mirror of
https://review.coreboot.org/flashrom.git
synced 2025-07-03 15:03:22 +02:00
flashrom_tester: Use Flashrom trait instead of struct FlashromCmd
To allow FlashromCmd to be reimplemented with libflashrom move all concrete cmd functions into the FlashromCmd type that implements the Flashrom trait. This allows users to be generalised upon the Flashrom trait as the contract rather than the concrete FlashromCmd type. Change-Id: Ie2b4e7e91d69043fd50d1c57f6585fc9946fab10 Signed-off-by: Evan Benn <evanbenn@chromium.org> Reviewed-on: https://review.coreboot.org/c/flashrom/+/64849 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Peter Marheine <pmarheine@chromium.org> Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
This commit is contained in:
Evan Benn
committed by
Edward O'Callaghan
Edward O'Callaghan
parent
96fb37cb0f
commit
b9e7d20d19
@ -33,10 +33,39 @@
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// Software Foundation.
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//
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use crate::{FlashChip, FlashromError, FlashromOpt};
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use crate::{FlashChip, FlashromError, ROMWriteSpecifics};
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use std::process::Command;
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#[derive(Default)]
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pub struct FlashromOpt<'a> {
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pub wp_opt: WPOpt,
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pub io_opt: IOOpt<'a>,
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pub layout: Option<&'a str>, // -l <file>
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pub image: Option<&'a str>, // -i <name>
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pub flash_name: bool, // --flash-name
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pub verbose: bool, // -V
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}
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#[derive(Default)]
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pub struct WPOpt {
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pub range: Option<(i64, i64)>, // --wp-range x0 x1
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pub status: bool, // --wp-status
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pub list: bool, // --wp-list
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pub enable: bool, // --wp-enable
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pub disable: bool, // --wp-disable
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}
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#[derive(Default)]
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pub struct IOOpt<'a> {
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pub read: Option<&'a str>, // -r <file>
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pub write: Option<&'a str>, // -w <file>
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pub verify: Option<&'a str>, // -v <file>
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pub erase: bool, // -E
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}
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#[derive(PartialEq, Debug)]
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pub struct FlashromCmd {
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pub path: String,
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@ -65,6 +94,13 @@ fn flashrom_extract_size(stdout: &str) -> Result<i64, FlashromError> {
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}
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}
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impl FlashromCmd {
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fn dispatch(&self, fropt: FlashromOpt) -> Result<(Vec<u8>, Vec<u8>), FlashromError> {
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let params = flashrom_decode_opts(fropt);
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flashrom_dispatch(self.path.as_str(), ¶ms, self.fc)
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}
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}
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impl crate::Flashrom for FlashromCmd {
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fn get_size(&self) -> Result<i64, FlashromError> {
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let (stdout, _) = flashrom_dispatch(self.path.as_str(), &["--flash-size"], self.fc)?;
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@ -73,9 +109,208 @@ impl crate::Flashrom for FlashromCmd {
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flashrom_extract_size(&sz)
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}
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fn dispatch(&self, fropt: FlashromOpt) -> Result<(Vec<u8>, Vec<u8>), FlashromError> {
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let params = flashrom_decode_opts(fropt);
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flashrom_dispatch(self.path.as_str(), ¶ms, self.fc)
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fn name(&self) -> Result<(String, String), FlashromError> {
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let opts = FlashromOpt {
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io_opt: IOOpt {
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..Default::default()
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},
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flash_name: true,
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..Default::default()
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};
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let (stdout, stderr) = self.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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let eoutput = String::from_utf8_lossy(stderr.as_slice());
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debug!("name()'stdout: {:#?}.", output);
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debug!("name()'stderr: {:#?}.", eoutput);
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match extract_flash_name(&output) {
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None => Err("Didn't find chip vendor/name in flashrom output".into()),
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Some((vendor, name)) => Ok((vendor.into(), name.into())),
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}
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}
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fn write_file_with_layout(&self, rws: &ROMWriteSpecifics) -> Result<bool, FlashromError> {
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let opts = FlashromOpt {
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io_opt: IOOpt {
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write: rws.write_file,
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..Default::default()
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},
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layout: rws.layout_file,
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image: rws.name_file,
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..Default::default()
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};
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let (stdout, stderr) = self.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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let eoutput = String::from_utf8_lossy(stderr.as_slice());
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debug!("write_file_with_layout()'stdout:\n{}.", output);
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debug!("write_file_with_layout()'stderr:\n{}.", eoutput);
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Ok(true)
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}
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fn wp_range(&self, range: (i64, i64), wp_enable: bool) -> Result<bool, FlashromError> {
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let opts = FlashromOpt {
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wp_opt: WPOpt {
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range: Some(range),
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enable: wp_enable,
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..Default::default()
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},
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..Default::default()
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};
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let (stdout, stderr) = self.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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let eoutput = String::from_utf8_lossy(stderr.as_slice());
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debug!("wp_range()'stdout:\n{}.", output);
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debug!("wp_range()'stderr:\n{}.", eoutput);
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Ok(true)
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}
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fn wp_list(&self) -> Result<String, FlashromError> {
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let opts = FlashromOpt {
