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-rw-r--r--support/ld/common.inc (renamed from support/ld/common_rom.inc)67
-rw-r--r--support/ld/common_header.inc37
-rw-r--r--support/ld/common_ram.inc188
-rw-r--r--support/ld/maple/flash.ld5
-rw-r--r--support/ld/maple/jtag.ld4
-rw-r--r--support/ld/maple/ram.ld3
-rw-r--r--support/ld/maple_RET6/flash.ld4
-rw-r--r--support/ld/maple_RET6/jtag.ld4
-rw-r--r--support/ld/maple_RET6/ram.ld3
-rw-r--r--support/ld/maple_mini/flash.ld4
-rw-r--r--support/ld/maple_mini/jtag.ld4
-rw-r--r--support/ld/maple_mini/ram.ld3
-rw-r--r--support/ld/maple_native/flash.ld4
-rw-r--r--support/ld/maple_native/jtag.ld4
-rw-r--r--support/ld/maple_native/ram.ld3
15 files changed, 89 insertions, 248 deletions
diff --git a/support/ld/common_rom.inc b/support/ld/common.inc
index 7182a4d..b53c4f6 100644
--- a/support/ld/common_rom.inc
+++ b/support/ld/common.inc
@@ -1,17 +1,53 @@
/*
- * Linker script for Flash (ROM) builds.
+ * Linker script for libmaple.
*
* Original author "lanchon" from ST forums, with modifications by LeafLabs.
*/
-INCLUDE common_header.inc
+OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+ENTRY(_start)
+SEARCH_DIR(.)
+
+/*
+ * Link against libgcc, libc, and libm
+ */
+GROUP(libgcc.a libc.a libm.a)
+
+/* These force the linker to search for particular symbols from
+ * the start of the link process and thus ensure the user's
+ * overrides are picked up
+ */
+INCLUDE names.inc
+
+/* STM32 vector table. See stm32_vector_table.S */
+EXTERN(__cs3_stm32_vector_table)
+
+/* libcs3 C start function. See cs3.h */
+EXTERN(__cs3_start_c)
+
+/* main entry point */
+EXTERN(main)
+
+/* Initial stack pointer value. */
+EXTERN(__cs3_stack)
+PROVIDE(__cs3_stack = __cs3_region_start_ram + LENGTH(ram));
+
+/* Reset vector and chip reset entry point. See start.S */
+EXTERN(_start)
+PROVIDE(__cs3_reset = _start);
+
+/* Heap boundaries, for libmaple */
+EXTERN(_lm_heap_start);
+EXTERN(_lm_heap_end);
SECTIONS
{
+ /* TODO pull out rodata and stick into separate sections */
.text :
{
+ __text_start = .;
/*
- * STM32 vector table
+ * STM32 vector table. Leave this here. Yes, really.
*/
*(.stm32.interrupt_vector)
@@ -23,8 +59,6 @@ SECTIONS
*(.gnu.warning)
*(.glue_7t) *(.glue_7) *(.vfp11_veneer)
- *(.rodata .rodata.* .gnu.linkonce.r.*)
-
*(.ARM.extab* .gnu.linkonce.armextab.*)
*(.gcc_except_table)
*(.eh_frame_hdr)
@@ -77,13 +111,21 @@ SECTIONS
} > REGION_TEXT
/*
+ * Read-only data
+ */
+ .rodata :
+ {
+ *(.rodata .rodata.* .gnu.linkonce.r.*)
+ } > REGION_RODATA
+
+ /*
* .ARM.exidx exception unwinding; mandated by ARM's C++ ABI
*/
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
- } > REGION_TEXT
+ } > REGION_RODATA
__exidx_end = .;
/*
@@ -101,19 +143,18 @@ SECTIONS
.USER_FLASH :
{
*(.USER_FLASH)
- } > rom
+ } > REGION_RODATA
/*
* .data
*/
.data :
{
- __cs3_region_start_ram = .;
+ __cs3_region_start_ram = DEFINED(_FLASH_BUILD) ? . : __text_start;
*(.got.plt) *(.got)
*(.data .data.* .gnu.linkonce.d.*)
-
/*
* Heap: Linker scripts may choose a custom heap by overriding
* _lm_heap_start and _lm_heap_end. Otherwise, the heap is in
@@ -144,8 +185,12 @@ SECTIONS
* Constants needed for the pieces of CS3 we use during
* board startup; see libcs3_stm32_src/.
