diff options
Diffstat (limited to 'target-unicore32/helper.c')
| -rw-r--r-- | target-unicore32/helper.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/target-unicore32/helper.c b/target-unicore32/helper.c index 9fe4a375e..9b8ff06d5 100644 --- a/target-unicore32/helper.c +++ b/target-unicore32/helper.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2011 GUAN Xue-tao + * Copyright (C) 2010-2012 Guan Xuetao * * 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 @@ -45,18 +45,26 @@ uint32_t HELPER(clz)(uint32_t x) return clz32(x); } +#ifdef CONFIG_USER_ONLY +void switch_mode(CPUUniCore32State *env, int mode) +{ + if (mode != ASR_MODE_USER) { + cpu_abort(env, "Tried to switch out of user mode\n"); + } +} + void do_interrupt(CPUUniCore32State *env) { - env->exception_index = -1; + cpu_abort(env, "NO interrupt in user mode\n"); } -int uc32_cpu_handle_mmu_fault(CPUUniCore32State *env, target_ulong address, int rw, - int mmu_idx) +int uc32_cpu_handle_mmu_fault(CPUUniCore32State *env, target_ulong address, + int access_type, int mmu_idx) { - env->exception_index = UC32_EXCP_TRAP; - env->cp0.c4_faultaddr = address; + cpu_abort(env, "NO mmu fault in user mode\n"); return 1; } +#endif /* These should probably raise undefined insn exceptions. */ void HELPER(set_cp)(CPUUniCore32State *env, uint32_t insn, uint32_t val) @@ -84,13 +92,6 @@ uint32_t HELPER(get_cp0)(CPUUniCore32State *env, uint32_t insn) return 0; } -void switch_mode(CPUUniCore32State *env, int mode) -{ - if (mode != ASR_MODE_USER) { - cpu_abort(env, "Tried to switch out of user mode\n"); - } -} - void HELPER(set_r29_banked)(CPUUniCore32State *env, uint32_t mode, uint32_t val) { cpu_abort(env, "banked r29 write\n"); |