1 files changed, 10 insertions, 23 deletions

diff --git a/src/boot/entry.S b/src/boot/entry.S
index 0ca3b29..c0753c4 100644
--- a/src/boot/entry.S
+++ b/src/boot/entry.S
@@ -1,40 +1,27 @@
+# src/boot/entry.S
 .section .text.entry
 .global _start
 
 _start:
-    csrr t0, mhartid
-    bnez t0, .L_park
-
-    li t0, 0x1fffffffffffff
-    csrw pmpaddr0, t0
-    li t0, 0xf
-    csrw pmpcfg0, t0
-
-    li t0, 0
-    li t1, (1 << 11) | (1 << 7)
-    csrw mstatus, t1
-
-    csrw satp, zero
-
-    li t0, 0xffff
-    csrw medeleg, t0
-    csrw mideleg, t0
-    
-    la t0, kernel_main
-    csrw mepc, t0
+    la t0, g_dtb_addr
+    sd a1, 0(t0)
 
     la sp, stack_top
 
-    mret
+    call kernel_main
 
 .L_park:
     wfi
     j .L_park
 
-
 .section .bss
 .align 4
 .global stack_top
 stack_base:
     .space 4096 * 4
-stack_top:
\ No newline at end of file
+stack_top:
+
+.align 8
+.global g_dtb_addr
+g_dtb_addr:
+    .space 8
\ No newline at end of file