[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [XenARM] Moving Guest RAM address to other location than 0x80000000
> -----Original Message----- > From: Julien Grall [mailto:julien.grall@xxxxxxxxxx] > Sent: Wednesday, October 09, 2013 12:20 PM > To: Eric Trudeau > Cc: xen-devel (xen-devel@xxxxxxxxxxxxx) > Subject: Re: [Xen-devel] [XenARM] Moving Guest RAM address to other location > than 0x80000000 > > On 10/09/2013 04:57 PM, Eric Trudeau wrote: > > Hi, > > > Can I move the Guest RAM address to something other than 0x80000000? > > I would like to move the Guest RAM to 0 if possible. > > > > > > > > I get a crash while creating the domain when I just change the following > > in tools/libxc/xc_dom_armzimageloader.c: > > > > #define GUEST_RAM_BASE 0x00000000 /* was 0x80000000 */ > > Did you modify the guest DTS? If not, you need to fix the "reg" property > in memory node. > Yes, I have a memory region of 0 in the DT. The crash is very early. Could there be another code dependency on RAM starting at 0x80000000 (e.g. guest mapping)? BTW: xl destroy dom1 hangs when trying to destroy this guest. ------------------------------------------------------------------------------- dom0 # xl create -c dom1.cfg Parsing config from dom1.cfg (XEN) physdev.c:57: dom1: gic_route_irq_to_guest mapped in IRQ 108 (XEN) memory_map:add: dom1 gfn=0 mfn=0 nr=80000 (XEN) memory_map:add: dom1 gfn=a0000 mfn=a0000 nr=20000 (XEN) memory_map:add: dom1 gfn=f0000 mfn=f0000 nr=1000 device vif1.0 entered promiscuous mode (XEN) Hypervisor Trap. HSR=0x80000006 EC=0x20 IL=0 Syndrome=6 Daemon running with PID 681(XEN) CPU3: Unexpected Trap: Hypervisor (XEN) ----[ Xen-4.4-unstable arm32 debug=y Tainted: C ]---- (XEN) CPU: 3 (XEN) PC: ff7f4014 (XEN) CPSR: 400001d7 MODE:32-bit Guest ABT (XEN) R0: 00000000 R1: 41007a2f R2: 00000067 R3: 00000000 (XEN) R4: 41007a18 R5: 00000000 R6: 00000000 R7: 00000000 (XEN) R8: 00000000 R9: 00000000 R10:00000000 R11:00000000 R12:00000000 (XEN) USR: SP: 00000000 LR: 00000000 (XEN) SVC: SP: 00000058 LR: 40008008 SPSR:00000000 (XEN) ABT: SP: 00000000 LR: 00000014 SPSR:400001f3 (XEN) UND: SP: 00000000 LR: 00000000 SPSR:00000000 (XEN) IRQ: SP: 00000000 LR: 00000000 SPSR:00000000 (XEN) FIQ: SP: 00000000 LR: c2c2c2c2 SPSR:00000000 (XEN) FIQ: R8: 00000000 R9: 00000000 R10:00000000 R11:00000000 R12:00000000 (XEN) (XEN) SCTLR: 00c50078 (XEN) TCR: 00000000 (XEN) TTBR0: 0000000000000000 (XEN) TTBR1: 0000000000000000 (XEN) IFAR: 00000000, IFSR: 00000000 (XEN) DFAR: 00000067, DFSR: 00000001 (XEN) (XEN) VTCR_EL2: 80002558 (XEN) VTTBR_EL2: 000200009fe6e000 (XEN) (XEN) SCTLR_EL2: 30cd187f (XEN) HCR_EL2: 0000000000282835 (XEN) TTBR0_EL2: 0000000096039000 (XEN) (XEN) ESR_EL2: 80000006 (XEN) HPFAR_EL2: 0000000000ff7f40 (XEN) HDFAR: c8800f00 (XEN) HIFAR: ff7f4014 (XEN) (XEN) No stack trace for 32-bit guest kernel-mode xenbr0: port 1(eth0) entered forwarding state dom0 # dom0 # dom0 # xl list Name ID Mem VCPUs State Time(s) Domain-0 0 122 4 r----- 5.0 dom1 1 96 1 r----- 16.9 dom0 # xl destroy dom1 > Cheers, > > -- > Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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