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authorVic Yang <victoryang@chromium.org>2013-09-16 14:45:35 +0800
committerchrome-internal-fetch <chrome-internal-fetch@google.com>2013-09-17 03:22:12 +0000
commitd5e183f9e56d9e623885b163d9b71203d04880cf (patch)
treea3baabc92658407f296e69a4a308cd94d50e8c53 /core
parentcdd5c206cd2125983f83ef3a54470b5e99f82031 (diff)
downloadchrome-ec-d5e183f9e56d9e623885b163d9b71203d04880cf.tar.gz
Fake I2C device support for emulator
To test drivers, we need a way to fake I2C periphrals. With this CL, a fake peripheral can be done by declaring its own I2C read/write functions. The fake I2C peripherals may return EC_ERROR_INVAL to indicate it's not responding. The emulator I2C read/write call scans through all registered I2C peripherals and uses the first response. BUG=chrome-os-partner:19235 TEST=Pass sbs_charging test with the next CL. BRANCH=None Change-Id: I9380dc40e147781b42e09eb6979c864bbd9f2ac4 Signed-off-by: Vic Yang <victoryang@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/169511 Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'core')
-rw-r--r--core/host/host_exe.lds20
1 files changed, 20 insertions, 0 deletions
diff --git a/core/host/host_exe.lds b/core/host/host_exe.lds
index 15925213a7..48f2c6bc19 100644
--- a/core/host/host_exe.lds
+++ b/core/host/host_exe.lds
@@ -83,6 +83,26 @@ SECTIONS {
__deferred_funcs = .;
*(.rodata.deferred)
__deferred_funcs_end = .;
+
+ __test_i2c_read8 = .;
+ *(.rodata.test_i2c.read8)
+ __test_i2c_read8_end = .;
+
+ __test_i2c_write8 = .;
+ *(.rodata.test_i2c.write8)
+ __test_i2c_write8_end = .;
+
+ __test_i2c_read16 = .;
+ *(.rodata.test_i2c.read16)
+ __test_i2c_read16_end = .;
+
+ __test_i2c_write16 = .;
+ *(.rodata.test_i2c.write16)
+ __test_i2c_write16_end = .;
+
+ __test_i2c_read_string = .;
+ *(.rodata.test_i2c.read_string)
+ __test_i2c_read_string_end = .;
}
}
INSERT BEFORE .rodata;