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arm64/sve: Add some comments for sve_save/load_state()
The use of macros for the actual function bodies means legibility is always going to be a bit of a challenge, especially while we can't rely on SVE support in the toolchain, but this helps a little. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20210812201143.35578-1-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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@ -33,11 +33,24 @@ SYM_FUNC_END(fpsimd_load_state)
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#ifdef CONFIG_ARM64_SVE
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/*
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* Save the SVE state
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*
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* x0 - pointer to buffer for state
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* x1 - pointer to storage for FPSR
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*/
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SYM_FUNC_START(sve_save_state)
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sve_save 0, x1, 2
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ret
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SYM_FUNC_END(sve_save_state)
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/*
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* Load the SVE state
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*
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* x0 - pointer to buffer for state
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* x1 - pointer to storage for FPSR
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* x2 - VQ-1
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*/
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SYM_FUNC_START(sve_load_state)
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sve_load 0, x1, x2, 3, x4
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ret
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