[Barrelfish-users] {Disarmed} Re: Problems when booting Barrelfish on SCC
Shi Jinghao (史经浩）
jhshi at cs.hku.hk
Fri Apr 27 11:55:14 CEST 2012
Here is my progress update on the problem of booting on SCC.
I found that the variable bsp is not correctly set in apic_init
(/kernel/arch/x86/apic.c). bsp is initiated as true when defined. But there
is no code that set its value when __scc__ is defined. The only code that
touch bsp is wapped by #if !defined(__scc__) || defined.
So I added the following line in text_init (/kernel/arch/x86_32/init.c),
right after print the "My APIC ID:" message,
bsp = (apic_id == 0);
It's a temporal hack that we assume core 0 is always the bsp core.
After done this, core 1 will realize that it's not bsp core so it will not
try to boot core 0. But then I immediately found that the core_data passed
to core 1 is corrupted. I found this from:
- core_data->memory_base_start = 0x0ffb7000, which seems ok but
core_data->memory_bits = 0, this will make app_alloc_phys_end = 0x0ffb7001
and fail app_alloc_phys
- core_data->dst_core_id and src_arch_id is wrong (some meaningless number)
I'm trying to figure out whether core 0 has place the x86_core_data
structure correctly..
Thanks,
Jinghao
On Fri, Apr 27, 2012 at 2:18 PM, Shi Jinghao <jhshi89 at gmail.com> wrote:
> Hi, Stefan,
>
> I tried release2011-09-02 but it's still not work, and the same problem
> occurs.
>
> Don't know if you got any clue yet, but when I insert a printk in function
> kernel_startup (/kernel/arch/x86/startup_x86.c). I find that the function
> apic_is_bsp() may not work properly: each core think it' startup core!! But
> when I traced the code and come to apic_base_msr (function apic_init in
> file /kernel/arch/x86/apic.c), I am lost, and can not figure out where
> apic_base_msr.bsp is set. Any hints here?
>
> Thanks,
> Jinghao
>
>
> Here is the code snippet where I inserted printk, FYI:
>
> 290 if (apic_is_bsp()) {
> 291 printk(LOG_DEBUG, "\n in kernel_startup, I am BSP\n");
> 292 /* Initialize the location to allocate phys memory from */
> 293 bsp_init_alloc_addr = glbl_core_data->start_free_ram;
> 294
> 295 /* spawn init */
> 296 init_dcb = spawn_bsp_init(BSP_INIT_MODULE_PATH,
> bsp_alloc_phys);
> 297 } else {
> 298 printk(LOG_DEBUG, "\n in kernel_startup, I am NOT BSP\n");
> 299 my_core_id = core_data->dst_core_id;
> 300
> 301 /* Initialize the allocator */
> 302 app_alloc_phys_start = core_data->memory_base_start;
> 303 app_alloc_phys_end = ((lpaddr_t)1 << core_data->memory_bits)
> +
> 304 app_alloc_phys_start;
> 305
> 306 init_dcb = spawn_app_init(core_data, APP_INIT_PROG_NAME,
> app_alloc_phys);
> 307 }
>
>
> On Tue, Apr 24, 2012 at 4:13 AM, Stefan Kästle <stefan.kaestle at inf.ethz.ch
> > wrote:
>
>> Hi,
>>
>> this is harder to fix than I originally though. I will take some time to
>> fix (especially since I am a little busy right now).
>>
>> Maybe you want to use an earlier version of Barrelfish in the meanwhile,
>> e.g. revision release2011-09-02?! Since then, nothing significantly changed
>> for the SCC code anyway. That one works fine on our SCC. In case you
>> revert, make sure to do a clean rebuild!
>>
>> Cheers
>> Stefan
>>
>> On 04/22/2012 12:18 PM, Shi Jinghao (史经浩） wrote:
>>
>> Hi, stefan.
>>
>> I changed the line as you instructed and it works. But when I try to
>> boot core 0, 1, 2 ,3
>> with the following line:
>>
>> module /scc/sbin/spawnd boot bootscc=1-3
>>
>> The same problem occurs (ouput attached). So what's the proper syntax
>> that correctly
>> boot scc cores (e.g. {0, 1, 2, 3}, or {0, 2, 4, 6} )?
>>
>> Regards,
>> Jinghao
>>
>> ---------- OUTPUT START ------------------------------
>> Kernel starting at address 0x80100000
>> Barrelfish CPU driver starting on scc core 0
>> init: invoked as: init 2097152
>> Spawning memory server (scc/sbin/mem_serv)...
