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arch: x86_64: refactor SMBIOS helpers

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Split the System Information write into helper functions and
reuse the string writer so the table layout and inputs are
unchanged.

On-behalf-of: SAP leander.kohler@sap.com
Signed-off-by: Leander Kohler <leander.kohler@cyberus-technology.de>
This commit is contained in:
Leander Kohler
2026-02-09 15:28:03 +01:00
committed by Rob Bradford
parent 1a8c76b0dd
commit 0141635a5c
3 changed files with 82 additions and 47 deletions
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arch/src/x86_64/mod.rs
+8 -3
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@@ -1061,7 +1061,7 @@ pub fn configure_system(
rsdp_addr: Option<GuestAddress>,
serial_number: Option<&str>,
uuid: Option<&str>,
oem_strings: Option<&[&str]>,
oem_strings: Option<&[String]>,
topology: Option<(u16, u16, u16, u16)>,
) -> super::Result<()> {
// Write EBDA address to location where ACPICA expects to find it
@@ -1069,8 +1069,13 @@ pub fn configure_system(
.write_obj((layout::EBDA_START.0 >> 4) as u16, layout::EBDA_POINTER)
.map_err(Error::EbdaSetup)?;
let size = smbios::setup_smbios(guest_mem, serial_number, uuid, oem_strings)
.map_err(Error::SmbiosSetup)?;
let size = smbios::setup_smbios(
guest_mem,
serial_number,
uuid,
oem_strings.unwrap_or_default(),
)
.map_err(Error::SmbiosSetup)?;
// Place the MP table after the SMIOS table aligned to 16 bytes
let offset = GuestAddress(layout::SMBIOS_START).unchecked_add(size);