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STM32F303xC: correct RAM size #15378

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merged 3 commits into from
Jan 26, 2023
Merged

STM32F303xC: correct RAM size #15378

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8c8aa1c
arm pack manager file style update
jeromecoutant Jan 23, 2023
495506d
STM32F303xC: correct RAM size
jeromecoutant Jan 23, 2023
1ce13cb
STM32F303xC: add RAM_CCM in GCC linker script
jeromecoutant Jan 23, 2023
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17 changes: 13 additions & 4 deletions targets/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xC/TOOLCHAIN_GCC_ARM/STM32F303XC.ld
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Original file line number Diff line number Diff line change
Expand Up @@ -37,8 +37,9 @@

MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = MBED_RAM_START + VECTORS_SIZE, LENGTH = MBED_RAM_SIZE - VECTORS_SIZE
RAM_CCM (rwx) : ORIGIN = MBED_RAM1_START, LENGTH = MBED_RAM1_SIZE
}

/* Linker script to place sections and symbol values. Should be used together
Expand Down Expand Up @@ -113,7 +114,7 @@ SECTIONS

__etext = .;
_sidata = .;

.data : AT (__etext)
{
__data_start__ = .;
Expand Down Expand Up @@ -161,7 +162,7 @@ SECTIONS
. = ALIGN(32);
__uninitialized_end = .;
} > RAM

.bss :
{
. = ALIGN(8);
Expand All @@ -183,6 +184,14 @@ SECTIONS
__HeapLimit = .;
} > RAM

.ram_ccm_section (NOLOAD):
{
__ram_ccm_start__ = .;
*(.RAM_CCM_section)
. = ORIGIN(RAM_CCM) + LENGTH(RAM_CCM);
__ram_ccm_end__ = .;
} >RAM_CCM

/* .stack_dummy section doesn't contains any symbols. It is only
* used for linker to calculate size of stack sections, and assign
* values to stack symbols later */
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2 changes: 1 addition & 1 deletion targets/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xC/cmsis_nvic.h
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@
#endif

#if !defined(MBED_RAM_SIZE)
#define MBED_RAM_SIZE 0xc000 // 48 KB
#define MBED_RAM_SIZE 0xa000 // 40 KB
#endif

#if !defined(MBED_RAM1_START)
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