Re: [PATCH v3 1/1] hw/arm/boot: set initrd with #address-cells type in fdt

[Peter Maydell]

On Tue, 29 Nov 2022 at 16:07, Schspa Shi <schspa@gmail.com> wrote:
>
> We use 32bit value for linux,initrd-[start/end], when we have
> loader_start > 4GB, there will be a wrong initrd_start passed
> to the kernel, and the kernel will report the following warning.
>
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] initrd not fully accessible via the linear mapping -- please 
> check your bootloader ...
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/mm/init.c:355 
> arm64_memblock_init+0x158/0x244
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G        W          
> 6.1.0-rc3-13250-g30a0b95b1335-dirty #28
> [    0.000000] Hardware name: Horizon Sigi Virtual development board (DT)
> [    0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [    0.000000] pc : arm64_memblock_init+0x158/0x244
> [    0.000000] lr : arm64_memblock_init+0x158/0x244
> [    0.000000] sp : ffff800009273df0
> [    0.000000] x29: ffff800009273df0 x28: 0000001000cc0010 x27: 
> 0000800000000000
> [    0.000000] x26: 000000000050a3e2 x25: ffff800008b46000 x24: 
> ffff800008b46000
> [    0.000000] x23: ffff800008a53000 x22: ffff800009420000 x21: 
> ffff800008a53000
> [    0.000000] x20: 0000000004000000 x19: 0000000004000000 x18: 
> 00000000ffff1020
> [    0.000000] x17: 6568632065736165 x16: 6c70202d2d20676e x15: 
> 697070616d207261
> [    0.000000] x14: 656e696c20656874 x13: 0a2e2e2e20726564 x12: 
> 0000000000000000
> [    0.000000] x11: 0000000000000000 x10: 00000000ffffffff x9 : 
> 0000000000000000
> [    0.000000] x8 : 0000000000000000 x7 : 796c6c756620746f x6 : 
> 6e20647274696e69
> [    0.000000] x5 : ffff8000093c7c47 x4 : ffff800008a2102f x3 : 
> ffff800009273a88
> [    0.000000] x2 : 80000000fffff038 x1 : 00000000000000c0 x0 : 
> 0000000000000056
> [    0.000000] Call trace:
> [    0.000000]  arm64_memblock_init+0x158/0x244
> [    0.000000]  setup_arch+0x164/0x1cc
> [    0.000000]  start_kernel+0x94/0x4ac
> [    0.000000]  __primary_switched+0xb4/0xbc
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] Zone ranges:
> [    0.000000]   DMA      [mem 0x0000001000000000-0x0000001007ffffff]
>
> To fix it, we can change it to #[address/size]-cells type.
>
> Signed-off-by: Schspa Shi <schspa@gmail.com>

Thanks for the respin; I've applied this version to my
target-arm-for-8.0 branch.

-- PMM