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target-ppc: Add MMU model check for booke machines 

Machines bamboo, e500 and virtex-ml507 assume a certain MMU model,
otherwise resulting in unpredictable behavior. Add apropriate checks
into *_init functions.

Signed-off-by: Valentin Plotkin <caliborn@sdf.org>

[regarding virtex parts]
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Valentin Plotkin 2017-01-26 10:15:59 +00:00 committed by David Gibson
parent 25e6a11832
commit 00469dc373
3 changed files with 19 additions and 0 deletions
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6
hw/ppc/e500.c
View File

@ -827,6 +827,12 @@ void ppce500_init(MachineState *machine, PPCE500Params *params)
env = &cpu->env;
cs = CPU(cpu);
if (env->mmu_model != POWERPC_MMU_BOOKE206) {
fprintf(stderr, "MMU model %i not supported by this machine.\n",
env->mmu_model);
exit(1);
}
if (!firstenv) {
firstenv = env;
}

6
hw/ppc/ppc440_bamboo.c
View File

@ -193,6 +193,12 @@ static void bamboo_init(MachineState *machine)
}
env = &cpu->env;
if (env->mmu_model != POWERPC_MMU_BOOKE) {
fprintf(stderr, "MMU model %i not supported by this machine.\n",
env->mmu_model);
exit(1);
}
qemu_register_reset(main_cpu_reset, cpu);
ppc_booke_timers_init(cpu, 400000000, 0);
ppc_dcr_init(env, NULL, NULL);

7
hw/ppc/virtex_ml507.c
View File

@ -221,6 +221,13 @@ static void virtex_init(MachineState *machine)
cpu = ppc440_init_xilinx(&ram_size, 1, machine->cpu_model, 400000000);
env = &cpu->env;
if (env->mmu_model != POWERPC_MMU_BOOKE) {
fprintf(stderr, "MMU model %i not supported by this machine.\n",
env->mmu_model);
exit(1);
}
qemu_register_reset(main_cpu_reset, cpu);
memory_region_allocate_system_memory(phys_ram, NULL, "ram", ram_size);