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target-xtensa: add target stubs 

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Max Filippov 2011-09-06 03:55:25 +04:00 committed by Blue Swirl
parent 83818f7cdd
commit 2328826b1d
11 changed files with 373 additions and 0 deletions
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2
Makefile.target
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@ -368,6 +368,8 @@ obj-s390x-y = s390-virtio-bus.o s390-virtio.o
obj-alpha-y = i8259.o mc146818rtc.o
obj-alpha-y += vga.o cirrus_vga.o
obj-xtensa-y += xtensa_pic.o
main.o: QEMU_CFLAGS+=$(GPROF_CFLAGS)
monitor.o: hmp-commands.h qmp-commands.h

2
arch_init.c
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@ -78,6 +78,8 @@ const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".con
#define QEMU_ARCH QEMU_ARCH_SH4
#elif defined(TARGET_SPARC)
#define QEMU_ARCH QEMU_ARCH_SPARC
#elif defined(TARGET_XTENSA)
#define QEMU_ARCH QEMU_ARCH_XTENSA
#endif
const uint32_t arch_type = QEMU_ARCH;

1
arch_init.h
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@ -17,6 +17,7 @@ enum {
QEMU_ARCH_S390X = 512,
QEMU_ARCH_SH4 = 1024,
QEMU_ARCH_SPARC = 2048,
QEMU_ARCH_XTENSA = 4096,
};
extern const uint32_t arch_type;

2
cpu-exec.c
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@ -223,6 +223,7 @@ int cpu_exec(CPUState *env)
#elif defined(TARGET_SH4)
#elif defined(TARGET_CRIS)
#elif defined(TARGET_S390X)
#elif defined(TARGET_XTENSA)
/* XXXXX */
#else
#error unsupported target CPU
@ -617,6 +618,7 @@ int cpu_exec(CPUState *env)
#elif defined(TARGET_ALPHA)
#elif defined(TARGET_CRIS)
#elif defined(TARGET_S390X)
#elif defined(TARGET_XTENSA)
/* XXXXX */
#else
#error unsupported target CPU

2
elf.h
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@ -125,6 +125,8 @@ typedef int64_t Elf64_Sxword;
#define EM_MICROBLAZE 189
#define EM_MICROBLAZE_OLD 0xBAAB
#define EM_XTENSA 94 /* Tensilica Xtensa */
/* This is the info that is needed to parse the dynamic section of the file */
#define DT_NULL 0
#define DT_NEEDED 1

38
hw/xtensa_pic.c Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the Open Source and Linux Lab nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 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.
*/
#include "hw.h"
#include "pc.h"
/* Stub functions for hardware that doesn't exist. */
void pic_info(Monitor *mon)
{
}
void irq_info(Monitor *mon)
{
}

95
target-xtensa/cpu.h Normal file
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@ -0,0 +1,95 @@
/*
* Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the Open Source and Linux Lab nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 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.
*/
#ifndef CPU_XTENSA_H
#define CPU_XTENSA_H
#define TARGET_LONG_BITS 32
#define ELF_MACHINE EM_XTENSA
#define CPUState struct CPUXtensaState
#include "config.h"
#include "qemu-common.h"
#include "cpu-defs.h"
#define TARGET_HAS_ICE 1
#define NB_MMU_MODES 4
#define TARGET_PHYS_ADDR_SPACE_BITS 32
#define TARGET_VIRT_ADDR_SPACE_BITS 32
#define TARGET_PAGE_BITS 12
typedef struct CPUXtensaState {
uint32_t regs[16];
uint32_t pc;
uint32_t sregs[256];
CPU_COMMON
} CPUXtensaState;
#define cpu_init cpu_xtensa_init
#define cpu_exec cpu_xtensa_exec
#define cpu_gen_code cpu_xtensa_gen_code
#define cpu_signal_handler cpu_xtensa_signal_handler
#define cpu_list xtensa_cpu_list
CPUXtensaState *cpu_xtensa_init(const char *cpu_model);
void xtensa_translate_init(void);
int cpu_xtensa_exec(CPUXtensaState *s);
void do_interrupt(CPUXtensaState *s);
int cpu_xtensa_signal_handler(int host_signum, void *pinfo, void *puc);
void xtensa_cpu_list(FILE *f, fprintf_function cpu_fprintf);
static inline int cpu_mmu_index(CPUState *env)
{
return 0;
}
static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
target_ulong *cs_base, int *flags)
{
*pc = env->pc;
*cs_base = 0;
*flags = 0;
}
#include "cpu-all.h"
#include "exec-all.h"
static inline int cpu_has_work(CPUState *env)
{
return 1;
}
static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
{
env->pc = tb->pc;
}
#endif

