This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/baseband-devel@lists.osmocom.org/.
Andreas Eversberg jolly at eversberg.euLoader binaries start at 0x20000 at flash memory. This is where the Compal
loader jumps to. Flash binaries start at 0x30000 at flash memory.
---
src/target/firmware/Makefile | 12 +-
src/target/firmware/board/compal_e99/flash.lds | 134 +++++++++++++++++++++
src/target/firmware/board/compal_e99/loader.lds | 147 +++++++++++++++++++++++
3 files changed, 288 insertions(+), 5 deletions(-)
create mode 100644 src/target/firmware/board/compal_e99/flash.lds
create mode 100644 src/target/firmware/board/compal_e99/loader.lds
diff --git a/src/target/firmware/Makefile b/src/target/firmware/Makefile
index a71eef6..c76bcd0 100644
--- a/src/target/firmware/Makefile
+++ b/src/target/firmware/Makefile
@@ -66,11 +66,13 @@ compal_e86_ENVIRONMENTS=$(compal_COMMON_ENVIRONMENTS)
# Compal E99
compal_e99_OBJS=$(compal_COMMON_OBJS) board/compal_e99/init.o battery/dummy.o $(FB_e99_OBJS)
-compal_e99_ENVIRONMENTS=$(compal_COMMON_ENVIRONMENTS)
+compal_e99_ENVIRONMENTS=$(compal_COMMON_ENVIRONMENTS) e99loader e99flash
e99loader_LDS=board/compal_e99/loader.lds
-e99loader_OBJS=board/compal/header.o
+e99loader_OBJS=board/compal/start.rom.o board/compal/header.o board/compal/exceptions_redirect.o
+
e99flash_LDS=board/compal_e99/flash.lds
+e99flash_OBJS=board/compal/start.rom.o board/compal/header.o board/compal/exceptions_redirected.o board/compal/handlers.o
# Sony Ericsson J100 (made by Compal)
@@ -99,10 +101,10 @@ ANY_APP_LIBS+=calypso/libcalypso.a layer1/liblayer1.a lib/libmini.a comm/libcomm
-include Makefile.inc
# Uncomment this line if you want to enable Tx (Transmit) Support.
-#CFLAGS += -DCONFIG_TX_ENABLE
+CFLAGS += -DCONFIG_TX_ENABLE
# Uncomment this line if you want to write to flash.
-#CFLAGS += -DCONFIG_FLASH_WRITE
+CFLAGS += -DCONFIG_FLASH_WRITE
# Uncomment this line if you want to write to flash, including the bootloader.
-#CFLAGS += -DCONFIG_FLASH_WRITE_LOADER
+CFLAGS += -DCONFIG_FLASH_WRITE_LOADER
diff --git a/src/target/firmware/board/compal_e99/flash.lds b/src/target/firmware/board/compal_e99/flash.lds
new file mode 100644
index 0000000..1cf189f
--- /dev/null
+++ b/src/target/firmware/board/compal_e99/flash.lds
@@ -0,0 +1,134 @@
+/*
+ * Linker script for flashed applications on the Compal E99
+ *
+ * This script creates a binary that can be linked at 0xFFFF, starting
+ * with the second flash page. This is what a phone application or
+ * pure layer1 device uses.
+ *
+ * XXX: interrupts?
