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-rw-r--r--hw/ppc.c16
-rw-r--r--hw/ppc.h4
-rw-r--r--hw/ppc4xx_devs.c2
3 files changed, 17 insertions, 5 deletions
diff --git a/hw/ppc.c b/hw/ppc.c
index 55e380844c..968aec1b16 100644
--- a/hw/ppc.c
+++ b/hw/ppc.c
@@ -769,6 +769,9 @@ struct ppcemb_timer_t {
struct QEMUTimer *fit_timer;
uint64_t wdt_next; /* Tick for next WDT interrupt */
struct QEMUTimer *wdt_timer;
+
+ /* 405 have the PIT, 440 have a DECR. */
+ unsigned int decr_excp;
};
/* Fixed interval timer */
@@ -851,7 +854,7 @@ static void cpu_4xx_pit_cb (void *opaque)
ppcemb_timer = tb_env->opaque;
env->spr[SPR_40x_TSR] |= 1 << 27;
if ((env->spr[SPR_40x_TCR] >> 26) & 0x1)
- ppc_set_irq(env, PPC_INTERRUPT_PIT, 1);
+ ppc_set_irq(env, ppcemb_timer->decr_excp, 1);
start_stop_pit(env, tb_env, 1);
LOG_TB("%s: ar %d ir %d TCR " TARGET_FMT_lx " TSR " TARGET_FMT_lx " "
"%016" PRIx64 "\n", __func__,
@@ -948,10 +951,15 @@ target_ulong load_40x_pit (CPUState *env)
void store_booke_tsr (CPUState *env, target_ulong val)
{
+ ppc_tb_t *tb_env = env->tb_env;
+ ppcemb_timer_t *ppcemb_timer;
+
+ ppcemb_timer = tb_env->opaque;
+
LOG_TB("%s: val " TARGET_FMT_lx "\n", __func__, val);
env->spr[SPR_40x_TSR] &= ~(val & 0xFC000000);
if (val & 0x80000000)
- ppc_set_irq(env, PPC_INTERRUPT_PIT, 0);
+ ppc_set_irq(env, ppcemb_timer->decr_excp, 0);
}
void store_booke_tcr (CPUState *env, target_ulong val)
@@ -977,7 +985,8 @@ static void ppc_emb_set_tb_clk (void *opaque, uint32_t freq)
/* XXX: we should also update all timers */
}
-clk_setup_cb ppc_emb_timers_init (CPUState *env, uint32_t freq)
+clk_setup_cb ppc_emb_timers_init (CPUState *env, uint32_t freq,
+ unsigned int decr_excp)
{
ppc_tb_t *tb_env;
ppcemb_timer_t *ppcemb_timer;
@@ -996,6 +1005,7 @@ clk_setup_cb ppc_emb_timers_init (CPUState *env, uint32_t freq)
qemu_new_timer(vm_clock, &cpu_4xx_fit_cb, env);
ppcemb_timer->wdt_timer =
qemu_new_timer(vm_clock, &cpu_4xx_wdt_cb, env);
+ ppcemb_timer->decr_excp = decr_excp;
}
return &ppc_emb_set_tb_clk;
diff --git a/hw/ppc.h b/hw/ppc.h
index 1251932103..34f54cf5da 100644
--- a/hw/ppc.h
+++ b/hw/ppc.h
@@ -19,7 +19,9 @@ int ppc_dcr_init (CPUState *env, int (*dcr_read_error)(int dcrn),
int (*dcr_write_error)(int dcrn));
int ppc_dcr_register (CPUState *env, int dcrn, void *opaque,
dcr_read_cb drc_read, dcr_write_cb dcr_write);
-clk_setup_cb ppc_emb_timers_init (CPUState *env, uint32_t freq);
+clk_setup_cb ppc_emb_timers_init (CPUState *env, uint32_t freq,
+ unsigned int decr_excp);
+
/* Embedded PowerPC reset */
void ppc40x_core_reset (CPUState *env);
void ppc40x_chip_reset (CPUState *env);
diff --git a/hw/ppc4xx_devs.c b/hw/ppc4xx_devs.c
index 7f698b8267..5f581fe2c4 100644
--- a/hw/ppc4xx_devs.c
+++ b/hw/ppc4xx_devs.c
@@ -56,7 +56,7 @@ CPUState *ppc4xx_init (const char *cpu_model,
cpu_clk->cb = NULL; /* We don't care about CPU clock frequency changes */
cpu_clk->opaque = env;
/* Set time-base frequency to sysclk */
- tb_clk->cb = ppc_emb_timers_init(env, sysclk);
+ tb_clk->cb = ppc_emb_timers_init(env, sysclk, PPC_INTERRUPT_PIT);
tb_clk->opaque = env;
ppc_dcr_init(env, NULL, NULL);
/* Register qemu callbacks */