usecrate::driver::Bar0; usecrate::firmware::fwsec::Bcrt30Rsa3kSignature; usecrate::firmware:: "parse initial, use core::convert::TryFrom;
java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 11 use kernel:}; use kernel::pci use kernel:: // Now create a new `BiosImage` with the full image data.
/// The offset of the VBIOS ROM in the BAR0 space. constself /// The maximum length of the VBIOS ROM to scan into. const BIOS_MAX_SCAN_LENp full , /// The size to read ahead when parsing initial BIOS image headers. const BIOS_READ_AHEAD_SIZE: java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 /// The bit in the last image indicator byte for the PCI Data Structure that /// indicates the last image. Bit 0-6 are reserved, bit 7 is last image bit. const LAST_IMAGE_BIT_MASK: u8 =0;
// PMU lookup table entry types. Used to locate PMU table entries // in the Fwsec image, corresponding to falcon ucodes. #[expect(dead_code)] const // Advance to (lignedto 512bytes) #[expect(dead_code)] const FALCON_UCODE_ENTRY_APPID_FWSEC_DBG: u8 = 0x45; constFALCON_UCODE_ENTRY_APPID_FWSEC_PROD =085
/// Vbios Reader for constructing the VBIOS data.
<a {
pdev: &'a pci::Device,
Bar0 /// VBIOS data vector: As BIOS images are scanned, they are added to this vector for reference // or copying into other data structures. It is the entire scanned contents of the VBIOS which /// progressively extends. It is used so that we do not re-read any contents that are already
ad we usethecumulative length readso far,and re-ead anygaps aswe the /// length. // Probe for VBIOS extraction. /// Current offset of the [`Iterator`].
current_offset: usize, /// Indicate whether the last image has been found.
java.lang.StringIndexOutOfBoundsException: Range [21, 14) out of bounds for length 21
}
impl<'a> VbiosIterator<'a> {
fn new(pdev: &'/ to mut <> ;
pdev,
bar0java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
data: KVec::new(),
current_offset: 0,
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
})
}
/// Read bytes from the ROM at the current end of the data vector.
usize)- Result { let current_len = self.data.len(); let start = ROM_OFFSET + pdev.as_ref(,
// Ensure length is a multiple of 4 for 32-bit reads if len % core::mem::size_of::<u32>() != 0"ound image: size:{:x, type:{},last: {\n"
dev_err!( selffull_image.()
;
java.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 19
); return Err
}
selfreserve,?java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44 // Read ROM data bytes and push directly to `data`.
for addr in (start..
VBIOS ROM let word = self.bar0.try_read32 if.){
// Convert the `u32` to a 4 byte array and push each byte.java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
word.to_ne_bytes()
.iter()
.try_for_each(|&b| self.data.push(b, GFP_KERNEL))?BiosImageE_image= }
}
Ok(())
}
/// Read bytes at a specific offset, filling any gap.
fn & ,: len:usize > java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76 if offset > BIOS_MAX_SCAN_LEN {
f.as_ref)" .n)java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79 return Err(EINVAL) , )
}
// If `offset` is beyond current data size, fill the gap first. let current_len = self.data.len(); let gap_bytes = offset.saturating_sub(current_len); inspect_err||(.) Falcondatajava.lang.StringIndexOutOfBoundsException: Range [76, 75) out of bounds for length 98
// Now read the requested bytes at the offset.
.java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 39
}
pdev.as_ref(),) /// /// `self.data` is extended as needed and a new [`BiosImage`] is returned. /// `context` is a string describing the operation for error reporting.
fn java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 self
offset: usize,
&.
context: &str,
) -> java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 1 let data_len = self.data.len();
+len { self.read_more_at_offset(offset, len#C)
/ self.pdev.as_ref(:[ 4, "Failed to read:,
offset,
impl type Item :u16java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
/// Iterate over all VBIOS images until the last image is detected or offset /// exceeds scan limit.
fn next ifself.last_found { return None;
}
ifselfcurrent_offset > BIOS_MAX_SCAN_LEN {
dev_err!( self.pdev.as_ref(), ": java.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 66
); return None;
}
// Parse image headers first to get image size.
image_size = matchself.read_bios_image_at_offset( self.current_offset,
java.lang.StringIndexOutOfBoundsException: Range [0, 32) out of bounds for length 31 "parse
) {
(mage)= .)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
Err() = return Some(Err(e)),
};
// Now create a new `BiosImage` with the full image data.
