start and size of the .ctors section to the
kernel in 2 new metadata elements.
2. Have the linker backends look for and record the start and size of
the .ctors section in dynamically loaded modules.
3. Have the linker backends call the constructors as part of the final
work of initializing preloaded or dynamically loaded modules.
Note that LLVM appends the priority of the constructors to the name of
the .ctors section. Not so when compiling with GCC. The code currently
works for GCC and not for LLVM.
Submitted by: Dmitry Mikulin <dmitrym@juniper.net>
Obtained from: Juniper Networks, Inc.
The powerpc support was the only supported architecture not prepending the elf format name
with "-freebsd" in base this change makes it consistent with other architectures.
On newer version of binutils the powerpc format is also prepended with "-freebsd".
Also modify the kernel ldscripts in that regards.
As a result it is now possible cross build the kernel on powerpc using newer binutils
Differential Revision: https://reviews.freebsd.org/D926
Differential Revision: https://reviews.freebsd.org/D928
the oabi is still in the tree, but it is expected this will be removed
as developers work on surrounding code.
With this commit the ARM EABI is the only supported supported ABI by
FreeBSD on ARMa 32-bit processors.
X-MFC after: never
Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D876
Commit my version of style(9) pass over the firewire code. Now that
other people have started changing the code carrying this is as a
local patch is not longer a viable option.
MFC after: 1 month
The loader previously failed to display on MacBooks and other systems
where the UEFI firmware remained in graphics mode.
Submitted by: Rafael Espíndola
bootloader. Implement the following routines:
pcibios-device-count count the number of instances of a devid
pcibios-read-config read pci config space
pcibios-write-config write pci config space
pcibios-find-devclass find the nth device with a given devclass
pcibios-find-device find the nth device with a given devid
pcibios-locator convert bus device function ti pcibios locator
These commands are thin wrappers over their PCI BIOS 2.1 counterparts. More
informaiton, such as it is, can be found in the standard.
Export a nunmber of pcibios.X variables into the environment to report
what the PCI IDENTIFY command returned.
Also implmenet a new command line primitive (pci-device-count), but don't
include it by default just yet, since it depends on the recently added
words and any errors here can render a system unbootable.
This is intended to allow the boot loader to do special things based
on the hardware it finds. This could be have special settings that are
optimized for the specific cards, or even loading special drivers. It
goes without saying that writing to pci config space should not be
done without a just cause and a sound mind.
Sponsored by: Netflix
u-boot env into the loader(8) env (which also gets them into the kernel
env). You can import selected variables or the whole environment. Each
u-boot var=value becomes uboot.var=value in the loader env. You can also
use 'ubenv show' to display uboot vars without importing them.
1. 50+% of NO_PIE use is fixed by adding -fPIC to INTERNALLIB and other
build-only utility libraries.
2. Another 40% is fixed by generating _pic.a variants of various libraries.
3. Some of the NO_PIE use is a bit absurd as it is disabling PIE (and ASLR)
where it never would work anyhow, such as csu or loader. This suggests
there may be better ways of adding support to the tree. Many of these
cases can be fixed such that -fPIE will work but there is really no
reason to have it in those cases.
4. Some of the uses are working around hacks done to some Makefiles that are
really building libraries but have been using bsd.prog.mk because the code
is cleaner. Had they been using bsd.lib.mk then NO_PIE would not have
been needed.
We likely do want to enable PIE by default (opt-out) for non-tree consumers
(such as ports). For in-tree though we probably want to only enable PIE
(opt-in) for common attack targets such as remote service daemons and setuid
utilities. This is also a great performance compromise since ASLR is expected
to reduce performance. As such it does not make sense to enable it in all
utilities such as ls(1) that have little benefit to having it enabled.
Reported by: kib
like EX and SRX. The install command uses pkgfs to extract a kernel,
zero or more modules and a root file system from the specified package
and boots the kernel. The name of the kernel, the list of modules and
the name of the root file system can be specified by putting a
file called "metatags in the package.
The package to use is given by an URL. The schemes supported are
tftp and file. For the file scheme, the disk is currently hardcoded
but that should really look for the package on all devices and
partititions.
