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Move noinit to after BSS segment,

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Now dynamically allocates noinit area size
stores it after the bss before the heap and stack.
This commit is contained in:
Tim Keller 2021-08-23 20:13:26 +00:00
parent c9dedfd402
commit 110c82c225
2 changed files with 11 additions and 18 deletions
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14
gcc_nrf52-mcuboot.ld
View file

@ -3,25 +3,21 @@
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 = RAM_SIZE - NOINIT_SIZE RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
NOINIT (rwx): ORIGIN = ORIGIN(RAM) + LENGTH(RAM), LENGTH = NOINIT_SIZE
} }
SECTIONS SECTIONS
{ {
noinit (NOLOAD): .noinit(NOLOAD):
{ {
PROVIDE(__start_noinit_data = .); PROVIDE(__start_noinit_data = .);
KEEP(*(.noinit)) *(.noinit)
PROVIDE(__stop_noinit_data = .); PROVIDE(__stop_noinit_data = .);
} >NOINIT } > RAM
} } INSERT AFTER .bss
SECTIONS SECTIONS
{ {

15
gcc_nrf52.ld
View file

@ -3,25 +3,21 @@
SEARCH_DIR(.) SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys) GROUP(-lgcc -lc -lnosys)
NOINIT_SIZE = 0x100;
RAM_SIZE = 64K;
MEMORY MEMORY
{ {
FLASH (rx) : ORIGIN = 0x00000, LENGTH = 0x78000 FLASH (rx) : ORIGIN = 0x00000, LENGTH = 0x78000
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = RAM_SIZE - NOINIT_SIZE RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
NOINIT (rwx): ORIGIN = ORIGIN(RAM) + LENGTH(RAM), LENGTH = NOINIT_SIZE
} }
SECTIONS SECTIONS
{ {
noinit (NOLOAD): .noinit(NOLOAD):
{ {
PROVIDE(__start_noinit_data = .); PROVIDE(__start_noinit_data = .);
KEEP(*(.noinit)) *(.noinit)
PROVIDE(__stop_noinit_data = .); PROVIDE(__stop_noinit_data = .);
} >NOINIT } > RAM
} } INSERT AFTER .bss
SECTIONS SECTIONS
{ {
@ -54,6 +50,7 @@ SECTIONS
PROVIDE(__stop_log_filter_data = .); PROVIDE(__stop_log_filter_data = .);
} > RAM } > RAM
} INSERT AFTER .data; } INSERT AFTER .data;
SECTIONS SECTIONS