2012-04-15 02:35:50 +04:00
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/*
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* QEMU Motorola 68k CPU
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*
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* Copyright (c) 2012 SUSE LINUX Products GmbH
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see
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* <http://www.gnu.org/licenses/lgpl-2.1.html>
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*/
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2016-01-26 21:17:23 +03:00
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#include "qemu/osdep.h"
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include/qemu/osdep.h: Don't include qapi/error.h
Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the
Error typedef. Since then, we've moved to include qemu/osdep.h
everywhere. Its file comment explains: "To avoid getting into
possible circular include dependencies, this file should not include
any other QEMU headers, with the exceptions of config-host.h,
compiler.h, os-posix.h and os-win32.h, all of which are doing a
similar job to this file and are under similar constraints."
qapi/error.h doesn't do a similar job, and it doesn't adhere to
similar constraints: it includes qapi-types.h. That's in excess of
100KiB of crap most .c files don't actually need.
Add the typedef to qemu/typedefs.h, and include that instead of
qapi/error.h. Include qapi/error.h in .c files that need it and don't
get it now. Include qapi-types.h in qom/object.h for uint16List.
Update scripts/clean-includes accordingly. Update it further to match
reality: replace config.h by config-target.h, add sysemu/os-posix.h,
sysemu/os-win32.h. Update the list of includes in the qemu/osdep.h
comment quoted above similarly.
This reduces the number of objects depending on qapi/error.h from "all
of them" to less than a third. Unfortunately, the number depending on
qapi-types.h shrinks only a little. More work is needed for that one.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
[Fix compilation without the spice devel packages. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-03-14 11:01:28 +03:00
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#include "qapi/error.h"
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2012-04-15 02:35:50 +04:00
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#include "cpu.h"
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#include "qemu-common.h"
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2013-01-20 22:53:28 +04:00
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#include "migration/vmstate.h"
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2016-03-15 15:18:37 +03:00
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#include "exec/exec-all.h"
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2012-04-15 02:35:50 +04:00
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2013-06-28 22:35:01 +04:00
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static void m68k_cpu_set_pc(CPUState *cs, vaddr value)
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{
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M68kCPU *cpu = M68K_CPU(cs);
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cpu->env.pc = value;
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}
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2013-08-25 20:53:55 +04:00
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static bool m68k_cpu_has_work(CPUState *cs)
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{
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return cs->interrupt_request & CPU_INTERRUPT_HARD;
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}
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2012-04-15 05:30:10 +04:00
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static void m68k_set_feature(CPUM68KState *env, int feature)
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{
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env->features |= (1u << feature);
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}
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2012-04-15 02:35:50 +04:00
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/* CPUClass::reset() */
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static void m68k_cpu_reset(CPUState *s)
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{
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M68kCPU *cpu = M68K_CPU(s);
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M68kCPUClass *mcc = M68K_CPU_GET_CLASS(cpu);
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CPUM68KState *env = &cpu->env;
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mcc->parent_reset(s);
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2013-08-26 23:22:53 +04:00
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memset(env, 0, offsetof(CPUM68KState, features));
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2012-04-15 02:59:50 +04:00
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#if !defined(CONFIG_USER_ONLY)
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env->sr = 0x2700;
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#endif
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m68k_switch_sp(env);
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/* ??? FP regs should be initialized to NaN. */
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2015-08-14 17:59:20 +03:00
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cpu_m68k_set_ccr(env, 0);
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2012-04-15 02:59:50 +04:00
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/* TODO: We should set PC from the interrupt vector. */
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env->pc = 0;
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2013-09-04 04:19:44 +04:00
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tlb_flush(s, 1);
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2012-04-15 02:35:50 +04:00
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}
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2011-09-17 23:21:07 +04:00
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static void m68k_cpu_disas_set_info(CPUState *s, disassemble_info *info)
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2015-07-12 05:00:00 +03:00
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{
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2011-09-17 23:21:07 +04:00