+ *
+ */
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+MEMORY
+{
+ LOADR (rx) : ORIGIN = 0x00000000, LENGTH = 0x30000
+ /* 2 MBytes of external flash memory (minus loader) */
+ FLASH (rx) : ORIGIN = 0x00030000, LENGTH = 0x1F0000
+ /* 256 kBytes of internal zero-waitstate sram */
+ IRAM (rw) : ORIGIN = 0x00800000, LENGTH = 0x040000
+ /* 256 kBytes of external slow sram */
+ ERAM (rw) : ORIGIN = 0x01000000, LENGTH = 0x040000
+}
+SECTIONS
+{
+ /* entrypoint */
+ .text.start : {
+ PROVIDE(_start = .);
+ KEEP(*(.text.start))
+ *(.text.start)
+ } > FLASH
+
+ /* exception vectors from 0x80001c to 0x800034 */
+ .text.exceptions 0x80001c : {
+ KEEP(*(.text.exceptions))
+ * (.text.exceptions)
+ . = ALIGN(4);
+ } > IRAM AT> FLASH
+ PROVIDE(_exceptions = LOADADDR(.text.exceptions));
+
+ /* code */
+ .text : {
+ /* regular code */
+ *(.text*)
+ /* gcc voodoo */
+ *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
+ } > FLASH
+ PROVIDE(_text_start = ADDR(.text));
+ PROVIDE(_text_end = ADDR(.text) + SIZEOF(.text));
+
+ /* constructor pointers */
+ .ctors : {
+ /* ctor count */
+ LONG(SIZEOF(.ctors) / 4 - 2)
+ /* ctor pointers */
+ KEEP(*(SORT(.ctors)))
+ /* end of list */
+ LONG(0)
+ } > FLASH
+ PROVIDE(_ctor_start = LOADADDR(.ctors));
+ PROVIDE(_ctor_end = LOADADDR(.ctors) + SIZEOF(.ctors));
+
+ /* destructor pointers */
+ .dtors : {
+ /* dtor count */
+ LONG(SIZEOF(.dtors) / 4 - 2)
+ /* dtor pointers */
+ KEEP(*(SORT(.dtors)))
+ /* end of list */
+ LONG(0)
+ } > FLASH
+ PROVIDE(_dtor_start = LOADADDR(.dtors));
+ PROVIDE(_dtor_end = LOADADDR(.dtors) + SIZEOF(.dtors));
+
+ /* read-only data */
+ .rodata : {
+ *(.rodata*)
+ } > FLASH
+ PROVIDE(_rodata_start = ADDR(.rodata));
+ PROVIDE(_rodata_end = ADDR(.rodata) + SIZEOF(.rodata));
+
+ /* pic offset tables */
+ .got : {
+ . = ALIGN(4);
+ *(.got)
+ *(.got.plt) *(.igot.plt) *(.got) *(.igot)
+ . = ALIGN(4);
+ } > FLASH
+ PROVIDE(_got_start = ADDR(.got));
+ PROVIDE(_got_end = ADDR(.got) + SIZEOF(.got));
+
+ /* reserved ram */
+ .compal.reservedram 0x800000 (NOLOAD) : {
+ . = 0xff;
+ } > IRAM
+
+ /* initialized data */
+ .data : AT (LOADADDR(.got) + SIZEOF(.got)) {
+ . = ALIGN(4);
+ *(.data)
+ . = ALIGN(4);
+ } > IRAM
+ PROVIDE(__data_start = LOADADDR(.data));
+ PROVIDE(__data_end = LOADADDR(.data) + SIZEOF(.data));
+ PROVIDE(_data_start = ADDR(.data));
+ PROVIDE(_data_end = ADDR(.data) + SIZEOF(.data));
+
+ /* ram code */
+ .ramtext : AT (LOADADDR(.data) + SIZEOF(.data)) {
+ . = ALIGN(4);
+ *(.ramtext)
+ . = ALIGN(4);
+ } > IRAM
+ PROVIDE(__ramtext_start = LOADADDR(.ramtext));
+ PROVIDE(__ramtext_end = LOADADDR(.ramtext) + SIZEOF(.ramtext));
+ PROVIDE(_ramtext_start = ADDR(.ramtext));
+ PROVIDE(_ramtext_end = ADDR(.ramtext) + SIZEOF(.ramtext));
+
+ /* uninitialized data */
+ .bss (NOLOAD) : {
+ . = ALIGN(4);
+ *(.bss)
+ . = ALIGN(4);
+ } > IRAM
+ PROVIDE(__bss_start = ADDR(.bss));
+ PROVIDE(__bss_end = ADDR(.bss) + SIZEOF(.bss));
+ PROVIDE(_bss_start = __bss_start);
+ PROVIDE(_bss_end = __bss_end);
+
+ /* end of image */
+ . = ALIGN(4);
+ _end = .;
+ PROVIDE(end = .);
+}
diff --git a/src/target/firmware/board/compal_e99/loader.lds b/src/target/firmware/board/compal_e99/loader.lds
new file mode 100644
index 0000000..bb117a8
--- /dev/null
+++ b/src/target/firmware/board/compal_e99/loader.lds
@@ -0,0 +1,147 @@
+/*
+ * Linker script for flashed loader on the Compal E99
+ *
+ * This script creates a binary that can replace a standard firmware
+ * located at 0x20000. It works in conjunction with the compal ramloader.
+ *
+ * The interrupt vectors and start address are at known, fixed offsets.
