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| author | Vadim Bendebury <vbendeb@chromium.org> | 2017-01-08 16:13:08 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-01-09 23:47:07 -0800 |
| commit | 618b127c4903a171731730b4b53472f8c645e543 (patch) | |
| tree | 2fb79e89acc095d2460c215d2a562d0f00e749f6 /test | |
| parent | 8734b70ff56e48900e4aaa68c1c56e84d60ce2ac (diff) | |
| download | chrome-ec-618b127c4903a171731730b4b53472f8c645e543.tar.gz | |
nvmem_vars: use dynamic memory allocation
To avoid SRAM footprint, let's use dynamic memory allocation in
nvram_vars. No one is using this module yet, but the cr50 use case is
coming up.
BRANCH=none
BUG=chrome-os-partner:61107
TEST=make buildall -j passes
Change-Id: I21534430217ad387a3787fcc127da596a1b48e03
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/426088
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Diffstat (limited to 'test')
| -rw-r--r-- | test/nvmem_vars.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/test/nvmem_vars.c b/test/nvmem_vars.c index 1ea2a312c6..56b96ef054 100644 --- a/test/nvmem_vars.c +++ b/test/nvmem_vars.c @@ -21,15 +21,29 @@ uint32_t nvmem_user_sizes[] = { }; BUILD_ASSERT(ARRAY_SIZE(nvmem_user_sizes) == NVMEM_NUM_USERS); -/* Internal functions exported for test */ -void release_local_copy(void); - /****************************************************************************/ /* Mock the flash storage */ static uint8_t ram_buffer[CONFIG_FLASH_NVMEM_VARS_USER_SIZE]; static uint8_t flash_buffer[CONFIG_FLASH_NVMEM_VARS_USER_SIZE]; +extern char *rbuf; + +/* Internal functions exported for test */ +void release_local_copy(void) +{ + rbuf = NULL; +} + +int get_local_copy(void) +{ + if (!rbuf) { + memcpy(ram_buffer, flash_buffer, sizeof(ram_buffer)); + rbuf = (char *)ram_buffer; + } + return EC_SUCCESS; +} + int nvmem_read(uint32_t startOffset, uint32_t size, void *data_, enum nvmem_users user) { |