diff options
| author | Keith Packard <keithp@keithp.com> | 2013-03-11 13:21:04 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-05-07 20:16:36 -0700 |
| commit | b1a43ce313c85cb7f8f16f7f0647d9d4320ba692 (patch) | |
| tree | 932b1768bc85c5ef5865d6acd61eac22a8584dcc /src/stm/altos-loader.ld | |
| parent | 56a7cbbf51f5c9ebbfe17d1cc30ed807572af3cc (diff) | |
altos: Clean up boot loader support
Split out code into separate files.
Add support for getting back to boot loader from application.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/stm/altos-loader.ld')
| -rw-r--r-- | src/stm/altos-loader.ld | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/stm/altos-loader.ld b/src/stm/altos-loader.ld index 50a425c7..2e36dce9 100644 --- a/src/stm/altos-loader.ld +++ b/src/stm/altos-loader.ld @@ -48,9 +48,20 @@ SECTIONS { } > rom __text_end__ = .; + /* Boot data which must live at the start of ram so that + * the application and bootloader share the same addresses. + * This must be all uninitialized data + */ + .boot : { + __boot_start__ = .; + *(.boot) + . = ALIGN(4); + __boot_end__ = .; + } >ram + /* Functions placed in RAM (required for flashing) */ .textram : { - __text_ram_start = .; + __text_ram_start__ = .; __data_start__ = .; *(.text.ram) . = ALIGN(4); |