fix r8111: Map acpi_apic_base page before access.

git-svn-id: svn://kolibrios.org@8119 a494cfbc-eb01-0410-851d-a64ba20cac60
2020-10-27 19:32:57 +00:00
parent ddd545e037
commit 1919b8efdc
2 changed files with 10 additions and 1 deletions
--- a/kernel/trunk/kernel.asm
+++ b/kernel/trunk/kernel.asm
@@ -646,9 +646,13 @@ endg
        mov     edi, OS_BASE + 8000h
        mov     ecx, (ap_init16_size + 3) / 4
        rep movsd
+        mov     eax, [LAPIC_BASE]
+        test    eax, eax
+        jnz     @f
        stdcall map_io_mem, [acpi_lapic_base], 0x1000, PG_GLOBAL+PG_NOCACHE+PG_SWR
        mov     [LAPIC_BASE], eax
-        lea     edi, [eax+300h]
+@@:
+        lea     edi, [eax+APIC_ICRL]
        mov     esi, smpt+4
        dec     ebx
 .wake_cpus_loop: