[Xen-devel] XEN on R-CAR H3

[Amit Tomer <amittomer25@xxxxxxxxx>]

HI,

Trying to boot XEN on R-CAR H3 starter Kit board.

Linux image based on 5.0.0-rc5 and XEN image is 4.12

tftp 0x48000000 xen;tftp 0x7a000000 Image; tftp 4a000000 r8a7795-h3ulcb.dtb
setenv xen_addr_r 0x48000000
setenv fdt_addr_r 4a000000
setenv kernel_addr_r 0x7a000000
fdt addr $fdt_addr_r
fdt resize
fdt set /chosen xen,xen-bootargs "console=dtuart dom0_mem=384M"
fdt set /chosen \#address-cells <1>
fdt set /chosen \#size-cells <1>
fdt mknod /chosen module@0
fdt resize
fdt set /chosen/module@0 compatible "xen,linux-zimage" "xen,multiboot-module"
fdt set /chosen/module@0 reg <$kernel_addr_r 0x1800000>
setenv bootargs "console=hvc0 ro root=/dev/mmcblk0p2 clk_ignore_unused
rootwait earlycon=xenboot"

But when It boot it, I see following crash:


booti 0x48000000 - 0x4a000000
## Flattened Device Tree blob at 4a000000
 Booting using the fdt blob at 0x4a000000
reserving fdt memory region: addr=4a000000 size=10000
Using Device Tree in place at 000000004a000000, end
000000004a012fff

 Starting kernel ...
 UART enabled -
- CPU 00000000 booting -
- Current EL 00000008 -
- Xen starting at EL2 -
- Zero BSS -
- Setting up control registers -
- Turning on paging -
- Ready -
(XEN) Checking for initrd in /chosen
(XEN) RAM: 0000000048000000 - 000000007fffffff
(XEN) RAM: 0000000500000000 - 000000053fffffff
(XEN) RAM: 0000000600000000 - 000000063fffffff
(XEN) RAM: 0000000700000000 - 000000073fffffff
(XEN) RAM: 0000000500000000 - 000000053fffffff
(XEN) RAM: 0000000600000000 - 000000063fffffff
(XEN) RAM: 0000000700000000 - 000000073fffffff
(XEN)
(XEN) MODULE[0]: 000000004a000000 - 000000004a010000 Device Tree
(XEN) MODULE[1]: 000000007a000000 - 000000007b800000 Kernel
(XEN)  RESVD[0]: 000000004a000000 - 000000004a010000
(XEN)
(XEN)
(XEN) Command line: console=dtuart dtuart=serial0 dom0_mem=384M
(XEN) PFN compression on bits 19...19
(XEN) Xen BUG at page_alloc.c:274
(XEN) ----[ Xen-4.12.0-rc  arm64  debug=y   Not tainted ]----
(XEN) CPU:    0
(XEN) PC:     000000000028b30c page_alloc.c#bootmem_region_add+0x184/0x194
(XEN) LR:     000000000028b36c
(XEN) SP:     00000000002d7d00
(XEN) CPSR:   800003c9 MODE:64-bit EL2h (Hypervisor, handler)
(XEN)      X0: 0000000000500000  X1: 0000000000000003  X2: 0000000000000006
(XEN)      X3: 0000000000540000  X4: 0000800008121000  X5: 0000000000000028
(XEN)      X6: 0000000000600000  X7: 0000000000000004  X8: 0000000000000001
(XEN)      X9: 000000000000000a X10: 00000000002d7afa X11: 0000000000000031
(XEN)     X12: 0000000000000002 X13: 000000000026e5e8 X14: 0000000000000020
(XEN)     X15: 0000000000400000 X16: 0000000000000000 X17: 0000000000000000
(XEN)     X18: 000000007d726e08 X19: 0000000000500000 X20: 0000000000540000
(XEN)     X21: 0000000540000000 X22: 0000000500000000 X23: 0000000540000000
(XEN)     X24: 000000000028b31c X25: 00000000002b8400 X26: 0000000048000000
(XEN)     X27: 0000000740000000 X28: 0000000000000004  FP: 00000000002d7d00
(XEN)
(XEN)   VTCR_EL2: 80000000
(XEN)  VTTBR_EL2: 0000000000000000
(XEN)
(XEN)  SCTLR_EL2: 30cd183d
(XEN)    HCR_EL2: 0000000000000038
(XEN)  TTBR0_EL2: 0000000048114000
(XEN)
(XEN)    ESR_EL2: f2000001
(XEN)  HPFAR_EL2: 0000000000000000
(XEN)    FAR_EL2: 0000000000000000
(XEN)
(XEN) Xen stack trace from sp=00000000002d7d00:
(XEN)    00000000002d7d40 000000000028b36c 0000000000000001 0000000500000000
(XEN)    0000000540000000 0000000500000000 0000000540000000 00000000002d7d90
(XEN)    00000000002d7d90 000000000029c8f8 0000000000000001 0000000500000000
(XEN)    0000000540000000 0000000500000000 0000000540000000 0000000000000001
(XEN)    00000000002e0000 0000000500000000 00000000002d7de0 000000000029dac0
(XEN)    0000000540000000 0000000500000000 0000000540000000 00000000002b83c0
(XEN)    ffffffffffffffff 00000000002b83d8 000000004a000000 000000004a010000
(XEN)    000000007d726a90 0000000000200608 0000000048000000 0000000047e00000
(XEN)    000000004a000000 0000000000000000 0000000000400000 0000000000000000
(XEN)    0000000000000001 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000010000 000000004a000000 0000000138000000
(XEN)    00000000002b83c0 000000000028b31c 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000300000000 ffffffff00000000 0000040000000040
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) Xen call trace:
(XEN)    [<000000000028b30c>] page_alloc.c#bootmem_region_add+0x184/0x194 (PC)
(XEN)    [<000000000028b36c>] init_boot_pages+0x50/0x17c (LR)
(XEN)    [<000000000028b36c>] init_boot_pages+0x50/0x17c
(XEN)    [<000000000029c8f8>] dt_unreserved_regions+0xc8/0xdc
(XEN)    [<000000000029dac0>] start_xen+0xbe8/0xc58
(XEN)    [<0000000000200608>] arm64/head.o#paging+0x60/0x98
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) Xen BUG at page_alloc.c:274
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...

Is there something obvious , I am missing ?

Thanks,
-Amit

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