| // Copyright 2016 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| // +build mips64 mips64le | |
| #include "textflag.h" | |
| /* | |
| * void crosscall2(void (*fn)(void*, int32, uintptr), void*, int32, uintptr) | |
| * Save registers and call fn with two arguments. | |
| */ | |
| TEXT crosscall2(SB),NOSPLIT|NOFRAME,$0 | |
| /* | |
| * We still need to save all callee save register as before, and then | |
| * push 3 args for fn (R5, R6, R7). | |
| * Also note that at procedure entry in gc world, 8(R29) will be the | |
| * first arg. | |
| */ | |
| #ifndef GOMIPS64_softfloat | |
| ADDV $(-8*23), R29 | |
| #else | |
| ADDV $(-8*15), R29 | |
| #endif | |
| MOVV R5, (8*1)(R29) // void* | |
| MOVW R6, (8*2)(R29) // int32 | |
| MOVV R7, (8*3)(R29) // uintptr | |
| MOVV R16, (8*4)(R29) | |
| MOVV R17, (8*5)(R29) | |
| MOVV R18, (8*6)(R29) | |
| MOVV R19, (8*7)(R29) | |
| MOVV R20, (8*8)(R29) | |
| MOVV R21, (8*9)(R29) | |
| MOVV R22, (8*10)(R29) | |
| MOVV R23, (8*11)(R29) | |
| MOVV RSB, (8*12)(R29) | |
| MOVV g, (8*13)(R29) | |
| MOVV R31, (8*14)(R29) | |
| #ifndef GOMIPS64_softfloat | |
| MOVD F24, (8*15)(R29) | |
| MOVD F25, (8*16)(R29) | |
| MOVD F26, (8*17)(R29) | |
| MOVD F27, (8*18)(R29) | |
| MOVD F28, (8*19)(R29) | |
| MOVD F29, (8*20)(R29) | |
| MOVD F30, (8*21)(R29) | |
| MOVD F31, (8*22)(R29) | |
| #endif | |
| // Initialize Go ABI environment | |
| // prepare SB register = PC & 0xffffffff00000000 | |
| BGEZAL R0, 1(PC) | |
| SRLV $32, R31, RSB | |
| SLLV $32, RSB | |
| JAL runtime·load_g(SB) | |
| JAL (R4) | |
| MOVV (8*4)(R29), R16 | |
| MOVV (8*5)(R29), R17 | |
| MOVV (8*6)(R29), R18 | |
| MOVV (8*7)(R29), R19 | |
| MOVV (8*8)(R29), R20 | |
| MOVV (8*9)(R29), R21 | |
| MOVV (8*10)(R29), R22 | |
| MOVV (8*11)(R29), R23 | |
| MOVV (8*12)(R29), RSB | |
| MOVV (8*13)(R29), g | |
| MOVV (8*14)(R29), R31 | |
| #ifndef GOMIPS64_softfloat | |
| MOVD (8*15)(R29), F24 | |
| MOVD (8*16)(R29), F25 | |
| MOVD (8*17)(R29), F26 | |
| MOVD (8*18)(R29), F27 | |
| MOVD (8*19)(R29), F28 | |
| MOVD (8*20)(R29), F29 | |
| MOVD (8*21)(R29), F30 | |
| MOVD (8*22)(R29), F31 | |
| ADDV $(8*23), R29 | |
| #else | |
| ADDV $(8*15), R29 | |
| #endif | |
| RET |