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Diffstat (limited to 'sys/sparc64/include/asmacros.h')
| -rw-r--r-- | sys/sparc64/include/asmacros.h | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/sys/sparc64/include/asmacros.h b/sys/sparc64/include/asmacros.h deleted file mode 100644 index cb39694387e4..000000000000 --- a/sys/sparc64/include/asmacros.h +++ /dev/null @@ -1,226 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2001 Jake Burkholder. - * Copyright (c) 2011 Marius Strobl <marius@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#ifndef _MACHINE_ASMACROS_H_ -#define _MACHINE_ASMACROS_H_ - -#ifdef _KERNEL - -/* - * Normal and alternate %g6 point to the pcb of the current process. Normal, - * alternate and interrupt %g7 point to per-cpu data. - */ -#define PCB_REG %g6 -#define PCPU_REG %g7 - -/* - * Alternate %g5 points to a per-cpu panic stack, which is used as a last - * resort, and for temporarily saving alternate globals. - */ -#define ASP_REG %g5 - -#ifdef LOCORE - -/* - * Atomically decrement an integer in memory. - */ -#define ATOMIC_DEC_INT(r1, r2, r3) \ - lduw [r1], r2 ; \ -9: sub r2, 1, r3 ; \ - casa [r1] ASI_N, r2, r3 ; \ - cmp r2, r3 ; \ - bne,pn %icc, 9b ; \ - mov r3, r2 - -/* - * Atomically increment an integer in memory. - */ -#define ATOMIC_INC_INT(r1, r2, r3) \ - lduw [r1], r2 ; \ -9: add r2, 1, r3 ; \ - casa [r1] ASI_N, r2, r3 ; \ - cmp r2, r3 ; \ - bne,pn %icc, 9b ; \ - mov r3, r2 - -/* - * Atomically increment a long in memory. - */ -#define ATOMIC_INC_LONG(r1, r2, r3) \ - ldx [r1], r2 ; \ -9: add r2, 1, r3 ; \ - casxa [r1] ASI_N, r2, r3 ; \ - cmp r2, r3 ; \ - bne,pn %xcc, 9b ; \ - mov r3, r2 - -/* - * Atomically clear a number of bits of an integer in memory. - */ -#define ATOMIC_CLEAR_INT(r1, r2, r3, bits) \ - lduw [r1], r2 ; \ -9: andn r2, bits, r3 ; \ - casa [r1] ASI_N, r2, r3 ; \ - cmp r2, r3 ; \ - bne,pn %icc, 9b ; \ - mov r3, r2 - -/* - * Atomically clear a number of bits of a long in memory. - */ -#define ATOMIC_CLEAR_LONG(r1, r2, r3, bits) \ - ldx [r1], r2 ; \ -9: andn r2, bits, r3 ; \ - casxa [r1] ASI_N, r2, r3 ; \ - cmp r2, r3 ; \ - bne,pn %xcc, 9b ; \ - mov r3, r2 - -/* - * Atomically load an integer from memory. - */ -#define ATOMIC_LOAD_INT(r1, val) \ - clr val ; \ - casa [r1] ASI_N, %g0, val - -/* - * Atomically load a long from memory. - */ -#define ATOMIC_LOAD_LONG(r1, val) \ - clr val ; \ - casxa [r1] ASI_N, %g0, val - -/* - * Atomically set a number of bits of an integer in memory. - */ -#define ATOMIC_SET_INT(r1, r2, r3, bits) \ - lduw [r1], r2 ; \ -9: or r2, bits, r3 ; \ - casa [r1] ASI_N, r2, r3 ; \ - cmp r2, r3 ; \ - bne,pn %icc, 9b ; \ - mov r3, r2 - -/* - * Atomically set a number of bits of a long in memory. - */ -#define ATOMIC_SET_LONG(r1, r2, r3, bits) \ - ldx [r1], r2 ; \ -9: or r2, bits, r3 ; \ - casxa [r1] ASI_N, r2, r3 ; \ - cmp r2, r3 ; \ - bne,pn %xcc, 9b ; \ - mov r3, r2 - -/* - * Atomically store an integer in memory. - */ -#define ATOMIC_STORE_INT(r1, r2, r3, val) \ - lduw [r1], r2 ; \ -9: mov val, r3 ; \ - casa [r1] ASI_N, r2, r3 ; \ - cmp r2, r3 ; \ - bne,pn %icc, 9b ; \ - mov r3, r2 - -/* - * Atomically store a long in memory. - */ -#define ATOMIC_STORE_LONG(r1, r2, r3, val) \ - ldx [r1], r2 ; \ -9: mov val, r3 ; \ - casxa [r1] ASI_N, r2, r3 ; \ - cmp r2, r3 ; \ - bne,pn %xcc, 9b ; \ - mov r3, r2 - -#define PCPU(member) PCPU_REG + PC_ ## member -#define PCPU_ADDR(member, reg) \ - add PCPU_REG, PC_ ## member, reg - -#define DEBUGGER() \ - ta %xcc, 1 - -#define PANIC(msg, r1) \ - .sect .rodata ; \ -9: .asciz msg ; \ - .previous ; \ - SET(9b, r1, %o0) ; \ - call panic ; \ - nop - -#ifdef INVARIANTS -#define KASSERT(r1, msg) \ - brnz,pt r1, 8f ; \ - nop ; \ - PANIC(msg, r1) ; \ -8: -#else -#define KASSERT(r1, msg) -#endif - -#define PUTS(msg, r1) \ - .sect .rodata ; \ -9: .asciz msg ; \ - .previous ; \ - SET(9b, r1, %o0) ; \ - call printf ; \ - nop - -#define _ALIGN_DATA .align 8 - -#define DATA(name) \ - .data ; \ - _ALIGN_DATA ; \ - .globl name ; \ - .type name, @object ; \ -name: - -#define EMPTY - -/* - * Generate atomic compare and swap, load and store instructions for the - * corresponding width and ASI (or not). Note that we want to evaluate the - * macro args before concatenating, so that EMPTY really turns into nothing. - */ -#define _LD(w, a) ld ## w ## a -#define _ST(w, a) st ## w ## a -#define _CAS(w, a) cas ## w ## a - -#define LD(w, a) _LD(w, a) -#define ST(w, a) _ST(w, a) -#define CAS(w, a) _CAS(w, a) - -#endif /* LOCORE */ - -#endif /* _KERNEL */ - -#endif /* !_MACHINE_ASMACROS_H_ */ |