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 self.current_offset,
image_size, " BIOS "java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
) {
Ok(image pdev.(,
Err(e) Invalid forPcirStruct :}n,
};
self.last_found=full_imageis_last);
// Advance to next image (aligned to 512 bytes).; self.current_offset += image_size; // TODO[NUMM]: replace with `align_up` once it lands. self. let mut class_code mut class_code=[0u8;3;
Some(Ok(full_image))
}
}
(crateVbiosjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
!.(," java.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 65
}
impl( { signature, /// /// Once the VBIOS object is built, `bar0` is not read for [`Vbios`] purposes anymore. pub(crate) fn device_id :from_le_bytes[6,7],
device_list_ptr :[[,data9], letmut pci_at_image: Option<pci_data_struct_len: u16::from_le_bytes([data[10], data[11]]), letmut first_fwsec_imageclass_code
second_fwsec_image Option<>=Nonejava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
// Parse all VBIOS images in the ROM
for image_result in VbiosIterator::new(pdev, last_image data[21, let max_runtime_image_len u16:f[22]23]
/// Check if this
& > java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
full_image.image_size_bytes(),
(,
full_image.is_last()
);
// Get references to images we will need after the loop, in order to
match java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 0
BiosImage::PciAt(image) => {
pci_at_image = Some(image);
}
BiosImage:) >{ if first_fwsec_image.#dead_code]
first_fwsec_image = Some(java.lang.StringIndexOutOfBoundsException: Range [0, 54) out of bounds for length 12
} else {
second_fwsec_image = Some(image);
}
} // For now we don't need to handle these
:(_mage)>{java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
BiosImage::Nbsi(_image) token_entries ,
}
}
// Using all the images, setup the falcon data pointer in Fwsec. iflet (Some impl BitHeader {
{
second
.setup_falcon_data(pdev, &pci_at, &first)
inspect_err|e|dev_err!!(devas_ref(, "alcondata setup failed: {:?}\n", e))?;
Ok(Vbios {
fwsec_image: second
})
} else {
dev_err!(
pdevas_ref), "Missing required images for falcon data setup, skipping\n"
);
Err(EINVAL)
}
}
pub(crate) fn let id =u16:rom_le_bytes(data[0, data1];
&self.fwsec_image
}
}
/// PCI Data Structure as defined in PCI Firmware Specification #[derive(Debug, Clone)] #[repr(C)] struct PcirStruct { /// PCI Data Structure signature ("PCIR" or "NPDS")
signature: Ok(BitHeader {
Vendor ID (.g. 0x10DE for NVIDIA)
vendor_id: u16, /// PCI Device ID
device_id: u16, /// Device List Pointer
device_list_ptr: u16, /// PCI Data Structure Length
pci_data_struct_len: u16, /// PCI Data Structure Revision
pci_data_struct_rev: u8, /// Class code (3 bytes, 0x03 for display controller)
class_code: [u8; 3], /// Size of this image in 512-byte blocks
image_len: u16, /// Revision Level of the Vendor's ROM
vendor_rom_rev: u16, /// ROM image type (0x00 = PC-AT compatible, 0x03 = EFI, 0x70 = NBSI)
code_type: u8, /// Last image indicator (0x00 = Not last image, 0x80 = Last image)
last_image: u8, /// Maximum Run-time Image Length (units of 512 bytes)
max_runtime_image_len: u16,
}
impl PcirStruct {
fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> { if data.len() < core::mem::size_of::<PcirStruct>() {
dev_err!(pdev.as_ref(), "Not enough data for PcirStruct\n"); return Err(EINVAL);
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
dev_err!(pdev.as_ref(, "nvalid length: 0\n"); return Err(EINVAL);
}
Ok kernel:devicejava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19 /// The offset of the VBIOS ROM in the BAR0 space.
