Even when i set all RAM regions to non rootshared, the problem continues
(send in attachment the newly adjusted config file). Is the linux image
that i am using too big (1,2GB)? I've generated the image using the steps
described on setup-on-zynqmp-zcu102.md (Testing Jailhouse Linux).
quinta-feira, 25 de Julho de 2019 às 11:00:36 UTC+1, Jan Kiszka escreveu:
>
> On 25.07.19 11:32, João Reis wrote:
> > Hello,
> >
> > I'm trying to apply cache coloring to Linux and Erika. As root cell
> Linux cannot
> > be colored, i intend to use colored Linux in a non-root cell and colored
> Erika
> > in another non-root cell (the system stays as: Linux in root cell, Linux
> and
> > Erika in non-root cells).
> >
> > The problem that is occuring to me is when i issue the command:
> jailhouse cell
> > linux ultra96-linux-demo.cell Image -i rootfs.cpio -c "console=ttyS0,
> 115200"
> >
> > The error is the following:
> >
> > root@xilinx-ultra96-reva-2018_2:~# jailhouse cell linux
> ultra96-linux-demo.cell
> > Image -d inmate-zynqmp-zcu102-2.dtb -i rootfs.cpio -c "console=ttyS0,
> 115200"
> > [ 127.150370] python invoked oom-killer:
> > gfp_mask=0x16080c0(GFP_KERNEL|__GFP_ZERO|__GFP_NOTRACK),
> nodemask=(null),
> > order=0, oom_score_adj=0
>
> Looks like your inmate configuration grants too little memory for the
> Linux
> guest. Note that the in-tree configs may only be happily used with very
> small
> Linux images, just as the buildroot we generate via jailhouse-images.
>
> Looking at your config...
>
> /* RAM */ {
> .phys_start = 0x74000000,
> .virt_start = 0x74000000,
> .size = 0x7ef0000,
> .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
> JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_DMA |
> JAILHOUSE_MEM_LOADABLE,
> },
>
> This one is fine and will be available to the guest.
>
> /* RAM */{
> .phys_start = 0x3fd00000,
> .virt_start = 0x3fd00000,
> .size = 0x202f0000, //must be page size aligned
> .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
> JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_LOADABLE |
> JAILHOUSE_MEM_ROOTSHARED, //se tirar
> JAILHOUSE_MEM_ROOTSHARED da exception
> fault 0x20
> },
>
> This one isn't because it shares RAM with the root cell that is probably
> not
> intended to be shared. But it will also not be presented as RAM to the
> non-root
> cell (via the devices tree) because of the ROOTSHARED tag.
>
> Jan
>
> --
> Siemens AG, Corporate Technology, CT RDA IOT SES-DE
> Corporate Competence Center Embedded Linux
>
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/*
* Jailhouse, a Linux-based partitioning hypervisor
*
* Configuration for linux-demo inmate on Avnet Ultra96 board:
* 2 CPUs, 128M RAM, serial port 2
*
* Copyright (c) Siemens AG, 2014-2019
*
* Authors:
* Jan Kiszka <[email protected]>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*/
#include <jailhouse/types.h>
#include <jailhouse/cell-config.h>
struct {
struct jailhouse_cell_desc cell;
__u64 cpus[1];
struct jailhouse_memory mem_regions[7];
struct jailhouse_irqchip irqchips[1];
struct jailhouse_pci_device pci_devices[1];
} __attribute__((packed)) config = {
.cell = {
.signature = JAILHOUSE_CELL_DESC_SIGNATURE,
.revision = JAILHOUSE_CONFIG_REVISION,
.name = "non-root",
.flags = JAILHOUSE_CELL_PASSIVE_COMMREG,/* |
JAILHOUSE_CELL_VIRTUAL_CONSOLE_ACTIVE,*/
.cpu_set_size = sizeof(config.cpus),
.num_memory_regions = ARRAY_SIZE(config.mem_regions),
.num_irqchips = ARRAY_SIZE(config.irqchips),
.num_pci_devices = ARRAY_SIZE(config.pci_devices),
.vpci_irq_base = 140-32,
.console = {
.address = 0xff010000, /*UART1*/
//.address = 0xff000000, /*UART0*/ //se eu meter uart0 da erro unhandled trap
.type= JAILHOUSE_CON_TYPE_XUARTPS,
.flags = JAILHOUSE_CON_ACCESS_MMIO |
JAILHOUSE_CON_REGDIST_4,
},
},
.cpus = {
0xe, //1110
//0x8, //1000 - fica com cpu3
//0xc, //1100
},
.mem_regions = {
/* UART */ {
.phys_start = 0xff010000,
.virt_start = 0xff010000,
/*.phys_start = 0xff000000,
.virt_start = 0xff000000,*/
.size = 0x1000,
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
JAILHOUSE_MEM_IO | JAILHOUSE_MEM_ROOTSHARED,
},
/* RAM */ {
.phys_start = 0x7bef0000,
.virt_start = 0,
.size = 0x10000,
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_LOADABLE,
},
/* RAM */ {
.phys_start = 0x74000000,
.virt_start = 0x74000000,
.size = 0x7ef0000,
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_DMA |
JAILHOUSE_MEM_LOADABLE,
},
/* IVSHMEM shared memory region */ {
.phys_start = 0x7bf00000,
.virt_start = 0x7bf00000,
.size = 0x100000,
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
JAILHOUSE_MEM_ROOTSHARED,
},
/* communication region */ {
.virt_start = 0x80000000,
.size = 0x00001000,
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
JAILHOUSE_MEM_COMM_REGION,
},
/* RAM */{
.phys_start = 0x3fd00000,
.virt_start = 0x3fd00000,
.size = 0x202f0000, //must be page size aligned
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_LOADABLE,/* |
JAILHOUSE_MEM_ROOTSHARED, *///se tirar JAILHOUSE_MEM_ROOTSHARED da exception fault 0x20
},
{
.phys_start = 0,
.virt_start = 0x10000,
.size = 0x3ed00000,
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE|
JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_LOADABLE,/* |
JAILHOUSE_MEM_ROOTSHARED,*/
},
},
.irqchips = {
/* GIC */ {
.address = 0xf9010000, /* GICD base address - Display controller */
.pin_base = 32, /* The first irqchip starts at .pin_base=32 as the first 32 interrupts are
reserved for SGIs and PPIs. */
.pin_bitmap = {
//1 << (54 - 32),
1 << (53 - 32), // cat /proc/interrupts interrupt da UART0 AQUI ESTA A DIFERENÇA
0,
0,
(1 << (140 - 128)) | (1 << (142 - 128)) //PL to PS interrupt signals 8 to 15.
},
},
},
.pci_devices = {
/* 00:00.0 */ {
.type = JAILHOUSE_PCI_TYPE_IVSHMEM,
.bdf = 0 << 3, // 00:00.0
.iommu = 1,//
.bar_mask = {
0xffffff00, 0xffffffff, 0x00000000,
0x00000000, 0x00000000, 0x00000000,
},
.shmem_region = 3,
//.shmem_protocol = JAILHOUSE_SHMEM_PROTO_VETH,
//.shmem_protocol = JAILHOUSE_SHMEM_PROTO_CUSTOM,
.shmem_protocol = JAILHOUSE_SHMEM_PROTO_UNDEFINED,
//.num_msix_vectors = 1,
},
},
};