73
target-xtensa/helper.c Normal file
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@ -0,0 +1,73 @@
/*
* Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the Open Source and Linux Lab nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 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.
*/
#include "cpu.h"
#include "exec-all.h"
#include "gdbstub.h"
#include "qemu-common.h"
#include "host-utils.h"
#if !defined(CONFIG_USER_ONLY)
#include "hw/loader.h"
#endif
void cpu_reset(CPUXtensaState *env)
{
env->pc = 0;
}
CPUXtensaState *cpu_xtensa_init(const char *cpu_model)
{
static int tcg_inited;
CPUXtensaState *env;
env = g_malloc0(sizeof(*env));
cpu_exec_init(env);
if (!tcg_inited) {
tcg_inited = 1;
xtensa_translate_init();
}
qemu_init_vcpu(env);
return env;
}
void xtensa_cpu_list(FILE *f, fprintf_function cpu_fprintf)
{
cpu_fprintf(f, "Available CPUs:\n"
" Xtensa core\n");
}
target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
{
return addr;
}
void do_interrupt(CPUState *env)
{
}

38
target-xtensa/machine.c Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the Open Source and Linux Lab nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 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.
*/
#include "hw/hw.h"
#include "hw/boards.h"
void cpu_save(QEMUFile *f, void *opaque)
{
}
int cpu_load(QEMUFile *f, void *opaque, int version_id)
{
return 0;
}

52
target-xtensa/op_helper.c Normal file
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@ -0,0 +1,52 @@
/*
* Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the Open Source and Linux Lab nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 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.
*/
#include "cpu.h"
#include "dyngen-exec.h"
#define MMUSUFFIX _mmu
#define SHIFT 0
#include "softmmu_template.h"
#define SHIFT 1
#include "softmmu_template.h"
#define SHIFT 2
#include "softmmu_template.h"
#define SHIFT 3
#include "softmmu_template.h"
void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
{
tlb_set_page(cpu_single_env,
addr & ~(TARGET_PAGE_SIZE - 1),
addr & ~(TARGET_PAGE_SIZE - 1),
PAGE_READ | PAGE_WRITE | PAGE_EXEC,
mmu_idx, TARGET_PAGE_SIZE);
}

68
target-xtensa/translate.c Normal file
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@ -0,0 +1,68 @@
/*
* Xtensa ISA:
* http://www.tensilica.com/products/literature-docs/documentation/xtensa-isa-databook.htm
*
* Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the Open Source and Linux Lab nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 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.
*/
#include <stdio.h>
#include "cpu.h"
#include "exec-all.h"
#include "disas.h"
#include "tcg-op.h"
#include "qemu-log.h"
void xtensa_translate_init(void)
{
}
void gen_intermediate_code(CPUState *env, TranslationBlock *tb)
{
}
void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
{
}
void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf,
int flags)
{
int i;
cpu_fprintf(f, "PC=%08x\n", env->pc);
for (i = 0; i < 16; ++i) {
cpu_fprintf(f, "A%02d=%08x%c", i, env->regs[i],
(i % 4) == 3 ? '\n' : ' ');
}
}
void restore_state_to_opc(CPUState *env, TranslationBlock *tb, int pc_pos)
{
env->pc = gen_opc_pc[pc_pos];
}