283291 |
22-May-2015 |
jkim |
CALLOUT_MPSAFE has lost its meaning since r141428, i.e., for more than ten years for head. However, it is continuously misused as the mpsafe argument for callout_init(9). Deprecate the flag and clean up callout_init() calls to make them more consistent.
Differential Revision: https://reviews.freebsd.org/D2613 Reviewed by: jhb MFC after: 2 weeks
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239668 |
25-Aug-2012 |
rwatson |
In the gxemul console, check the RB_SERIAL boot flag, and change the relative priority of the gxemul console in line with its role as a "seiral console". This allows it to override video console drivers that might otherwise take precdence, subject to that boot flag.
Sponsored by: DARPA, AFRL
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234920 |
02-May-2012 |
rwatson |
Merge a rudimentary gxemul "oldtestmips" port. This consists almost entirely of one machdep file lifted from the MALTA port, as well as a low-level console and tty driver for the gxemul debugging console device (the emulators stdio). As with many low-level embedded and hypervisor console devices, it is polled only, so we drive TTY I/O from a callout; we are perhaps a bit too aware of the MIPS physical maps in order to attach the console before newbus comes to life.
The sample kernel configuration depends on an MD-based root file system, which is not provided. However, any 64-bit, big-endian userspace image (such as one generated for MALTA) should work.
This will hopefully be supplemented by additional device drivers for gxemul-specific hardware simulations from Juli Mallett. We have found oldtestmips quite useful for testing and improving aspects of the MIPS port, so it's worth supporting better in FreeBSD.
Requested by: theraven, jmallett Sponsored by: DARPA, AFRL MFC after: 3 weeks
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