[platform][m68k-virt] parse the BOOTINFO structure qemu uses to pass info

Pull out the memory size of the system and use it to initialize the novm.
2022-02-11 00:37:51 -08:00
parent 8ed7d0fc70
commit cc21c06eb6
4 changed files with 53 additions and 74 deletions
--- a/arch/m68k/start.S
+++ b/arch/m68k/start.S
@@ -11,15 +11,16 @@
 FUNCTION(_start)
    // clear bss
    lea     __bss_start,%a0
-    cmpal   #_end,%a0
+    cmpal   #__bss_end,%a0
    beqs    1f
 0:
    clrb    %a0@+
-    cmpal   #_end,%a0
+    cmpal   #__bss_end,%a0
    bnes    0b
 1:

    movel   #_default_stack_top,%sp
+
    jsr     lk_main
    jmp     .