Add MCUBOOT linker changes

use better linker constant names
This commit is contained in:
Tim Keller 2021-08-19 00:14:42 +00:00
parent 55f8908769
commit 16502b788f
2 changed files with 16 additions and 5 deletions

View file

@ -3,14 +3,24 @@
SEARCH_DIR(.) SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys) GROUP(-lgcc -lc -lnosys)
NOINIT_SIZE = 0x100;
RAM_SIZE = 64K;
MEMORY MEMORY
{ {
FLASH (rx) : ORIGIN = 0x08020, LENGTH = 0x78000 FLASH (rx) : ORIGIN = 0x08020, LENGTH = 0x78000
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x10000 RAM (rwx) : ORIGIN = 0x20000000, LENGTH = RAM_SIZE - NOINIT_SIZE
NOINIT (rwx): ORIGIN = ORIGIN(RAM) + LENGTH(RAM), LENGTH = NOINIT_SIZE
} }
SECTIONS SECTIONS
{ {
noinit (NOLOAD):
{
PROVIDE(__start_noinit_data = .);
KEEP(*(.noinit))
PROVIDE(__stop_noinit_data = .);
} >NOINIT
} }
SECTIONS SECTIONS

View file

@ -3,13 +3,14 @@
SEARCH_DIR(.) SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys) GROUP(-lgcc -lc -lnosys)
NO_INIT_SIZE = 0x100; NOINIT_SIZE = 0x100;
RAM_MAX = 64K; RAM_SIZE = 64K;
MEMORY MEMORY
{ {
FLASH (rx) : ORIGIN = 0x00000, LENGTH = 0x78000 FLASH (rx) : ORIGIN = 0x00000, LENGTH = 0x78000
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = RAM_MAX - NO_INIT_SIZE RAM (rwx) : ORIGIN = 0x20000000, LENGTH = RAM_SIZE - NOINIT_SIZE
NOINIT (rwx): ORIGIN = ORIGIN(RAM) + LENGTH(RAM), LENGTH = NO_INIT_SIZE NOINIT (rwx): ORIGIN = ORIGIN(RAM) + LENGTH(RAM), LENGTH = NOINIT_SIZE
} }
SECTIONS SECTIONS