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wp_opt: WPOpt {
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list: true,
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..Default::default()
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},
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..Default::default()
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};
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let (stdout, _) = self.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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if output.len() == 0 {
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return Err(
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"wp_list isn't supported on platforms using the Linux kernel SPI driver wp_list"
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.into(),
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);
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}
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Ok(output.to_string())
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}
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fn wp_status(&self, en: bool) -> Result<bool, FlashromError> {
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let status = if en { "en" } else { "dis" };
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info!("See if chip write protect is {}abled", status);
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let opts = FlashromOpt {
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wp_opt: WPOpt {
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status: true,
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..Default::default()
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},
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..Default::default()
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};
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let (stdout, _) = self.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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debug!("wp_status():\n{}", output);
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let s = std::format!("write protect is {}abled", status);
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Ok(output.contains(&s))
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}
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fn wp_toggle(&self, en: bool) -> Result<bool, FlashromError> {
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let status = if en { "en" } else { "dis" };
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// For MTD, --wp-range and --wp-enable must be used simultaneously.
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let range = if en {
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let rom_sz: i64 = self.get_size()?;
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Some((0, rom_sz)) // (start, len)
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} else {
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None
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};
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let opts = FlashromOpt {
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wp_opt: WPOpt {
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range: range,
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enable: en,
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disable: !en,
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..Default::default()
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},
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..Default::default()
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};
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let (stdout, stderr) = self.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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let eoutput = String::from_utf8_lossy(stderr.as_slice());
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debug!("wp_toggle()'stdout:\n{}.", output);
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debug!("wp_toggle()'stderr:\n{}.", eoutput);
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match self.wp_status(true) {
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Ok(_ret) => {
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info!("Successfully {}abled write-protect", status);
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Ok(true)
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}
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Err(e) => Err(format!("Cannot {}able write-protect: {}", status, e)),
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}
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}
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fn read(&self, path: &str) -> Result<(), FlashromError> {
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let opts = FlashromOpt {
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io_opt: IOOpt {
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read: Some(path),
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..Default::default()
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},
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..Default::default()
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};
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let (stdout, _) = self.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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debug!("read():\n{}", output);
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Ok(())
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}
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fn write(&self, path: &str) -> Result<(), FlashromError> {
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let opts = FlashromOpt {
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io_opt: IOOpt {
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write: Some(path),
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..Default::default()
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},
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..Default::default()
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};
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let (stdout, _) = self.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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debug!("write():\n{}", output);
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Ok(())
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}
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fn verify(&self, path: &str) -> Result<(), FlashromError> {
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let opts = FlashromOpt {
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io_opt: IOOpt {
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verify: Some(path),
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..Default::default()
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},
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..Default::default()
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};
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let (stdout, _) = self.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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debug!("verify():\n{}", output);
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Ok(())
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}
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fn erase(&self) -> Result<(), FlashromError> {
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let opts = FlashromOpt {
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io_opt: IOOpt {
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erase: true,
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..Default::default()
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},
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..Default::default()
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};
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let (stdout, _) = self.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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debug!("erase():\n{}", output);
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Ok(())
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}
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fn can_control_hw_wp(&self) -> bool {
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self.fc.can_control_hw_wp()
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}
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}
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@ -209,10 +444,33 @@ fn hex_range_string(s: i64, l: i64) -> String {
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format!("{:#08X},{:#08X}", s, l).to_string()
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}
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/// Get a flash vendor and name from the first matching line of flashrom output.
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///
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/// The target line looks like 'vendor="foo" name="bar"', as output by flashrom --flash-name.
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/// This is usually the last line of output.