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M68kCPU *cpu = M68K_CPU(s);
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CPUM68KState *env = &cpu->env;
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2015-07-12 05:00:00 +03:00
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info->print_insn = print_insn_m68k;
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2011-09-17 23:21:07 +04:00
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if (m68k_feature(env, M68K_FEATURE_M68000)) {
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info->mach = bfd_mach_m68040;
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}
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2015-07-12 05:00:00 +03:00
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}
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2012-04-15 05:30:10 +04:00
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/* CPU models */
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2013-01-21 20:50:15 +04:00
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static ObjectClass *m68k_cpu_class_by_name(const char *cpu_model)
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{
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ObjectClass *oc;
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2013-01-27 23:16:17 +04:00
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char *typename;
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2013-01-21 20:50:15 +04:00
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if (cpu_model == NULL) {
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return NULL;
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}
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2013-01-27 23:16:17 +04:00
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typename = g_strdup_printf("%s-" TYPE_M68K_CPU, cpu_model);
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oc = object_class_by_name(typename);
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g_free(typename);
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2013-01-23 15:36:31 +04:00
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if (oc != NULL && (object_class_dynamic_cast(oc, TYPE_M68K_CPU) == NULL ||
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object_class_is_abstract(oc))) {
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2013-01-21 20:50:15 +04:00
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return NULL;
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}
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return oc;
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}
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2012-04-15 05:30:10 +04:00
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static void m5206_cpu_initfn(Object *obj)
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{
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M68kCPU *cpu = M68K_CPU(obj);
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CPUM68KState *env = &cpu->env;
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m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
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}
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2015-06-23 21:55:08 +03:00
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static void m68000_cpu_initfn(Object *obj)
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{
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M68kCPU *cpu = M68K_CPU(obj);
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CPUM68KState *env = &cpu->env;
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m68k_set_feature(env, M68K_FEATURE_M68000);
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m68k_set_feature(env, M68K_FEATURE_USP);
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m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
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}
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static void m68020_cpu_initfn(Object *obj)
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{
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M68kCPU *cpu = M68K_CPU(obj);
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CPUM68KState *env = &cpu->env;
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m68k_set_feature(env, M68K_FEATURE_M68000);
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m68k_set_feature(env, M68K_FEATURE_USP);
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m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
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m68k_set_feature(env, M68K_FEATURE_QUAD_MULDIV);
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m68k_set_feature(env, M68K_FEATURE_BRAL);
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m68k_set_feature(env, M68K_FEATURE_BCCL);
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m68k_set_feature(env, M68K_FEATURE_BITFIELD);
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m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
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m68k_set_feature(env, M68K_FEATURE_SCALED_INDEX);
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m68k_set_feature(env, M68K_FEATURE_LONG_MULDIV);
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m68k_set_feature(env, M68K_FEATURE_FPU);
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m68k_set_feature(env, M68K_FEATURE_CAS);
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m68k_set_feature(env, M68K_FEATURE_BKPT);
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}
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#define m68030_cpu_initfn m68020_cpu_initfn
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#define m68040_cpu_initfn m68020_cpu_initfn
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static void m68060_cpu_initfn(Object *obj)
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{
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M68kCPU *cpu = M68K_CPU(obj);
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CPUM68KState *env = &cpu->env;
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m68k_set_feature(env, M68K_FEATURE_M68000);
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m68k_set_feature(env, M68K_FEATURE_USP);
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m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
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m68k_set_feature(env, M68K_FEATURE_BRAL);