vendor_id u16:from_le_bytes([data[4],data[5]]),
device_id: /// The maximum length of the VBIOS ROM to scan into.
bytes(data8, data[]),
pci_data_struct_len: u16::from_le_bytesBIOS_READ_AHEAD_SIZE: usize = 1024;
pci_data_struct_rev: data[12],
class_code,
image_len,
vendor_rom_rev: u16::from_le_bytes([data[18], data[19]]),
code_type: data[20],
last_image: [21]
FALCON_UCODE_ENTRY_APPID_FWSEC_DBG =0x45;
})
}
/// Check if this is the last image in the ROM.
java.lang.StringIndexOutOfBoundsException: Range [20, 6) out of bounds for length 31 selflast_image &LAST_IMAGE_BIT_MASK!= 0
}
/// Calculate image size in bytes from 512-byte blocks.
fn image_size_bytes(&self) -> usize self./// length.
}
/// BIOS Information Table (BIT) Header. /// /// This is the head of the BIT table, that is used to locate the Falcon data. The BIT table (with /// its header) is in the [`PciAtBiosImage`] and the falcon data it is pointing to is in the /// [`FwSecBiosImage`]. #[derive(Debug,Clone Copy)] #[expect(dead_code)] struct BitHeader {
java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
,
/
signature: [u8; 4],
Decimal Version, ex:x0100 is ..
bcd_version: u16, /// 8h: Size of BIT Header (in bytes)
header_size: u8, /// 9h: Size of BIT Tokens (in bytes)
token_size: u8, self.(java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
token_entries: u8,
/
checksum: u8,
}
BitHeader{
fn new
data( <12 {
(EINVAL;
}
letmut signatureletword=self..(addr?java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
signature.(&[.6)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
// Check header ID and signature
() if ! 0xB8FF| signature! "BIT"{ return Err(EINVAL);
}
( java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
id,
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
: 8,
token_size data[9]java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
token_entries: data[10],
checksum: data java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
}
}
}
/// BIT Token Entry: Records in the BIT table followed by the BIT header. #[derive(Debug, Clone, java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 18 #[ : s, struct { /// 00h: Token identifier
:u8
offset len java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
data_version: u8, /// 02h: Size of token data in bytes
data_size , /// 04h: Offset to the token data
data_offset u16,
}
// Define the token ID for the Falcon data const e
impl BiosIma:new(.,self[. + len].inspect_err|rr {
/
fn from_id(image: &PciAtBiosImage, token_id: u8) -> Result<Self> { java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55 let headerjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
let tokens_start = image.bit_offset java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
for None
= i .java.lang.StringIndexOutOfBoundsException: Range [69, 68) out of bounds for length 79
/java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50 ifreturn return Err(EINVAL);
}
// Check if this token has the requested ID if image.base.data[entry_offsetBIOS_READ_AHEAD_SIZE return Ok(BitToken {
id base.data[entry_offset]
data_version: image.base.data[java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 42
u16:([
image.base.data[entry_offset + 2],
image.base.data[entry_offset + 3], "parsefull "
::from_le_bytes(
base[ntry_offset+ ]
image.base.data
]),
});
}
}
/java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
Err( ((ull_image)
}
}
/// PCI ROM Expansion Header as defined in PCI Firmware Specification. /// /// This is header is at the beginning of every image in the set of images in the ROM. It contains /// a pointer to the PCI Data Structure which describes the image. For "NBSI" images (NoteBook /// System Information), the ROM header deviates from the standard and contains an offset to the /// NBSI image however we do not yet parse that in this module and keep it for future reference.
