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cpu: Turn cpu_unassigned_access() into a CPUState hook

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Use it for all targets, but be careful not to pass invalid CPUState.
cpu_single_env can be NULL, e.g. on Xen.

Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-05-27 06:49:53 +02:00
parent ce927ed9e4
commit c658b94f6e
16 changed files with 124 additions and 45 deletions
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1
target-alpha/cpu.c
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@ -263,6 +263,7 @@ static void alpha_cpu_class_init(ObjectClass *oc, void *data)
cc->class_by_name = alpha_cpu_class_by_name;
cc->do_interrupt = alpha_cpu_do_interrupt;
cc->dump_state = alpha_cpu_dump_state;
cpu_class_set_do_unassigned_access(cc, alpha_cpu_unassigned_access);
device_class_set_vmsd(dc, &vmstate_alpha_cpu);
}

6
target-alpha/cpu.h
View file

@ -457,9 +457,9 @@ uint64_t cpu_alpha_load_fpcr (CPUAlphaState *env);
void cpu_alpha_store_fpcr (CPUAlphaState *env, uint64_t val);
#ifndef CONFIG_USER_ONLY
void swap_shadow_regs(CPUAlphaState *env);
QEMU_NORETURN void cpu_unassigned_access(CPUAlphaState *env1,
hwaddr addr, int is_write,
int is_exec, int unused, int size);
QEMU_NORETURN void alpha_cpu_unassigned_access(CPUState *cpu, hwaddr addr,
bool is_write, bool is_exec,
int unused, unsigned size);
#endif
/* Bits in TB->FLAGS that control how translation is processed. */

10
target-alpha/mem_helper.c
View file

@ -109,11 +109,15 @@ static void do_unaligned_access(CPUAlphaState *env, target_ulong addr,
cpu_loop_exit(env);
}
void cpu_unassigned_access(CPUAlphaState *env, hwaddr addr,
int is_write, int is_exec, int unused, int size)
void alpha_cpu_unassigned_access(CPUState *cs, hwaddr addr,
bool is_write, bool is_exec, int unused,
unsigned size)
{
AlphaCPU *cpu = ALPHA_CPU(cs);
CPUAlphaState *env = &cpu->env;
env->trap_arg0 = addr;
env->trap_arg1 = is_write;
env->trap_arg1 = is_write ? 1 : 0;
dynamic_excp(env, 0, EXCP_MCHK, 0);
}