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Add dedicated section for pdm buffer #13

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Merged
merged 2 commits into from
Mar 8, 2021
Merged

Add dedicated section for pdm buffer #13

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add6f2f
Add dedicated section for pdm buffer
pennam Mar 3, 2021
94ed3e9
Fix __OPENAMP_region_end__ address
pennam Mar 8, 2021
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3 changes: 2 additions & 1 deletion .../TARGET_STM32H7/TARGET_STM32H747xI/TARGET_PORTENTA_H7_M4/TOOLCHAIN_GCC_ARM/STM32H747xI.ld
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,8 @@ MEMORY
{
RAM (xrw) : ORIGIN = RAM_START + 0x298, LENGTH = RAM_SIZE - 0x298
OPENAMP_RSC_TAB (rwx) : ORIGIN = 0x38000000, LENGTH = 1K
OPEN_AMP_SHMEM (rwx) : ORIGIN = 0x38000400, LENGTH = 63K
OPEN_AMP_SHMEM (rwx) : ORIGIN = 0x38000400, LENGTH = 62K
/*PDM_MEM (rwx) : ORIGIN = 0x3800FC00, LENGTH = 1K Reserved for PDM and M7 */
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
}
__OPENAMP_region_start__ = ORIGIN(OPEN_AMP_SHMEM);
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8 changes: 7 additions & 1 deletion .../TARGET_STM32H7/TARGET_STM32H747xI/TARGET_PORTENTA_H7_M7/TOOLCHAIN_GCC_ARM/STM32H747xI.ld
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,8 @@ MEMORY
RAM (xrw) : ORIGIN = RAM_START + 0x298, LENGTH = RAM_SIZE - 0x298
RAM_D2 (xrw) : ORIGIN = 0x30000000, LENGTH = 288K
OPENAMP_RSC_TAB (rwx) : ORIGIN = 0x38000000, LENGTH = 1K
OPEN_AMP_SHMEM (rwx) : ORIGIN = 0x38000400, LENGTH = 63K
OPEN_AMP_SHMEM (rwx) : ORIGIN = 0x38000400, LENGTH = 62K
PDM_MEM (xrw) : ORIGIN = 0x3800FC00, LENGTH = 1k
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
}
__OPENAMP_region_start__ = ORIGIN(OPEN_AMP_SHMEM);
Expand Down Expand Up @@ -192,6 +193,11 @@ SECTIONS
*(.resource_table)
} >OPENAMP_RSC_TAB AT > FLASH

.pdm_section (NOLOAD) : {
. = ABSOLUTE(0x3800FC00);
*(.pdm_buffer)
} > PDM_MEM

/* .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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