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m68k_set_feature(env, M68K_FEATURE_BCCL);
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m68k_set_feature(env, M68K_FEATURE_BITFIELD);
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m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
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m68k_set_feature(env, M68K_FEATURE_SCALED_INDEX);
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m68k_set_feature(env, M68K_FEATURE_LONG_MULDIV);
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m68k_set_feature(env, M68K_FEATURE_FPU);
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m68k_set_feature(env, M68K_FEATURE_CAS);
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m68k_set_feature(env, M68K_FEATURE_BKPT);
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}
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2012-04-15 05:30:10 +04:00
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static void m5208_cpu_initfn(Object *obj)
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{
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M68kCPU *cpu = M68K_CPU(obj);
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CPUM68KState *env = &cpu->env;
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m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
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m68k_set_feature(env, M68K_FEATURE_CF_ISA_APLUSC);
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m68k_set_feature(env, M68K_FEATURE_BRAL);
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m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
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m68k_set_feature(env, M68K_FEATURE_USP);
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}
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static void cfv4e_cpu_initfn(Object *obj)
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{
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M68kCPU *cpu = M68K_CPU(obj);
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CPUM68KState *env = &cpu->env;
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m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
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m68k_set_feature(env, M68K_FEATURE_CF_ISA_B);
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m68k_set_feature(env, M68K_FEATURE_BRAL);
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m68k_set_feature(env, M68K_FEATURE_CF_FPU);
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m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
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m68k_set_feature(env, M68K_FEATURE_USP);
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}
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static void any_cpu_initfn(Object *obj)
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{
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M68kCPU *cpu = M68K_CPU(obj);
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CPUM68KState *env = &cpu->env;
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m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
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m68k_set_feature(env, M68K_FEATURE_CF_ISA_B);
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m68k_set_feature(env, M68K_FEATURE_CF_ISA_APLUSC);
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m68k_set_feature(env, M68K_FEATURE_BRAL);
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m68k_set_feature(env, M68K_FEATURE_CF_FPU);
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/* MAC and EMAC are mututally exclusive, so pick EMAC.
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It's mostly backwards compatible. */
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m68k_set_feature(env, M68K_FEATURE_CF_EMAC);
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m68k_set_feature(env, M68K_FEATURE_CF_EMAC_B);
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m68k_set_feature(env, M68K_FEATURE_USP);
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m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
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m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
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}
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typedef struct M68kCPUInfo {
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const char *name;
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void (*instance_init)(Object *obj);
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} M68kCPUInfo;
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static const M68kCPUInfo m68k_cpus[] = {
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2015-06-23 21:55:08 +03:00
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{ .name = "m68000", .instance_init = m68000_cpu_initfn },
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{ .name = "m68020", .instance_init = m68020_cpu_initfn },
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{ .name = "m68030", .instance_init = m68030_cpu_initfn },
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{ .name = "m68040", .instance_init = m68040_cpu_initfn },
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{ .name = "m68060", .instance_init = m68060_cpu_initfn },
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2012-04-15 05:30:10 +04:00
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{ .name = "m5206", .instance_init = m5206_cpu_initfn },
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{ .name = "m5208", .instance_init = m5208_cpu_initfn },
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{ .name = "cfv4e", .instance_init = cfv4e_cpu_initfn },
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{ .name = "any", .instance_init = any_cpu_initfn },
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};
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2013-01-05 18:15:30 +04:00
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static void m68k_cpu_realizefn(DeviceState *dev, Error **errp)
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{
|
2013-07-27 04:53:25 +04:00
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CPUState *cs = CPU(dev);
|
2013-01-05 18:15:30 +04:00
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M68kCPU *cpu = M68K_CPU(dev);
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M68kCPUClass *mcc = M68K_CPU_GET_CLASS(dev);
|
2016-10-20 14:26:03 +03:00
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Error *local_err = NULL;
