Merge branch 'reloc'

21 files changed, 59 insertions, 33 deletions

diff --git a/cpu/74xx_7xx/start.S b/cpu/74xx_7xx/start.S
index 792cd30..23381a3 100644
--- a/cpu/74xx_7xx/start.S
+++ b/cpu/74xx_7xx/start.S
@@ -716,15 +716,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/mpc512x/start.S b/cpu/mpc512x/start.S
index 2e3f645..4edc8e9 100644
--- a/cpu/mpc512x/start.S
+++ b/cpu/mpc512x/start.S
@@ -611,15 +611,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/mpc512x/u-boot.lds b/cpu/mpc512x/u-boot.lds
index dae3269..2e260eb 100644
--- a/cpu/mpc512x/u-boot.lds
+++ b/cpu/mpc512x/u-boot.lds
@@ -51,7 +51,6 @@ SECTIONS
   {
     cpu/mpc512x/start.o	(.text)
     *(.text)
-    *(.fixup)
     *(.got1)
     . = ALIGN(16);
     *(.eh_frame)
diff --git a/cpu/mpc5xx/start.S b/cpu/mpc5xx/start.S
index 106935c..85ea7a8 100644
--- a/cpu/mpc5xx/start.S
+++ b/cpu/mpc5xx/start.S
@@ -458,15 +458,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/mpc5xx/u-boot.lds b/cpu/mpc5xx/u-boot.lds
index cb17ca5..deeb06a 100644
--- a/cpu/mpc5xx/u-boot.lds
+++ b/cpu/mpc5xx/u-boot.lds
@@ -58,7 +58,6 @@ SECTIONS
     cpu/mpc5xx/start.o	(.text)
 
     *(.text)
-    *(.fixup)
     *(.got1)
   }
   _etext = .;
diff --git a/cpu/mpc5xxx/start.S b/cpu/mpc5xxx/start.S
index 6b1162a..eb42939 100644
--- a/cpu/mpc5xxx/start.S
+++ b/cpu/mpc5xxx/start.S
@@ -684,15 +684,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/mpc5xxx/u-boot-customlayout.lds b/cpu/mpc5xxx/u-boot-customlayout.lds
index 9563690..c340086 100644
--- a/cpu/mpc5xxx/u-boot-customlayout.lds
+++ b/cpu/mpc5xxx/u-boot-customlayout.lds
@@ -65,7 +65,6 @@ SECTIONS
     common/env_embedded.o        (.ppcenv)
 
