Yes, that solved the problem, but it still keeps me giving errors on root
side:
Created cell "non-root"
Page pool usage after cell creation: mem 75/995, remap 5/131072
[ 45.383078] Created Jailhouse cell "non-root"
Cell "non-root" can be loaded
Unhandled data write at 0x90280000(1)
FATAL: unhandled trap (exception class 0x24)
Cell state before exception:
pc: ffffff8008a168b0 lr: ffffff8000ae0b48 spsr: 20000145 EL1
sp: ffffff800d5abd30 esr: 24 1 0000045
x0: ffffff8010000000 x1: 0000007f85ab0050 x2: 00000000055c3980
x3: 0000000000000000 x4: 0000000000000000 x5: ffffff80155c3a00
x6: ffffff8010000000 x7: 1424ffff91005a4d x8: 0000000000080000
x9: 00000000057c8000 x10: 000000000000000a x11: 0000000000000000
x12: 0000000000000000 x13: 0000000000000000 x14: 00000040644d5241
x15: 0000007f90dbbc10 x16: ffffff80081aee70 x17: 0000007f90d65e90
x18: 0000000000000000 x19: 0000000000000000 x20: 0000007fe60fd228
x21: 00000000055c3a00 x22: ffffffc043525c80 x23: 0000000000000001
x24: 0000000000000000 x25: ffffff800d5abda0 x26: ffffff8010000000
x27: ffffff8010000000 x28: ffffff80098fd028 x29: ffffff800d5abd30
Parking CPU 0 (Cell: "root")
terça-feira, 30 de Julho de 2019 às 18:00:59 UTC+1, Jan Kiszka escreveu:
>
> On 30.07.19 17:54, João Reis wrote:
> > Ok, so i realized i was declaring, on non root cell, a memory region
> that
> > belonged to non-reserved memory from root cell(3fd00000-5fffffff :
> System RAM).
> > I've changed the memory region to reserved memory (address 0x90000000),
> because
> > on u-boot the memory reservation argument is mem=1536M, which equals to
> top
> > address 0x5fffffff.
> >
> > /* RAM */ {
> > .phys_start = 0x90000000,
> > .virt_start = 0x90000000,
> > .size = 0x20000000,
> > .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
> > JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_LOADABLE |
> > JAILHOUSE_MEM_DMA,
> > },
>
> Do you also still have a small region at guest virtual address 0, to put
> the
> loader there?
>
> >
> > After issuing "jailhouse cell linux ultra96-linux-demo2.cell Image -d
> > inmate-zynqmp.dtb -i rootfs.cpio -c "console=ttyS0, 115200" -k 4"
> >
> > The following error appears:
> >
> > [ 82.987144] Created Jailhouse cell "non-root"
> > Cell "non-root" can be loaded
> >
> > Traceback (most recent call last):
> > File "/usr/local/libexec/jailhouse/jailhouse-cell-linux", line 826, in
> <module>
> > cell.load(open(linux_loader, mode='rb').read(),
> arch.loader_address())
> > File "/usr/local/lib/python2.7/dist-packages/pyjailhouse/cell.py",
> line 44, in
> > load
> > fcntl.ioctl(self.dev, self.JAILHOUSE_CELL_LOAD, load)
> > IOError: [Errno 22] Invalid argument
>
> Does the hypervisor report that "Cell "XXX" can be loaded"? Then the error
> is
> reported by the driver module, load_image(). And I would bet on a missing
> region
> at address 0.
>
> 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[6];
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 = 0x90000000,
.virt_start = 0x90000000,
.size = 0x20000000, //must be page size aligned
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
JAILHOUSE_MEM_EXECUTE | JAILHOUSE_MEM_LOADABLE |
JAILHOUSE_MEM_DMA,/* |
JAILHOUSE_MEM_ROOTSHARED,*/ //se tirar JAILHOUSE_MEM_ROOTSHARED da exception fault 0x20
},
/* RAM for loader*/ {
.phys_start = 0x7bef0000,
.virt_start = 0, //needs to start at 0 for loader
.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,
},
},
.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 = 4,
//.shmem_protocol = JAILHOUSE_SHMEM_PROTO_VETH,
//.shmem_protocol = JAILHOUSE_SHMEM_PROTO_CUSTOM,
.shmem_protocol = JAILHOUSE_SHMEM_PROTO_UNDEFINED,
//.num_msix_vectors = 1,
},
},
};
/*
* Jailhouse, a Linux-based partitioning hypervisor
*
* Configuration for Avnet Ultra96 board
*
* Copyright (c) Siemens AG, 2016-2019
*
* 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_system header;
__u64 cpus[1];
struct jailhouse_memory mem_regions[3];
struct jailhouse_irqchip irqchips[1];
struct jailhouse_pci_device pci_devices[1];
} __attribute__((packed)) config = {
.header = {
.signature = JAILHOUSE_SYSTEM_SIGNATURE,
.revision = JAILHOUSE_CONFIG_REVISION,
.flags = JAILHOUSE_SYS_VIRTUAL_DEBUG_CONSOLE,
.hypervisor_memory = {
.phys_start = 0x7c000000,
.size = 0x00400000,
},
.debug_console = {
.address = 0xff010000,
.size = 0x1000,
.type = JAILHOUSE_CON_TYPE_XUARTPS,
.flags = JAILHOUSE_CON_ACCESS_MMIO |
JAILHOUSE_CON_REGDIST_4,
},
.platform_info = {
.pci_mmconfig_base = 0xfc000000,
.pci_mmconfig_end_bus = 0,
.pci_is_virtual = 1,
.arm = {
.gic_version = 2,
.gicd_base = 0xf9010000,
.gicc_base = 0xf902f000,
.gich_base = 0xf9040000,
.gicv_base = 0xf906f000,
.maintenance_irq = 25,
},
},
.root_cell = {
.name = "root",
.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 = 136-32,
},
},
.cpus = {
0xf,
},
.mem_regions = {
/* MMIO (permissive) */ {
.phys_start = 0xfd000000,
.virt_start = 0xfd000000,
.size = 0x03000000,
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
JAILHOUSE_MEM_IO,
},
/* RAM */ {
.phys_start = 0x0,
.virt_start = 0x0,
.size = 0x7c000000,
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
JAILHOUSE_MEM_EXECUTE,
},
/* IVSHMEM shared memory region for 00:00.0 */ {
.phys_start = 0x7bf00000,
.virt_start = 0x7bf00000,
.size = 0x100000,
.flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE,
},
},
.irqchips = {
/* GIC */ {
.address = 0xf9010000,
.pin_base = 32,
.pin_bitmap = {
0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
},
},
},
.pci_devices = {
/* 0001:00:00.0 */ {
.type = JAILHOUSE_PCI_TYPE_IVSHMEM,
.iommu = 1,//
//.domain = 1,
.bdf = 0 << 3,
.bar_mask = {
0xffffff00, 0xffffffff, 0x00000000,
0x00000000, 0x00000000, 0x00000000,
},
.shmem_region = 2,
//.shmem_protocol = JAILHOUSE_SHMEM_PROTO_VETH,
//.shmem_protocol = JAILHOUSE_SHMEM_PROTO_CUSTOM,
.shmem_protocol = JAILHOUSE_SHMEM_PROTO_UNDEFINED,
//.num_msix_vectors = 1,//se colocar isto, qd faço insmod uio_ivshmem.ko ele n diz "using jailhouse mode" e dps n existe /dev/uio1
},
},
};
