diff options
Diffstat (limited to 'firmware')
-rw-r--r-- | firmware/lpc17xx/LPC17xx.ld | 386 |
1 files changed, 204 insertions, 182 deletions
diff --git a/firmware/lpc17xx/LPC17xx.ld b/firmware/lpc17xx/LPC17xx.ld index 4aa5d0c..8f3e8e9 100644 --- a/firmware/lpc17xx/LPC17xx.ld +++ b/firmware/lpc17xx/LPC17xx.ld @@ -1,182 +1,204 @@ -/* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
-* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
-* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
-* THE AUTHORS SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
-* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. USE IT AT YOUR OWN RISK */
-
-MEMORY
-{
- /* LPC1768 : 512k ROM + 64k SRAM */
- /*------------------------------ */
-
- /* On-chip ROM is a readable (r), executable region (x) */
- /* On-chip SRAM is a readable (r), writable (w) and */
- /* executable region (x) */
-
- /* Main ROM region - 512k for LPC1768 */
- IROM (rx) : ORIGIN = 0x00002000, LENGTH = 512k
-
- /* local static RAM - 32k for LPC1756 */
- IRAM0 (rwx) : ORIGIN = 0x10000000, LENGTH = 32k
-
- /* AHB SRAM - 16k for LPC1756 - often used for USB */
- IRAM1 (rwx) : ORIGIN = 0x2007C000, LENGTH = 16k
- IRAM2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16k
-}
-
-/* SECTION command : Define mapping of input sections */
-/* into output sections. */
-
-SECTIONS
-{
- /******************************************/
- /* code section */
-
- /* "normal" code */
-
- .text :
- {
- KEEP(*(.isr_vector .isr_vector.*))
- *(.text .text.*)
- *(.gnu.linkonce.t.*)
- *(.glue_7)
- *(.glue_7t)
- *(.gcc_except_table)
- *(.rodata .rodata*)
- *(.gnu.linkonce.r.*)
- } >IROM
-
- /******************************************/
- /* .ctors .dtors are used for c++ constructors/destructors */
- .ctors :
- {
- . = ALIGN(4);
- PROVIDE(__ctors_start = .);
- KEEP(*(SORT(.ctors.*)))
- KEEP(*(.ctors))
- PROVIDE(__ctors_end = .);
- } >IROM
-
- .dtors :
- {
- . = ALIGN(4);
- PROVIDE(__dtors_start = .);
- KEEP(*(SORT(.dtors.*)))
- KEEP(*(.dtors))
- PROVIDE(__dtors_end = .);
-
- . = ALIGN(4);
- /* End Of .text section */
- _etext = .;
- _sifastcode = .;
- } >IROM
-
- /**************************************************/
- /* fastcode - copied at startup & executed in RAM */
-
- .fastcode :
- {
- . = ALIGN (4);
- _sfastcode = . ;
-
- *(.glue_7t) *(.glue_7)
- *(.fastcode)
-
- /* add other modules here ... */
-
- . = ALIGN (4);
- _efastcode = . ;
- _sidata = .;
- } >IRAM0 AT>IROM
-
- /******************************************/
- /* This used for USB RAM section */
- .usb_ram (NOLOAD):
- {
- *.o (USB_RAM)
- } > IRAM1
-
- /******************************************/
- /* data section */
- .data :
- {
- _sidata = LOADADDR (.data);
- . = ALIGN(4);
- _sdata = .;
-
- *(vtable vtable.*)
- *(.data .data.*)
- *(.gnu.linkonce.d*)
-
- . = ALIGN(4);
- _edata = . ;
- } >IRAM0 AT>IROM
-
- /******************************************/
- /* For no-init variables section */
- .bss (NOLOAD) :
- {
- . = ALIGN(4);
- _sbss = . ;
-
- *(.bss .bss.*)
- *(.gnu.linkonce.b*)
- *(COMMON)
-
- . = ALIGN(4);
- _ebss = . ;
- } >IRAM0
-
- /******************************************/
- /* For stack section */
- .stackarea (NOLOAD) :
- {
- . = ALIGN(8);
- _sstack = .;
-
- *(.stackarea .stackarea.*)
-
- . = ALIGN(8);
- _estack = .;
-
- . = ALIGN(4);
- _end = . ;
- PROVIDE (end = .);
-
- } > IRAM0
-
- /******************************************/
- /* 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) }
-}
