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| author | Damien George <damien.p.george@gmail.com> | 2017-01-30 17:47:11 +1100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2017-01-30 17:47:11 +1100 |
| commit | 6b12934fecdf531f9199b835cff1c2dd501d149b (patch) | |
| tree | 86eff11866c78d162c6497ccd1b82c84fe6abf7f | |
| parent | a52635245491214a6fe92dc357ff214bd6ff8892 (diff) | |
| download | micropython-6b12934fecdf531f9199b835cff1c2dd501d149b.tar.gz micropython-6b12934fecdf531f9199b835cff1c2dd501d149b.zip | |
stmhal: Fix stack pointer initialisation for F411 and F429 boards.
The stack pointer should start pointing 1 byte past the top of the end of
RAM.
| -rw-r--r-- | stmhal/boards/stm32f411.ld | 8 | ||||
| -rw-r--r-- | stmhal/boards/stm32f429.ld | 8 |
2 files changed, 8 insertions, 8 deletions
diff --git a/stmhal/boards/stm32f411.ld b/stmhal/boards/stm32f411.ld index 823b5f56ad..0b7bcb553c 100644 --- a/stmhal/boards/stm32f411.ld +++ b/stmhal/boards/stm32f411.ld @@ -16,10 +16,10 @@ MEMORY _minimum_stack_size = 2K; _minimum_heap_size = 16K; -/* top end of the stack */ - -/*_stack_end = ORIGIN(RAM) + LENGTH(RAM);*/ -_estack = ORIGIN(RAM) + LENGTH(RAM) - 1; +/* Define tho top end of the stack. The stack is full descending so begins just + above last byte of RAM. Note that EABI requires the stack to be 8-byte + aligned for a call. */ +_estack = ORIGIN(RAM) + LENGTH(RAM); /* define common sections and symbols */ INCLUDE common.ld diff --git a/stmhal/boards/stm32f429.ld b/stmhal/boards/stm32f429.ld index d199f45508..0feb5bd621 100644 --- a/stmhal/boards/stm32f429.ld +++ b/stmhal/boards/stm32f429.ld @@ -16,10 +16,10 @@ MEMORY _minimum_stack_size = 2K; _minimum_heap_size = 16K; -/* top end of the stack */ - -/*_stack_end = ORIGIN(RAM) + LENGTH(RAM);*/ -_estack = ORIGIN(RAM) + LENGTH(RAM) - 1; +/* Define tho top end of the stack. The stack is full descending so begins just + above last byte of RAM. Note that EABI requires the stack to be 8-byte + aligned for a call. */ +_estack = ORIGIN(RAM) + LENGTH(RAM); /* define common sections and symbols */ INCLUDE common.ld |