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fn extract_flash_name(stdout: &str) -> Option<(&str, &str)> {
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for line in stdout.lines() {
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if !line.starts_with("vendor=\"") {
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continue;
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}
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let tail = line.trim_start_matches("vendor=\"");
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let mut split = tail.splitn(2, "\" name=\"");
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let vendor = split.next();
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let name = split.next().map(|s| s.trim_end_matches('"'));
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match (vendor, name) {
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(Some(v), Some(n)) => return Some((v, n)),
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_ => continue,
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}
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}
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None
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}
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#[cfg(test)]
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mod tests {
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use super::flashrom_decode_opts;
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use crate::{FlashromOpt, IOOpt, WPOpt};
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use super::{FlashromOpt, IOOpt, WPOpt};
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#[test]
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fn decode_wp_opt() {
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@ -347,4 +605,26 @@ mod tests {
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Err("Found no purely-numeric lines in flashrom output".into())
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);
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}
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#[test]
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fn extract_flash_name() {
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use super::extract_flash_name;
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assert_eq!(
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extract_flash_name(
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"coreboot table found at 0x7cc13000\n\
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Found chipset \"Intel Braswell\". Enabling flash write... OK.\n\
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vendor=\"Winbond\" name=\"W25Q64DW\"\n"
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),
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Some(("Winbond", "W25Q64DW"))
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);
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assert_eq!(
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extract_flash_name(
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"vendor name is TEST\n\
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Something failed!"
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),
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None
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)
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}
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}
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@ -83,296 +83,46 @@ impl FlashChip {
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pub type FlashromError = String;
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#[derive(Default)]
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pub struct FlashromOpt<'a> {
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pub wp_opt: WPOpt,
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pub io_opt: IOOpt<'a>,
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pub layout: Option<&'a str>, // -l <file>
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pub image: Option<&'a str>, // -i <name>
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pub flash_name: bool, // --flash-name
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pub verbose: bool, // -V
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}
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#[derive(Default)]
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pub struct WPOpt {
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pub range: Option<(i64, i64)>, // --wp-range x0 x1
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pub status: bool, // --wp-status
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pub list: bool, // --wp-list
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pub enable: bool, // --wp-enable
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pub disable: bool, // --wp-disable
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}
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#[derive(Default)]
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pub struct IOOpt<'a> {
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pub read: Option<&'a str>, // -r <file>
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pub write: Option<&'a str>, // -w <file>
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pub verify: Option<&'a str>, // -v <file>
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pub erase: bool, // -E
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}
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pub trait Flashrom {
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fn get_size(&self) -> Result<i64, FlashromError>;
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fn dispatch(&self, fropt: FlashromOpt) -> Result<(Vec<u8>, Vec<u8>), FlashromError>;
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}
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pub fn name(cmd: &cmd::FlashromCmd) -> Result<(String, String), FlashromError> {
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let opts = FlashromOpt {
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io_opt: IOOpt {
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..Default::default()
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},
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flash_name: true,
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..Default::default()
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};
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let (stdout, stderr) = cmd.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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let eoutput = String::from_utf8_lossy(stderr.as_slice());
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debug!("name()'stdout: {:#?}.", output);
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debug!("name()'stderr: {:#?}.", eoutput);
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match extract_flash_name(&output) {
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None => Err("Didn't find chip vendor/name in flashrom output".into()),
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Some((vendor, name)) => Ok((vendor.into(), name.into())),
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}
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}
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/// Get a flash vendor and name from the first matching line of flashrom output.
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///
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/// The target line looks like 'vendor="foo" name="bar"', as output by flashrom --flash-name.
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/// This is usually the last line of output.
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fn extract_flash_name(stdout: &str) -> Option<(&str, &str)> {
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for line in stdout.lines() {
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if !line.starts_with("vendor=\"") {
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continue;
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}
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let tail = line.trim_start_matches("vendor=\"");
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let mut split = tail.splitn(2, "\" name=\"");
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let vendor = split.next();
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let name = split.next().map(|s| s.trim_end_matches('"'));
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match (vendor, name) {
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(Some(v), Some(n)) => return Some((v, n)),
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_ => continue,
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}
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}
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None
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}
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pub struct ROMWriteSpecifics<'a> {
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pub layout_file: Option<&'a str>,
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pub write_file: Option<&'a str>,
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pub name_file: Option<&'a str>,
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}
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pub fn write_file_with_layout(
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cmd: &cmd::FlashromCmd,
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rws: &ROMWriteSpecifics,
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) -> Result<bool, FlashromError> {
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let opts = FlashromOpt {
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io_opt: IOOpt {
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write: rws.write_file,
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..Default::default()
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},
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pub trait Flashrom {
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/// Returns the size of the flash in bytes.
