aboutsummaryrefslogtreecommitdiffstats
path: root/firmware
diff options
context:
space:
mode:
authorlaforge <laforge@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>2006-09-20 07:12:18 +0000
committerlaforge <laforge@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>2006-09-20 07:12:18 +0000
commit17f754fdb6e4bc7c59bff34589191a0823cfd6db (patch)
treeeb98bbfe1e08398b7c3100b22b8f920c3dd4cf7a /firmware
parent18943155145422e475c451317fe84388829a925b (diff)
- add linker scripts for SAM7S128
- use S128 linker script if we build DFU for PCD git-svn-id: https://svn.openpcd.org:2342/trunk@204 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
Diffstat (limited to 'firmware')
-rw-r--r--firmware/Makefile.dfu1
-rw-r--r--firmware/link/AT91SAM7S128-ROM-sam7dfu-dfu.ld110
-rw-r--r--firmware/link/AT91SAM7S256-ROM-sam7dfu-dfu.ld3
3 files changed, 113 insertions, 1 deletions
diff --git a/firmware/Makefile.dfu b/firmware/Makefile.dfu
index c8e9781..e5daeac 100644
--- a/firmware/Makefile.dfu
+++ b/firmware/Makefile.dfu
@@ -160,6 +160,7 @@ CDEFS += -DPICC
endif
ifeq ($(BOARD),PCD)
+SUBMDL = AT91SAM7S128
CDEFS += -DPCD
endif
diff --git a/firmware/link/AT91SAM7S128-ROM-sam7dfu-dfu.ld b/firmware/link/AT91SAM7S128-ROM-sam7dfu-dfu.ld
new file mode 100644
index 0000000..23c981b
--- /dev/null
+++ b/firmware/link/AT91SAM7S128-ROM-sam7dfu-dfu.ld
@@ -0,0 +1,110 @@
+/* Memory Definitions */
+
+MEMORY
+{
+ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00020000
+ DATA (rw) : ORIGIN = 0x00200000, LENGTH = 0x00008000
+ STACK (rw) : ORIGIN = 0x00208000, LENGTH = 0x00000000
+}
+
+
+/* Section Definitions */
+
+SECTIONS
+{
+ . = 0x00000000;
+ /* first section is .text which is used for code */
+ .text 0x00000000: AT ( 0x00000000 ) {
+ * (.reset)
+ * (.text)
+ * (.rodata*)
+ /* * (.dfu.functab) */ /* for debugging */
+ . = ALIGN(4);
+ } >FLASH
+
+ _etext = . ;
+ PROVIDE (etext = .);
+
+ .data.shared (0x00200020): AT (LOADADDR(.text) + SIZEOF(.text)) {
+ * (.data.shared)
+ . = ALIGN(4);
+ } >DATA
+
+ /* 0x00200000 ... */
+ .data (0x00200000 + SIZEOF(.text)): AT ( LOADADDR(.text) + SIZEOF(.text) + SIZEOF(.data.shared)) {
+ _data = . ;
+ * (.vectram)
+ * (.data)
+ . = ALIGN(4);
+ } >DATA
+
+ _edata = . ;
+ PROVIDE (edata = .);
+
+ /* dfu.functab addresses are valid as long as DFU is in flash, i.e. only while
+ * application calls those functions. Once executing in DFU mode, we are
+ * re-located to ram */
+ .dfu.functab 0x00000fd0: AT ( ADDR(.dfu.functab) - ADDR(.text) ) {
+ *(.dfu.functab)
+ . = ALIGN(4096);
+ } >FLASH
+
+
+ /* .bss section which is used for uninitialized data */
+ .bss : {
+ __bss_start = . ;
+ __bss_start__ = . ;
+ *(.bss)
+ *(COMMON)
+ } >DATA
+
+ . = ALIGN(4);
+ __bss_end__ = . ;
+ __bss_end__ = . ;
+
+ PROVIDE (main = .);
+
+ _end = . ;
+
+ . = ALIGN(4);
+ .int_data : {
+ *(.internal_ram_top)
+ } >STACK
+
+ PROVIDE (end = .);
+
+ /* Stabs debugging sections. */
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+ /* DWARF debug sections.
+ Symbols in the DWARF debugging sections are relative to the beginning
+ of the section so we begin them at 0. */
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ /* DWARF 2 */
+ .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+
+}
diff --git a/firmware/link/AT91SAM7S256-ROM-sam7dfu-dfu.ld b/firmware/link/AT91SAM7S256-ROM-sam7dfu-dfu.ld
index 03cd6e0..b81d44c 100644
--- a/firmware/link/AT91SAM7S256-ROM-sam7dfu-dfu.ld
+++ b/firmware/link/AT91SAM7S256-ROM-sam7dfu-dfu.ld
@@ -17,7 +17,8 @@ SECTIONS
.text 0x00000000: AT ( 0x00000000 ) {
* (.reset)
* (.text)
- * (.rodata)
+ * (.rodata*)
+ /* * (.dfu.functab) */ /* for debugging */
. = ALIGN(4);
} >FLASH