CVS log for src/sys/stand/efiboot/exec.c

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Pull up following revision(s) (requested by rin in ticket #898):

	sys/stand/efiboot/exec.c: revision 1.26

When freeing pages, pass page count instead of byte count.

when freeing pages, pass page count instead of byte count.

Rename some symbols for consistency with the style used elsewhere
in efiboot.

NFCI.

Pull up following revision(s) (requested by rin in ticket #451):

	sys/stand/efiboot/efiblock.c: revision 1.20
	sys/stand/efiboot/exec.c: revision 1.24
	sys/stand/efiboot/Makefile.efiboot: revision 1.29
	sys/stand/efiboot/boot.c: revision 1.45

Add missing member for terminating sentinel.

Avoid void * pointer arithmetic; cast to UINT8 * explicitly.
No binary changes for aarch64 at least.

Use %zd instead of %ld for ssize_t.

Add missing include paths for libz. Not used at the moment although.

Use %zd instead of %ld for ssize_t.

efiboot: Make FDT support optional on a per-arch basis.

Sync with HEAD.

Enable the twiddle spinner when loading the kernel, ramdisk images, and
modules.

Sync w/ HEAD.

sync with head

Disable ACPI support when booting big endian kernels.

Sync with HEAD.

Consistently have ALIGN sizes as the power of two size, i.e. change
FDT_ALIGN, and use the same math(s) to round.

In the process fix the load_offset for the kernel to use the EFIBOOT_ALIGN
aligned address if that's what we get from AllocatePages.

Support EFI runtime and GOP FB for devicetree (non-ACPI) setups.

Remove support for storing settings in EFI environment variables now that
we have boot.cfg support.

Add dtoverlay command to specify device tree overlays from the boot
loader command line.  Add support for specifying device tree overlays
in boot.cfg, with the syntax:

dtoverlay=/path/to/overlay.dtbo
dtoverlay=hd0e:/overlays/example.dtbo

Multiple overlays can be specified, and they are loaded in the order
they appear in boot.cfg.

Remove support for efiboot.plist.

Add module support.

If a device tree overlay does not have a "compatible" match, don't
load it.  (Oops, missing return statement.)

Pass EFI RNG output via /chosen/netbsd,efirng-{start,end}.

This is separate from /chosen/netbsd,rndseed-{start,end}, which
specifies NetBSD's persistent on-disk seed; efirng is the firmware's
RNG device.

Mostly merge changes from HEAD upto 20200411

Merge changes from current as of 20200406

Pull up following revision(s) (requested by riastradh in ticket #705):

	sys/arch/aarch64/aarch64/aarch64_machdep.c: revision 1.35
	sys/stand/efiboot/efifdt.c: revision 1.20
	sys/stand/efiboot/efifdt.h: revision 1.7
	sys/arch/aarch64/include/machdep.h: revision 1.9
	sys/stand/efiboot/efiboot.h: revision 1.11
	sys/arch/arm/arm32/arm32_machdep.c: revision 1.129
	sys/arch/arm/include/arm32/machdep.h: revision 1.30
	sys/stand/efiboot/exec.c: revision 1.12
	sys/arch/evbarm/fdt/fdt_machdep.c: revision 1.65
	sys/stand/efiboot/version: revision 1.14
	sys/stand/efiboot/boot.c: revision 1.19

New function cpu_startup_hook on arm.

Called at end of cpu_startup.  Can be defined in, e.g., evbarm to do
additional stuff after cpu_startup.  Defined as a weak alias to a
function that does nothing, so optional.
ok jmcneill

Implement rndseed support in efiboot and fdt arm.

The EFI environment variable `rndseed' specifies the path to the
random seed.  It is loaded only for fdt platforms at the moment.
Since the rndseed (an rndsave_t object as defined in <sys/rndio.h>)
is 536 bytes long (for hysterical raisins), and to avoid having to
erase parts of the fdt tree, we load it into a physical page whose
address is passed in the fdt tree, rather than passing the content of
the file as an fdt node directly; the kernel then reserves the page
from uvm, and maps it into kva to call rnd_seed.

