dedc5eae23
Set up disas_xtensa_insn switch structure, mark required options on high level groups. Implement arithmetic/bit logic/jump/call0. Implement code generation loop with single step/breakpoint checking. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/*
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* Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the Open Source and Linux Lab nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "cpu.h"
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#include "exec-all.h"
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#include "gdbstub.h"
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#include "qemu-common.h"
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#include "host-utils.h"
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#if !defined(CONFIG_USER_ONLY)
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#include "hw/loader.h"
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#endif
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void cpu_reset(CPUXtensaState *env)
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{
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env->pc = 0;
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}
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static const XtensaConfig core_config[] = {
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{
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.name = "sample-xtensa-core",
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.options = -1,
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},
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};
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CPUXtensaState *cpu_xtensa_init(const char *cpu_model)
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{
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static int tcg_inited;
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CPUXtensaState *env;
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const XtensaConfig *config = NULL;
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int i;
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for (i = 0; i < ARRAY_SIZE(core_config); ++i)
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if (strcmp(core_config[i].name, cpu_model) == 0) {
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config = core_config + i;
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break;
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}
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if (config == NULL) {
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return NULL;
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}
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env = g_malloc0(sizeof(*env));
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env->config = config;
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cpu_exec_init(env);
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if (!tcg_inited) {
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tcg_inited = 1;
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xtensa_translate_init();
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}
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qemu_init_vcpu(env);
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return env;
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}
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void xtensa_cpu_list(FILE *f, fprintf_function cpu_fprintf)
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{
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int i;
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cpu_fprintf(f, "Available CPUs:\n");
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for (i = 0; i < ARRAY_SIZE(core_config); ++i) {
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cpu_fprintf(f, " %s\n", core_config[i].name);
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}
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}
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target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
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{
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return addr;
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}
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void do_interrupt(CPUState *env)
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{
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}
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