meshtastic-firmware/linker/nrf52840_s140_sim832.ld

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2020-06-16 22:01:39 +00:00
/* Linker script to configure memory regions.
geeksville: modified this to simulate a nrf52832 but with a sd140 soft device. So I can
see how the memory footprint works on this lower end CPU. Note: to work with sd140 in my bootloader
I need to start ram at 0x6000 (instead of the correct 0x3600 for sd132) - so I have less
RAM available than on a real 832.
*/
SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys)
MEMORY
{
FLASH (rx) : ORIGIN = 0x26000, LENGTH = 0x6D000 - 0x26000
/* FLASH (rx) : ORIGIN = 0x26000, LENGTH = 0xED000 - 0x26000 */
/* SRAM required by S132 depend on
* - Attribute Table Size
* - Vendor UUID count
* - Max ATT MTU
* - Concurrent connection peripheral + central + secure links
* - Event Len, HVN queue, Write CMD queue
*/
/* RAM (rwx) : ORIGIN = 0x20003600, LENGTH = 0x20010000 - 0x20003600 */
RAM (rwx) : ORIGIN = 0x20006000, LENGTH = 0x20010000 - 0x20006000
}
SECTIONS
{
. = ALIGN(4);
.svc_data :
{
PROVIDE(__start_svc_data = .);
KEEP(*(.svc_data))
PROVIDE(__stop_svc_data = .);
} > RAM
.fs_data :
{
PROVIDE(__start_fs_data = .);
KEEP(*(.fs_data))
PROVIDE(__stop_fs_data = .);
} > RAM
} INSERT AFTER .data;
INCLUDE "nrf52_common.ld"