*/
- __cs3_region_init_ram = LOADADDR (.data);
- __cs3_region_init_size_ram = _edata - ADDR (.data);
+ __cs3_region_init_ram = (DEFINED(_FLASH_BUILD) ?
+ LOADADDR(.data) :
+ LOADADDR(.text));
+ __cs3_region_init_size_ram = (DEFINED(_FLASH_BUILD) ?
+ _edata - ADDR(.data) :
+ _edata - ADDR(.text));
__cs3_region_zero_size_ram = _end - _edata;
__cs3_region_num = 1;
diff --git a/support/ld/common_header.inc b/support/ld/common_header.inc
deleted file mode 100644
index 1d11ba0..0000000
--- a/support/ld/common_header.inc
+++ /dev/null
@@ -1,37 +0,0 @@
-/* "Preamble" for linker scripts (such as common_rom.inc) */
-
-OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
-ENTRY(_start)
-SEARCH_DIR(.)
-
-/*
- * Link against libgcc, libc, and libm
- */
-GROUP(libgcc.a libc.a libm.a)
-
-/* These force the linker to search for particular symbols from
- * the start of the link process and thus ensure the user's
- * overrides are picked up
- */
-INCLUDE names.inc
-
-/* STM32 vector table. See stm32_vector_table.S */
-EXTERN(__cs3_stm32_vector_table)
-
-/* libcs3 C start function. See cs3.h */
-EXTERN(__cs3_start_c)
-
-/* main entry point */
-EXTERN(main)
-
-/* Initial stack pointer value. */
-EXTERN(__cs3_stack)
-PROVIDE(__cs3_stack = __cs3_region_start_ram + LENGTH(ram));
-
-/* Reset vector and chip reset entry point. See start.S */
-EXTERN(_start)
-PROVIDE(__cs3_reset = _start);
-
-/* Heap boundaries, for libmaple */
-EXTERN(_lm_heap_start);
-EXTERN(_lm_heap_end);
diff --git a/support/ld/common_ram.inc b/support/ld/common_ram.inc
deleted file mode 100644
index ea51a9f..0000000
--- a/support/ld/common_ram.inc
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- * Linker script for RAM builds.
- *
- * Original author "lanchon" from ST forums, with modifications by LeafLabs.
- */
-
-INCLUDE common_header.inc
-
-SECTIONS
-{
- .text :
- {
- CREATE_OBJECT_SYMBOLS
- __cs3_region_start_ram = .;
-
- /*
- * STM32 vector table
- */
- __cs3_interrupt_vector = __cs3_stm32_vector_table;
- *(.cs3.interrupt_vector)
- /* Make sure we pulled in an interrupt vector. */
- ASSERT (. != __cs3_stm32_vector_table, "No interrupt vector");
-
- /*
- * Program code and vague linking
- */
- *(.text .text.* .gnu.linkonce.t.*)
- *(.plt)
- *(.gnu.warning)
- *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
-
- *(.rodata .rodata.* .gnu.linkonce.r.*)
-
- *(.ARM.extab* .gnu.linkonce.armextab.*)
- *(.gcc_except_table)
- *(.eh_frame_hdr)
- *(.eh_frame)
-
- . = ALIGN(4);
- KEEP(*(.init))
-
- . = ALIGN(4);
- __preinit_array_start = .;
- KEEP (*(.preinit_array))
- __preinit_array_end = .;
-
- . = ALIGN(4);
- __init_array_start = .;
- KEEP (*(SORT(.init_array.*)))
- KEEP (*(.init_array))
- __init_array_end = .;
-
- . = ALIGN(0x4);
- KEEP (*crtbegin.o(.ctors))
- KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
- KEEP (*(SORT(.ctors.*)))
- KEEP (*crtend.o(.ctors))
-
- . = ALIGN(4);
- KEEP(*(.fini))
-
- . = ALIGN(4);
- __fini_array_start = .;
- KEEP (*(.fini_array))
- KEEP (*(SORT(.fini_array.*)))
- __fini_array_end = .;
-
- KEEP (*crtbegin.o(.dtors))
- KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
- KEEP (*(SORT(.dtors.*)))
- KEEP (*crtend.o(.dtors))
-
- . = ALIGN(4);
- __cs3_regions = .;
- LONG (0)
- LONG (__cs3_region_init_ram)
- LONG (__cs3_region_start_ram)
- LONG (__cs3_region_init_size_ram)
- LONG (__cs3_region_zero_size_ram)
- } > REGION_TEXT
-
- /*
- * .ARM.exidx exception unwinding
