blob: 19e901443e1fe9c043944658fc4e29e37bbdd94c [file] [log] [blame]
// 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,$-8
* 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.
ADDV $(-8*23), R29
MOVV R5, (8*1)(R29)
MOVV R6, (8*2)(R29)
MOVV R7, (8*3)(R29)
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)
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)
// Initialize Go ABI environment
// prepare SB register = PC & 0xffffffff00000000
SRLV $32, R31, RSB
JAL runtimeĀ·reginit(SB)
JAL runtimeĀ·load_g(SB)
JAL (R4)
MOVV (8*1)(R29), R5
MOVV (8*2)(R29), R6
MOVV (8*3)(R29), R7
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
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