It's under the 'util' directory in the coreboot repository: http://review.coreboot.org/gitweb?p=coreboot.git;a=tree;f=util/cbmem;h=14fbe6c462edf294e247e95616700cee7a6f46db;hb=refs/heads/master
>From this: [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000020000000-0x00000000201fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000020200000-0x000000003fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000040000000-0x00000000401fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000040200000-0x000000007c6dffff] usable [ 0.000000] BIOS-e820: [mem 0x000000007c6e0000-0x000000007f1fffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000f0000000-0x00000000f3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x00000001005fffff] usable Adding up the reported usable memory should jive with your expectations. As for needing console, yes, you will need to compile with console. CONFIG_EARLY_CBMEM_INIT=y CONFIG_CONSOLE_CBMEM=y On Mon, Jul 29, 2013 at 9:19 AM, John Lewis <[email protected]> wrote: > Where do I find/build cbmem binary? > > Please find attached dmesg. > > > On 29/07/2013 14:43, Aaron Durbin wrote: > >> Can you provide the full firmware log and dmesg? 'cbmem -l' should >> give you the firmware log. >> >> On Sun, Jul 28, 2013 at 7:47 AM, John Lewis <[email protected]> wrote: >> >>> Guys, I have noticed that not all the 4 GB or RAM is showing, and I get >>> this message in the kernel: [ 0.000000] Memory: 1914260k/4200448k >>> available (6486k kernel code, 2160136k absent, 126052k reserved, 6780k >>> data, 1412k init) Any idea what the problem is (mrc.bin), and what I >>> might do to workaround? John. -- coreboot mailing list: >>> [email protected] [1] >>> http://www.coreboot.org/mailman/listinfo/coreboot [2] > > > > Links: > ------ > [1] mailto:[email protected] > [2] http://www.coreboot.org/mailman/listinfo/coreboot -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