Obtained from: Juniper Networks, Inc.
Make the sysinit tool a build tool rather than building in with
/usr/bin/cc and running it from OBJDIR. (It will be moved to usr.bin
once a manpage is written and a few style cleanups are done.)
Split the makefile bits for Hans' kernel shim layer into their own
includable kshim.mk.
Move USB support into a .mk file so loaders can include it.
(4 in operation), 4GB ram (3.5 usable) ARM machine.
Support covers device drivers for:
- Serial Peripheral Interface (SPI)
- Chrome Embedded Controller (EC) - SPI-based version
- XHCI and USB 3.0 dual-role device PHY
Also:
- Add support for Exynos5420 in Pad module
- Move power-related functions to separate driver --
Power Management Unit (PMU)
- Enable XHCI for Chromebook1
Special thanks to grehan@ for hardware, and to
hselasky@ for r269139.
compressed tarball, aka package. The file system assumes that the
files are layed-out in the same order as needed to allow for the
package to be streamed. As such, it does not read an entire package
into memory first.
Some properties of the file system:
o Files that start with '+' are silently skipped. These are found
in FreeBSD package files.
o Files smaller than or equal to 4KB will be cached in memory and
as such allow for some flexibility in accessing files out of
order.
o Files with the .tgz suffix are assumed to be (sub-)packages and
signal the end for a directory scan.
Obtained from: Juniper Networks, Inc.
place for the NFS-based PXE loader. Information like rootpath
or rootip aren't that useful for TFTP and the gateway IP is
typically already printed by the firmware.
2. Only set boot.nfsroot.* environment variables for NFS. This
makes it possible for the OS to work either way by checking
for the presence or absence of environment variables.
3. Set boot.netif.server when using TFTP so that the OS can fetch
files as well. A typical use case for this is network-based
installations with the installation process implemented on
top of FreeBSD.
4. The pxelinux loader has a set of alternative names it tries
for configuration files. Make it easier to do something
similar in Forth by providing the IP address as a 32-bit hex
number in the pxeboot.ip variable and the MAC address with
dashes in the pxeboot.hwaddr environment variable.
Obtained from: Juniper Networks, Inc.
particular, allow loaders to define the name of the RC script the
interpreter needs to use. Use this new-found control to have the
PXE loader (when compiled with TFTP support and not NFS support)
read from ${bootfile}.4th, where ${bootfile} is the name of the
file fetched by the PXE firmware.
The normal startup process involves reading the following files:
1. /boot/boot.4th
2. /boot/loader.rc or alternatively /boot/boot.conf
When these come from a FreeBSD-defined file system, this is all
good. But when we boot over the network, subdirectories and fixed
file names are often painful to administrators and there's really
no way for them to change the behaviour of the loader.
Obtained from: Juniper Networks, Inc.
This also fixes a few minor violations of the SD protocol, such as running
the bus at high speed during the card identification sequence.
The sdcard_init() routine now probes for SDHC cards so that later read
requests can make needed adjustments between block and byte offsets based
on card type.
There is a new MCI_readblocks() function that takes block number and block
count parameters instead of byte-offset values. Using this routine, boot
loader code can load a kernel from any location on an SDHC or standard SD.
The old MCI_read() interface remains unchanged so that existing customized
boot loader code will still keep working without changes. Using this
routine, boot loaders can load a kernel from anywhere in the first 4GB of
an SDHC card (or of course any location on a standard SD card).
A new sdcard_use4wire() routine allows boot loaders to request 4-bit
transfers; it should be called after sdcard_init(). The sdcard_init()
routine no longer assumes the hardware is 4-wire capable and by default
sets things up for 1-bit transfers. (4-wire mode is unreliable on
at91rm9200, works on later SoCs.)
PR: 155894
Submitted by: me. years ago.
Setting PSE together with PAE or in long mode just makes the PSE bit
completely ignored, so don't set it.
Sponsored by: Citrix Systems R&D
Reviewed by: kib
that it can connect to switches at speeds other than 1gb.
