[xen staging] xen/riscv: initialize bootinfo from dtb

[patchbot@xxxxxxx]

commit de709f76472257c87450ecad9c54d097143d691b
Author:     Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
AuthorDate: Tue Oct 15 14:23:19 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Oct 15 14:23:19 2024 +0200

    xen/riscv: initialize bootinfo from dtb
    
    Parse DTB during startup, allowing memory banks and reserved
    memory regions to be set up, along with early device tree node
    (chosen, "xen,domain", "reserved-memory", etc) handling.
    
    Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/riscv/setup.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c
index f531ca38ee..63feea14c7 100644
--- a/xen/arch/riscv/setup.c
+++ b/xen/arch/riscv/setup.c
@@ -50,6 +50,9 @@ void __init noreturn start_xen(unsigned long bootcpu_id,
                           _end - _start, false) )
         panic("Failed to add BOOTMOD_XEN\n");
 
+    if ( !boot_fdt_info(device_tree_flattened, dtb_addr) )
+        BUG();
+
     printk("All set up\n");
 
     machine_halt();
--
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