fixed clear .bss code

[bootcensus] / src / startup.s

diff --git a/src/startup.s b/src/startup.s
index bff3991..82f548e 100644 (file)
--- a/src/startup.s
+++ b/src/startup.s
@@ -19,17 +19,25 @@
 
        .extern _bss_start
        .extern _bss_end
+       .extern pcboot_main
 
        # zero the BSS section
        xor %eax, %eax
-       mov _bss_start, %edi
-       mov _bss_size, %ecx
+       mov $_bss_start, %edi
+       mov $_bss_size, %ecx
+       cmp $0, %ecx
        jz skip_bss_zero
        shr $4, %ecx
        rep stosl
 skip_bss_zero:
 
+       call pcboot_main
+       # pcboot_main never returns
+0:     cli
+       hlt
+       jmp 0b
 
+       .global logohack
 logohack:
        # copy palette
        mov $logo_pal, %esi