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| author | Nicolas Boichat <drinkcat@chromium.org> | 2019-01-23 15:13:01 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2019-02-18 08:51:20 -0800 |
| commit | 0528c46598c8c89f04b7129722de50e178b62aa2 (patch) | |
| tree | 9afe729c302f433174b1f8bcecfeaf206d5cb554 /include/link_defs.h | |
| parent | 80020d90d17ac1507abcefe9004ed6ae8cb9728d (diff) | |
| download | chrome-ec-0528c46598c8c89f04b7129722de50e178b62aa2.tar.gz | |
core: Allow .bss and .data sections in DRAM
We manually copy other .data from the original section on boot, and
clear DRAM .bss.
This way, a single object file (or archive) can be moved fully to
DRAM.
BRANCH=none
BUG=b:122058243
TEST=With next CL, dram_test works
Change-Id: I1a434bbd8a4135d16b3f49b0d1b75b96506e3e24
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1445652
Reviewed-by: Jett Rink <jettrink@chromium.org>
Diffstat (limited to 'include/link_defs.h')
| -rw-r--r-- | include/link_defs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/link_defs.h b/include/link_defs.h index 37049a36eb..a9bd0bcf9b 100644 --- a/include/link_defs.h +++ b/include/link_defs.h @@ -108,6 +108,13 @@ extern const void *__data_lma_start; extern const void *__data_start; extern const void *__data_end; +/* DRAM image sections. */ +extern const void *__dram_data_lma_start; +extern void *__dram_data_start; +extern void *__dram_data_end; +extern void *__dram_bss_start; +extern void *__dram_bss_end; + /* Helper for special chip-specific memory sections */ #ifdef CONFIG_CHIP_MEMORY_REGIONS #define __SECTION(name) __attribute__((section("." STRINGIFY(name) ".50_auto"))) |