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authorArd Biesheuvel <ard.biesheuvel@arm.com>2020-05-19 14:23:50 +0200
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2020-06-03 14:04:59 +0000
commitb1d3895fb97fa8b387739eb4600c6a0b820e4ec0 (patch)
tree67c278380144383b348ccdd94597f25645b7ff2a /ArmPkg/Library/PlatformBootManagerLib
parentca407c7246bf405da6d9b1b9d93e5e7f17b4b1f9 (diff)
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ArmPkg/PlatformBootManagerLib: use static assertion for console type
Replace the runtime ASSERT with the build time STATIC_ASSERT on the check that ensures that the terminal type we use for the serial console matches the one we explicitly add to the ConIn/ConOut/StdErr variables. This helps catch serial console issues early, even in RELEASE builds, reducing the risk of ending up with no console at all, which can be tricky to debug on bare metal. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@arm.com> Reviewed-by: Leif Lindholm <leif@nuviainc.com> Reviewed-by: Sami Mujawar <Sami.Mujawar@arm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'ArmPkg/Library/PlatformBootManagerLib')
-rw-r--r--ArmPkg/Library/PlatformBootManagerLib/PlatformBm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/ArmPkg/Library/PlatformBootManagerLib/PlatformBm.c b/ArmPkg/Library/PlatformBootManagerLib/PlatformBm.c
index e6e788e..f713605 100644
--- a/ArmPkg/Library/PlatformBootManagerLib/PlatformBm.c
+++ b/ArmPkg/Library/PlatformBootManagerLib/PlatformBm.c
@@ -583,7 +583,9 @@ PlatformBootManagerBeforeConsole (
//
// Add the hardcoded serial console device path to ConIn, ConOut, ErrOut.
//
- ASSERT (FixedPcdGet8 (PcdDefaultTerminalType) == 4);
+ STATIC_ASSERT (FixedPcdGet8 (PcdDefaultTerminalType) == 4,
+ "PcdDefaultTerminalType must be TTYTERM");
+
CopyGuid (&mSerialConsole.TermType.Guid, &gEfiTtyTermGuid);
EfiBootManagerUpdateConsoleVariable (ConIn,