fdt: redact clint, plic, and debug hardware

1 files changed, 6 insertions, 0 deletions

diff --git a/bbl/bbl.c b/bbl/bbl.c
index 300182c..44802c1 100644
--- a/bbl/bbl.c
+++ b/bbl/bbl.c
@@ -21,6 +21,12 @@ static void filter_dtb(uintptr_t source)
   uintptr_t dest = dtb_output();
   uint32_t size = fdt_size(source);
   memcpy((void*)dest, (void*)source, size);
+
+  // Remove information from the chained FDT
+  // filter_harts(dest, 0x2);
+  filter_plic(dest);
+  filter_compat(dest, "riscv,clint0");
+  filter_compat(dest, "riscv,debug-013");
 }
 
 void boot_other_hart(uintptr_t dtb)