+/* From: http://ulan.git.sourceforge.net/git/gitweb.cgi?p=ulan/sysless;a=blob;f=board/arm/lpc17xx-common/libs/ldscripts/lpc1768.ld-cfg;h=c37ec2de11b5b3d9667a89257c4ec3acecb09b64;hb=HEAD */ + +PROVIDE( __bbconf_pt_addr = 0 ); + +MEMORY +{ + /* LPC176[89] : 512 ROM + 32k SRAM + 16k SRAM + 16k SRAM */ + /*--------------------------------------------------- */ + + + /* Main ROM region - 512k for LPC176[89] */ + FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 512k + + /* local static RAM - 32k for LPC176[89] */ + IRAM0 (rwx) : ORIGIN = 0x10000000, LENGTH = 32k + + /* stack location */ + STACK (rw) : ORIGIN = 0x10000000 + 0x00007FE0 - 4, LENGTH = 4 + + /* AHB SRAM - 2x16k for LPC176[89] - often used for USB */ + USBRAM (rwx) : ORIGIN = 0x2007C000, LENGTH = 4k + IRAM1 (rwx) : ORIGIN = 0x2007D000, LENGTH = 28k +} + +/* From: http://ulan.git.sourceforge.net/git/gitweb.cgi?p=ulan/sysless;a=blob;f=board/arm/lpc17xx-common/libs/ldscripts/lpc17xx-base.ld-boot;h=b2c64fa863fba493dfc23aa3a6604851b73e1770;hb=HEAD */ + +/***********************************************************************/ +/* */ +/* ROM.ld: Linker Script File */ +/* */ +/***********************************************************************/ + +ENTRY(g_pfnVectors) + +/* SECTION command : Define mapping of input sections */ +/* into output sections. */ + +SECTIONS +{ + /******************************************/ + /* code section */ + + /* "normal" code */ + + .text : + { + KEEP(*(.isr_vector .isr_vector.*)) + *(.text .text.*) + *(.gnu.linkonce.t.*) + *(.glue_7) + *(.glue_7t) + *(.gcc_except_table) + *(.rodata .rodata*) + *(.gnu.linkonce.r.*) + } >FLASH + + /******************************************/ + /* .ctors .dtors are used for c++ constructors/destructors */ + .ctors : + { + . = ALIGN(4); + PROVIDE(__ctors_start = .); + KEEP(*(SORT(.ctors.*))) + KEEP(*(.ctors)) + PROVIDE(__ctors_end = .); + } >FLASH + + .dtors : + { + . = ALIGN(4); + PROVIDE(__dtors_start = .); + KEEP(*(SORT(.dtors.*))) + KEEP(*(.dtors)) + PROVIDE(__dtors_end = .); + + . = ALIGN(4); + /* End Of .text section */ + _etext = .; + _sifastcode = .; + } >FLASH + + .irqarea (NOLOAD): + { + . = ALIGN (256); + *(.irqarea .irqarea.*) + + } >IRAM0 + + /**************************************************/ + /* fastcode - copied at startup & executed in RAM */ + + .fastcode : + { + . = ALIGN (4); + _sfastcode = . ; + + *(.glue_7t) *(.glue_7) + *(.fastcode) + + /* add other modules here ... */ + + . = ALIGN (4); + _efastcode = . ; + _sidata = .; + } >IRAM0 AT>FLASH + + /******************************************/ + /* data section */ + .data : + { + _sidata = LOADADDR (.data); + . = ALIGN(4); + _sdata = .; + + *(vtable vtable.*) + *(.data .data.*) + *(.gnu.linkonce.d*) + + . = ALIGN(4); + _edata = . ; + } >IRAM0 AT>FLASH + + /******************************************/ + /* For no-init variables section */ + .bss (NOLOAD) : + { + . = ALIGN(4); + _sbss = . ; + __bss_start__ = . ; + + *(.bss .bss.*) + *(.gnu.linkonce.b*) + *(COMMON) + + . = ALIGN(4); + _ebss = . ; + __bss_end__ = .; + + . = ALIGN(4); + _end = . ; + PROVIDE (end = .); + } >IRAM0 + + .stack : + { + _stack = .; + } >STACK + + /******************************************/ + /* This used for USB RAM section */ + .usbram (NOLOAD): + { + _usbram = . ; + USB_RAM_ADR = . ; + *(.usbram) + . = ALIGN(4); + _eusbram = . ; + _usbram_end = . ; + } > USBRAM + + /* Extra RAM */ + .iram1 (NOLOAD): + { + _iram = . ; + *(.iram1) + . = ALIGN(4); + _iram_end = . ; + } > IRAM1 + + /******************************************/ + /* 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) } +} |