- */
- __exidx_start = .;
- .ARM.exidx :
- {
- *(.ARM.exidx* .gnu.linkonce.armexidx.*)
- } > REGION_TEXT
- __exidx_end = .;
-
- /*
- * End of text
- */
- .text.align :
- {
- . = ALIGN(8);
- _etext = .;
- } > REGION_TEXT
-
- .cs3.rom :
- {
- __cs3_region_start_rom = .;
- *(.rom)
- . = ALIGN (8);
- } > ram
-
- .cs3.rom.bss :
- {
- *(.rom.b)
- . = ALIGN (8);
- } > ram
-
- /* __cs3_region_end_rom is deprecated */
- __cs3_region_end_rom = __cs3_region_start_rom + LENGTH(ram);
- __cs3_region_size_rom = LENGTH(ram);
- __cs3_region_init_rom = LOADADDR (.cs3.rom);
- __cs3_region_init_size_rom = SIZEOF(.cs3.rom);
- __cs3_region_zero_size_rom = SIZEOF(.cs3.rom.bss);
-
- /*
- * Start of data
- */
- .data :
- {
- KEEP(*(.jcr))
- *(.got.plt) *(.got)
- *(.shdata)
- *(.data .data.* .gnu.linkonce.d.*)
- *(.ram)
- . = ALIGN (8);
- _edata = .;
- } > REGION_DATA
-
- .bss :
- {
- *(.shbss)
- *(.bss .bss.* .gnu.linkonce.b.*)
- *(COMMON)
- *(.ram.b)
- . = ALIGN (8);
- _end = .;
- __end = .;
- } > REGION_BSS
-
- /* __cs3_region_end_ram is deprecated */
- __cs3_region_end_ram = __cs3_region_start_ram + LENGTH(ram);
- __cs3_region_size_ram = LENGTH(ram);
- __cs3_region_init_ram = LOADADDR (.text);
- __cs3_region_init_size_ram = _edata - ADDR (.text);
- __cs3_region_zero_size_ram = _end - _edata;
- __cs3_region_num = 1;
-
- /*
- * Debugging sections
- */
- .stab 0 (NOLOAD) : { *(.stab) }
- .stabstr 0 (NOLOAD) : { *(.stabstr) }
- /* 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) }
-
- .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
- .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
- /DISCARD/ : { *(.note.GNU-stack) }
-}
diff --git a/support/ld/maple/flash.ld b/support/ld/maple/flash.ld
index e9ff4b4..8a179f7 100644
--- a/support/ld/maple/flash.ld
+++ b/support/ld/maple/flash.ld
@@ -19,8 +19,11 @@ GROUP(libcs3_stm32_med_density.a)
REGION_ALIAS("REGION_TEXT", rom);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
/*
* Define the rest of the sections
*/
-INCLUDE common_rom.inc
+_FLASH_BUILD = 1;
+
+INCLUDE common.inc
diff --git a/support/ld/maple/jtag.ld b/support/ld/maple/jtag.ld
index ed8cc1c..365068f 100644
--- a/support/ld/maple/jtag.ld
+++ b/support/ld/maple/jtag.ld
@@ -20,8 +20,10 @@ GROUP(libcs3_stm32_med_density.a)
REGION_ALIAS("REGION_TEXT", rom);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
/*
* Define the rest of the sections
*/
-INCLUDE common_rom.inc
+_FLASH_BUILD = 1;
+INCLUDE common.inc
diff --git a/support/ld/maple/ram.ld b/support/ld/maple/ram.ld
index 09bcb33..6f237c3 100644
--- a/support/ld/maple/ram.ld
+++ b/support/ld/maple/ram.ld
@@ -19,8 +19,9 @@ GROUP(libcs3_stm32_med_density.a)
REGION_ALIAS("REGION_TEXT", ram);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", ram);
/*
* Define the rest of the sections
*/
-INCLUDE common_ram.inc
+INCLUDE common.inc
diff --git a/support/ld/maple_RET6/flash.ld b/support/ld/maple_RET6/flash.ld
index 524ed71..4cf9c4b 100644
--- a/support/ld/maple_RET6/flash.ld
+++ b/support/ld/maple_RET6/flash.ld
@@ -14,5 +14,7 @@ GROUP(libcs3_stm32_high_density.a)
REGION_ALIAS("REGION_TEXT", rom);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
-INCLUDE common_rom.inc
+_FLASH_BUILD = 1;
+INCLUDE common.inc
diff --git a/support/ld/maple_RET6/jtag.ld b/support/ld/maple_RET6/jtag.ld
index 3a8e41f..6055dfb 100644
--- a/support/ld/maple_RET6/jtag.ld
+++ b/support/ld/maple_RET6/jtag.ld
