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mirror_qemu
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Fix disabling of the Cause register for R2. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2612 c046a42c-6fe2-441c-8c8c-71466251a162
master
ths 2007-04-05 23:17:40 +00:00
parent 1579a72ec5
commit 3529b538ce
1 changed files with 11 additions and 11 deletions
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22
hw/mips_timer.c
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@ -22,14 +22,11 @@ uint32_t cpu_mips_get_count (CPUState *env)
100 * 1000 * 1000, ticks_per_sec);
}
static void cpu_mips_update_count (CPUState *env, uint32_t count,
uint32_t compare)
void cpu_mips_store_count (CPUState *env, uint32_t count)
{
uint64_t now, next;
uint32_t tmp;
if (env->CP0_Cause & (1 << CP0Ca_DC))
return;
uint32_t compare = env->CP0_Compare;
tmp = count;
if (count == compare)
@ -52,14 +49,18 @@ static void cpu_mips_update_count (CPUState *env, uint32_t count,
qemu_mod_timer(env->timer, next);
}
void cpu_mips_store_count (CPUState *env, uint32_t value)
static void cpu_mips_update_count (CPUState *env, uint32_t count)
{
cpu_mips_update_count(env, value, env->CP0_Compare);
if (env->CP0_Cause & (1 << CP0Ca_DC))
return;
cpu_mips_store_count(env, count);
}
void cpu_mips_store_compare (CPUState *env, uint32_t value)
{
cpu_mips_update_count(env, cpu_mips_get_count(env), value);
env->CP0_Compare = value;
cpu_mips_update_count(env, cpu_mips_get_count(env));
if ((env->CP0_Config0 & (0x7 << CP0C0_AR)) == (1 << CP0C0_AR))
env->CP0_Cause &= ~(1 << CP0Ca_TI);
cpu_mips_irq_request(env, 7, 0);
@ -75,7 +76,7 @@ static void mips_timer_cb (void *opaque)
fprintf(logfile, "%s\n", __func__);
}
#endif
cpu_mips_update_count(env, cpu_mips_get_count(env), env->CP0_Compare);
cpu_mips_update_count(env, cpu_mips_get_count(env));
if ((env->CP0_Config0 & (0x7 << CP0C0_AR)) == (1 << CP0C0_AR))
env->CP0_Cause |= 1 << CP0Ca_TI;
cpu_mips_irq_request(env, 7, 1);
@ -85,6 +86,5 @@ void cpu_mips_clock_init (CPUState *env)
{
env->timer = qemu_new_timer(vm_clock, &mips_timer_cb, env);
env->CP0_Compare = 0;
cpu_mips_update_count(env, 1, 0);
cpu_mips_update_count(env, 1);
}