>> Spawning monitor (scc/sbin/monitor)...
>> starting monitor as 'scc/sbin/monitor 327680 '
>> monitor: invoked as: scc/sbin/monitor 327680
>> RAM allocator initialised, 1612 MB (of 1628 MB) available
>> Spawning chips on core 0
>> Spawning /scc/sbin/ramfsd on core 0
>> Spawning /scc/sbin/spawnd on core 0
>> Spawning /scc/sbin/startd on core 0
>> 0 chips: client waiting for ramfs
>> ramfsd.0: pre-populating from boot image...
>> 0 chips: client waiting for ramfs
>> ramfsd.0: ready
>> 0 chips: notifying client about ramfs
>> 0 chips: notifying client about ramfs
>> kernel 0: Allocating RAM at 0x80000000 uninitialized
>> kernel 0: Allocating RAM at 0x80010000 uninitialized
>> spawnd.0: coreid 0 is arch id 0
>> spawnd.0: coreid 1 is arch id 1
>> spawnd.0: coreid 2 is arch id 2
>> spawnd.0: coreid 3 is arch id 3
>> 0 chips: client waiting for all_spawnds_up
>> Monitor 0: booting scc core 1 as '/scc/sbin/cpu'
>> kernel 0: Allocating RAM at 0x80020000 uninitialized
>> Kernel starting at address 0x80100000
>> My APIC ID: 1
>> Barrelfish CPU driver starting on scc core 1
>> init: invoked as: init 2097152
>> Spawning memory server (scc/sbin/mem_serv)...
>> Spawning monitor (scc/sbin/monitor)...
>> starting monitor as 'scc/sbin/monitor 327680 '
>> monitor: invoked as: scc/sbin/monitor 327680
>> RAM allocator initialised, 1612 MB (of 1628 MB) available
>> Spawning chips on core 1
>> Spawning /scc/sbin/ramfsd on core 1
>> Spawning /scc/sbin/spawnd on core 1
>> Spawning /scc/sbin/startd on core 1
>> 0 chips: client waiting for ramfs
>> ramfsd.1: pre-populating from boot image...
>> 0 chips: client waiting for ramfs
>> ramfsd.1: ready
>> 0 chips: notifying client about ramfs
>> 0 chips: notifying client about ramfs
>> kernel 1: Allocating RAM at 0x84000000 uninitialized
>> kernel 1: Allocating RAM at 0x84010000 uninitialized
>> spawnd.1: coreid 0 is arch id 2
>> spawnd.1: coreid 1 is arch id 1
>> spawnd.1: coreid 2 is arch id 3
>> 0 chips: client waiting for all_spawnds_up
>> Monitor 1: booting scc core 0 as '/scc/sbin/cpu'
>> kernel 1: Allocating RAM at 0x84020000 uninitialized
>> kernel 1 PANIC! kernel assertion "rck_get_coreid() == 0" failed at
>> ../kernel/arch/scc/rck.c:876
>> kernel 1: exception 3 (error code 0x0): breakpoint
>> On behalf of: monitor
>> Faulting instruction pointer (or following instruction): 0x8010a7bf (0x
>> 10a7bf in binary)
>> EAX 0x80118000 EBX 0x80116e88 ECX 0x0 EDX 0x805202c0 ESP 0x80920a08
>> Top o' stack:
>> 0x8010a7bf 0x2 0x8 0x10 0x3 0x0 0x8010a7bf 0x8 0x2 0x80520180 0x80116e88
>> 0x80920a44 0x8010c612 0x80116e88 0x210d6000 0x80920a64 0x8010c64b
>> 0x801164a0 0x80114c10 0x80114b55
>> No GDB backend
>> ---------------- OUTPUT END ----------------------------
>>
>>
>> On Sun, Apr 22, 2012 at 5:33 PM, <
>> barrelfish-users-request at lists.inf.ethz.ch> wrote:
>>
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>>> Today's Topics:
>>>
>>> 1. Problems when booting Barrelfish on SCC (???? <jhshi at cs.hku.hk>)
>>> 2. Re: Problems when booting Barrelfish on SCC (Stefan K?stle)
>>>
>>>
>>> ----------------------------------------------------------------------
>>>
>>> Message: 1
>>> Date: Sun, 22 Apr 2012 17:12:57 +0800
>>> From: Shi Jinghao (???? <jhshi at cs.hku.hk>
>>> Subject: [Barrelfish-users] Problems when booting Barrelfish on SCC
>>> To: barrelfish-users at lists.inf.ethz.ch
>>> Message-ID:
>>> <
>>> CAKdW-HFRKv6HWqAxwsL5MMJRqot6BSPkHXPx9ecXg3eaONRHZw at mail.gmail.com>
>>> Content-Type: text/plain; charset="iso-8859-1"
>>>
>>> Hi,
>>>
>>> I'm trying to boot barrelfish on SCC. I've managed to compile the source,
>>> get barrelfish0.obj and barrelfish48.mt.