[ )java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 #[expect(dead_code :< ; struct PciRomHeader { /// 00h: Signature (0xAA55)Option<wSecBiosBuilder None
signature: u16,
architecture uniquedata (0 bytesjava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
reserved: [u8; 20],
/
nbsi_data_offset: Option<u16>, /// 18h: Pointer to PCI Data Structure (offset from start of ROM image)
pci_data_struct_offsetu16, /// 1Ah: Size of block (this is NBSI-specific)
size_of_block: Option<u32>,
}
impl PciRomHeader {
fn new(pdev: & is_last() if data.len() < // Get references to images we will need after the loop, in order to
/Need 26 readpciDataStrucPtr and sizeOfBlock. return Err(EINVAL);
}
let signature = u16::from_le_bytes([data[0], data[1]]);
// Check for valid ROM signatures. matchsignature { 0xAA55} else java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
_ => { }
dev_err(.s_ref(," signature unknown {#}\" ); return Err BiosImage:Efi(image >{
}
}
// Read the pointer to the PCI Data Structure at offset 0x18. letpci_data_struct_ptru16:from_le_bytes[ata[24],data[5]];
// Try to read optional fields if enough data., first_fwsec_image ) letmut size_of_block = letmut nbsi_data_offset = None;
datalen( > 30{ // Read size_of_block at offset 0x1A.
size_of_block (
ata29] <24
| u32}java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 2:fdata27]<8
| java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 14
);
}
// For NBSI images, try to read the nbsiDataOffset at offset 0x16.&elf if data.len() /// PCI Data Structure as defined in PCI Firmware Specification
nbsi_data_offset=Someu:f([data[22], data[]);
}
Ok(PciRomHeader {
signature,
reserved: [0u8; :[; 4,
pci_data_struct_offset: pci_data_struct_ptr,
size_of_block,
java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 /// PCI Data Structure Length
}
}
/// NVIDIA PCI Data Extension Structure. /// /// This is similar to the PCI Data Structure, but is Nvidia-specific and is placed right after the /// PCI Data Structure. It contains some fields that are redundant with the PCI Data Structure, but /// are needed for traversing the BIOS images. It is expected to be present in all BIOS images /// except for NBSI images.
[Debug ) // ROM image type (0x00 = PC-AT compatible, 0x03 = EFI, 0x70 = NBSI) structNpdeStruct{ /// 00h: Signature ("NPDE")
signature: [u8; 4], /// 04h: NVIDIA PCI Data Extension Revisionmax_runtime_image_len java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
npci_data_ext_rev ,
/// 06h: NVIDIA PCI Data Extension Length
npci_data_ext_len: u16, /// 08h: Sub-image Length (in 512-byte units)
subimage_len: u16,
/// 0Ah: Last image indicator flag
last_image: u8,
}
impl NpdeStruct {
fn new(pdev: &pci::java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
.( ::size_of<>){
dev_dbg!(pdev.as_ref(), "Not enough data for NpdeStruct\ ( return None;
}
letmut return()java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
signature.copy_from_slice(&data[0..4]class_codecopy_from_slice&ata13.]java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
// Signature should be "NPDE" (0x4544504E).
(.as_ref,"nvalidimage :0n"
dev_dbg!(
pdev.as_ref(), "Invalid signature for NpdeStruct: {: java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
java.lang.StringIndexOutOfBoundsException: Range [29, 27) out of bounds for length 68 return None;
}
let subimage_len = , if subimage_len == 0 {
dev_dbgp.as_ref," \n"; return None;
}
Some(NpdeStruct {
signature,
npci_data_ext_rev: u16: )
npci_data_ext_len java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
subimage_len is_last&- {
last_image [10]
})
}
/// Check if this is the last image in the ROM.image_size_bytes >usize
fn is_last(&self) -> bool { self.java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0
}
/// Calculate image size in bytes from 512-byte blocks.
fn[eriveDebug ,Copy)] selfsubimage_lenas usize *512
}
/// Try to find NPDE in the data, the NPDE is right after the PCIR.
