PERFORCE change 28356 for review

[Peter Wemm]

http://perforce.freebsd.org/chv.cgi?CH=28356

Change 28356 by peter at peter_overcee on 2003/04/06 13:59:50

	argh. I hate this VTOP stuff.
	fix some other silly bogons.  actually set the entry points.

Affected files ...

.. //depot/projects/hammer/sys/boot/i386/libi386/elf64_freebsd.c#5 edit

Differences ...

==== //depot/projects/hammer/sys/boot/i386/libi386/elf64_freebsd.c#5 (text+ko) ====

@@ -65,7 +65,7 @@
 {
     struct file_metadata	*md;
     Elf_Ehdr 			*ehdr;
-    vm_offset_t			entry, bootinfop, modulep;
+    vm_offset_t			bootinfop, modulep;
     int				boothowto, err, bootdev;
     struct bootinfo		*bi;
     vm_offset_t			ssym, esym;
@@ -77,7 +77,6 @@
 
     if ((err = bi_load(fp->f_args, &boothowto, &bootdev, &bootinfop, &modulep)) != 0)
 	return(err);
-    entry = ehdr->e_entry & 0xffffff;
 
     ssym = esym = 0;
     if ((md = file_findmetadata(fp, MODINFOMD_SSYM)) != NULL)
@@ -100,12 +99,12 @@
 	bzero(PT2, PAGE_SIZE);
 
 	/* single PML4 entry */
-	PT4[0] = (p4_entry_t)(uintptr_t)&PT3[0];
+	PT4[0] = (p4_entry_t)VTOP((uintptr_t)&PT3[0]);
 	PT4[0] |= PG_V | PG_RW | PG_U;
 
 	/* four PDP entries, 1G each */
 	for (i = 0; i < 4; i++) {
-		PT3[i] = (p3_entry_t)(uintptr_t)&PT2[i * 512];
+		PT3[i] = (p3_entry_t)VTOP((uintptr_t)&PT2[i * 512]);
 		PT3[i] |= PG_V | PG_RW | PG_U;
 	}
 
@@ -115,12 +114,14 @@
 		PT2[i] |= PG_V | PG_RW | PG_PS | PG_U;
 	}
 
+    entry_lo = ehdr->e_entry & 0xffffffff;
+    entry_hi = (ehdr->e_entry >> 32) & 0xffffffff;
     printf("entry_hi: %#x \n", entry_hi);
     printf("entry_lo: %#x \n", entry_lo);
-    printf("Start @ %#llx ...\n", entry);
+    printf("Start @ %#llx ...\n", ehdr->e_entry);
 
     dev_cleanup();
-    __exec((void *)x86_64_tramp, boothowto, bootdev, 0, 0, 0, bootinfop, modulep, bi->bi_kernend);
+    __exec((void *)VTOP(x86_64_tramp), boothowto, bootdev, 0, 0, 0, bootinfop, modulep, bi->bi_kernend);
 
     panic("exec returned");
 }