X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Flpc2220_rom.ld;h=40ed2abfebe73715bd12d2ae1a9ba71491fa03f9;hp=11fa38dfddc15d4718420d4cd7a9e675365f4759;hb=HEAD;hpb=21b21d3d5c7feb1ece4c8ea3d495e03c502450ea

diff --git a/betty/lpc2220_rom.ld b/betty/lpc2220_rom.ld
index 11fa38d..40ed2ab 100644
--- a/betty/lpc2220_rom.ld
+++ b/betty/lpc2220_rom.ld
@@ -8,9 +8,9 @@
 /* memory definitions */
 
 MEMORY {
-	FLASH_BANK0 (rx) : ORIGIN=0x80000000, LENGTH=0x00100000
-	FLASH_BANK2 (rx) : ORIGIN=0x82000000, LENGTH=0x00100000
-	RAM (rw) : ORIGIN=0x40000000, LENGTH=0x00010000
+	FLASH_BANK0 (rx) : ORIGIN = 0x80000000, LENGTH = 0x00100000
+	FLASH_BANK2 (rx) : ORIGIN = 0x82000000, LENGTH = 0x00100000
+	RAM (rw) : ORIGIN = 0x40000000, LENGTH = 0x00010000 - (4 * 1024)
 }
 
 /* section definitions */
@@ -19,25 +19,40 @@ SECTIONS {
 	
 	/* startup and user code (.text) */
 	.text : {
-		startup.o(.text)	// startup code
-		*(.text)		// our code
-		*(.glue_7)		// glue code
-		*(.glue_7t)		// glue code
+		startup.o(.text)
+		*(.text)
+		*(.glue_7)
+		*(.glue_7t)
 	} > FLASH_BANK0
 
-	. = ALIGN(4)
+	. = ALIGN(4);
 
 	/* read only data */
-	.rodata : { *(.rodata) } > FLASH_BANK0
+	.rodata : { *(.rodata*) } > FLASH_BANK0
+
+	. = ALIGN(4);
 
-	. = ALIGN(4)
+	/* define text end symbol */
+	_etext = .;
+	PROVIDE(etext = .);
 
 	/* initialized data */
-	.data : { *(.data) } > RAM
+	.data : {
+		_data = .;
+		*(.data)
+	} > RAM AT > FLASH_BANK0
 
 	. = ALIGN(4);
 
+	/* define data end symbol */
+	_edata = .;
+	PROVIDE(edata = .);
+
 	/* uninitialized data */
-	.bss : { *(.bss) } > RAM
+	.bss (NOLOAD) : { *(.bss) } > RAM
+
+	/* define bss end symbol */
+	_bss_end = .;
+	PROVIDE(bss_end = .);
 }