diff options
Diffstat (limited to 'util/flashrom_tester/src/utils.rs')
| -rw-r--r-- | util/flashrom_tester/src/utils.rs | 155 |
1 files changed, 49 insertions, 106 deletions
diff --git a/util/flashrom_tester/src/utils.rs b/util/flashrom_tester/src/utils.rs index d17480bcb..4e8dd7cce 100644 --- a/util/flashrom_tester/src/utils.rs +++ b/util/flashrom_tester/src/utils.rs @@ -44,6 +44,18 @@ pub enum LayoutNames { BottomQuad, } +impl LayoutNames { + // Return a section that does not overlap + pub fn get_non_overlapping_section(&self) -> LayoutNames { + match self { + LayoutNames::TopQuad => LayoutNames::BottomQuad, + LayoutNames::TopHalf => LayoutNames::BottomHalf, + LayoutNames::BottomHalf => LayoutNames::TopHalf, + LayoutNames::BottomQuad => LayoutNames::TopQuad, + } + } +} + #[derive(Debug, PartialEq, Eq, Clone, Copy)] pub struct LayoutSizes { half_sz: i64, @@ -88,20 +100,20 @@ pub fn construct_layout_file<F: Write>(mut target: F, ls: &LayoutSizes) -> std:: } pub fn toggle_hw_wp(dis: bool) -> Result<(), String> { - // The easist way to toggle the harware write-protect is + // The easist way to toggle the hardware write-protect is // to {dis}connect the battery (and/or open the WP screw). let s = if dis { "dis" } else { "" }; - info!("Prompt for hardware WP {}able", s); - eprintln!(" > {}connect the battery (and/or open the WP screw)", s); - pause(); - let wp = get_hardware_wp()?; - if wp && dis { - eprintln!("Hardware write protect is still ENABLED!"); - return toggle_hw_wp(dis); - } - if !wp && !dis { - eprintln!("Hardware write protect is still DISABLED!"); - return toggle_hw_wp(dis); + // Print a failure message, but not on the first try. + let mut fail_msg = None; + while dis == get_hardware_wp()? { + if let Some(msg) = fail_msg { + eprintln!("{msg}"); + } + fail_msg = Some(format!("Hardware write protect is still {}!", !dis)); + // The following message is read by the tast test. Do not modify. + info!("Prompt for hardware WP {}able", s); + eprintln!(" > {}connect the battery (and/or open the WP screw)", s); + pause(); } Ok(()) } @@ -114,21 +126,36 @@ pub fn ac_power_warning() { } fn pause() { - let mut stdout = std::io::stdout(); - // We want the cursor to stay at the end of the line, so we print without a newline - // and flush manually. - stdout.write(b"Press any key to continue...").unwrap(); - stdout.flush().unwrap(); - std::io::stdin().read(&mut [0]).unwrap(); + // The following message is read by the tast test. Do not modify. + println!("Press enter to continue..."); + // Rust stdout is always LineBuffered at time of writing. + // But this is not guaranteed, so flush anyway. + std::io::stdout().flush().unwrap(); + // This reads one line, there is no guarantee the line came + // after the above prompt. But it is good enough. + if std::io::stdin().read_line(&mut String::new()).unwrap() == 0 { + panic!("stdin closed"); + } } pub fn get_hardware_wp() -> std::result::Result<bool, String> { - let (_, wp) = parse_crosssystem(&collect_crosssystem()?)?; - Ok(wp) + let wp_s_val = collect_crosssystem(&["wpsw_cur"])?.parse::<u32>(); + match wp_s_val { + Ok(v) => { + if v == 1 { + Ok(true) + } else if v == 0 { + Ok(false) + } else { + Err("Unknown write protect value".into()) + } + } + Err(_) => Err("Cannot parse write protect value".into()), + } } -pub fn collect_crosssystem() -> Result<String, String> { - let cmd = match Command::new("crossystem").output() { +pub fn collect_crosssystem(args: &[&str]) -> Result<String, String> { + let cmd = match Command::new("crossystem").args(args).output() { Ok(x) => x, Err(e) => return Err(format!("Failed to run crossystem: {}", e)), }; @@ -140,39 +167,6 @@ pub fn collect_crosssystem() -> Result<String, String> { Ok(String::from_utf8_lossy(&cmd.stdout).into_owned()) } -fn parse_crosssystem(s: &str) -> Result<(Vec<&str>, bool), &'static str> { - // grep -v 'fwid +=' | grep -v 'hwid +=' - let sysinfo = s - .split_terminator("\n") - .filter(|s| !s.contains("fwid +=") && !s.contains("hwid +=")); - - let state_line = match sysinfo.clone().filter(|s| s.starts_with("wpsw_cur")).next() { - None => return Err("No wpsw_cur in system info"), - Some(line) => line, - }; - let wp_s_val = state_line - .trim_start_matches("wpsw_cur") - .trim_start_matches(' ') - .trim_start_matches('=') - .trim_start_matches(' ') - .get(..1) - .unwrap() - .parse::<u32>(); - - match wp_s_val { - Ok(v) => { - if v == 1 { - return Ok((sysinfo.collect(), true)); - } else if v == 0 { - return Ok((sysinfo.collect(), false)); - } else { - return Err("Unknown state value"); - } - } - Err(_) => return Err("Cannot parse state value"), - } -} - pub fn translate_command_error(output: &std::process::Output) -> std::io::Error { use std::io::{Error, ErrorKind}; // There is two cases on failure; @@ -244,55 +238,4 @@ mod tests { } ); } - - #[test] - fn parse_crosssystem() { - use super::parse_crosssystem; - - assert_eq!( - parse_crosssystem("This is not the tool you are looking for").err(), - Some("No wpsw_cur in system info") - ); - - assert_eq!( - parse_crosssystem("wpsw_cur = ERROR").err(), - Some("Cannot parse state value") - ); - - assert_eq!( - parse_crosssystem("wpsw_cur = 3").err(), - Some("Unknown state value") - ); - - assert_eq!( - parse_crosssystem("wpsw_cur = 0"), - Ok((vec!["wpsw_cur = 0"], false)) - ); - - assert_eq!( - parse_crosssystem("wpsw_cur = 1"), - Ok((vec!["wpsw_cur = 1"], true)) - ); - - assert_eq!( - parse_crosssystem("wpsw_cur=1"), - Ok((vec!["wpsw_cur=1"], true)) - ); - - assert_eq!( - parse_crosssystem( - "fwid += 123wpsw_cur\n\ - hwid += aaaaa\n\ - wpsw_boot = 0 # [RO/int]\n\ - wpsw_cur = 1 # [RO/int]\n" - ), - Ok(( - vec![ - "wpsw_boot = 0 # [RO/int]", - "wpsw_cur = 1 # [RO/int]" - ], - true - )) - ); - } } |