Xtensa GPR and ABI
来自Jack's Lab
(版本间的差异)
(→Overview) |
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第4行: | 第4行: | ||
* windowed register ABI, works with the Windowed Register Option | * windowed register ABI, works with the Windowed Register Option | ||
− | * CALL0 ABI, | + | * CALL0 ABI, used with any Xtensa processor (worse performance) |
<br><br> | <br><br> |
2016年11月16日 (三) 11:06的版本
目录 |
1 Overview
Two different ABI:
- windowed register ABI, works with the Windowed Register Option
- CALL0 ABI, used with any Xtensa processor (worse performance)
2 GPR usage
2.1 Argument passing
2.2 Return value