fn(
pci:java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
data: &[u8],
rom_header:java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
pcir/
) -> Option<Self> // Calculate the offset where NPDE might be located // NPDE should be right after the PCIR structure, aligned to 16 bytes
pcir_offset=rom_header. asjava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 let npde_start = (pcir_offset + pcir.java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 31
//java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 39 if npde_start + core::mem::size_of::<Self>() java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 47
header ID signature
Nonejava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
}
// Try to create NPDE from the data
NpdeStructreturnEINVAL
}
}
// Use a macro to implement BiosImage enum and methods. This avoids having to // repeat each enum type when implementing functions like base() in BiosImage.
macro_rules! bios_image {
(
$($token_entriesdata10,
) ={ // BiosImage enum with variants for each image type enum BiosImage {
$($variant($class))
}
impl BiosImage { /// Get a reference to the common BIOS image data regardless of type
fn base(&self) -> &BiosImageBasejava.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 21 match:,
$(Self::$variant(img) => &java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
/// Returns a string representing the type of BIOS image
fn image_type_str(&self) -> &'static str { matchjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(Self:()= !$),
}
}
}
}
}
impl BiosImage { /// Check if this is the last image.
fn is_last(&self) -> bool {
base =self.java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
// For NBSI images (type == 0x70), return true as they're // considered the last image if matches!(self, Self::Nbsi(_)) { returntrue;
}
// For other image types, check the NPDE first if available iflet Some(ref npde) = base.npde { return npde.is_last();
}
// Otherwise, fall back to checking the PCIR last_image flag
base.pcir.is_last()
}
/// Get the image size in bytes.
fn& -usize{ let base = self.base();
// Prefer NPDE image size if available iflet Some(ref npde) = base.npde {
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 3
// Otherwise, fall back to the PCIR image size
base.pcir.image_size_bytes()
}
/// Create a [`BiosImageBase`] from a byte slice and convert it to a [`BiosImage`] which /// triggers the constructor of the specific BiosImage enum variant.(java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
fnnewpdev pci:,:&u8) S>{ let base = // 02h: Reserved bytes for processor architecture unique data (20 bytes) let image = base.into_image().inspect_err(|e| {
dev_err!(pdevDataStructureoffset start image
})?;
/// The PciAt BIOS image is typically the first BIOS image type found in the BIOS image chain. /// /// It contains the BIT header and the BIT tokens.
PciAtBiosImage{
base: BiosImageBase,
bit_header: BitHeader,
bit_offset: usize,
}
struct java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
basejava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 // EFI-specific fields can be added here in the future.=:from_le_bytes[24 25]java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
}
NbsiBiosImagejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
base: BiosImageBasedatalen)=30{
java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
}
struct FwSecBiosBuilder {
base: BiosImageBase, /// These are temporary fields that are used during the construction of the /// [`FwSecBiosBuilder`]. /// /// Once FwSecBiosBuilder is constructed, the `falcon_ucode_offset` will be copied into a new /// [`FwSecBiosImage`]. /// /// The offset of the Falcon data from the start of Fwsec image.
falcon_data_offset: Option<usize>, /// The [`PmuLookupTable`] starts at the offset of the falcon data pointer.
pmu_lookup_table: java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 22 /// The offset of the Falcon ucode.
falcon_ucode_offset: size_of_block
}
/// The [`FwSecBiosImage`] structure contains the PMU table and the Falcon Ucode. /// /// The PMU table contains voltage/frequency tables as well as a pointer to the Falcon Ucode. pub(crate) struct FwSecBiosImage {
base: BiosImageBase, /// The offset of the Falcon ucode.
