haraldwolff/qemu-patch-raspberry4
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Fix BSD user compilation on other than OpenBSD

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5777 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-11-22 20:34:45 +00:00
parent 8ef92a880f
commit cdba95bd96
2 changed files with 41 additions and 7 deletions
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18
bsd-user/main.c
View file

@ -186,9 +186,6 @@ void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type)
case 0x100:
#endif
syscall_nr = env->gregs[1];
#if defined(TARGET_SPARC)
syscall_nr &= ~(SYSCALL_G7RFLAG | SYSCALL_G2RFLAG);
#endif
if (bsd_type == target_freebsd)
ret = do_freebsd_syscall(env, syscall_nr,
env->regwptr[0], env->regwptr[1],
@ -199,11 +196,16 @@ void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type)
env->regwptr[0], env->regwptr[1],
env->regwptr[2], env->regwptr[3],
env->regwptr[4], env->regwptr[5]);
else //if (bsd_type == target_openbsd)
else { //if (bsd_type == target_openbsd)
#if defined(TARGET_SPARC64)
syscall_nr &= ~(TARGET_OPENBSD_SYSCALL_G7RFLAG |
TARGET_OPENBSD_SYSCALL_G2RFLAG);
#endif
ret = do_openbsd_syscall(env, syscall_nr,
env->regwptr[0], env->regwptr[1],
env->regwptr[2], env->regwptr[3],
env->regwptr[4], env->regwptr[5]);
}
if ((unsigned int)ret >= (unsigned int)(-515)) {
#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
env->xcc |= PSR_CARRY;
@ -219,11 +221,13 @@ void cpu_loop(CPUSPARCState *env, enum BSDType bsd_type)
}
env->regwptr[0] = ret;
/* next instruction */
#if defined(TARGET_SPARC)
if (env->gregs[1] & SYSCALL_G2RFLAG) {
#if defined(TARGET_SPARC64)
if (bsd_type == target_openbsd &&
env->gregs[1] & TARGET_OPENBSD_SYSCALL_G2RFLAG) {
env->pc = env->gregs[2];
env->npc = env->pc + 4;
} else if (env->gregs[1] & SYSCALL_G7RFLAG) {
} else if (bsd_type == target_openbsd &&
env->gregs[1] & TARGET_OPENBSD_SYSCALL_G7RFLAG) {
env->pc = env->gregs[7];
env->npc = env->pc + 4;
} else {

30
bsd-user/openbsd/syscall_nr.h
View file

@ -193,3 +193,33 @@
#define TARGET_OPENBSD_NR_statfs 307
#define TARGET_OPENBSD_NR_fstatfs 308
#define TARGET_OPENBSD_NR_fhstatfs 309
/* syscall flags from machine/trap.h */
/* $OpenBSD: trap.h,v 1.4 2008/07/04 22:04:37 kettenis Exp $ */
/* $NetBSD: trap.h,v 1.4 1999/06/07 05:28:04 eeh Exp $ */
/*
* Copyright (c) 1996-1999 Eduardo Horvath
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
*/
#define TARGET_OPENBSD_SYSCALL_G2RFLAG 0x400 /* on success, return to %g2 rather than npc */
#define TARGET_OPENBSD_SYSCALL_G7RFLAG 0x800 /* use %g7 as above (deprecated) */