Re: Updating vmware3 (and missing "avail_end" from
On Fri, Feb 29, 2008 at 01:29:23PM -0800, [email]email@example.com[/email] wrote:[color=blue]
> Hi all:
> I'm trying to get vmware3 working on FreeBSD RELEASE 7.0 for i386
> I've resolved every compilation problem except one:
> the driver.c in vmware3 requires the "avail_end" variable
> in 6.2's /usr/include/machine/pmap.h
> but is missing from 7.0's /usr/include/machine/pmap.h
> The vmware3 code goes like this:
> r = malloc(sizeof *r, M_DEVBUF, M_WAITOK);
> if (r == NULL) return ENOMEM;
> if (avail_end > ISA_DMA_BOUNCE_THRESHOLD)
> high = trunc_page(ISA_DMA_BOUNCE_THRESHOLD);
> high = trunc_page(avail_end);
> It turns out "avail_end" was removed from /usr/include/machine/pmap.h
> by revision 1.125, whose commit message reads:
> The global variable avail_end is redundant and only used once.
> Eliminate it. Make avail_start static to the pmap on amd64.
> (It no longer exists on other architectures.)
> So it appears that we can still get the value represented by
> the old avail_end variable, but I don't know anything about the kernel
> and I don't understand that comment. Could some kind soul help me
> decipher that so I can try to get vmware3 compilable again?[/color]
I think you can use "ptoa(Maxmem) - round_page(MSGBUF_SIZE)", the ptoa(Maxmem)
being the thing written during dmesg as:
real memory = 1039007744 (990 MB), I think its exported as hw.realmem sysctl
hope that helps.. let us know about your VMWare experiences!
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