For now, the only kernel that does use efiboot with fdt is evbarm,
which knows to handle the rndseed.  Any new kernels that use efiboot
with fdt must do the same; otherwise uvm may hand out the page with
the secret key on it for a normal page allocation in the kernel --
which should be OK if there are no kernel memory disclosure bugs, but
would lead to worse consequences than simply loading the seed late in
userland with /etc/rc.d/random_seed otherwise.

ok jmcneill

Pull up following revision(s) (requested by jmcneill in ticket #653):

	sys/stand/efiboot/prompt.c: revision 1.6
	sys/stand/efiboot/boot.c: revision 1.20
	sys/stand/efiboot/bootarm/Makefile: revision 1.4
	sys/stand/efiboot/efiacpi.c: revision 1.6
	sys/stand/efiboot/exec.c: revision 1.13
	sys/stand/efiboot/Makefile.efiboot: revision 1.10
	sys/stand/efiboot/bootaa64/Makefile: revision 1.7

Fix for disappearing counters on graphics consoles

Hide the twiddle while loading efiboot plist

Clean up the banner so it fits in 80 columns and add some extra details
to the "version" command output.

Sync with head.

Hide the twiddle while loading efiboot plist

Implement rndseed support in efiboot and fdt arm.

The EFI environment variable `rndseed' specifies the path to the
random seed.  It is loaded only for fdt platforms at the moment.

Since the rndseed (an rndsave_t object as defined in <sys/rndio.h>)
is 536 bytes long (for hysterical raisins), and to avoid having to
erase parts of the fdt tree, we load it into a physical page whose
address is passed in the fdt tree, rather than passing the content of
the file as an fdt node directly; the kernel then reserves the page
from uvm, and maps it into kva to call rnd_seed.

For now, the only kernel that does use efiboot with fdt is evbarm,
which knows to handle the rndseed.  Any new kernels that use efiboot
with fdt must do the same; otherwise uvm may hand out the page with
the secret key on it for a normal page allocation in the kernel --
which should be OK if there are no kernel memory disclosure bugs, but
would lead to worse consequences than simply loading the seed late in
userland with /etc/rc.d/random_seed otherwise.

ok jmcneill

Add support for simple framebuffers when booting in ACPI mode.

Sync with HEAD

file exec.c was added on branch phil-wifi on 2019-06-10 22:09:56 +0000

- Add support for a boot configuration file, defaulting to /etc/efiboot.plist.
- Add support for pre-loading EFI environment variables from efiboot.plist.
- Add support for device tree overlays specified in efiboot.plist.

(Man page for efiboot forthcoming.)

Build fixes for 32-bit targets.

Sync with HEAD, resolve a couple of conflicts

Make EFI runtime services available to the kernel. Bump version to 1.5.

Sync with head

Add ACPI support (enable with -DEFIBOOT_ACPI, currently disabled).

When UEFI reports that ACPI tables are available, generate a DTB with
compatible string "netbsd,generic-acpi" and pass this to the booted
kernel.

The DTB contains a /chosen property "netbsd,acpi-root-table" that contains
the physical address of the ACPI RSDP, along with a special /acpi node
with compatible string "netbsd,acpi" for the kernel to attach an acpi(4)
device driver.

Ssync with HEAD

Suppress printing size info when calling loadfile with COUNT_KERNEL

Add "dtb" command for loading a custom .dtb file.

Add initrd support.

Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)

file exec.c was added on branch pgoyette-compat on 2018-09-06 06:56:47 +0000

Support loading kernels at PAs above 0x3fffffffff on arm64

Pass a hash of the MBR and the booted partition to the kernel.

Add MI EFI bootloader and AArch64 glue.