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cpu_exec_realizefn(cs, &local_err);
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if (local_err != NULL) {
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error_propagate(errp, local_err);
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return;
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}
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2013-01-05 18:15:30 +04:00
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m68k_cpu_init_gdb(cpu);
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2013-07-27 04:53:25 +04:00
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cpu_reset(cs);
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qemu_init_vcpu(cs);
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2013-01-05 18:15:30 +04:00
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mcc->parent_realize(dev, errp);
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}
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2012-04-15 03:10:56 +04:00
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static void m68k_cpu_initfn(Object *obj)
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{
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2013-01-17 15:13:41 +04:00
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CPUState *cs = CPU(obj);
|
2012-04-15 03:10:56 +04:00
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M68kCPU *cpu = M68K_CPU(obj);
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CPUM68KState *env = &cpu->env;
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2013-01-20 03:48:29 +04:00
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static bool inited;
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2012-04-15 03:10:56 +04:00
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2013-01-17 15:13:41 +04:00
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cs->env_ptr = env;
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2013-01-20 03:48:29 +04:00
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if (tcg_enabled() && !inited) {
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inited = true;
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m68k_tcg_init();
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}
|
2012-04-15 03:10:56 +04:00
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}
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|
2013-01-20 22:53:28 +04:00
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static const VMStateDescription vmstate_m68k_cpu = {
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.name = "cpu",
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.unmigratable = 1,
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};
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|
2012-04-15 02:35:50 +04:00
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static void m68k_cpu_class_init(ObjectClass *c, void *data)
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{
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M68kCPUClass *mcc = M68K_CPU_CLASS(c);
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CPUClass *cc = CPU_CLASS(c);
|
2013-01-20 22:53:28 +04:00
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DeviceClass *dc = DEVICE_CLASS(c);
|
2012-04-15 02:35:50 +04:00
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2013-01-05 18:15:30 +04:00
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mcc->parent_realize = dc->realize;
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dc->realize = m68k_cpu_realizefn;
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|
2012-04-15 02:35:50 +04:00
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mcc->parent_reset = cc->reset;
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cc->reset = m68k_cpu_reset;
|
2013-01-21 20:50:15 +04:00
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cc->class_by_name = m68k_cpu_class_by_name;
|
2013-08-25 20:53:55 +04:00
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cc->has_work = m68k_cpu_has_work;
|
2013-02-02 13:57:51 +04:00
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cc->do_interrupt = m68k_cpu_do_interrupt;
|
2014-09-13 20:45:20 +04:00
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|
|
cc->cpu_exec_interrupt = m68k_cpu_exec_interrupt;
|
2013-05-27 03:33:50 +04:00
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|
|
cc->dump_state = m68k_cpu_dump_state;
|
2013-06-28 22:35:01 +04:00
|
|
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cc->set_pc = m68k_cpu_set_pc;
|
2013-06-29 06:18:45 +04:00
|
|
|
cc->gdb_read_register = m68k_cpu_gdb_read_register;
|
|
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cc->gdb_write_register = m68k_cpu_gdb_write_register;
|
2013-08-26 05:01:33 +04:00
|
|
|
#ifdef CONFIG_USER_ONLY
|
|
|
|
cc->handle_mmu_fault = m68k_cpu_handle_mmu_fault;
|
|
|
|
#else
|
2013-06-29 20:55:54 +04:00
|
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cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug;
|
|
|
|
#endif
|
2015-07-12 05:00:00 +03:00
|
|
|
cc->disas_set_info = m68k_cpu_disas_set_info;
|
2014-09-13 20:45:15 +04:00
|
|
|
|
2013-06-29 01:18:47 +04:00
|
|
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cc->gdb_num_core_regs = 18;
|
2013-07-07 17:08:22 +04:00
|
|
|
cc->gdb_core_xml_file = "cf-core.xml";
|
qdev: Protect device-list-properties against broken devices
Several devices don't survive object_unref(object_new(T)): they crash
or hang during cleanup, or they leave dangling pointers behind.
This breaks at least device-list-properties, because
qmp_device_list_properties() needs to create a device to find its
properties. Broken in commit f4eb32b "qmp: show QOM properties in
device-list-properties", v2.1. Example reproducer:
$ qemu-system-aarch64 -nodefaults -display none -machine none -S -qmp stdio
{"QMP": {"version": {"qemu": {"micro": 50, "minor": 4, "major": 2}, "package": ""}, "capabilities": []}}
{ "execute": "qmp_capabilities" }
{"return": {}}
{ "execute": "device-list-properties", "arguments": { "typename": "pxa2xx-pcmcia" } }
qemu-system-aarch64: /home/armbru/work/qemu/memory.c:1307: memory_region_finalize: Assertion `((&mr->subregions)->tqh_first == ((void *)0))' failed.
Aborted (core dumped)
[Exit 134 (SIGABRT)]
Unfortunately, I can't fix the problems in these devices right now.
Instead, add DeviceClass member cannot_destroy_with_object_finalize_yet
to mark them:
* Hang during cleanup (didn't debug, so I can't say why):
"realview_pci", "versatile_pci".
