From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Thu, 11 Jul 2013 16:49:42 +0000 (+0200)
Subject: software: share SDRAM linker script
X-Git-Tag: 24jan2021_ls180~2874
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c2ec077d8f7ad1d229d0d27420ada5e61f61bf31;p=litex.git

software: share SDRAM linker script
---

diff --git a/software/libbase/linker-sdram.ld b/software/libbase/linker-sdram.ld
new file mode 100644
index 00000000..fd17edbf
--- /dev/null
+++ b/software/libbase/linker-sdram.ld
@@ -0,0 +1,56 @@
+OUTPUT_FORMAT("elf32-lm32")
+ENTRY(_start)
+
+__DYNAMIC = 0;
+
+MEMORY {
+	sdram  : ORIGIN = 0x40000000, LENGTH = 0x08000000 /* 128M */
+}
+
+SECTIONS
+{
+	.text :
+	{
+		_ftext = .;
+		*(.text .stub .text.* .gnu.linkonce.t.*)
+		_etext = .;
+	} > sdram
+
+	.rodata :
+	{
+		. = ALIGN(4);
+		_frodata = .;
+		*(.rodata .rodata.* .gnu.linkonce.r.*)
+		*(.rodata1)
+		_erodata = .;
+	} > sdram
+
+	.data :
+	{
+		. = ALIGN(4);
+		_fdata = .;
+		*(.data .data.* .gnu.linkonce.d.*)
+		*(.data1)
+		_gp = ALIGN(16);
+		*(.sdata .sdata.* .gnu.linkonce.s.*)
+		_edata = .;
+	} > sdram
+
+	.bss :
+	{
+		. = ALIGN(4);
+		_fbss = .;
+		*(.dynsbss)
+		*(.sbss .sbss.* .gnu.linkonce.sb.*)
+		*(.scommon)
+		*(.dynbss)
+		*(.bss .bss.* .gnu.linkonce.b.*)
+		*(COMMON)
+		. = ALIGN(4);
+		_ebss = .;
+		. = ALIGN(8);
+		_heapstart = .;
+	} > sdram
+}
+
+PROVIDE(_fstack = ORIGIN(sdram) + LENGTH(sdram) - 4);
diff --git a/software/videomixer/Makefile b/software/videomixer/Makefile
index b4e6c183..347dccc7 100644
--- a/software/videomixer/Makefile
+++ b/software/videomixer/Makefile
@@ -15,10 +15,12 @@ all: videomixer.bin videomixer.fbi
 %.fbi: %.bin
 	$(M2DIR)/tools/mkmmimg $< write $@
 
-videomixer.elf: linker.ld $(OBJECTS) libs
+videomixer.elf: $(OBJECTS) libs
 
 %.elf:
-	$(LD) $(LDFLAGS) -T $< -N -o $@ \
+	$(LD) $(LDFLAGS) \
+		-T $(M2DIR)/software/libbase/linker-sdram.ld \
+		-N -o $@ \
 		$(M2DIR)/software/libbase/crt0.o \
 		$(OBJECTS) \
 		-L$(M2DIR)/software/libbase \
diff --git a/software/videomixer/linker.ld b/software/videomixer/linker.ld
deleted file mode 100644
index fd17edbf..00000000
--- a/software/videomixer/linker.ld
+++ /dev/null
@@ -1,56 +0,0 @@
-OUTPUT_FORMAT("elf32-lm32")
-ENTRY(_start)
-
-__DYNAMIC = 0;
-
-MEMORY {
-	sdram  : ORIGIN = 0x40000000, LENGTH = 0x08000000 /* 128M */
-}
-
-SECTIONS
-{
-	.text :
-	{
-		_ftext = .;
-		*(.text .stub .text.* .gnu.linkonce.t.*)
-		_etext = .;
-	} > sdram
-
-	.rodata :
-	{
-		. = ALIGN(4);
-		_frodata = .;
-		*(.rodata .rodata.* .gnu.linkonce.r.*)
-		*(.rodata1)
-		_erodata = .;
-	} > sdram
-
-	.data :
-	{
-		. = ALIGN(4);
-		_fdata = .;
-		*(.data .data.* .gnu.linkonce.d.*)
-		*(.data1)
-		_gp = ALIGN(16);
-		*(.sdata .sdata.* .gnu.linkonce.s.*)
-		_edata = .;
-	} > sdram
-
-	.bss :
-	{
-		. = ALIGN(4);
-		_fbss = .;
-		*(.dynsbss)
-		*(.sbss .sbss.* .gnu.linkonce.sb.*)
-		*(.scommon)
-		*(.dynbss)
-		*(.bss .bss.* .gnu.linkonce.b.*)
-		*(COMMON)
-		. = ALIGN(4);
-		_ebss = .;
-		. = ALIGN(8);
-		_heapstart = .;
-	} > sdram
-}
-
-PROVIDE(_fstack = ORIGIN(sdram) + LENGTH(sdram) - 4);