X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=linux-user%2Fmain.c;h=0c5e6b5b431de2f7151e13ffa88cb77694545eab;hb=c35734b2a6f9b028edacd5813ff271728ce2a9e3;hp=126a9193edc641c8be6f58cccaea2d140c2ea444;hpb=4c2e770f377a2c38bb26c24e333b747511ddd040;p=qemu diff --git a/linux-user/main.c b/linux-user/main.c index 126a919..0c5e6b5 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -34,6 +34,7 @@ #endif static const char *interp_prefix = CONFIG_QEMU_PREFIX; +const char *qemu_uname_release = CONFIG_UNAME_RELEASE; #if defined(__i386__) && !defined(CONFIG_STATIC) /* Force usage of an ELF interpreter even if it is an ELF shared @@ -106,29 +107,7 @@ int cpu_get_pic_interrupt(CPUState *env) /* timers for rdtsc */ -#if defined(__i386__) - -int64_t cpu_get_real_ticks(void) -{ - int64_t val; - asm volatile ("rdtsc" : "=A" (val)); - return val; -} - -#elif defined(__x86_64__) - -int64_t cpu_get_real_ticks(void) -{ - uint32_t low,high; - int64_t val; - asm volatile("rdtsc" : "=a" (low), "=d" (high)); - val = high; - val <<= 32; - val |= low; - return val; -} - -#else +#if 0 static uint64_t emu_time; @@ -143,6 +122,10 @@ int64_t cpu_get_real_ticks(void) /***********************************************************/ /* CPUX86 core interface */ +void cpu_smm_update(CPUState *env) +{ +} + uint64_t cpu_get_tsc(CPUX86State *env) { return cpu_get_real_ticks(); @@ -152,21 +135,25 @@ static void write_dt(void *ptr, unsigned long addr, unsigned long limit, int flags) { unsigned int e1, e2; + uint32_t *p; e1 = (addr << 16) | (limit & 0xffff); e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); e2 |= flags; - stl((uint8_t *)ptr, e1); - stl((uint8_t *)ptr + 4, e2); + p = ptr; + p[0] = tswapl(e1); + p[1] = tswapl(e2); } static void set_gate(void *ptr, unsigned int type, unsigned int dpl, unsigned long addr, unsigned int sel) { unsigned int e1, e2; + uint32_t *p; e1 = (addr & 0xffff) | (sel << 16); e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); - stl((uint8_t *)ptr, e1); - stl((uint8_t *)ptr + 4, e2); + p = ptr; + p[0] = tswapl(e1); + p[1] = tswapl(e2); } uint64_t gdt_table[6]; @@ -278,6 +265,20 @@ void cpu_loop(CPUX86State *env) case EXCP_INTERRUPT: /* just indicate that signals should be handled asap */ break; + case EXCP_DEBUG: + { + int sig; + + sig = gdb_handlesig (env, TARGET_SIGTRAP); + if (sig) + { + info.si_signo = sig; + info.si_errno = 0; + info.si_code = TARGET_TRAP_BRKPT; + queue_signal(info.si_signo, &info); + } + } + break; default: pc = env->segs[R_CS].base + env->eip; fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n", @@ -317,6 +318,7 @@ void cpu_loop(CPUARMState *env) int trapnr; unsigned int n, insn; target_siginfo_t info; + uint32_t addr; for(;;) { trapnr = cpu_arm_exec(env); @@ -328,9 +330,9 @@ void cpu_loop(CPUARMState *env) /* we handle the FPU emulation here, as Linux */ /* we get the opcode */ - opcode = ldl_raw((uint8_t *)env->regs[15]); + opcode = tget32(env->regs[15]); - if (EmulateAll(opcode, &ts->fpa, env->regs) == 0) { + if (EmulateAll(opcode, &ts->fpa, env) == 0) { info.si_signo = SIGILL; info.si_errno = 0; info.si_code = TARGET_ILL_ILLOPN; @@ -343,15 +345,44 @@ void cpu_loop(CPUARMState *env) } break; case EXCP_SWI: + case EXCP_BKPT: { + env->eabi = 1; /* system call */ - insn = ldl((void *)(env->regs[15] - 4)); - n = insn & 0xffffff; + if (trapnr == EXCP_BKPT) { + if (env->thumb) { + insn = tget16(env->regs[15]); + n = insn & 0xff; + env->regs[15] += 2; + } else { + insn = tget32(env->regs[15]); + n = (insn & 0xf) | ((insn >> 4) & 0xff0); + env->regs[15] += 4; + } + } else { + if (env->thumb) { + insn = tget16(env->regs[15] - 2); + n = insn & 0xff; + } else { + insn = tget32(env->regs[15] - 4); + n = insn & 0xffffff; + } + } + if (n == ARM_NR_cacheflush) { arm_cache_flush(env->regs[0], env->regs[1]); - } else if (n >= ARM_SYSCALL_BASE) { + } else if (n == ARM_NR_semihosting + || n == ARM_NR_thumb_semihosting) { + env->regs[0] = do_arm_semihosting (env); + } else if (n == 0 || n >= ARM_SYSCALL_BASE + || (env->thumb && n == ARM_THUMB_SYSCALL)) { /* linux syscall */ - n -= ARM_SYSCALL_BASE; + if (env->thumb || n == 0) { + n = env->regs[7]; + } else { + n -= ARM_SYSCALL_BASE; + env->eabi = 0; + } env->regs[0] = do_syscall(env, n, env->regs[0], @@ -359,7 +390,7 @@ void cpu_loop(CPUARMState *env) env->regs[2], env->regs[3], env->regs[4], - 0); + env->regs[5]); } else { goto error; } @@ -369,16 +400,35 @@ void cpu_loop(CPUARMState *env) /* just indicate that signals should be handled asap */ break; case EXCP_PREFETCH_ABORT: + addr = env->cp15.c6_data; + goto do_segv; case EXCP_DATA_ABORT: + addr = env->cp15.c6_insn; + goto do_segv; + do_segv: { info.si_signo = SIGSEGV; info.si_errno = 0; /* XXX: check env->error_code */ info.si_code = TARGET_SEGV_MAPERR; - info._sifields._sigfault._addr = env->cp15_6; + info._sifields._sigfault._addr = addr; queue_signal(info.si_signo, &info); } break; + case EXCP_DEBUG: + { + int sig; + + sig = gdb_handlesig (env, TARGET_SIGTRAP); + if (sig) + { + info.si_signo = sig; + info.si_errno = 0; + info.si_code = TARGET_TRAP_BRKPT; + queue_signal(info.si_signo, &info); + } + } + break; default: error: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", @@ -412,49 +462,60 @@ static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) static inline void save_window_offset(CPUSPARCState *env, int cwp1) { unsigned int i; - uint32_t *sp_ptr; + target_ulong sp_ptr; - sp_ptr = (uint32_t *)(env->regbase[get_reg_index(env, cwp1, 6)]); + sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; #if defined(DEBUG_WIN) printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n", (int)sp_ptr, cwp1); #endif for(i = 0; i < 16; i++) { - put_user(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); - sp_ptr++; + tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]); + sp_ptr += sizeof(target_ulong); } } static void save_window(CPUSPARCState *env) { +#ifndef TARGET_SPARC64 unsigned int new_wim; new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) & ((1LL << NWINDOWS) - 1); save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); env->wim = new_wim; +#else + save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); + env->cansave++; + env->canrestore--; +#endif } static void restore_window(CPUSPARCState *env) { unsigned int new_wim, i, cwp1; - uint32_t *sp_ptr, reg; + target_ulong sp_ptr; new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) & ((1LL << NWINDOWS) - 1); /* restore the invalid window */ cwp1 = (env->cwp + 1) & (NWINDOWS - 1); - sp_ptr = (uint32_t *)(env->regbase[get_reg_index(env, cwp1, 6)]); + sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)]; #if defined(DEBUG_WIN) printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n", (int)sp_ptr, cwp1); #endif for(i = 0; i < 16; i++) { - get_user(reg, sp_ptr); - env->regbase[get_reg_index(env, cwp1, 8 + i)] = reg; - sp_ptr++; + env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr); + sp_ptr += sizeof(target_ulong); } env->wim = new_wim; +#ifdef TARGET_SPARC64 + env->canrestore++; + if (env->cleanwin < NWINDOWS - 1) + env->cleanwin++; + env->cansave--; +#endif } static void flush_windows(CPUSPARCState *env) @@ -487,17 +548,29 @@ void cpu_loop (CPUSPARCState *env) trapnr = cpu_sparc_exec (env); switch (trapnr) { +#ifndef TARGET_SPARC64 case 0x88: case 0x90: +#else + case 0x16d: +#endif ret = do_syscall (env, env->gregs[1], env->regwptr[0], env->regwptr[1], env->regwptr[2], env->regwptr[3], env->regwptr[4], env->regwptr[5]); if ((unsigned int)ret >= (unsigned int)(-515)) { +#ifdef TARGET_SPARC64 + env->xcc |= PSR_CARRY; +#else env->psr |= PSR_CARRY; +#endif ret = -ret; } else { +#ifdef TARGET_SPARC64 + env->xcc &= ~PSR_CARRY; +#else