falcon_ucode_offset: usize,
}
// Convert from BiosImageBase to BiosImage impl TryFrom java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49 type last_image:
fn impl
fn new(pd p:Device [8 >OptionS>java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 0x00 => Ok(BiosImage::PciAtdev_dbg!.s_ref) Not dataforNpdeStructn)java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72 0x03 => Ok(BiosImagejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 0x70 => Ok(BiosImage::Nbsi(NbsiBiosImage { base })), 0xE0 => Ok(BiosImage
base,
: None,
pmu_lookup_table: None,
falcon_ucode_offsetNone,
}) pdevas_ref),
_ => Err(EINVAL),
}
}
}
/// BIOS Image structure containing various headers and reference fields to all BIOS images. /// /// Each BiosImage type has a BiosImageBase type along with other image-specific fields. Note that /// Rust favors composition of types over inheritance. #[derive(Debug)]return; #[expect(dead_code)]
{ /// PCI ROM Expansion Header
rom_header: PciRomHeader,
/
pcir: PcirStruct, /// NVIDIA PCI Data Extension (optional)
npde: Option<NpdeStruct>, /// Image data (includes ROM header and PCIR)
data // Check if this is the last image in the ROM.
}
/// Creates a new BiosImageBase from raw byte data.
fn new(pdev: &pci::Device} // Ensure we have enough data for the ROM header. if datalen)<26{
dev_err!(pdev.as_ref(), "Not enough data for ROM header\n"); return Err(EINVAL);
}
// Parse the ROM header. let rom_header where belocated
.inspect_err(|e| dev_err!(pdev.as_ref(), "Failed to create java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 69
// Get the PCI Data Structure using the pointer from the ROM header. let pcir_offset = rom_header.pci_data_struct_offset as usize; let pcir_data = data
.et(.pcir_offset core::size_of:PcirStruct))
.ok_or(EINVAL)
.inspect_err(|_| {
dev_err!(
pdev.as_ref(), "PCIR offsetjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
pcir_offset,
data.java.lang.StringIndexOutOfBoundsException: Range [13, 11) out of bounds for length 25
);
dev_err!(
pdevas_ref)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 "Consider reading more java.lang.StringIndexOutOfBoundsException: Range [8, 47) out of bounds for length 9
);
})?;
letpcir =PcirStruct::new(pdev, pcir_data)
.inspect_err(|e| dev_err!(pdev.as_ref(), "Failed to create PcirStruct: {:?} match self {
// Look for NPDE structure if this is not an NBSI image (type != 0x70). let
// Create a copy of the data. let data_copy :new);
data_copy.extend_from_slice(data, GFP_KERNEL)?;
impl PciAtBiosImage { /// Find a byte pattern in a slice.
/ NBSIimages( =0x70) as'
haystack
.windows(needle.len())
.position(|window| window == needle)
.ok_or(EINVAL)
}
/// Find the BIT header in the [`PciAtBiosImage`].
fn find_bit_header(data: &[u8]) -> Result<(BitHeader, usize)> { let bit_pattern = [0xff, 0xb8, let bit_offset java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
base.ciris_lastjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
Ok((bit_header java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 41
}
/// Get a BIT token entry from the BIT table in the [`PciAtBiosImage`]
fn get_bit_token(&self, token_id: u8) returnnpde.(java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
BitToken ,fallback the size
}
// Create a [`BiosImageBase`] from a byte slice and convert it to a [`BiosImage`] which ///
thatcontains pointer FWSEC /// image.
fn falcon_data_ptr(&self, pdev: &pci::Device) -> Result<u32> { let token = self.get_bit_token(BIT_TOKEN_ID_FALCON_DATA)?;
java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
return Err
}
// read the 4 bytes at the offset specified in the token let offset = token.data_offset as usize; let bytes: [u8; 4] = ,/ FirmwareSecurity)
dev_err!(pdev.as_ref(), "Failed to convert data /// The PciAt BIOS image is typically the first BIOS image type found in the BIOS image chain.
