Changeset 312 for trunk/hal/x86_64/core/hal_boot.S

Timestamp:

Aug 2, 2017, 2:36:58 PM (7 years ago)

Author:

max@…

Message:

Add a --no-smp option.

File:

• trunk/hal/x86_64/core/hal_boot.S (modified) (1 diff)

trunk/hal/x86_64/core/hal_boot.S

@@ -229 +229 @@
 1:
 
+        testl   $MULTIBOOT_INFO_HAS_CMDLINE,MB_MI_FLAGS(%ebx)
+        jz      1f
+        movl    MB_MI_CMDLINE(%ebx),%esi        /* src */
+        movl    $RELOC(mb_cmdline),%edi         /* dst */
+        movl    $PAGE_SIZE,%ecx /* len */
+
+        rep
+        movsb   /* copy esi -> edi */
+1:
+
 /*
  * There are four levels of pages in amd64: PML4 -> PDP -> PD -> PT. They will