>>> Then I use the bootscc.sh to boot it. For test, I just want to boot core
>>> 0
>>> and core 1, but a weird problem
>>> happens: core 1 is trying to boot core 0. Here is the output after system
>>> start.
>>>
>>> ----------------------OUTPUT START ------------------------------------
>>> Kernel starting at address 0x80100000
>>> hku at ubuntu:~/fish/hg.barrelfish.org/build$ My APIC ID: 0
>>> Barrelfish CPU driver starting on scc core 0
>>> init: invoked as: init 2097152
>>> Spawning memory server (scc/sbin/mem_serv)...
>>> Spawning monitor (scc/sbin/monitor)...
>>> starting monitor as 'scc/sbin/monitor 327680 '
>>> monitor: invoked as: scc/sbin/monitor 327680
>>> RAM allocator initialised, 1612 MB (of 1628 MB) available
>>> Spawning chips on core 0
>>> Spawning /scc/sbin/ramfsd on core 0
>>> Spawning /scc/sbin/spawnd on core 0
>>> Spawning /scc/sbin/startd on core 0
>>> 0 chips: client waiting for ramfs
>>> ramfsd.0: pre-populating from boot image...
>>> 0 chips: client waiting for ramfs
>>> ramfsd.0: ready
>>> 0 chips: notifying client about ramfs
>>> 0 chips: notifying client about ramfs
>>> kernel 0: Allocating RAM at 0x80000000 uninitialized
>>> kernel 0: Allocating RAM at 0x80010000 uninitialized
>>> spawnd.0: coreid 0 is arch id 0
>>> spawnd.0: coreid 1 is arch id 1
>>> 0 chips: client waiting for all_spawnds_up
>>> Monitor 0: booting scc core 1 as '/scc/sbin/cpu'
>>> kernel 0: Allocating RAM at 0x80020000 uninitialized
>>> Kernel starting at address 0x80100000
>>> My APIC ID: 1
>>> Barrelfish CPU driver starting on scc core 1
>>> init: invoked as: init 2097152
>>> Spawning memory server (scc/sbin/mem_serv)...
>>> Spawning monitor (scc/sbin/monitor)...
>>> starting monitor as 'scc/sbin/monitor 327680 '
>>> monitor: invoked as: scc/sbin/monitor 327680
>>> RAM allocator initialised, 1612 MB (of 1628 MB) available
>>> Spawning chips on core 1
>>> Spawning /scc/sbin/ramfsd on core 1
>>> Spawning /scc/sbin/spawnd on core 1
>>> Spawning /scc/sbin/startd on core 1
>>> 0 chips: client waiting for ramfs
>>> ramfsd.1: pre-populating from boot image...
>>> 0 chips: client waiting for ramfs
>>> ramfsd.1: ready
>>> 0 chips: notifying client about ramfs
>>> 0 chips: notifying client about ramfs
>>> kernel 1: Allocating RAM at 0x84000000 uninitialized
>>> kernel 1: Allocating RAM at 0x84010000 uninitialized
>>> spawnd.1: coreid 0 is arch id 0
>>> spawnd.1: coreid 1 is arch id 1
>>> 0 chips: client waiting for all_spawnds_up
>>> Monitor 1: booting scc core 0 as '/scc/sbin/cpu'
>>> ********* Why would core 1 want to boot core 0 ? **************
>>> kernel 1: Allocating RAM at 0x84020000 uninitialized
>>> kernel 1 PANIC! kernel assertion "rck_get_coreid() == 0" failed at
>>> ../kernel/arch/scc/rck.c:876
>>> kernel 1: exception 3 (error code 0x0): breakpoint
>>> On behalf of: monitor
>>> Faulting instruction pointer (or following instruction): 0x8010a7bf (0x
>>> 10a7bf in binary)
>>> EAX 0x80118000 EBX 0x80116e88 ECX 0x0 EDX 0x805202c0 ESP 0x80920a08
>>> Top o' stack:
>>> 0x8010a7bf 0x2 0x8 0x10 0x3 0x0 0x8010a7bf 0x8 0x2 0x80520180 0x80116e88
>>> 0x80920a44 0x8010c612 0x80116e88 0x210d6000 0x80920a64 0x8010c64b
>>> 0x801164a0 0x80114c10 0x80114b55
>>> No GDB backend
>>> --------------- OUTPUT END ------------------------------
>>>
>>> As I see it, core 1 seems thought that it's the bsp core (while it's not)
>>> so it's responsible to boot other cores. But I fail to see why core 1
>>> would
>>> think like that.
>>>
>>> Any ideas on this? Thanks in advance.
>>>
>>> Regards,
>>> Jinghao
>>>
>>> FYI, this is my menu.lst.scc
>>>
>>> 1 timeout 0
>>> 2
>>> 3 # spawnd is used to control which cpus are booted
>>> 4 #
>>> 5 # "spawnd boot" will use the skb and pci to figure out and
>>> 6 # boot all cores in the machine
>>> 7 #
>>> 8 # "spawnd boot bootscc=1-6" will not use the skb and
>>> 9 # boot the list of cores passed as argument.
>>> 10 # The hardware id of the cores to boot should be specified.
>>> 11 # This list may not include the bsp core id.
>>> 12
>>> 13 title Barrelfish
>>> 14 root (nd)
>>> 15 kernel /scc/sbin/cpu loglevel=4
>>> 16 module /scc/sbin/cpu
>>> 17 module /scc/sbin/init
>>> 18
>>> 19 # Domains spawned by init
>>> 20 module /scc/sbin/mem_serv
>>> 21 module /scc/sbin/monitor
>>> 22
>>> 23 module /scc/sbin/chips boot
>>> 24 module /scc/sbin/ramfsd boot
>>> 25 module /scc/sbin/spawnd boot bootscc=0-1
>>> 26 module /scc/sbin/startd boot
>>> 27
>>> 28 #module /scc/sbin/examples/xmpl-hello
>>> 29
>>> 30 # modules needed to start the networking
>>> 31 # module /scc/sbin/eMAC core=0 device=2
>>> 32 # module /scc/sbin/netd core=0 cardname=eMAC2_0
>>> 33 # module /scc/sbin/eMAC core=1
>>> 34 # module /scc/sbin/netd core=1 cardname=eMAC2_1
>>> 35
>>> 36 # Test for network throughput
>>> 37 # module /scc/sbin/netthroughput core=1 /nfs
>>> nfs://*MailScanner warning: numerical links are often malicious:*10.110.4.41/shared/nfs/pravin/testfile.txt<http://10.110.4.41/shared/nfs/pravin/testfile.txt>
>>> 38
>>> 39 # For webserver
>>> 40 # module /scc/sbin/webserver core=1 eMAC2_1 10.110.4.41
>>> /shared/pravin/sw
>>> 41
>>> 42 # RCK memory map
>>> 43 # Everything up til VGA is private RAM (maybe we want to throw it
>>> away)
>>> 44 mmap map 0x0 0xa000 2
>>> 45 # Everything after VGA is private RAM (we also live in this area)
>>> 46 mmap map 0xe800 0x26ff1800 1
>>> 47 # Shared RAM (over all MCs) in the middle of address space
>>> 48 #mmap map 0x80000000 0x4000000 1
>>> 49 mmap map 0x80000000 0x40000000 1
>>> 50 # At the very end we have some platform memory (bootup EEPROM)
>>> 51 mmap map 0xfffc0000 0x40000 2
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>>>
>>> ------------------------------
>>>
>>> Message: 2
>>> Date: Sun, 22 Apr 2012 11:33:52 +0200
>>> From: Stefan K?stle <stefan.kaestle at inf.ethz.ch>
>>> Subject: Re: [Barrelfish-users] Problems when booting Barrelfish on
>>> SCC
>>> To: <barrelfish-users at lists.inf.ethz.ch>
>>> Message-ID: <4F93D080.6080905 at inf.ethz.ch>
>>> Content-Type: text/plain; charset="iso-8859-1"
>>>
>>> Hi,
>>>
>>> can you try replacing
>>> module /scc/sbin/spawnd boot bootscc=0-1
>>> with
>>> module /scc/sbin/spawnd boot bootscc=1
>>> and try it again?
