Changeset 19b5929 in mainline

Timestamp:

2009-09-14T14:10:56Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

6688cc1

Parents:

bae6169

Message:

Define the hardcoded_* variables in the ia64 linker script.

Location:

kernel/arch/ia64

Files:

• _link.ld.in (modified) (3 diffs)
• src/ivt.S (modified) (1 diff)
• src/start.S (modified) (1 diff)

kernel/arch/ia64/_link.ld.in

@@ -7 +7 @@
  */
 
+#define LOAD_ADDRESS_V  0xe000000004404000
+#define LOAD_ADDRESS_P  0x0000000004404000
+
 ENTRY(kernel_image_start)
 
 SECTIONS {
-        .image 0xe000000004404000: AT (0x0000000004404000) { 
+        .image LOAD_ADDRESS_V: AT (LOAD_ADDRESS_P) {
                 ktext_start = .;
                 *(K_TEXT_START);
@@ -21 +24 @@
                 *(.opd)
                 *(.data .data.*)
+                hardcoded_load_address = .;
+                QUAD(LOAD_ADDRESS_V);
+                hardcoded_ktext_size = .;
+                QUAD(ktext_end - ktext_start);
+                hardcoded_kdata_size = .;
+                QUAD(kdata_end - kdata_start);
                 *(.got .got.*)
                 *(.sdata)
@@ -38 +47 @@
         }
 
-        _hardcoded_ktext_size = ktext_end - ktext_start;
-        _hardcoded_kdata_size = kdata_end - kdata_start;
-        _hardcoded_load_address = 0xe000000004404000;
-
 }

kernel/arch/ia64/src/ivt.S

@@ -391 +391 @@
 
     /* 10. call handler */
-        movl r1 = _hardcoded_load_address
+        movl r1 = kernel_image_start
     
         mov b1 = loc2

kernel/arch/ia64/src/start.S

@@ -186 +186 @@
         movl r20 = (VRN_KERNEL << VRN_SHIFT) ;;
         or r20 = r20, r1 ;;
-        movl r1 = _hardcoded_load_address
+        movl r1 = kernel_image_start
         
         /*
-         * Initialize hardcoded_* variables. Do only BSP
+         * Initialize bootinfo on BSP.
          */
-(p3)    movl r14 = _hardcoded_ktext_size
-(p3)    movl r15 = _hardcoded_kdata_size
-(p3)    movl r16 = _hardcoded_load_address ;;
-(p3)    addl r17 = @gprel(hardcoded_ktext_size), gp
-(p3)    addl r18 = @gprel(hardcoded_kdata_size), gp
-(p3)    addl r19 = @gprel(hardcoded_load_address), gp
-(p3)    addl r21 = @gprel(bootinfo), gp
-                ;;
-(p3)    st8 [r17] = r14
-(p3)    st8 [r18] = r15
-(p3)    st8 [r19] = r16
+(p3)    addl r21 = @gprel(bootinfo), gp ;;
 (p3)    st8 [r21] = r20