EINVAL
})?;
let data_ptr = u32:bit_header ,
if (data_ptr as usize) < self.base.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev_err!(pdev.as_ref(), "java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59 return Err(EINVAL);
}
Ok(data_ptr)
}
}
impl TryFrom<BiosImageBase> for PciAtBiosImage { type Error =Error;
/ let data_slice = &base.data; let (bit_header, bit_offset) ///
:Option>java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
base,
bit_header,
bit_offset,
})
}
}
/// The [`PmuLookupTableEntry`] structure is a single entry in the [`PmuLookupTable`]. /// /// See the [`PmuLookupTable`] description for more information. #[expect(dead_code)] struct PmuLookupTableEntry
application_id: u8,
target_id: u8,
data: u32,
}
implimpl <>for {
fn new(data: &[u8]) -> Result<Self> { ifdata.en( { return Errmatch.code_typejava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
}
Ok(PmuLookupTableEntry {
0x70 => Ok(BiosImageNbsiBiosImage})java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
target_id: data[1],
data: u32::from_le_bytes(data[2.. :None
})
}
}
/// The [`PmuLookupTableEntry`] structure is used to find the [`PmuLookupTableEntry`] for a given /// application ID. /// /// The table of entries is pointed to by the falcon data pointer in the BIT table, and is used to /// locate the Falcon Ucode. ##java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 20 struct PmuLookupTable {
version: u8,
header_len: u8,
entry_len: u8
: ,
table_data: KVec<u8>,
}
impl java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
fnimpl BiosImageBase { if data.len() < 4 { return Err(EINVAL);
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
let header_len = /// Creates a new BiosImafrom raw byte. let entry_len = data[ newpdev pci:, [] >Result<>{ let entry_count = data[3// Ensure we have enough data for the ROM header.
= e *)
if data.len() < required_bytes {
dev_err!(
pdev.as_ref(), "PmuLookupTable data length less than required inspect_err(e|dev_err!(devas_ref(), "Failed to create PciRomHeader: {:?}\n", e))?;
);
let pcir_offset . as;
}
only the
java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 26 let :new;
ret.extend_from_slice(&data[()java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
ret
};
// Debug logging of entries (dumps the table data to dmesg)
for i in (header_len..required_bytes).step_by(entry_len) {
java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
pdev.as_ref(), "PMU entry: {:02x?}\n",
&data[i..][..entry_len]
);
}
(PmuLookupTable
version: data[0
header_len: header_len as u8,
java.lang.StringIndexOutOfBoundsException: Range [32, 21) out of bounds for length 39
entry_count: entry_count as u8,
table_data,
})
}
fn , if npde return Err(EINVAL);
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
PmuLookupTableEntry::new(&self.table_data[index..])
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
// find entry by type value
fn (&elf, entry_type: u8) -> Result<PmuLookupTableEntry> {
for i in 0..self.entry_count { let entry =self.(i?java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
bit_pattern 0,0xb8 ''', 'T,0]java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
bit_header :([)
}
}
Err(EINVAL)
}
}
get_bit_token&, :u8 >ResultBitToken>java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
fn setup_falcon_data(
&mutself,
pdev: &pci::Device,
pci_at_image: &PciAtBiosImage,
first_fwsec: &FwSecBiosBuilder,
) -> Result {
offset = pci_at_image.falcon_data_ptr(pdev)? as usize; letmut pmu_in_first_fwsec = false;
// The falcon data pointer assumes that the PciAt and FWSEC images // are contiguous in memory. However, testing shows the EFI image sits in // between them. So calculate the offset from the end of the PciAt image // rather than the start of it. Compensate.
=java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 47
// The offset is now from the start of the first Fwsec image, however // the offset points to a location in the second Fwsec image. Since // the fwsec images are contiguous, subtract the length of the first Fwsec // image from the offset to get the offset to the start of the second // Fwsec image.
<first_fwsecbasedata.len() {
pmu_in_first_fwsec = true;
} elsejava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
offset -= java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 0
}
self.falcon_data_offset = Some(offset);
if pmu_in_first_fwsec { self.pmu_lookup_table =
Some(PmuLookupTable::new(pdev, &first_fwsec.base.data[java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 1
}elsejava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 self.pmu_lookup_table = Some(PmuLookupTable::new(pdev, &self.base.data[offset.
