4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #include "qemu/osdep.h"
21 #include "qemu-common.h"
23 #include "cpu_loop-common.h"
25 void cpu_loop(CPUOpenRISCState *env)
27 CPUState *cs = env_cpu(env);
30 target_siginfo_t info;
34 trapnr = cpu_exec(cs);
36 process_queued_cpu_work(cs);
40 env->pc += 4; /* 0xc00; */
42 cpu_get_gpr(env, 11), /* return value */
43 cpu_get_gpr(env, 3), /* r3 - r7 are params */
48 cpu_get_gpr(env, 8), 0, 0);
49 if (ret == -TARGET_ERESTARTSYS) {
51 } else if (ret != -TARGET_QEMU_ESIGRETURN) {
52 cpu_set_gpr(env, 11, ret);
58 info.si_signo = TARGET_SIGSEGV;
60 info.si_code = TARGET_SEGV_MAPERR;
61 info._sifields._sigfault._addr = env->pc;
62 queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
65 info.si_signo = TARGET_SIGBUS;
67 info.si_code = TARGET_BUS_ADRALN;
68 info._sifields._sigfault._addr = env->pc;
69 queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
72 info.si_signo = TARGET_SIGILL;
74 info.si_code = TARGET_ILL_ILLOPC;
75 info._sifields._sigfault._addr = env->pc;
76 queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
79 info.si_signo = TARGET_SIGFPE;
82 info._sifields._sigfault._addr = env->pc;
83 queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
86 /* We processed the pending cpu work above. */
89 info.si_signo = TARGET_SIGTRAP;
91 info.si_code = TARGET_TRAP_BRKPT;
92 queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
95 cpu_exec_step_atomic(cs);
98 g_assert_not_reached();
100 process_pending_signals(env);
104 void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
108 for (i = 0; i < 32; i++) {
109 cpu_set_gpr(env, i, regs->gpr[i]);
112 cpu_set_sr(env, regs->sr);