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fn get_size(&self) -> Result<i64, FlashromError>;
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layout: rws.layout_file,
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image: rws.name_file,
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/// Returns the vendor name and the flash name.
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fn name(&self) -> Result<(String, String), FlashromError>;
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..Default::default()
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};
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/// Write only a region of the flash.
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fn write_file_with_layout(&self, rws: &ROMWriteSpecifics) -> Result<bool, FlashromError>;
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let (stdout, stderr) = cmd.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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let eoutput = String::from_utf8_lossy(stderr.as_slice());
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debug!("write_file_with_layout()'stdout:\n{}.", output);
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debug!("write_file_with_layout()'stderr:\n{}.", eoutput);
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Ok(true)
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}
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pub fn wp_range(
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cmd: &cmd::FlashromCmd,
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range: (i64, i64),
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wp_enable: bool,
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) -> Result<bool, FlashromError> {
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let opts = FlashromOpt {
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wp_opt: WPOpt {
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range: Some(range),
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enable: wp_enable,
|
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..Default::default()
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},
|
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..Default::default()
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};
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let (stdout, stderr) = cmd.dispatch(opts)?;
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let output = String::from_utf8_lossy(stdout.as_slice());
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let eoutput = String::from_utf8_lossy(stderr.as_slice());
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debug!("wp_range()'stdout:\n{}.", output);
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debug!("wp_range()'stderr:\n{}.", eoutput);
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Ok(true)
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}
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||||
pub fn wp_list(cmd: &cmd::FlashromCmd) -> Result<String, FlashromError> {
|
||||
let opts = FlashromOpt {
|
||||
wp_opt: WPOpt {
|
||||
list: true,
|
||||
..Default::default()
|
||||
},
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
let (stdout, _) = cmd.dispatch(opts)?;
|
||||
let output = String::from_utf8_lossy(stdout.as_slice());
|
||||
if output.len() == 0 {
|
||||
return Err(
|
||||
"wp_list isn't supported on platforms using the Linux kernel SPI driver wp_list".into(),
|
||||
);
|
||||
}
|
||||
Ok(output.to_string())
|
||||
}
|
||||
|
||||
pub fn wp_status(cmd: &cmd::FlashromCmd, en: bool) -> Result<bool, FlashromError> {
|
||||
let status = if en { "en" } else { "dis" };
|
||||
info!("See if chip write protect is {}abled", status);
|
||||
|
||||
let opts = FlashromOpt {
|
||||
wp_opt: WPOpt {
|
||||
status: true,
|
||||
..Default::default()
|
||||
},
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
let (stdout, _) = cmd.dispatch(opts)?;
|
||||
let output = String::from_utf8_lossy(stdout.as_slice());
|
||||
|
||||
debug!("wp_status():\n{}", output);
|
||||
|
||||
let s = std::format!("write protect is {}abled", status);
|
||||
Ok(output.contains(&s))
|
||||
}
|
||||
|
||||
pub fn wp_toggle(cmd: &cmd::FlashromCmd, en: bool) -> Result<bool, FlashromError> {
|
||||
let status = if en { "en" } else { "dis" };
|
||||
|
||||
// For MTD, --wp-range and --wp-enable must be used simultaneously.
