On 29.07.19 21:51, João Reis wrote:
> Yeah, i forgot to set the flag and the .dtb file i was using wasn't the right
> one (now i am using inmate-zynqmp.dts). But even when i set the flag, it still
> gives me the same error.
> Send here the output of /proc/iomem:
>
> 00000000-3ecfffff : System RAM
> 00080000-00deffff : Kernel code
> 00e70000-01134fff : Kernel data
> 3ed00000-3ed3ffff : 3ed00000.ddr
> 3fd00000-5fffffff : System RAM
> 7c000000-7c3fffff : Jailhouse hypervisor
> fc000000-fc0fffff : PCI ECAM
> fc100000-fc101fff : //pci@0
> fc100000-fc1000ff : 0000:00:00.0
>
> And the config as it is now in attachment.
If you look at tools/jailhouse-cell-linux, you can see the conditions
for considering a region as loadable RAM:
class ARMCommon:
def setup(self, args, config):
[...]
for region in config.memory_regions:
# Filter out non-RAM regions and small ones at the start of the
# cell address space that is used for the loader.
if region.is_ram() and \
(region.virt_start > 0 or region.size > 0x10000):
class MemoryRegion:
[...]
def is_ram(self):
return ((self.flags & (MemoryRegion.JAILHOUSE_MEM_READ |
MemoryRegion.JAILHOUSE_MEM_WRITE |
MemoryRegion.JAILHOUSE_MEM_EXECUTE |
MemoryRegion.JAILHOUSE_MEM_DMA |
MemoryRegion.JAILHOUSE_MEM_IO |
MemoryRegion.JAILHOUSE_MEM_COMM_REGION |
MemoryRegion.JAILHOUSE_MEM_ROOTSHARED)) ==
(MemoryRegion.JAILHOUSE_MEM_READ |
MemoryRegion.JAILHOUSE_MEM_WRITE |
MemoryRegion.JAILHOUSE_MEM_EXECUTE |
MemoryRegion.JAILHOUSE_MEM_DMA))
Means, you are missing "MEM_DMA".
Jan
--
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux
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