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| author | Ed Maste <emaste@FreeBSD.org> | 2023-08-15 22:42:22 +0000 |
|---|---|---|
| committer | Ed Maste <emaste@FreeBSD.org> | 2023-08-15 22:45:58 +0000 |
| commit | 34d55be0747ba4452f9611ca88fe21e9d94be266 (patch) | |
| tree | 356cc70831cd8c829abde2cd67c5c8ee15cfef83 /stand/i386 | |
| parent | eac761e967b34066aa7183474249df87d79a2f32 (diff) | |
| download | src-34d55be0747ba4452f9611ca88fe21e9d94be266.tar.gz src-34d55be0747ba4452f9611ca88fe21e9d94be266.zip | |
boot0: add a note about BIOS-supported serial rates
We plan to increase the default serial rate to 115200 (see review
D36295) but early boot components that use BIOS interfaces do not
support higher rates. Add a note to that effect.
Reported by: imp
Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'stand/i386')
| -rw-r--r-- | stand/i386/boot0/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/stand/i386/boot0/Makefile b/stand/i386/boot0/Makefile index 5e82d7b6ae67..83eee46dfd11 100644 --- a/stand/i386/boot0/Makefile +++ b/stand/i386/boot0/Makefile @@ -56,7 +56,7 @@ ORG= 0x600 # 2 stop bits (set = 2, clear = 1) # 1-0 data bits (00 = 5, 01 = 6, 10 = 7, 11 = 8) .if !defined(BOOT_BOOT0_COMCONSOLE_SPEED) -BOOT_COMCONSOLE_SPEED?= 9600 +BOOT_COMCONSOLE_SPEED?= 9600 # BIOS interfaces do not support higher rates. .if ${BOOT_COMCONSOLE_SPEED} == 9600 BOOT_BOOT0_COMCONSOLE_SPEED= "7 << 5 + 3" .elif ${BOOT_COMCONSOLE_SPEED} == 4800 |