@@ -14,5 +14,7 @@ GROUP(libcs3_stm32_high_density.a)
REGION_ALIAS("REGION_TEXT", rom);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
-INCLUDE common_rom.inc
+_FLASH_BUILD = 1;
+INCLUDE common.inc
diff --git a/support/ld/maple_RET6/ram.ld b/support/ld/maple_RET6/ram.ld
index 787eb31..a4c273b 100644
--- a/support/ld/maple_RET6/ram.ld
+++ b/support/ld/maple_RET6/ram.ld
@@ -14,5 +14,6 @@ GROUP(libcs3_stm32_high_density.a)
REGION_ALIAS("REGION_TEXT", ram);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", ram);
-INCLUDE common_ram.inc
+INCLUDE common.inc
diff --git a/support/ld/maple_mini/flash.ld b/support/ld/maple_mini/flash.ld
index 37d765e..ab03207 100644
--- a/support/ld/maple_mini/flash.ld
+++ b/support/ld/maple_mini/flash.ld
@@ -19,8 +19,10 @@ GROUP(libcs3_stm32_med_density.a)
REGION_ALIAS("REGION_TEXT", rom);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
/*
* Define the rest of the sections
*/
-INCLUDE common_rom.inc
+_FLASH_BUILD = 1;
+INCLUDE common.inc
diff --git a/support/ld/maple_mini/jtag.ld b/support/ld/maple_mini/jtag.ld
index a26e1b6..2f9cf31 100644
--- a/support/ld/maple_mini/jtag.ld
+++ b/support/ld/maple_mini/jtag.ld
@@ -20,8 +20,10 @@ GROUP(libcs3_stm32_med_density.a)
REGION_ALIAS("REGION_TEXT", rom);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
/*
* Define the rest of the sections
*/
-INCLUDE common_rom.inc
+_FLASH_BUILD = 1;
+INCLUDE common.inc
diff --git a/support/ld/maple_mini/ram.ld b/support/ld/maple_mini/ram.ld
index 3bf33c9..0ba0252 100644
--- a/support/ld/maple_mini/ram.ld
+++ b/support/ld/maple_mini/ram.ld
@@ -19,8 +19,9 @@ GROUP(libcs3_stm32_med_density.a)
REGION_ALIAS("REGION_TEXT", ram);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", ram);
/*
* Define the rest of the sections
*/
-INCLUDE common_ram.inc
+INCLUDE common.inc
diff --git a/support/ld/maple_native/flash.ld b/support/ld/maple_native/flash.ld
index 20326e4..b6e10f8 100644
--- a/support/ld/maple_native/flash.ld
+++ b/support/ld/maple_native/flash.ld
@@ -16,10 +16,12 @@ GROUP(libcs3_stm32_high_density.a)
REGION_ALIAS("REGION_TEXT", rom);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
/* Specify heap boundary addresses on the external SRAM chip */
_lm_heap_start = 0x60000000;
_lm_heap_end = 0x60100000;
-INCLUDE common_rom.inc
+_FLASH_BUILD = 1;
+INCLUDE common.inc
diff --git a/support/ld/maple_native/jtag.ld b/support/ld/maple_native/jtag.ld
index 73157de..9af2a11 100644
--- a/support/ld/maple_native/jtag.ld
+++ b/support/ld/maple_native/jtag.ld
@@ -17,9 +17,11 @@ GROUP(libcs3_stm32_high_density.a)
REGION_ALIAS("REGION_TEXT", rom);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
/* Specify heap boundary addresses on the external SRAM chip */
_lm_heap_start = 0x60000000;
_lm_heap_end = 0x60100000;
-INCLUDE common_rom.inc
+_FLASH_BUILD = 1;
+INCLUDE common.inc
diff --git a/support/ld/maple_native/ram.ld b/support/ld/maple_native/ram.ld
index d38e43c..7264316 100644
--- a/support/ld/maple_native/ram.ld
+++ b/support/ld/maple_native/ram.ld
@@ -16,9 +16,10 @@ GROUP(libcs3_stm32_high_density.a)
REGION_ALIAS("REGION_TEXT", ram);
REGION_ALIAS("REGION_DATA", ram);
REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", ram);
/* Specify heap boundary addresses on the external SRAM chip */
_lm_heap_start = 0x60000000;
_lm_heap_end = 0x60100000;
-INCLUDE common_ram.inc
+INCLUDE common.inc
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 17:24:05 +0000