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lib: Update samd21 code with local changes

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A minor change is necessary to work with GCC's -flto and to work with
common bootloaders.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2018-07-27 19:21:02 -04:00
parent 5633e6c249
commit 71db5fbe31
4 changed files with 31 additions and 3 deletions
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2
lib/samd21/samd21a/gcc/gcc/samd21g18a_flash.ld
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@@ -35,7 +35,7 @@ SEARCH_DIR(.)
/* Memory Spaces Definitions */
MEMORY
{
rom (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000
rom (rx) : ORIGIN = 0x00000000 + FLASH_START , LENGTH = 0x00040000 - FLASH_START
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000
}

2
lib/samd21/samd21a/gcc/gcc/startup_samd21.c
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@@ -105,7 +105,7 @@ void PTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler
void I2S_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
/* Exception Table */
__attribute__ ((section(".vectors")))
__attribute__ ((section(".vectors"))) __attribute__((externally_visible))
const DeviceVectors exception_table = {
/* Configure Initial Stack Pointer, using linker-generated symbols */