This requires changing the reference clock speed. Since we still don't
have a general clock API that lets a SoC-independant driver manipulate its
own clocks, this change includes a weak reference to a routine named
cgem_set_ref_clk(). The default implementation is a no-op; SoC-specific
code can provide an implementation that actually changes the speed.
Submitted by: Thomas Skibo <ThomasSkibo@sbcglobal.net>
percentage of machines has a 16550. Disable it for pc98 since only a
tiny fraction of them have one. These changes save 293 bytes when
building with clang, but preserves the ability to build with serial if
you really want. We now have 92 bytes free (412 with the in-tree gcc).
This includes:
o All directories named *ia64*
o All files named *ia64*
o All ia64-specific code guarded by __ia64__
o All ia64-specific makefile logic
o Mention of ia64 in comments and documentation
This excludes:
o Everything under contrib/
o Everything under crypto/
o sys/xen/interface
o sys/sys/elf_common.h
Discussed at: BSDcan
The EFI framebuffer produces corrupted output on certain systems. For
now display the framebuffer parameters (address, dimensions, etc.) on
boot to aid in tracking down these issues.
Sponsored by: The FreeBSD Foundation
This is currently an opt-in build flag. Once ASLR support is ready and stable
it should changed to opt-out and be enabled by default along with ASLR.
Each application Makefile uses opt-out to ensure that ASLR will be enabled by
default in new directories when the system is compiled with PIE/ASLR. [2]
Mark known build failures as NO_PIE for now.
The only known runtime failure was rtld.
[1] http://www.bsdcan.org/2014/schedule/events/452.en.html
Submitted by: Shawn Webb <lattera@gmail.com>
Discussed between: des@ and Shawn Webb [2]
(7-bit device address << 1), always leaving the room for the read/write bit.
This commit convert ti_i2c and revert r259127 on bcm2835_bsc to make them
compatible with 8-bit addresses. Previous to this commit an i2c device
would have different addresses depending on the controller it was attached
to (by example, when compared to any iicbb(4) based i2c controller), which
was a pretty annoying behavior.
Also, update the PMIC i2c address on beaglebone* DTS files to match the new
address scheme.
Now the userland utilities need to do the correct slave address shifting
(but it is going to work with any i2c controller on the system).
Discussed with: ian
MFC after: 2 weeks
If the user specifies in /boot/loader.conf:
loader_brand="mycustom-brand"
Then "mycustom-brand" will be executed instead of "fbsd-logo".
Submitted by: alfred
Obtained from: FreeNAS
- Make the USB boot library more configurable.
- Resolve compile issues when cross building.
- Allow use of separate malloc.
- Allow use of separate endian macros.
Sponsored by: DARPA, AFRL
o Allow setting keymap in FDT, use hardcoded one by default
o Represent fallback keymap as a list rather than directly usable M*N array
Submitted by: Maxim Ignatenko <gelraen.ua@gmail.com>
current RADXA config. Radxa Rock (RR) boards have few types such as
RR (full version), RR Lite and some variants of RR engineering samples.
Add kernel config and FDT file for RR Lite board.
Approved by: stas (mentor)
- Update FDT file for BERI DE4 boards.
- Add needed kernel configuration keywords.
- Rename module to saf1761otg so that the device unit number does not
interfere with the hardware ID in dmesg.
Sponsored by: DARPA, AFRL
thicket of .if ${COMPILER_TYPE} == "clang" that controls
warnings. Also, use CFLAGS.clang in a couple places in preference to
having a similar construct that's related to the CWARNFLAGS changes.
lindev(4) was only used to provide /dev/full which is now a standard feature of
FreeBSD. /dev/full was never linux-specific and provides a generally useful
feature.
Document this in UPDATING and bump __FreeBSD_version. This will be documented
in the PH shortly.
Reported by: jkim
Adjust the exynos and zedboard dts files to use max-frequency (the
documented standard property) instead of clock-frequency.
Submitted by: Thomas Skibo <ThomasSkibo@sbcglobal.net>
This allows existing loader.conf files that set "console=comconsole"
to work without failing. No functional difference otherwise.
Reported by: Michael Dexter, pfSense install.
