Changeset e12ccc5 in mainline for kernel/arch/xen32/src/boot/boot.S

Timestamp:

2006-08-01T17:27:11Z (18 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

0fbfa0d

Parents:

e386cbf

Message:

xen32: use writable page tables, cleanup mm

File:

• kernel/arch/xen32/src/boot/boot.S (modified) (3 diffs)

kernel/arch/xen32/src/boot/boot.S

@@ -33 +33 @@
 
 .section __xen_guest
-        .ascii  "GUEST_OS=HelenOS,"
-        .ascii  "XEN_VER=xen-3.0,"
-        .ascii  "HYPERCALL_PAGE=0x0000,"
-        .ascii  "LOADER=generic"
+        .ascii "GUEST_OS=HelenOS,"
+        .ascii "XEN_VER=xen-3.0,"
+        .ascii "HYPERCALL_PAGE=0x0000,"
+        .ascii "LOADER=generic,"
+        .ascii "FEATURES=writable_page_tables"
         .byte   0
 
@@ -52 +53 @@
         cld
         rep movsb
-
+        
+        # switch to temporal kernel stack
+        
+        movl $kernel_stack, %esp
+        
+        call arch_pre_main
         call main_bsp                                                           # never returns
 
         cli
         hlt
+
+kernel_stack_bottom:
+        .space TEMP_STACK_SIZE
+kernel_stack:
 
 .section K_TEXT_START, "aw", @progbits
@@ -63 +73 @@
 hypercall_page:
         .space PAGE_SIZE
+
+.global shared_info
+.org 0x1000
+shared_info:
+        .space PAGE_SIZE