>>>
>>> The boot-up of core 0 is implicit - we do not specify it as a spwand
>>> argument.
>>>
>>> Cheers,
>>> Stefan
>>>
>>> On 04/22/2012 11:12 AM, Shi Jinghao (???) wrote:
>>> > Hi,
>>> >
>>> > I'm trying to boot barrelfish on SCC. I've managed to compile the
>>> > source, get barrelfish0.obj and barrelfish48.mt <
>>> http://barrelfish48.mt>.
>>> > Then I use the bootscc.sh to boot it. For test, I just want to boot
>>> > core 0 and core 1, but a weird problem
>>> > happens: core 1 is trying to boot core 0. Here is the output after
>>> > system start.
>>> >
>>> > ----------------------OUTPUT START ------------------------------------
>>> > Kernel starting at address 0x80100000
>>> > hku at ubuntu:~/fish/hg.barrelfish.org/build$
>>> > <http://hg.barrelfish.org/build$> My APIC ID: 0
>>> > Barrelfish CPU driver starting on scc core 0
>>> > init: invoked as: init 2097152
>>> > Spawning memory server (scc/sbin/mem_serv)...
>>> > Spawning monitor (scc/sbin/monitor)...
>>> > starting monitor as 'scc/sbin/monitor 327680 '
>>> > monitor: invoked as: scc/sbin/monitor 327680
>>> > RAM allocator initialised, 1612 MB (of 1628 MB) available
>>> > Spawning chips on core 0
>>> > Spawning /scc/sbin/ramfsd on core 0
>>> > Spawning /scc/sbin/spawnd on core 0
>>> > Spawning /scc/sbin/startd on core 0
>>> > 0 chips: client waiting for ramfs
>>> > ramfsd.0: pre-populating from boot image...
>>> > 0 chips: client waiting for ramfs
>>> > ramfsd.0: ready
>>> > 0 chips: notifying client about ramfs
>>> > 0 chips: notifying client about ramfs
>>> > kernel 0: Allocating RAM at 0x80000000 uninitialized
>>> > kernel 0: Allocating RAM at 0x80010000 uninitialized
>>> > spawnd.0: coreid 0 is arch id 0
>>> > spawnd.0: coreid 1 is arch id 1
>>> > 0 chips: client waiting for all_spawnds_up
>>> > Monitor 0: booting scc core 1 as '/scc/sbin/cpu'
>>> > kernel 0: Allocating RAM at 0x80020000 uninitialized
>>> > Kernel starting at address 0x80100000
>>> > My APIC ID: 1
>>> > Barrelfish CPU driver starting on scc core 1
>>> > init: invoked as: init 2097152
>>> > Spawning memory server (scc/sbin/mem_serv)...
>>> > Spawning monitor (scc/sbin/monitor)...
>>> > starting monitor as 'scc/sbin/monitor 327680 '
>>> > monitor: invoked as: scc/sbin/monitor 327680
>>> > RAM allocator initialised, 1612 MB (of 1628 MB) available
>>> > Spawning chips on core 1
>>> > Spawning /scc/sbin/ramfsd on core 1
>>> > Spawning /scc/sbin/spawnd on core 1
>>> > Spawning /scc/sbin/startd on core 1
>>> > 0 chips: client waiting for ramfs
>>> > ramfsd.1: pre-populating from boot image...
>>> > 0 chips: client waiting for ramfs
>>> > ramfsd.1: ready
>>> > 0 chips: notifying client about ramfs
>>> > 0 chips: notifying client about ramfs
>>> > kernel 1: Allocating RAM at 0x84000000 uninitialized
>>> > kernel 1: Allocating RAM at 0x84010000 uninitialized
>>> > spawnd.1: coreid 0 is arch id 0
>>> > spawnd.1: coreid 1 is arch id 1
>>> > 0 chips: client waiting for all_spawnds_up
>>> > Monitor 1: booting scc core 0 as '/scc/sbin/cpu'
>>> > ********* Why would core 1 want to boot core 0 ? **************
>>> > kernel 1: Allocating RAM at 0x84020000 uninitialized
>>> > kernel 1 PANIC! kernel assertion "rck_get_coreid() == 0" failed at
>>> > ../kernel/arch/scc/rck.c:876
>>> > kernel 1: exception 3 (error code 0x0): breakpoint
>>> > On behalf of: monitor
>>> > Faulting instruction pointer (or following instruction): 0x8010a7bf
>>> > (0x 10a7bf in binary)
>>> > EAX 0x80118000 EBX 0x80116e88 ECX 0x0 EDX 0x805202c0 ESP 0x80920a08
>>> > Top o' stack:
>>> > 0x8010a7bf 0x2 0x8 0x10 0x3 0x0 0x8010a7bf 0x8 0x2 0x80520180
>>> > 0x80116e88 0x80920a44 0x8010c612 0x80116e88 0x210d6000 0x80920a64
>>> > 0x8010c64b 0x801164a0 0x80114c10 0x80114b55
>>> > No GDB backend
>>> > --------------- OUTPUT END ------------------------------
>>> >
>>> > As I see it, core 1 seems thought that it's the bsp core (while it's
>>> > not) so it's responsible to boot other cores. But I fail to see why
>>> > core 1 would think like that.
