// license that can be found in the LICENSE file.

//go:build mips64 || mips64le

#include "textflag.h"

#define SYNC	WORD $0xf

TEXT ·publicationBarrier(SB),NOSPLIT|NOFRAME,$0-0
	SYNC

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "textflag.h"
#include "cgo/abi_loong64.h"

TEXT _rt0_loong64_linux(SB),NOSPLIT|NOFRAME,$0
	// In a statically linked binary, the stack contains argc,
	// argv as argc string pointers followed by a NULL, envv as a
	// sequence of string pointers followed by a NULL, and auxv.
	// There is no TLS base pointer.

// instructions, use:
//
//	TEXT ·publicationBarrier(SB),NOSPLIT|NOFRAME,$0-0
//		B	runtime·armPublicationBarrier(SB)
//
TEXT runtime·armPublicationBarrier(SB),NOSPLIT|NOFRAME,$0-0
	MOVB	runtime·goarm(SB), R11
	CMP	$7, R11
	BLT	2(PC)
	DMB	MB_ST
	RET

// AES hashing not implemented for ARM
TEXT runtime·memhash(SB),NOSPLIT|NOFRAME,$0-16
	JMP	runtime·memhashFallback(SB)

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "textflag.h"

// func syncIcache(p uintptr)
TEXT main·syncIcache(SB), NOSPLIT|NOFRAME, $0-0
	SYNC
	MOVD (R3), R3
	ICBI (R3)
	ISYNC

// license that can be found in the LICENSE file.

//go:build (mips64 || mips64le) && gc

#include "textflag.h"

#define SYNC	WORD $0xf

TEXT ·RewindAndSetgid(SB),NOSPLIT|NOFRAME,$0-0
	// Rewind stack pointer so anything that happens on the stack
	// will clobber the test pattern created by the caller
	ADDV	$(1024*8), R29

	// Ask signaller to setgid
	MOVW	$1, R1
	SYNC
	MOVW	R1, ·Baton(SB)

// So we don't need memory barriers if goarm < 7. And we fail loud at
// startup (runtime.checkgoarm) if it is a multi-processor but goarm < 7.

TEXT	·Load(SB),NOSPLIT|NOFRAME,$0-8
	MOVW	addr+0(FP), R0
	MOVW	(R0), R1

	MOVB	runtime·goarm(SB), R11
	CMP	$7, R11
	BLT	2(PC)
	DMB	MB_ISH

	MOVW	R1, ret+4(FP)
	RET

TEXT	·Store(SB),NOSPLIT,$0-8
	MOVW	addr+0(FP), R1

TEXT runtime·sigresume(SB),NOSPLIT|NOFRAME,$0
	// Important: do not smash LR,
	// which is set to a live value when handling
	// a signal by pushing a call to sigpanic onto the stack.
	MOVD	R0, RSP
	B	(R1)

TEXT runtime·exceptiontramp(SB),NOSPLIT|NOFRAME,$0
	MOVD	$const_callbackVEH, R1
	B	sigtramp<>(SB)

TEXT runtime·firstcontinuetramp(SB),NOSPLIT|NOFRAME,$0
	MOVD	$const_callbackFirstVCH, R1

	RET

TEXT runtime·abort(SB),NOSPLIT|NOFRAME,$0-0
	MOVW	(R0), R0
	UNDEF

// AES hashing not implemented for loong64
TEXT runtime·memhash<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-32
	JMP	runtime·memhashFallback<ABIInternal>(SB)
TEXT runtime·strhash<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-24
	JMP	runtime·strhashFallback<ABIInternal>(SB)
TEXT runtime·memhash32<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-24

// license that can be found in the LICENSE file.

//go:build gc

#include "textflag.h"

TEXT cas<>(SB),NOSPLIT,$0
	MOVW	$0xffff0fc0, R15 // R15 is PC

TEXT ·RewindAndSetgid(SB),NOSPLIT|NOFRAME,$0-0
	// Save link register
	MOVW	R14, R4

	// Rewind stack pointer so anything that happens on the stack
	// will clobber the test pattern created by the caller
	ADD	$(1024 * 8), R13

	// Ask signaller to setgid

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build ppc64 || ppc64le

#include "textflag.h"

TEXT ·publicationBarrier(SB),NOSPLIT|NOFRAME,$0-0
	// LWSYNC is the "export" barrier recommended by Power ISA
	// v2.07 book II, appendix B.2.2.2.
	// LWSYNC is a load/load, load/store, and store/store barrier.
	LWSYNC