diff options
Diffstat (limited to 'target-sh4/cpu.c')
| -rw-r--r-- | target-sh4/cpu.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/target-sh4/cpu.c b/target-sh4/cpu.c index e110f98..84d4672 100644 --- a/target-sh4/cpu.c +++ b/target-sh4/cpu.c @@ -1,6 +1,7 @@ /* * QEMU SuperH CPU * + * Copyright (c) 2005 Samuel Tardieu * Copyright (c) 2012 SUSE LINUX Products GmbH * * This library is free software; you can redistribute it and/or @@ -29,9 +30,27 @@ static void superh_cpu_reset(CPUState *s) SuperHCPUClass *scc = SUPERH_CPU_GET_CLASS(cpu); CPUSH4State *env = &cpu->env; + if (qemu_loglevel_mask(CPU_LOG_RESET)) { + qemu_log("CPU Reset (CPU %d)\n", env->cpu_index); + log_cpu_state(env, 0); + } + scc->parent_reset(s); - cpu_state_reset(env); + memset(env, 0, offsetof(CPUSH4State, breakpoints)); + tlb_flush(env, 1); + + env->pc = 0xA0000000; +#if defined(CONFIG_USER_ONLY) + env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */ + set_float_rounding_mode(float_round_nearest_even, &env->fp_status); /* ?! */ +#else + env->sr = SR_MD | SR_RB | SR_BL | SR_I3 | SR_I2 | SR_I1 | SR_I0; + env->fpscr = FPSCR_DN | FPSCR_RM_ZERO; /* CPU reset value according to SH4 manual */ + set_float_rounding_mode(float_round_to_zero, &env->fp_status); + set_flush_to_zero(1, &env->fp_status); +#endif + set_default_nan_mode(1, &env->fp_status); } static void superh_cpu_class_init(ObjectClass *oc, void *data) |