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arm: store the config_base_register during cpu_reset 

Long term, the config_base_register will be a QDM parameter. In the
meantime, models that use it need to be able to preserve it across
cpu_reset() calls.

Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Mark Langsdorf 2012-01-25 11:49:46 +00:00 committed by Peter Maydell
parent 8583697905
commit 5fe91019e6
1 changed files with 3 additions and 0 deletions
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3
target-arm/helper.c
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@ -255,6 +255,7 @@ static void cpu_reset_model_id(CPUARMState *env, uint32_t id)
void cpu_reset(CPUARMState *env)
{
uint32_t id;
uint32_t tmp = 0;
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
@ -262,9 +263,11 @@ void cpu_reset(CPUARMState *env)
}
id = env->cp15.c0_cpuid;
tmp = env->cp15.c15_config_base_address;
memset(env, 0, offsetof(CPUARMState, breakpoints));
if (id)
cpu_reset_model_id(env, id);
env->cp15.c15_config_base_address = tmp;
#if defined (CONFIG_USER_ONLY)
env->uncached_cpsr = ARM_CPU_MODE_USR;
/* For user mode we must enable access to coprocessors */