>>> >
>>> > Any ideas on this? Thanks in advance.
>>> >
>>> > Regards,
>>> > Jinghao
>>> >
>>> > FYI, this is my menu.lst.scc
>>> >
>>> > 1 timeout 0
>>> > 2
>>> > 3 # spawnd is used to control which cpus are booted
>>> > 4 #
>>> > 5 # "spawnd boot" will use the skb and pci to figure out and
>>> > 6 # boot all cores in the machine
>>> > 7 #
>>> > 8 # "spawnd boot bootscc=1-6" will not use the skb and
>>> > 9 # boot the list of cores passed as argument.
>>> > 10 # The hardware id of the cores to boot should be specified.
>>> > 11 # This list may not include the bsp core id.
>>> > 12
>>> > 13 title Barrelfish
>>> > 14 root (nd)
>>> > 15 kernel /scc/sbin/cpu loglevel=4
>>> > 16 module /scc/sbin/cpu
>>> > 17 module /scc/sbin/init
>>> > 18
>>> > 19 # Domains spawned by init
>>> > 20 module /scc/sbin/mem_serv
>>> > 21 module /scc/sbin/monitor
>>> > 22
>>> > 23 module /scc/sbin/chips boot
>>> > 24 module /scc/sbin/ramfsd boot
>>> > 25 module /scc/sbin/spawnd boot bootscc=0-1
>>> > 26 module /scc/sbin/startd boot
>>> > 27
>>> > 28 #module /scc/sbin/examples/xmpl-hello
>>> > 29
>>> > 30 # modules needed to start the networking
>>> > 31 # module /scc/sbin/eMAC core=0 device=2
>>> > 32 # module /scc/sbin/netd core=0 cardname=eMAC2_0
>>> > 33 # module /scc/sbin/eMAC core=1
>>> > 34 # module /scc/sbin/netd core=1 cardname=eMAC2_1
>>> > 35
>>> > 36 # Test for network throughput
>>> > 37 # module /scc/sbin/netthroughput core=1 /nfs
>>> > nfs://*MailScanner warning: numerical links are often malicious:*10.110.4.41/shared<http://10.110.4.41/shared><
>>> *MailScanner warning: numerical links are often malicious:*http://10.110.4.41/shared<http://10.110.4.41/shared>
>>> >
>>> > /nfs/pravin/testfile.txt
>>> > 38
>>> > 39 # For webserver
>>> > 40 # module /scc/sbin/webserver core=1 eMAC2_1 10.110.4.41
>>> > /shared/pravin/sw
>>> > 41
>>> > 42 # RCK memory map
>>> > 43 # Everything up til VGA is private RAM (maybe we want to throw it
>>> > away)
>>> > 44 mmap map 0x0 0xa000 2
>>> > 45 # Everything after VGA is private RAM (we also live in this area)
>>> > 46 mmap map 0xe800 0x26ff1800 1
>>> > 47 # Shared RAM (over all MCs) in the middle of address space
>>> > 48 #mmap map 0x80000000 0x4000000 1
>>> > 49 mmap map 0x80000000 0x40000000 1
>>> > 50 # At the very end we have some platform memory (bootup EEPROM)
>>> > 51 mmap map 0xfffc0000 0x40000 2
>>> >
>>> >
>>> >
>>> > _______________________________________________
>>> > Barrelfish-users mailing list
>>> > Barrelfish-users at lists.inf.ethz.ch
>>> > https://lists.inf.ethz.ch/mailman/listinfo/barrelfish-users
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>>
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