* Dangling pointer in cpus: most CPUs, plus "allwinner-a10", "digic",
"fsl,imx25", "fsl,imx31", "xlnx,zynqmp", because they create such
CPUs
* Assert kvm_enabled(): "host-x86_64-cpu", host-i386-cpu",
"host-powerpc64-cpu", "host-embedded-powerpc-cpu",
"host-powerpc-cpu" (the powerpc ones can't currently reach the
assertion, because the CPUs are only registered when KVM is enabled,
but the assertion is arguably in the wrong place all the same)
Make qmp_device_list_properties() fail cleanly when the device is so
marked. This improves device-list-properties from "crashes, hangs or
leaves dangling pointers behind" to "fails". Not a complete fix, just
a better-than-nothing work-around. In the above reproducer,
device-list-properties now fails with "Can't list properties of device
'pxa2xx-pcmcia'".
This also protects -device FOO,help, which uses the same machinery
since commit ef52358 "qdev-monitor: include QOM properties in -device
FOO, help output", v2.2. Example reproducer:
$ qemu-system-aarch64 -machine none -device pxa2xx-pcmcia,help
Before:
qemu-system-aarch64: .../memory.c:1307: memory_region_finalize: Assertion `((&mr->subregions)->tqh_first == ((void *)0))' failed.
After:
Can't list properties of device 'pxa2xx-pcmcia'
Cc: "Andreas Färber" <afaerber@suse.de>
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Anthony Green <green@moxielogic.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Jia Liu <proljc@gmail.com>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Walle <michael@walle.cc>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: qemu-ppc@nongnu.org
Cc: qemu-stable@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <1443689999-12182-10-git-send-email-armbru@redhat.com>
2015-10-01 11:59:58 +03:00
|
|
|
|
2015-07-12 05:00:00 +03:00
|
|
|
dc->vmsd = &vmstate_m68k_cpu;
|
2012-04-15 02:35:50 +04:00
|
|
|
}
|
|
|
|
|
2012-04-15 05:30:10 +04:00
|
|
|
static void register_cpu_type(const M68kCPUInfo *info)
|
|
|
|
{
|
|
|
|
TypeInfo type_info = {
|
|
|
|
.parent = TYPE_M68K_CPU,
|
|
|
|
.instance_init = info->instance_init,
|
|
|
|
};
|
|
|
|
|
2013-01-27 23:16:17 +04:00
|
|
|
type_info.name = g_strdup_printf("%s-" TYPE_M68K_CPU, info->name);
|
2013-01-27 22:31:00 +04:00
|
|
|
type_register(&type_info);
|
2013-01-27 23:16:17 +04:00
|
|
|
g_free((void *)type_info.name);
|
2012-04-15 05:30:10 +04:00
|
|
|
}
|
|
|
|
|
2012-04-15 02:35:50 +04:00
|
|
|
static const TypeInfo m68k_cpu_type_info = {
|
|
|
|
.name = TYPE_M68K_CPU,
|
|
|
|
.parent = TYPE_CPU,
|
|
|
|
.instance_size = sizeof(M68kCPU),
|
2012-04-15 03:10:56 +04:00
|
|
|
.instance_init = m68k_cpu_initfn,
|
2012-04-15 05:30:10 +04:00
|
|
|
.abstract = true,
|
2012-04-15 02:35:50 +04:00
|
|
|
.class_size = sizeof(M68kCPUClass),
|
|
|
|
.class_init = m68k_cpu_class_init,
|
|
|
|
};
|
|
|
|
|
|
|
|
static void m68k_cpu_register_types(void)
|
|
|
|
{
|
2012-04-15 05:30:10 +04:00
|
|
|
int i;
|
|
|
|
|
2012-04-15 02:35:50 +04:00
|
|
|
type_register_static(&m68k_cpu_type_info);
|
2012-04-15 05:30:10 +04:00
|
|
|
for (i = 0; i < ARRAY_SIZE(m68k_cpus); i++) {
|
|
|
|
register_cpu_type(&m68k_cpus[i]);
|
|
|
|
}
|
2012-04-15 02:35:50 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
type_init(m68k_cpu_register_types)
|