specified address. The serial port must already be
setup and configured. Options are not yet supported.
+ rda,<addr>
+ Start an early, polled-mode console on a serial port
+ of an RDA Micro SoC, such as RDA8810PL, at the
+ specified address. The serial port must already be
+ setup and configured. Options are not yet supported.
+
smh Use ARM semihosting calls for early console.
s3c2410,<addr>
specified address. The serial port must already be
setup and configured. Options are not yet supported.
+ efifb,[options]
+ Start an early, unaccelerated console on the EFI
+ memory mapped framebuffer (if available). On cache
+ coherent non-x86 systems that use system memory for
+ the framebuffer, pass the 'ram' option so that it is
+ mapped with the correct attributes.
+
earlyprintk= [X86,SH,ARM,M68k,S390]
earlyprintk=vga
- earlyprintk=efi
earlyprintk=sclp
earlyprintk=xen
earlyprintk=serial[,ttySn[,baudrate]]
timeout < 0: reboot immediately
Format: <timeout>
+ panic_print= Bitmask for printing system info when panic happens.
+ User can chose combination of the following bits:
+ bit 0: print all tasks info
+ bit 1: print system memory info
+ bit 2: print timer info
+ bit 3: print locks info if CONFIG_LOCKDEP is on
+ bit 4: print ftrace buffer
+
panic_on_warn panic() instead of WARN(). Useful to cause kdump
on a WARN().