X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Flpc%2Faltos.ld;h=00d4f18a67e275645f9cd34cbe4fcce669199994;hp=7a99e66b959c7caf791faeaedacefd2a8847d695;hb=a04c1dd5df76c9127615bc797a9d9f764eec1234;hpb=bcc65597d3d20f1d58df784100af766cee5f0f20

diff --git a/src/lpc/altos.ld b/src/lpc/altos.ld
index 7a99e66b..00d4f18a 100644
--- a/src/lpc/altos.ld
+++ b/src/lpc/altos.ld
@@ -16,8 +16,10 @@
  */
 
 MEMORY {
-	rom (rx) : ORIGIN = 0x00000000, LENGTH = 32K
-	ram (!w) : ORIGIN = 0x10000000, LENGTH = 4K
+	rom (rx) : ORIGIN = 0x00001000, LENGTH = 28K
+	ram (!w) : ORIGIN = 0x10000000, LENGTH = 4K - 128
+	usb (!x) : ORIGIN = 0x20004000 + 2K - 256, LENGTH = 256
+	stack (!w) : ORIGIN = 0x10000000 + 4K - 128, LENGTH = 128
 }
 
 INCLUDE registers.ld
@@ -29,11 +31,15 @@ SECTIONS {
 	 * Rom contents
 	 */
 
-	.text ORIGIN(rom) : {
-		__text_start__ = .;
+	.interrupt ORIGIN(ram) : AT (ORIGIN(rom)) {
+		__interrupt_start__ = .;
+		__interrupt_rom__ = ORIGIN(rom);
 		*(.interrupt)	/* Interrupt vectors */
+		__interrupt_end__ = .;
+	} > ram
 
-		. = ORIGIN(rom) + 0x100;
+	.text ORIGIN(rom) + 0x100 : {
+		__text_start__ = .;
 
 		ao_romconfig.o(.romconfig*)
 		ao_product.o(.romconfig*)
@@ -48,9 +54,20 @@ SECTIONS {
 		__text_end__ = .;
 	} > rom
 
+	/* Boot data which must live at the start of ram so that
+	 * the application and bootloader share the same addresses.
+	 * This must be all uninitialized data
+	 */
+	.boot : {
+		__boot_start__ = .;
+		*(.boot)
+		. = ALIGN(4);
+		__boot_end__ = .;
+	} >ram
+
 	/* Data -- relocated to RAM, but written to ROM
 	 */
-	.data ORIGIN(ram) : AT (ADDR(.ARM.exidx) + SIZEOF (.ARM.exidx)) {
+	.data : AT (ADDR(.ARM.exidx) + SIZEOF (.ARM.exidx)) {
 		__data_start__ = .;
 		*(.data)	/* initialized data */
 		__data_end__ = .;
@@ -58,13 +75,14 @@ SECTIONS {
 	} >ram
 
 	.bss : {
+		__bss_start__ = .;
 		*(.bss)
 		*(COMMON)
 		__bss_end__ = .;
 	} >ram
-
-	PROVIDE(__stack__ = ORIGIN(ram) + LENGTH(ram));
 	PROVIDE(end = .);
+
+	PROVIDE(__stack__ = ORIGIN(stack) + LENGTH(stack));
 }
 
 ENTRY(start);