|
||||
let range = if en {
|
||||
let rom_sz: i64 = cmd.get_size()?;
|
||||
Some((0, rom_sz)) // (start, len)
|
||||
} else {
|
||||
None
|
||||
};
|
||||
|
||||
let opts = FlashromOpt {
|
||||
wp_opt: WPOpt {
|
||||
range: range,
|
||||
enable: en,
|
||||
disable: !en,
|
||||
..Default::default()
|
||||
},
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
let (stdout, stderr) = cmd.dispatch(opts)?;
|
||||
let output = String::from_utf8_lossy(stdout.as_slice());
|
||||
let eoutput = String::from_utf8_lossy(stderr.as_slice());
|
||||
|
||||
debug!("wp_toggle()'stdout:\n{}.", output);
|
||||
debug!("wp_toggle()'stderr:\n{}.", eoutput);
|
||||
|
||||
match wp_status(&cmd, true) {
|
||||
Ok(_ret) => {
|
||||
info!("Successfully {}abled write-protect", status);
|
||||
Ok(true)
|
||||
}
|
||||
Err(e) => Err(format!("Cannot {}able write-protect: {}", status, e)),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn read(cmd: &cmd::FlashromCmd, path: &str) -> Result<(), FlashromError> {
|
||||
let opts = FlashromOpt {
|
||||
io_opt: IOOpt {
|
||||
read: Some(path),
|
||||
..Default::default()
|
||||
},
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
let (stdout, _) = cmd.dispatch(opts)?;
|
||||
let output = String::from_utf8_lossy(stdout.as_slice());
|
||||
debug!("read():\n{}", output);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn write(cmd: &cmd::FlashromCmd, path: &str) -> Result<(), FlashromError> {
|
||||
let opts = FlashromOpt {
|
||||
io_opt: IOOpt {
|
||||
write: Some(path),
|
||||
..Default::default()
|
||||
},
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
let (stdout, _) = cmd.dispatch(opts)?;
|
||||
let output = String::from_utf8_lossy(stdout.as_slice());
|
||||
debug!("write():\n{}", output);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn verify(cmd: &cmd::FlashromCmd, path: &str) -> Result<(), FlashromError> {
|
||||
let opts = FlashromOpt {
|
||||
io_opt: IOOpt {
|
||||
verify: Some(path),
|
||||
..Default::default()
|
||||
},
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
let (stdout, _) = cmd.dispatch(opts)?;
|
||||
let output = String::from_utf8_lossy(stdout.as_slice());
|
||||
debug!("verify():\n{}", output);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn erase(cmd: &cmd::FlashromCmd) -> Result<(), FlashromError> {
|
||||
let opts = FlashromOpt {
|
||||
io_opt: IOOpt {
|
||||
erase: true,
|
||||
..Default::default()
|
||||
},
|
||||
..Default::default()
|
||||
};
|
||||
|
||||
let (stdout, _) = cmd.dispatch(opts)?;
|
||||
let output = String::from_utf8_lossy(stdout.as_slice());
|
||||
debug!("erase():\n{}", output);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
#[test]
|
||||
fn extract_flash_name() {
|
||||
use super::extract_flash_name;
|
||||
|
||||
assert_eq!(
|
||||
extract_flash_name(
|
||||
"coreboot table found at 0x7cc13000\n\
|
||||
Found chipset \"Intel Braswell\". Enabling flash write... OK.\n\
|
||||
vendor=\"Winbond\" name=\"W25Q64DW\"\n"
|
||||
),
|
||||
Some(("Winbond", "W25Q64DW"))
|
||||
);
|
||||
|
||||
assert_eq!(
|
||||
extract_flash_name(
|
||||
"vendor name is TEST\n\
|
||||
Something failed!"
|
||||
),
|
||||
None
|
||||
)
|
||||
}
|
||||
/// Set write protect status for a range.
|
||||
fn wp_range(&self, range: (i64, i64), wp_enable: bool) -> Result<bool, FlashromError>;
|
||||
|
||||
/// Read the write protect regions for the flash.
|
||||
fn wp_list(&self) -> Result<String, FlashromError>;
|
||||
|
||||
/// Return true if the flash write protect status matches `en`.
|
||||
fn wp_status(&self, en: bool) -> Result<bool, FlashromError>;
|
||||
|
||||
/// Set write protect status.
|
||||
fn wp_toggle(&self, en: bool) -> Result<bool, FlashromError>;
|
||||
|
||||
/// Read the whole flash to the file specified by `path`.
|
||||
fn read(&self, path: &str) -> Result<(), FlashromError>;
|
||||
|
||||
/// Write the whole flash to the file specified by `path`.
|
||||
fn write(&self, path: &str) -> Result<(), FlashromError>;
|
||||
|
||||
/// Verify the whole flash against the file specified by `path`.
|
||||
fn verify(&self, path: &str) -> Result<(), FlashromError>;
|
||||
|
||||
/// Erase the whole flash.
|
||||
fn erase(&self) -> Result<(), FlashromError>;
|
||||
|
||||
/// Return true if the hardware write protect of this flash can be controlled.
|
||||
fn can_control_hw_wp(&self) -> bool;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user