diff options
Diffstat (limited to 'linux-user/main.c')
-rw-r--r-- | linux-user/main.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index d0e0e4fc6a..a0ab8e839c 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -2306,6 +2306,93 @@ done_syscall: } #endif +#ifdef TARGET_OPENRISC + +void cpu_loop(CPUOpenRISCState *env) +{ + int trapnr, gdbsig; + + for (;;) { + trapnr = cpu_exec(env); + gdbsig = 0; + + switch (trapnr) { + case EXCP_RESET: + qemu_log("\nReset request, exit, pc is %#x\n", env->pc); + exit(1); + break; + case EXCP_BUSERR: + qemu_log("\nBus error, exit, pc is %#x\n", env->pc); + gdbsig = SIGBUS; + break; + case EXCP_DPF: + case EXCP_IPF: + cpu_dump_state(env, stderr, fprintf, 0); + gdbsig = TARGET_SIGSEGV; + break; + case EXCP_TICK: + qemu_log("\nTick time interrupt pc is %#x\n", env->pc); + break; + case EXCP_ALIGN: + qemu_log("\nAlignment pc is %#x\n", env->pc); + gdbsig = SIGBUS; + break; + case EXCP_ILLEGAL: + qemu_log("\nIllegal instructionpc is %#x\n", env->pc); + gdbsig = SIGILL; + break; + case EXCP_INT: + qemu_log("\nExternal interruptpc is %#x\n", env->pc); + break; + case EXCP_DTLBMISS: + case EXCP_ITLBMISS: + qemu_log("\nTLB miss\n"); + break; + case EXCP_RANGE: + qemu_log("\nRange\n"); + gdbsig = SIGSEGV; + break; + case EXCP_SYSCALL: + env->pc += 4; /* 0xc00; */ + env->gpr[11] = do_syscall(env, + env->gpr[11], /* return value */ + env->gpr[3], /* r3 - r7 are params */ + env->gpr[4], + env->gpr[5], + env->gpr[6], + env->gpr[7], + env->gpr[8], 0, 0); + break; + case EXCP_FPE: + qemu_log("\nFloating point error\n"); + break; + case EXCP_TRAP: + qemu_log("\nTrap\n"); + gdbsig = SIGTRAP; + break; + case EXCP_NR: + qemu_log("\nNR\n"); + break; + default: + qemu_log("\nqemu: unhandled CPU exception %#x - aborting\n", + trapnr); + cpu_dump_state(env, stderr, fprintf, 0); + gdbsig = TARGET_SIGILL; + break; + } + if (gdbsig) { + gdb_handlesig(env, gdbsig); + if (gdbsig != TARGET_SIGTRAP) { + exit(1); + } + } + + process_pending_signals(env); + } +} + +#endif /* TARGET_OPENRISC */ + #ifdef TARGET_SH4 void cpu_loop(CPUSH4State *env) { @@ -3386,6 +3473,8 @@ int main(int argc, char **argv, char **envp) #else cpu_model = "24Kf"; #endif +#elif defined TARGET_OPENRISC + cpu_model = "or1200"; #elif defined(TARGET_PPC) #ifdef TARGET_PPC64 cpu_model = "970fx"; @@ -3788,6 +3877,17 @@ int main(int argc, char **argv, char **envp) env->hflags |= MIPS_HFLAG_M16; } } +#elif defined(TARGET_OPENRISC) + { + int i; + + for (i = 0; i < 32; i++) { + env->gpr[i] = regs->gpr[i]; + } + + env->sr = regs->sr; + env->pc = regs->pc; + } #elif defined(TARGET_SH4) { int i; |