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Diffstat (limited to 'target-lm32/exec.h')
-rw-r--r-- | target-lm32/exec.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target-lm32/exec.h b/target-lm32/exec.h new file mode 100644 index 0000000000..348b723f29 --- /dev/null +++ b/target-lm32/exec.h @@ -0,0 +1,50 @@ +/* + * LatticeMico32 execution defines. + * + * Copyright (c) 2010 Michael Walle <michael@walle.cc> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "dyngen-exec.h" + +register struct CPULM32State *env asm(AREG0); + +#include "cpu.h" +#include "exec-all.h" + +static inline int cpu_has_work(CPUState *env) +{ + return env->interrupt_request & CPU_INTERRUPT_HARD; +} + +static inline int cpu_halted(CPUState *env) +{ + if (!env->halted) { + return 0; + } + + /* IRQ execeptions wakes us up. */ + if (cpu_has_work(env)) { + env->halted = 0; + return 0; + } + return EXCP_HALTED; +} + +static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb) +{ + env->pc = tb->pc; +} + |