X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fstm%2Faltos-loader.ld;h=0753f5f7288d45ae9805a7a625d23688b8d46a02;hp=2e36dce9cab630792fa6dcf01ed9eb721c8016b5;hb=2cb7a96567e1302a699f78290fab5e29693940ab;hpb=b1a43ce313c85cb7f8f16f7f0647d9d4320ba692

diff --git a/src/stm/altos-loader.ld b/src/stm/altos-loader.ld
index 2e36dce9..0753f5f7 100644
--- a/src/stm/altos-loader.ld
+++ b/src/stm/altos-loader.ld
@@ -16,7 +16,7 @@
  */
 
 MEMORY {
-	rom : ORIGIN = 0x08000000, LENGTH = 8K
+	rom : ORIGIN = 0x08000000, LENGTH = 4K
 	ram : ORIGIN = 0x20000000, LENGTH = 16K
 }
 
@@ -37,14 +37,9 @@ SECTIONS {
 
 		ao_romconfig.o(.romconfig*)
 		ao_product.o(.romconfig*)
-
-		*(.text)	/* Executable code */
-		*(.rodata)	/* Constants */
-
-	} > rom
-
-	.ARM.exidx : {
+		*(.text*)	/* Executable code */
 		*(.ARM.exidx* .gnu.linkonce.armexidx.*)
+		*(.rodata*)	/* Constants */
 	} > rom
 	__text_end__ = .;
 
@@ -52,29 +47,36 @@ SECTIONS {
 	 * the application and bootloader share the same addresses.
 	 * This must be all uninitialized data
 	 */
-	.boot : {
+	.boot (NOLOAD) : {
 		__boot_start__ = .;
 		*(.boot)
-		. = ALIGN(4);
 		__boot_end__ = .;
 	} >ram
 
-	/* Functions placed in RAM (required for flashing) */
-	.textram : {
-		__text_ram_start__ = .;
+	/* Functions placed in RAM (required for flashing)
+	 *
+	 * Align to 8 bytes as that's what the ARM likes text
+	 * segment alignments to be, and if we don't, then
+	 * we end up with a mismatch between the location in
+	 * ROM and the desired location in RAM. I don't
+	 * entirely understand this, but at least this appears
+	 * to work...
+	 */
+
+	.textram BLOCK(8): {
 		__data_start__ = .;
-		*(.text.ram)
-		. = ALIGN(4);
+		__text_ram_start__ = .;
+		*(.ramtext)
+		__text_ram_end = .;
 	} >ram AT>rom
-	__text_ram_end = .;
 
 	/* Data -- relocated to RAM, but written to ROM
 	 */
 	.data : {
 		*(.data)	/* initialized data */
-		. = ALIGN (4);
+		__data_end__ = .;
 	} >ram AT>rom
-	__data_end__ = .;
+
 
 	.bss : {
 		__bss_start__ = .;