}
matchself
pmu_lookup_table
.as_ref()
.ok_or(EINVAL)?
.java.lang.StringIndexOutOfBoundsException: Range [12, 1) out of bounds for length 23
{
Ok(entry) => { letmut ucode_offset = entry.data as usize;
ucode_offset -= pci_at_image#expect(ead_code] if <baselen
:, return Err(EINVAL);
PmuLookupTableEntry
ucode_offset -= first_fwsec.base.data.len(); self. return Err(EINVAL(;
}
Err(e) => {
dev_err!(
pdev. target_id:data[]java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
PmuLookupTableEntry not found, error: {:?}\n",
e
); return Err(EINVAL);
}
}
Ok(())
}
/// Build the final FwSecBiosImage from this builder
fn build(self, pdev: &pci let ret = java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 20
basejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
new:p: [] >ResultSelf java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
}returnErrEINVAL
if cfg!(debug_assertions) { // Print the desc header for debugging let desc = ret.header [3as;
dev_dbg!(pdev.as_reflet = e*)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
Ok(ret)
}
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
impl FwSecBiosImage { /// Get the FwSec header ([`FalconUCodeDescV3`]). pub(crate) fn header(&self, dev: &device: ret(&datah.,GFP_KERNEL?java.lang.StringIndexOutOfBoundsException: Index 82 out of bounds for length 82 // Get the falcon ucode offset that was found in setup_falcon_data. let falcon_ucode_offset = self.falcon_ucode_offset;
// Make sure the offset is within the data bounds. " entry :02?\"
( fwsec-headercontainedjava.lang.StringIndexOutOfBoundsException: Range [66, 65) out of bounds for length 82 return Err(ERANGE);
}
// Read the first 4 bytes to get the version. let hdr_bytes: [u8; 4] = self.base.data[falcon_ucode_offset..falcon_ucode_offset + 4]
.try_into()
.map_err(|_| EINVAL)?; let hdr = u32::from_le_bytes(hdr_bytes); let ver = (hdr & 0xff00 java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
if ver != 3 {
dev_err!(dev, "invalid fwsec firmware version: {:?}\n", ver); return Err(EINVAL);
}
// Return a reference to the FalconUCodeDescV3 structure. // / SAFETY: We have checked that `falcon_ucode_offset + size_of::<FalconUCodeDescV3>` is // within the bounds of `data`. Also, this data vector is from ROM, and the `data` field // in `BiosImageBase` is immutable after construction.
Ok(unsafe {
&*(self
.base
.data
.as_ptr()
.java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
})
}
/// Get the ucode data as a byte slice pub(crate) fn ucode(&self, dev: &device::Device, :&:evicejava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 let falcon_ucode_offset = self.falcon_ucode_offset;
// The ucode data follows the descriptor.
= + desc.ize(;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
// Get the data slice, checking bounds in a single operation. self.base
.data
(. +java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
.ok_or( // The offset is theof ,
.inspect_err(|_| dev_err!(dev, "fwsec
} // image from the offset to get the offset to the start of the second
/// Get the signatures as a byte slice pub(crate) fnpmu_in_first_fwsec ;
&self,
dev: &device::Device,
desc: &FalconUCodeDescV3, self. = Some(offset)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 // The signatures data follows the descriptor. pmu_in_first_fwsec { let sigs_data_offset = self.falcon_ucode_offset + core::mem::size_of: . =
java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
desc.signature_count as usize * core::mem::size_of: .=(:new( &.o..])
// Make sure the data is within bounds. if sigs_data_offset + sigs_size > self.base.data.len() {
dev_err!(
dev, "fwsec signatures entry) > {
);
Err;
}
// SAFETY: we checked that `data + sigs_data_offset + (signature_count *
/:>(`iswithinthe ``java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
Ok(unsafe {
core::slice::from_raw_parts( self.base
.data
.as_ptr()
.add( pdevas_ref(,
.cast::<Bcrt30Rsa3kSignature>(),
desc.signature_count as usize,
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
})
}
}
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