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commit 5f9d9ba44cc43729a5c6a43ca4abf6531f99d3b0 Author: Abdelatif Guettouche <[email protected]> AuthorDate: Fri Nov 27 11:17:07 2020 +0000 arch/xtensa/src/common/xtensa_context.S: Don't save CALL0 ABI callee-saved registers. Signed-off-by: Abdelatif Guettouche <[email protected]> --- arch/xtensa/src/common/xtensa_context.S | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/xtensa/src/common/xtensa_context.S b/arch/xtensa/src/common/xtensa_context.S index ef47c06..95f3321 100644 --- a/arch/xtensa/src/common/xtensa_context.S +++ b/arch/xtensa/src/common/xtensa_context.S @@ -126,12 +126,14 @@ _xtensa_context_save: s32i a10, a2, (4 * REG_A10) s32i a11, a2, (4 * REG_A11) - /* Call0 ABI callee-saved regs a12-15 */ + /* Call0 ABI callee-saved regs a12-15 do not need to be saved here */ +#ifndef __XTENSA_CALL0_ABI__ s32i a12, a2, (4 * REG_A12) s32i a13, a2, (4 * REG_A13) s32i a14, a2, (4 * REG_A14) s32i a15, a2, (4 * REG_A15) +#endif rsr a3, SAR s32i a3, a2, (4 * REG_SAR) @@ -482,10 +484,12 @@ _xtensa_context_restore: /* Call0 ABI callee-saved regs a12-15 */ +#ifndef __XTENSA_CALL0_ABI__ l32i a12, a2, (4 * REG_A12) l32i a13, a2, (4 * REG_A13) l32i a14, a2, (4 * REG_A14) l32i a15, a2, (4 * REG_A15) +#endif ret