Reviewed by: neel
MFC after: 3 weeks
copy of the code from boot1.chrp again.
The resulting image is installed to /boot/boot1.efifat. If dd'ed to an 800K
"efi" partition, it should result in a bootable system.
NetFPGA-10G Embedded CPU Ethernet Core.
The current version operates on a simple PIO based interface connected
to a NetFPGA-10G port.
To avoid confusion: this driver operates on a CPU running on the FPGA,
e.g. BERI/mips, and is not suited for the PCI host interface.
MFC after: 1 week
Relnotes: yes
Sponsored by: DARPA/AFRL
and finish the job. ncurses is now the only Makefile in the tree that
uses it since it wasn't a simple mechanical change, and will be
addressed in a future commit.
the PowerPC port with all the Open Firmware bits removed and replaced by
their EFI counterparts. On the whole, I think I prefer Open Firmware.
This code is supposed to be an immutable shim that sits on the EFI system
partition, loads /boot/loader.efi from UFS and tells the real loader what
disk/partition to look at. It finds the UFS root partition by the somewhat
braindead approach of picking the first UFS partition it can find. Better
approaches are called for, but this works for now. This shim loader will
also be useful for secure boot in the future, which will require some
rearchitecture.
Previously ${COMPILER_TYPE} was checked in sys/boot/amd64, and the efi
subdirectory was skipped altogether for gcc (since GCC does not support
a required attribute). However, during the early buildworld stages
${COMPILER_TYPE} is the existing system compiler (i.e., gcc on 9.x build
hosts), not the compiler that will eventually be used. This caused
"make obj" to skip the efi subdirectory. In later build stages
${COMPILER_TYPE} is "clang", and then the efi loader would attempt to
build in the source directory.
Sponsored by: The FreeBSD Foundation
The UEFI loader causes buildworld to fail when building with (in-tree)
GCC, due to a typedef redefinition. As it happens the in-tree GCC
cannot successfully build the UEFI loader anyhow, as it does not support
__attribute__((ms_abi)). Thus, just avoid trying to build it with GCC, rather than disconnecting it from the build until the underlying issue
is fixed.
Sponsored by: The FreeBSD Foundation
- Don't allow high-speed mode on OMAP4 due to hardware erratum.
- Check the proper bit in the status register when waiting for the
controller to come out of reset.
- Add handling for the "non-removable" fdt property by always returning
"card is present" status.
- Add the non-removable property for the MMC card on a Beaglebone Black.
- Add the non-removable property for Pandaboard as a workaround.
For Pandaboard the card detect pin is handled by the twl6030 fpga device
which gets an interrupt on pin change and then has to query the fpga
for the actual status. We don't have code to do that yet.
Submitted by: Svatopluk Kraus <onwahe@gmail.com>
This is largely the work from the projects/uefi branch, with some
additional refinements. This is derived from (and replaces) the
original i386 efi implementation; i386 support will be restored later.
Specific revisions of note from projects/uefi:
r247380:
Adjust our load device when we boot from CD under UEFI.
The process for booting from a CD under UEFI involves adding a FAT
filesystem containing your loader code as an El Torito boot image.
When UEFI detects this, it provides a block IO instance that points at
the FAT filesystem as a child of the device that represents the CD
itself. The problem being that the CD device is flagged as a "raw
device" while the boot image is flagged as a "logical partition". The
existing EFI partition code only looks for logical partitions and so
the CD filesystem was rendered invisible.
To fix this, check the type of each block IO device. If it's found to
be a CD, and thus an El Torito boot image, look up its parent device
and add that instead so that the loader will then load the kernel from
the CD filesystem. This is done by using the handle for the boot
filesystem as an alias.
Something similar to this will be required for booting from other
media as well as the loader will live in the EFI system partition, not
on the partition containing the kernel.
r246231:
Add necessary code to hand off from loader to an amd64 kernel.
r246335:
Grab the EFI memory map and store it as module metadata on the kernel.
This is the same approach used to provide the BIOS SMAP to the kernel.
r246336:
Pass the ACPI table metadata via hints so the kernel ACPI code can
find them.
r246608:
Rework copy routines to ensure we always use memory allocated via EFI.
