FS#12397 : On targets which load .data directly into its final location and lack code for moving it, remove linker script trick which ignores section alignment and word-aligns the section instead.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31041 a1c6a512-1295-4272-9138-f99709370657

11 files changed, 11 insertions, 99 deletions

diff --git a/firmware/target/arm/imx31/app.lds b/firmware/target/arm/imx31/app.lds
index 0325f89..60187fe4 100644
--- a/firmware/target/arm/imx31/app.lds
+++ b/firmware/target/arm/imx31/app.lds
@@ -60,21 +60,13 @@ SECTIONS
         *(.rodata.str1.4)
         *(.irodata)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         *(.idata)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
 #if 0 /* Unneeded at the moment */
diff --git a/firmware/target/arm/ipod/app.lds b/firmware/target/arm/ipod/app.lds
index 3fe08fe..9c7eb16 100644
--- a/firmware/target/arm/ipod/app.lds
+++ b/firmware/target/arm/ipod/app.lds
@@ -56,20 +56,12 @@ SECTIONS
         *(.rodata.str1.1)
         *(.rodata.str1.4)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
 #if NOCACHE_BASE != 0
diff --git a/firmware/target/arm/iriver/app.lds b/firmware/target/arm/iriver/app.lds
index de355c3..a98f33d 100644
--- a/firmware/target/arm/iriver/app.lds
+++ b/firmware/target/arm/iriver/app.lds
@@ -56,20 +56,12 @@ SECTIONS
         *(.rodata.str1.1)
         *(.rodata.str1.4)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
 #if NOCACHE_BASE != 0
diff --git a/firmware/target/arm/olympus/app.lds b/firmware/target/arm/olympus/app.lds
index de355c3..a98f33d 100644
--- a/firmware/target/arm/olympus/app.lds
+++ b/firmware/target/arm/olympus/app.lds
@@ -56,20 +56,12 @@ SECTIONS
         *(.rodata.str1.1)
         *(.rodata.str1.4)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
 #if NOCACHE_BASE != 0
diff --git a/firmware/target/arm/pbell/app.lds b/firmware/target/arm/pbell/app.lds
index de355c3..a98f33d 100644
--- a/firmware/target/arm/pbell/app.lds
+++ b/firmware/target/arm/pbell/app.lds
@@ -56,20 +56,12 @@ SECTIONS
         *(.rodata.str1.1)
         *(.rodata.str1.4)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
 #if NOCACHE_BASE != 0
diff --git a/firmware/target/arm/philips/app.lds b/firmware/target/arm/philips/app.lds
index de355c3..a98f33d 100644
--- a/firmware/target/arm/philips/app.lds
+++ b/firmware/target/arm/philips/app.lds
@@ -56,20 +56,12 @@ SECTIONS
         *(.rodata.str1.1)
         *(.rodata.str1.4)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
 #if NOCACHE_BASE != 0
diff --git a/firmware/target/arm/pnx0101/app.lds b/firmware/target/arm/pnx0101/app.lds
index 6464b0d..3b7b73c 100644
--- a/firmware/target/arm/pnx0101/app.lds
+++ b/firmware/target/arm/pnx0101/app.lds
@@ -57,20 +57,12 @@ SECTIONS
         *(.rodata.str1.1)
         *(.rodata.str1.4)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
     /DISCARD/ :
diff --git a/firmware/target/arm/samsung/app.lds b/firmware/target/arm/samsung/app.lds
index de355c3..a98f33d 100644
--- a/firmware/target/arm/samsung/app.lds
+++ b/firmware/target/arm/samsung/app.lds
@@ -56,20 +56,12 @@ SECTIONS
         *(.rodata.str1.1)
         *(.rodata.str1.4)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
 #if NOCACHE_BASE != 0
diff --git a/firmware/target/arm/sandisk/app.lds b/firmware/target/arm/sandisk/app.lds
index de355c3..a98f33d 100644
--- a/firmware/target/arm/sandisk/app.lds
+++ b/firmware/target/arm/sandisk/app.lds
@@ -56,20 +56,12 @@ SECTIONS
         *(.rodata.str1.1)
         *(.rodata.str1.4)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
 #if NOCACHE_BASE != 0
diff --git a/firmware/target/arm/tatung/app.lds b/firmware/target/arm/tatung/app.lds
index cda0190..a00d5f1 100644
--- a/firmware/target/arm/tatung/app.lds
+++ b/firmware/target/arm/tatung/app.lds
@@ -56,20 +56,12 @@ SECTIONS
         *(.rodata.str1.1)
         *(.rodata.str1.4)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
 #if NOCACHE_BASE != 0
diff --git a/firmware/target/arm/tcc780x/app.lds b/firmware/target/arm/tcc780x/app.lds
index 9d5570a..e84ea05 100644
--- a/firmware/target/arm/tcc780x/app.lds
+++ b/firmware/target/arm/tcc780x/app.lds
@@ -56,20 +56,12 @@ SECTIONS
         *(.rodata.str1.1)
         *(.rodata.str1.4)
         . = ALIGN(0x4);
-
-        /* Pseudo-allocate the copies of the data sections */
-        _datacopy = .;
     } > DRAM
 
-    /* TRICK ALERT! For RAM execution, we put the .data section at the
-       same load address as the copy. Thus, we don't waste extra RAM
-       when we don't actually need the copy.  */
-    .data : AT ( _datacopy )
+    .data :
     {
-        _datastart = .;
         *(.data*)
         . = ALIGN(0x4);
-        _dataend  = .;
     } > DRAM
 
     /DISCARD/ :