+ *
+ */
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+MEMORY
+{
+ /* 2 MBytes of external flash memory */
+ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x200000
+ /* 256 kBytes of internal zero-waitstate sram */
+ IRAM (rw) : ORIGIN = 0x00800000, LENGTH = 0x040000
+ /* 256 kBytes of external slow sram */
+ ERAM (rw) : ORIGIN = 0x01000000, LENGTH = 0x040000
+}
+SECTIONS
+{
+ /* Provide symbols for the compal loader */
+ .compal.loader 0x00000000 (NOLOAD) : {
+ _compal_loader_start = .;
+ . = 0x2000;
+ _compal_loader_end = .;
+ } > FLASH
+
+ /* Compal-style image header */
+ .compal.header 0x00020000 : {
+ _compal_header_start = .;
+ KEEP(*(.compal.header))
+ *(.compal.header)
+ . = 0xA0;
+ _compal_header_end = .;
+ } > FLASH
+
+ /* Compal-style vector table */
+ .compal.vectors 0x000200A0 : {
+ PROVIDE(_exceptions = .);
+ KEEP(*(.text.exceptions))
+ *(.text.exceptions)
+ } > FLASH
+
+ /* Compal-style entry point */
+ .text.start 0x000200F8 : {
+ PROVIDE(_start = .);
+ KEEP(*(.text.start))
+ *(.text.start)
+ } > FLASH
+
+ /* code */
+ .text : {
+ /* regular code */
+ *(.text*)
+ /* gcc voodoo */
+ *(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
+ } > FLASH
+ PROVIDE(_text_start = ADDR(.text));
+ PROVIDE(_text_end = ADDR(.text) + SIZEOF(.text));
+
+ /* constructor pointers */
+ .ctors : {
+ /* ctor count */
+ LONG(SIZEOF(.ctors) / 4 - 2)
+ /* ctor pointers */
+ KEEP(*(SORT(.ctors)))
+ /* end of list */
+ LONG(0)
+ } > FLASH
+ PROVIDE(_ctor_start = LOADADDR(.ctors));
+ PROVIDE(_ctor_end = LOADADDR(.ctors) + SIZEOF(.ctors));
+
+ /* destructor pointers */
+ .dtors : {
+ /* dtor count */
+ LONG(SIZEOF(.dtors) / 4 - 2)
+ /* dtor pointers */
+ KEEP(*(SORT(.dtors)))
+ /* end of list */
+ LONG(0)
+ } > FLASH
+ PROVIDE(_dtor_start = LOADADDR(.dtors));
+ PROVIDE(_dtor_end = LOADADDR(.dtors) + SIZEOF(.dtors));
+
+ /* read-only data */
+ .rodata : {
+ *(.rodata*)
+ } > FLASH
+ PROVIDE(_rodata_start = ADDR(.rodata));
+ PROVIDE(_rodata_end = ADDR(.rodata) + SIZEOF(.rodata));
+
+ /* pic offset tables */
+ .got : {
+ . = ALIGN(4);
+ *(.got)
+ *(.got.plt) *(.igot.plt) *(.got) *(.igot)
+ . = ALIGN(4);
+ } > FLASH
+ PROVIDE(_got_start = ADDR(.got));
+ PROVIDE(_got_end = ADDR(.got) + SIZEOF(.got));
+
+ /* reserved ram */
+ .compal.reservedram 0x800000 (NOLOAD) : {
+ . = 0xff;
+ } > IRAM
+
+ /* initialized data */
+ .data : AT (LOADADDR(.got) + SIZEOF(.got)) {
+ . = ALIGN(4);
+ *(.data)
+ . = ALIGN(4);
+ } > IRAM
+ PROVIDE(__data_start = LOADADDR(.data));
+ PROVIDE(__data_end = LOADADDR(.data) + SIZEOF(.data));
+ PROVIDE(_data_start = ADDR(.data));
+ PROVIDE(_data_end = ADDR(.data) + SIZEOF(.data));
+
+ /* ram code */
+ .ramtext : AT (LOADADDR(.data) + SIZEOF(.data)) {
+ . = ALIGN(4);
+ *(.ramtext)
+ . = ALIGN(4);
+ } > IRAM
+ PROVIDE(__ramtext_start = LOADADDR(.ramtext));
+ PROVIDE(__ramtext_end = LOADADDR(.ramtext) + SIZEOF(.ramtext));
+ PROVIDE(_ramtext_start = ADDR(.ramtext));
+ PROVIDE(_ramtext_end = ADDR(.ramtext) + SIZEOF(.ramtext));
+
+ /* uninitialized data */
+ .bss (NOLOAD) : {
+ . = ALIGN(4);
+ *(.bss)
+ . = ALIGN(4);
+ } > IRAM
+ PROVIDE(__bss_start = ADDR(.bss));
+ PROVIDE(__bss_end = ADDR(.bss) + SIZEOF(.bss));
+ PROVIDE(_bss_start = __bss_start);
+ PROVIDE(_bss_end = __bss_end);
+
+ /* end of image */
+ . = ALIGN(4);
+ _end = .;
+ PROVIDE(end = .);
+}
--
1.7.3.4
--------------060605070405050509030107--