Changeset b6b576c in mainline for arch/ia32/src/boot/boot.S

Timestamp:

2006-03-16T11:34:51Z (19 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

d764ddc

Parents:

8dfef11

Message:

support for more init tasks
(might break some archs yet)

File:

• arch/ia32/src/boot/boot.S (modified) (1 diff)

arch/ia32/src/boot/boot.S

@@ -100 +100 @@
                 movl %ecx, e801memorysize
                 
-                bt $3, %eax                                                             # mbi->flags[3] (mods_count, mods_addr valid)   
+                bt $3, %eax                                                             # mbi->flags[3] (mods_count, mods_addr valid)
                 jc mods_valid
                         
                         xorl %ecx, %ecx
-                        xorl %edx, %edx
-                        jmp mods_invalid
+                        movl %ecx, init
+                        jmp mods_end
                 
                 mods_valid:
+                
                 movl 20(%ebx), %ecx                                             # mbi->mods_count
+                movl %ecx, init
+                
                 cmpl $0, %ecx
-                je mods_invalid
+                je mods_end
                 
                 movl 24(%ebx), %esi                                             # mbi->mods_addr
-                movl 0(%esi), %edx                                              # mods->mod_start
-                movl 4(%esi), %ecx                                              # mods->mod_end
-                subl %edx, %ecx
-                addl $0x80000000, %edx
-                
-                mods_invalid:
-                movl %ecx, init_size
-                movl %edx, init_addr
+                movl $init, %edi
+                
+                mods_loop:
+                
+                        movl 0(%esi), %edx                                      # mods->mod_start
+                        addl $0x80000000, %edx
+                        movl %edx, 4(%edi)
+                        
+                        movl 4(%esi), %edx
+                        subl 0(%esi), %edx                                      # mods->mod_end - mods->mod_start
+                        movl %edx, 8(%edi)
+                        
+                        addl $16, %esi
+                        addl $8 , %edi
+                        
+                        loop mods_loop
+                        
+                mods_end:
                 
                 bt $6, %eax                                                             # mbi->flags[6] (mmap_length, mmap_addr valid)