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ITE: soc: it8xxx2: add register build asserts to validate the offsets

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Add build asserts to validate the offsets are the expected value.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
This commit is contained in:
Tim Lin 2021-08-24 09:59:41 +08:00 • committed by Anas Nashif
commit 9938519c93
3 changed files with 28 additions and 0 deletions
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11
soc/riscv/riscv-ite/common/chip_chipregs.h
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@ -734,6 +734,17 @@
#define CLS BIT(1)
#define DLS BIT(0)
/*
* IT8XXX2 register structure size/offset checking macro function to mitigate
* the risk of unexpected compiling results.
*/
#define IT8XXX2_REG_SIZE_CHECK(reg_def, size) \
BUILD_ASSERT(sizeof(struct reg_def) == size, \
"Failed in size check of register structure!")
#define IT8XXX2_REG_OFFSET_CHECK(reg_def, member, offset) \
BUILD_ASSERT(offsetof(struct reg_def, member) == offset, \
"Failed in offset check of register structure member!")
/**
*
* (18xxh) PWM & SmartAuto Fan Control (PWM)