qemu-e2k/target-moxie/cpu.h

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/*
* Moxie emulation
*
* Copyright (c) 2008, 2010, 2013 Anthony Green
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _CPU_MOXIE_H
#define _CPU_MOXIE_H
#include "qemu-common.h"
#define TARGET_LONG_BITS 32
#define CPUArchState struct CPUMoxieState
#define MOXIE_EX_DIV0 0
#define MOXIE_EX_BAD 1
#define MOXIE_EX_IRQ 2
#define MOXIE_EX_SWI 3
#define MOXIE_EX_MMU_MISS 4
#define MOXIE_EX_BREAK 16
#include "exec/cpu-defs.h"
#include "fpu/softfloat.h"
#define TARGET_PAGE_BITS 12 /* 4k */
#define TARGET_PHYS_ADDR_SPACE_BITS 32
#define TARGET_VIRT_ADDR_SPACE_BITS 32
#define NB_MMU_MODES 1
typedef struct CPUMoxieState {
uint32_t flags; /* general execution flags */
uint32_t gregs[16]; /* general registers */
uint32_t sregs[256]; /* special registers */
uint32_t pc; /* program counter */
/* Instead of saving the cc value, we save the cmp arguments
and compute cc on demand. */
uint32_t cc_a; /* reg a for condition code calculation */
uint32_t cc_b; /* reg b for condition code calculation */
void *irq[8];
CPU_COMMON
} CPUMoxieState;
#include "qom/cpu.h"
#define TYPE_MOXIE_CPU "moxie-cpu"
#define MOXIE_CPU_CLASS(klass) \
OBJECT_CLASS_CHECK(MoxieCPUClass, (klass), TYPE_MOXIE_CPU)
#define MOXIE_CPU(obj) \
OBJECT_CHECK(MoxieCPU, (obj), TYPE_MOXIE_CPU)
#define MOXIE_CPU_GET_CLASS(obj) \
OBJECT_GET_CLASS(MoxieCPUClass, (obj), TYPE_MOXIE_CPU)
/**
* MoxieCPUClass:
* @parent_reset: The parent class' reset handler.
*
* A Moxie CPU model.
*/
typedef struct MoxieCPUClass {
/*< private >*/
CPUClass parent_class;
/*< public >*/
DeviceRealize parent_realize;
void (*parent_reset)(CPUState *cpu);
} MoxieCPUClass;
/**
* MoxieCPU:
* @env: #CPUMoxieState
*
* A Moxie CPU.
*/
typedef struct MoxieCPU {
/*< private >*/
CPUState parent_obj;
/*< public >*/
CPUMoxieState env;
} MoxieCPU;
static inline MoxieCPU *moxie_env_get_cpu(CPUMoxieState *env)
{
return container_of(env, MoxieCPU, env);
}
#define ENV_GET_CPU(e) CPU(moxie_env_get_cpu(e))
#define ENV_OFFSET offsetof(MoxieCPU, env)
MoxieCPU *cpu_moxie_init(const char *cpu_model);
int cpu_moxie_exec(CPUState *cpu);
void moxie_cpu_do_interrupt(CPUState *cs);
void moxie_cpu_dump_state(CPUState *cpu, FILE *f,
fprintf_function cpu_fprintf, int flags);
hwaddr moxie_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
void moxie_translate_init(void);
int cpu_moxie_signal_handler(int host_signum, void *pinfo,
void *puc);
cpu: Make cpu_init() return QOM CPUState object Instead of making cpu_init() return CPUArchState, return CPUState. Changes were made using the Coccinelle semantic patch below. @@ typedef CPUState; identifier e; expression args; type CPUArchState; @@ - e = + cpu = cpu_init(args); - if (!e) { + if (!cpu) { ... } - cpu = ENV_GET_CPU(env); + e = cpu->env_ptr; @@ identifier new_env, new_cpu, env, cpu; type CPUArchState; expression args; @@ -{ - CPUState *cpu = ENV_GET_CPU(env); - CPUArchState *new_env = cpu_init(args); - CPUState *new_cpu = ENV_GET_CPU(new_env); +{ + CPUState *cpu = ENV_GET_CPU(env); + CPUState *new_cpu = cpu_init(args); + CPUArchState *new_env = new_cpu->env_ptr; ... } @@ identifier c, cpu_init_func, cpu_model; type StateType, CPUType; @@ -static inline StateType* cpu_init(const char *cpu_model) -{ - CPUType *c = cpu_init_func(cpu_model); ( - if (c == NULL) { - return NULL; - } - return &c->env; | - if (c) { - return &c->env; - } - return NULL; ) -} +#define cpu_init(cpu_model) CPU(cpu_init_func(cpu_model)) @@ identifier cpu_init_func; identifier model; @@ -#define cpu_init(model) (&cpu_init_func(model)->env) +#define cpu_init(model) CPU(cpu_init_func(model)) Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Riku Voipio <riku.voipio@iki.fi> Cc: Richard Henderson <rth@twiddle.net> Cc: Peter Maydell <peter.maydell@linaro.org> Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Michael Walle <michael@walle.cc> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Leon Alrae <leon.alrae@imgtec.com> Cc: Anthony Green <green@moxielogic.com> Cc: Jia Liu <proljc@gmail.com> Cc: Alexander Graf <agraf@suse.de> Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Cc: Max Filippov <jcmvbkbc@gmail.com> [AF: Fixed up cpu_copy() manually] Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-02-26 21:37:49 +01:00
#define cpu_init(cpu_model) CPU(cpu_moxie_init(cpu_model))
#define cpu_exec cpu_moxie_exec
#define cpu_signal_handler cpu_moxie_signal_handler
static inline int cpu_mmu_index(CPUMoxieState *env, bool ifetch)
{
return 0;
}
#include "exec/cpu-all.h"
static inline void cpu_get_tb_cpu_state(CPUMoxieState *env, target_ulong *pc,
target_ulong *cs_base, uint32_t *flags)
{
*pc = env->pc;
*cs_base = 0;
*flags = 0;
}
int moxie_cpu_handle_mmu_fault(CPUState *cpu, vaddr address,
int rw, int mmu_idx);
#endif /* _CPU_MOXIE_H */