Validator

[sjg20]

Initial FIT validator

This needs to be expanded to include the full schema.

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[sjg20]

Result from test by Chasel:

fdtdump UniversalPayload.fit

**** fdtdump is a low-level debugging tool, not meant for general use.
**** If you want to decompile a dtb, you probably want
**** dtc -I dtb -O dts

/dts-v1/;
// magic: 0xd00dfeed
// totalsize: 0x1000 (4096)
// off_dt_struct: 0x40
// off_dt_strings: 0x3fc
// off_mem_rsvmap: 0x30
// version: 17
// last_comp_version: 16
// boot_cpuid_phys: 0x0
// size_dt_strings: 0xbe
// size_dt_struct: 0x3bc

/ {
description = "Uefi OS Loader";
timestamp = <0x664da66a>;
size = <0x004ec000>;
spec-version = <0x00000090>;
build-revision = <0x00010105>;
images {
tianocore {
description = "Uefi Universal Payload";
project = "tianocore";
arch = "x86_64";
type = "flat-binary";
producer = "intel";
data-offset = <0x00001000>;
data-size = <0x00010000>;
reloc-start = <0x0000fd20>;
entry-start = <0x00000000 0x008014dc>;
load = <0x00000000 0x00800000>;
};
uefi-fv {
description = "UEFI Firmware Volume";
type = "flat-binary";
arch = "X64";
project = "tianocore";
compression = "none";
data-offset = <0x00011000>;
data-size = <0x0033c000>;
};
bds-fv {
description = "BDS Firmware Volume";
type = "flat-binary";
arch = "X64";
project = "tianocore";
compression = "none";
data-offset = <0x0034d000>;
data-size = <0x00080000>;
};
network-fv {
description = "Network Firmware Volume";
type = "flat-binary";
arch = "X64";
project = "tianocore";
compression = "none";
data-offset = <0x003cd000>;
data-size = <0x0011f000>;
};
};
configurations {
default = "conf-1";
conf-1 {
firmware = "tianocore";
require-fit;
};
};
};

python fit_validate.py ../UniversalPayload.fit
https://github.com/open-source-firmware/flat-image-tree/pull/5/files

../UniversalPayload.fit:
/: Unexpected property 'size', valid list is (timestamp, description, #address-cells)
/: Unexpected property 'spec-version', valid list is (timestamp, description, #address-cells)
/: Unexpected property 'build-revision ', valid list is (timestamp, description, #address-cells)
/: Required property '#address-cells' missing
/images/tianocore: Node name 'tianocore' does not match pattern '^image-(\d)+$'
/images/tianocore: Unexpected property 'project ', valid list is (description, timestamp, arch, type, compression, data-offset, data-size, os, load, project, capabilities, producer, uncomp-size, entry-start, entry, reloc-start)
/images/tianocore: Unexpected property 'arch ', valid list is (description, timestamp, arch, type, compression, data-offset, data-size, os, load, project, capabilities, producer, uncomp-size, entry-start, entry, reloc-start)
/images/tianocore: Unexpected property 'type ', valid list is (description, timestamp, arch, type, compression, data-offset, data-size, os, load, project, capabilities, producer, uncomp-size, entry-start, entry, reloc-start)
/images/tianocore: Unexpected property 'producer ', valid list is (description, timestamp, arch, type, compression, data-offset, data-size, os, load, project, capabilities, producer, uncomp-size, entry-start, entry, reloc-start)
/images/tianocore: Required property 'arch' missing
/images/tianocore: Required property 'type' missing
/images/tianocore: Required property 'os' missing
/images/tianocore: Required property 'project' missing
/images/uefi-fv: Node name 'uefi-fv' does not match pattern '^image-(\d)+$'
/images/uefi-fv: Unexpected property 'project ', valid list is (description, timestamp, arch, type, compression, data-offset, data-size, os, load, project, capabilities, producer, uncomp-size, entry-start, entry, reloc-start)
/images/uefi-fv: Required property 'os' missing
/images/uefi-fv: Required property 'project' missing
/images/bds-fv: Node name 'bds-fv' does not match pattern '^image-(\d)+$'
/images/bds-fv: Unexpected property 'project ', valid list is (description, timestamp, arch, type, compression, data-offset, data-size, os, load, project, capabilities, producer, uncomp-size, entry-start, entry, reloc-start)
/images/bds-fv: Required property 'os' missing
/images/bds-fv: Required property 'project' missing
/configurations: Unexpected property 'default ', valid list is (default)
/configurations/conf-1: Node name 'conf-1' does not match pattern '^config-(\d)+$'
/configurations/conf-1: Required property 'description' missing

[sjg20]

My guess is that the line endings are not working and this is running on Windows. I will need to break out my Windows VM and figure out what is missing