     *(.text)
-    *(.fixup)
     *(.got1)
     . = ALIGN(16);
     *(.eh_frame)
diff --git a/cpu/mpc5xxx/u-boot.lds b/cpu/mpc5xxx/u-boot.lds
index a6d4ff3..7fe1e95 100644
--- a/cpu/mpc5xxx/u-boot.lds
+++ b/cpu/mpc5xxx/u-boot.lds
@@ -54,7 +54,6 @@ SECTIONS
   {
     cpu/mpc5xxx/start.o	(.text)
     *(.text)
-    *(.fixup)
     *(.got1)
     . = ALIGN(16);
     *(.eh_frame)
diff --git a/cpu/mpc8220/start.S b/cpu/mpc8220/start.S
index 3abc619..af9472d 100644
--- a/cpu/mpc8220/start.S
+++ b/cpu/mpc8220/start.S
@@ -649,15 +649,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/mpc8220/u-boot.lds b/cpu/mpc8220/u-boot.lds
index 436423c..4400e60 100644
--- a/cpu/mpc8220/u-boot.lds
+++ b/cpu/mpc8220/u-boot.lds
@@ -54,7 +54,6 @@ SECTIONS
   {
     cpu/mpc8220/start.o	(.text)
     *(.text)
-    *(.fixup)
     *(.got1)
     . = ALIGN(16);
     *(.eh_frame)
diff --git a/cpu/mpc824x/start.S b/cpu/mpc824x/start.S
index 39325cd..750457b 100644
--- a/cpu/mpc824x/start.S
+++ b/cpu/mpc824x/start.S
@@ -589,15 +589,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/mpc824x/u-boot.lds b/cpu/mpc824x/u-boot.lds
index 46f7087..0eac48f 100644
--- a/cpu/mpc824x/u-boot.lds
+++ b/cpu/mpc824x/u-boot.lds
@@ -54,7 +54,6 @@ SECTIONS
   {
     cpu/mpc824x/start.o		(.text)
     *(.text)
-    *(.fixup)
     *(.got1)
     . = ALIGN(16);
     *(.eh_frame)
diff --git a/cpu/mpc8260/start.S b/cpu/mpc8260/start.S
index 379f2fb..edb95e6 100644
--- a/cpu/mpc8260/start.S
+++ b/cpu/mpc8260/start.S
@@ -909,15 +909,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/mpc8260/u-boot.lds b/cpu/mpc8260/u-boot.lds
index b3a103d..c777cf9 100644
--- a/cpu/mpc8260/u-boot.lds
+++ b/cpu/mpc8260/u-boot.lds
@@ -54,7 +54,6 @@ SECTIONS
   {
     cpu/mpc8260/start.o		(.text)
     *(.text)
-    *(.fixup)
     *(.got1)
     . = ALIGN(16);
     *(.eh_frame)
diff --git a/cpu/mpc83xx/start.S b/cpu/mpc83xx/start.S
index 26e3106..ee4b862 100644
--- a/cpu/mpc83xx/start.S
+++ b/cpu/mpc83xx/start.S
@@ -957,16 +957,18 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 #ifndef CONFIG_NAND_SPL
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/mpc83xx/u-boot.lds b/cpu/mpc83xx/u-boot.lds
index 7d57ee4..c84d4b0 100644
--- a/cpu/mpc83xx/u-boot.lds
+++ b/cpu/mpc83xx/u-boot.lds
@@ -52,7 +52,6 @@ SECTIONS
   {
     cpu/mpc83xx/start.o	(.text)
     *(.text)
-    *(.fixup)
     *(.got1)
     . = ALIGN(16);
     *(.eh_frame)
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index c9e91a9..6a86528 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -977,15 +977,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/mpc85xx/u-boot.lds b/cpu/mpc85xx/u-boot.lds
index ec47871..183dce9 100644
--- a/cpu/mpc85xx/u-boot.lds
+++ b/cpu/mpc85xx/u-boot.lds
@@ -62,7 +62,6 @@ SECTIONS
   .text      :
   {
     *(.text)
-    *(.fixup)
     *(.got1)
    } :text
     _etext = .;
@@ -132,6 +131,17 @@ SECTIONS
 
   . = RESET_VECTOR_ADDRESS + 0x4;
 
+  /*
+   * Make sure that the bss segment isn't linked at 0x0, otherwise its
+   * address won't be updated during relocation fixups.  Note that
+   * this is a temporary fix.  Code to dynamically the fixup the bss
+   * location will be added in the future.  When the bss relocation
+   * fixup code is present this workaround should be removed.
+   */
+#if (RESET_VECTOR_ADDRESS == 0xfffffffc)
+  . |= 0x10;
+#endif
+
   __bss_start = .;
   .bss (NOLOAD)       :
   {
diff --git a/cpu/mpc86xx/start.S b/cpu/mpc86xx/start.S
index 63cc8db..e65f1c0 100644
--- a/cpu/mpc86xx/start.S
+++ b/cpu/mpc86xx/start.S
@@ -733,15 +733,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/mpc8xx/start.S b/cpu/mpc8xx/start.S
index 8864c37..e84326e 100644
--- a/cpu/mpc8xx/start.S
+++ b/cpu/mpc8xx/start.S
@@ -589,15 +589,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 287a912..46f65aa 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -1596,15 +1596,17 @@ in_ram:
 	sub	r11,r3,r11
 	addi	r3,r3,-4
 1:	lwzu	r0,4(r3)
+	cmpwi	r0,0
+	beq-	2f
 	add	r0,r0,r11
 	stw	r0,0(r3)
-	bdnz	1b
+2:	bdnz	1b
 
 	/*
 	 * Now adjust the fixups and the pointers to the fixups
 	 * in case we need to move ourselves again.
 	 */
-2:	li	r0,__fixup_entries@sectoff@l
+	li	r0,__fixup_entries@sectoff@l
 	lwz	r3,GOT(_FIXUP_TABLE_)
 	cmpwi	r0,0
 	mtctr	r0