diff options
Diffstat (limited to 'target-unicore32/exec.h')
-rw-r--r-- | target-unicore32/exec.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target-unicore32/exec.h b/target-unicore32/exec.h new file mode 100644 index 0000000000..4ab55f42cf --- /dev/null +++ b/target-unicore32/exec.h @@ -0,0 +1,50 @@ +/* + * UniCore32 execution defines + * + * Copyright (C) 2010-2011 GUAN Xue-tao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __UC32_EXEC_H__ +#define __UC32_EXEC_H__ + +#include "config.h" +#include "dyngen-exec.h" + +register struct CPUState_UniCore32 *env asm(AREG0); + +#include "cpu.h" +#include "exec-all.h" + +static inline void env_to_regs(void) +{ +} + +static inline void regs_to_env(void) +{ +} + +static inline int cpu_has_work(CPUState *env) +{ + return env->interrupt_request & + (CPU_INTERRUPT_HARD | CPU_INTERRUPT_EXITTB); +} + +static inline int cpu_halted(CPUState *env) +{ + if (!env->halted) { + return 0; + } + /* An interrupt wakes the CPU even if the I and R ASR bits are + set. We use EXITTB to silently wake CPU without causing an + actual interrupt. */ + if (cpu_has_work(env)) { + env->halted = 0; + return 0; + } + return EXCP_HALTED; +} + +#endif /* __UC32_EXEC_H__ */ |