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Posted to commits@nuttx.apache.org by "xiaoxiang781216 (via GitHub)" <gi...@apache.org> on 2023/08/10 18:00:33 UTC

[GitHub] [nuttx] xiaoxiang781216 commented on a diff in pull request #10125: qemu: add devicetree support for arm64

xiaoxiang781216 commented on code in PR #10125:
URL: https://github.com/apache/nuttx/pull/10125#discussion_r1290496095


##########
arch/arm64/src/qemu/qemu_boot.c:
##########
@@ -167,6 +171,10 @@ void arm64_chip_boot(void)
 
   arm64_mmu_init(true);
 
+#ifdef CONFIG_DEVICE_TREE
+  fdt_register((FAR const char *)0x40000000);

Review Comment:
   but from https://www.qemu.org/docs/master/system/arm/virt.html?highlight=device%20tree%20blob, only -kernel with non-ELF file could get the fdt location from r2 or x0.



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