FDT fixes + driver handling

2026-10-18 21:22:33 +02:00
parent 692d67e3cf
commit 7aaf953a1c
6 changed files with 192 additions and 21 deletions
@@ -1,6 +1,7 @@
 #include <zinnia/alloc.h>
 #include <zinnia/assert.h>
 #include <zinnia/cmdline.h>
+#include <zinnia/fdt.h>
 #include <zinnia/init.h>
 #include <zinnia/print.h>
 #include <zinnia/utils.h>
@@ -94,6 +95,12 @@ void kernel_entry() {
    info.virt_base = (uintptr_t)exec_res->virtual_base;
    info.hhdm_base = (uintptr_t)hhdm_res->offset;

+    const struct limine_dtb_response* dtb_res = dtb_request.response;
+    if (dtb_res && dtb_res->dtb_ptr) {
+        info.dtb = (phys_t)((uintptr_t)dtb_res->dtb_ptr - hhdm_res->offset);
+        info.dtb_size = fdt_read_u32((const uint8_t*)dtb_res->dtb_ptr + 4);
+    }
+
    const struct limine_framebuffer_response* fb_res = framebuffer_request.response;
    if (fb_res) {
        // Only use the first framebuffer.