2e5b09fd0e
Suggested-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190709152053.16670-2-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> [Rebased onto merge commit 95a9457fd44; missed instances of qom/cpu.h in comments replaced]
127 lines
3.5 KiB
C
127 lines
3.5 KiB
C
/*
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* Moxie emulation
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*
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* Copyright (c) 2008, 2010, 2013 Anthony Green
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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 License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MOXIE_CPU_H
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#define MOXIE_CPU_H
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#include "exec/cpu-defs.h"
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#define MOXIE_EX_DIV0 0
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#define MOXIE_EX_BAD 1
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#define MOXIE_EX_IRQ 2
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#define MOXIE_EX_SWI 3
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#define MOXIE_EX_MMU_MISS 4
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#define MOXIE_EX_BREAK 16
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typedef struct CPUMoxieState {
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uint32_t flags; /* general execution flags */
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uint32_t gregs[16]; /* general registers */
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uint32_t sregs[256]; /* special registers */
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uint32_t pc; /* program counter */
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/* Instead of saving the cc value, we save the cmp arguments
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and compute cc on demand. */
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uint32_t cc_a; /* reg a for condition code calculation */
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uint32_t cc_b; /* reg b for condition code calculation */
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void *irq[8];
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/* Fields up to this point are cleared by a CPU reset */
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struct {} end_reset_fields;
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} CPUMoxieState;
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#include "hw/core/cpu.h"
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#define TYPE_MOXIE_CPU "moxie-cpu"
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#define MOXIE_CPU_CLASS(klass) \
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OBJECT_CLASS_CHECK(MoxieCPUClass, (klass), TYPE_MOXIE_CPU)
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#define MOXIE_CPU(obj) \
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OBJECT_CHECK(MoxieCPU, (obj), TYPE_MOXIE_CPU)
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#define MOXIE_CPU_GET_CLASS(obj) \
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OBJECT_GET_CLASS(MoxieCPUClass, (obj), TYPE_MOXIE_CPU)
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/**
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* MoxieCPUClass:
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* @parent_reset: The parent class' reset handler.
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*
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* A Moxie CPU model.
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*/
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typedef struct MoxieCPUClass {
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/*< private >*/
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CPUClass parent_class;
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/*< public >*/
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DeviceRealize parent_realize;
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void (*parent_reset)(CPUState *cpu);
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} MoxieCPUClass;
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/**
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* MoxieCPU:
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* @env: #CPUMoxieState
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*
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* A Moxie CPU.
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*/
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typedef struct MoxieCPU {
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/*< private >*/
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CPUState parent_obj;
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/*< public >*/
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CPUNegativeOffsetState neg;
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CPUMoxieState env;
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} MoxieCPU;
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void moxie_cpu_do_interrupt(CPUState *cs);
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void moxie_cpu_dump_state(CPUState *cpu, FILE *f, int flags);
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hwaddr moxie_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
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void moxie_translate_init(void);
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int cpu_moxie_signal_handler(int host_signum, void *pinfo,
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void *puc);
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#define MOXIE_CPU_TYPE_SUFFIX "-" TYPE_MOXIE_CPU
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#define MOXIE_CPU_TYPE_NAME(model) model MOXIE_CPU_TYPE_SUFFIX
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#define CPU_RESOLVING_TYPE TYPE_MOXIE_CPU
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#define cpu_signal_handler cpu_moxie_signal_handler
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static inline int cpu_mmu_index(CPUMoxieState *env, bool ifetch)
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{
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return 0;
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}
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typedef CPUMoxieState CPUArchState;
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typedef MoxieCPU ArchCPU;
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#include "exec/cpu-all.h"
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static inline void cpu_get_tb_cpu_state(CPUMoxieState *env, target_ulong *pc,
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target_ulong *cs_base, uint32_t *flags)
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{
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*pc = env->pc;
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*cs_base = 0;
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*flags = 0;
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}
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bool moxie_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
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MMUAccessType access_type, int mmu_idx,
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bool probe, uintptr_t retaddr);
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#endif /* MOXIE_CPU_H */
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