The previous code assumed it could copy wherever it liked. This is not
the case. The approach taken by this code is pretty ham-fisted in that
it simply allocates a large (32MB) buffer area and stages into that,
then copies the whole area into place when it's time to execute. A more
elegant solution could be used but this works for now.
r247214:
Fix a number of problems preventing proper handover to the kernel.
There were two issues at play here. Firstly, there was nothing
preventing UEFI from placing the loader code above 1GB in RAM. This
meant that when we switched in the page tables the kernel expects to
be running on, we are suddenly unmapped and things no longer work. We
solve this by making our trampoline code not dependent on being at any
given position and simply copying it to a "safe" location before
calling it.
Secondly, UEFI could allocate our stack wherever it wants. As it
happened on my PC, that was right where I was copying the kernel to.
This did not cause happiness. The solution to this was to also switch
to a temporary stack in a safe location before performing the final
copy of the loaded kernel.
r246231:
Add necessary code to hand off from loader to an amd64 kernel.
r246335:
Grab the EFI memory map and store it as module metadata on the kernel.
This is the same approach used to provide the BIOS SMAP to the kernel.
r246336:
Pass the ACPI table metadata via hints so the kernel ACPI code can
find them.
r246608:
Rework copy routines to ensure we always use memory allocated via EFI.
The previous code assumed it could copy wherever it liked. This is not
the case. The approach taken by this code is pretty ham-fisted in that
it simply allocates a large (32MB) buffer area and stages into that,
then copies the whole area into place when it's time to execute. A more
elegant solution could be used but this works for now.
r247214:
Fix a number of problems preventing proper handover to the kernel.
There were two issues at play here. Firstly, there was nothing
preventing UEFI from placing the loader code above 1GB in RAM. This
meant that when we switched in the page tables the kernel expects to
be running on, we are suddenly unmapped and things no longer work. We
solve this by making our trampoline code not dependent on being at any
given position and simply copying it to a "safe" location before
calling it.
Secondly, UEFI could allocate our stack wherever it wants. As it
happened on my PC, that was right where I was copying the kernel to.
This did not cause happiness. The solution to this was to also switch
to a temporary stack in a safe location before performing the final
copy of the loaded kernel.
r247216:
Use the UEFI Graphics Output Protocol to get the parameters of the
framebuffer.
Sponsored by: The FreeBSD Foundation
r247216:
Add the ability for a device to have an "alias" handle.
r247379:
Fix network device registration.
r247380:
Adjust our load device when we boot from CD under UEFI.
The process for booting from a CD under UEFI involves adding a FAT
filesystem containing your loader code as an El Torito boot image.
When UEFI detects this, it provides a block IO instance that points
at the FAT filesystem as a child of the device that represents the CD
itself. The problem being that the CD device is flagged as a "raw
device" while the boot image is flagged as a "logical partition".
The existing EFI partition code only looks for logical partitions and
so the CD filesystem was rendered invisible.
To fix this, check the type of each block IO device. If it's found to
be a CD, and thus an El Torito boot image, look up its parent device
and add that instead so that the loader will then load the kernel from
the CD filesystem. This is done by using the handle for the boot
filesystem as an alias.
Something similar to this will be required for booting from other media
as well as the loader will live in the EFI system partition, not on the
partition containing the kernel.
r247381:
Remove a scatalogical debug printf that crept in.
The 32-bit bootloaders on amd64 now use the 32-bit version in ficl32,
as is done with libstand32. The native 64-bit ficl will be used by the
upcoming UEFI loader.
Sponsored by: The FreeBSD Foundation
We don't know our ARM security state, so one of them will operate.
- Don't set frequency, since it's unpossible in non-secure state.
Only rely on DTS clock-frequency value or get clock from timer.
Discussed with: ian, cognet
Support covers device drivers for:
- Interrupt Combiner
- gpio/pad, External Interrupts Controller (pad)
- I2C Interface
- Chrome Embedded Controller
- Chrome Keyboard
Also:
- Use new gpio dev class in EHCI driver
- Expand device tree information