env->psr &= ~PSR_CARRY; +#endif } env->regwptr[0] = ret; /* next instruction */ @@ -510,6 +583,7 @@ void cpu_loop (CPUSPARCState *env) env->pc = env->npc; env->npc = env->npc + 4; break; +#ifndef TARGET_SPARC64 case TT_WIN_OVF: /* window overflow */ save_window(env); break; @@ -527,8 +601,32 @@ void cpu_loop (CPUSPARCState *env) queue_signal(info.si_signo, &info); } break; - case 0x100: // XXX, why do we get these? - break; +#else + case TT_SPILL: /* window overflow */ + save_window(env); + break; + case TT_FILL: /* window underflow */ + restore_window(env); + break; + // XXX +#endif + case EXCP_INTERRUPT: + /* just indicate that signals should be handled asap */ + break; + case EXCP_DEBUG: + { + int sig; + + sig = gdb_handlesig (env, TARGET_SIGTRAP); + if (sig) + { + info.si_signo = sig; + info.si_errno = 0; + info.si_code = TARGET_TRAP_BRKPT; + queue_signal(info.si_signo, &info); + } + } + break; default: printf ("Unhandled trap: 0x%x\n", trapnr); cpu_dump_state(env, stderr, fprintf, 0); @@ -572,18 +670,23 @@ void cpu_ppc_store_tbl (CPUState *env, uint32_t value) { cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value); } - -uint32_t cpu_ppc_load_decr (CPUState *env) + +void cpu_ppc601_store_rtcu (CPUState *env, uint32_t value) +__attribute__ (( alias ("cpu_ppc_store_tbu") )); + +uint32_t cpu_ppc601_load_rtcu (CPUState *env) +__attribute__ (( alias ("cpu_ppc_load_tbu") )); + +void cpu_ppc601_store_rtcl (CPUState *env, uint32_t value) { - /* TO FIX */ - return -1; + cpu_ppc_store_tbl(env, value & 0x3FFFFF80); } - -void cpu_ppc_store_decr (CPUState *env, uint32_t value) + +uint32_t cpu_ppc601_load_rtcl (CPUState *env) { - /* TO FIX */ + return cpu_ppc_load_tbl(env) & 0x3FFFFF80; } - + void cpu_loop(CPUPPCState *env) { target_siginfo_t info; @@ -640,33 +743,28 @@ void cpu_loop(CPUPPCState *env) info._sifields._sigfault._addr = env->nip - 4; queue_signal(info.si_signo, &info); case EXCP_DSI: - fprintf(stderr, "Invalid data memory access: 0x%08x\n", env->spr[DAR]); + fprintf(stderr, "Invalid data memory access: 0x%08x\n", + env->spr[SPR_DAR]); if (loglevel) { fprintf(logfile, "Invalid data memory access: 0x%08x\n", - env->spr[DAR]); + env->spr[SPR_DAR]); } - switch (env->error_code & 0xF) { - case EXCP_DSI_TRANSLATE: + switch (env->error_code & 0xFF000000) { + case 0x40000000: info.si_signo = TARGET_SIGSEGV; info.si_errno = 0; info.si_code = TARGET_SEGV_MAPERR; break; - case EXCP_DSI_NOTSUP: - case EXCP_DSI_EXTERNAL: + case 0x04000000: info.si_signo = TARGET_SIGILL; info.si_errno = 0; info.si_code = TARGET_ILL_ILLADR; break; - case EXCP_DSI_PROT: + case 0x08000000: info.si_signo = TARGET_SIGSEGV; info.si_errno = 0; info.si_code = TARGET_SEGV_ACCERR; break; - case EXCP_DSI_DABR: - info.si_signo = TARGET_SIGTRAP; - info.si_errno = 0; - info.si_code = TARGET_TRAP_BRKPT; - break; default: /* Let's send a regular segfault... */ fprintf(stderr, "Invalid segfault errno (%02x)\n", @@ -687,19 +785,14 @@ void cpu_loop(CPUPPCState *env) fprintf(stderr, "Invalid instruction fetch\n"); if (loglevel) fprintf(logfile, "Invalid instruction fetch\n"); - switch (env->error_code) { - case EXCP_ISI_TRANSLATE: + switch (env->error_code & 0xFF000000) { + case 0x40000000: info.si_signo = TARGET_SIGSEGV; info.si_errno = 0; info.si_code = TARGET_SEGV_MAPERR; break; - case EXCP_ISI_GUARD: - info.si_signo = TARGET_SIGILL; - info.si_errno = 0; - info.si_code = TARGET_ILL_ILLADR; - break; - case EXCP_ISI_NOEXEC: - case EXCP_ISI_PROT: + case 0x10000000: + case 0x08000000: info.si_signo = TARGET_SIGSEGV; info.si_errno = 0; info.si_code = TARGET_SEGV_ACCERR; @@ -869,18 +962,6 @@ void cpu_loop(CPUPPCState *env) if (loglevel) fprintf(logfile, "Decrementer exception\n"); abort(); - case EXCP_RESA: /* Implementation specific */ - /* Should not happen ! */ - fprintf(stderr, "RESA exception should never happen !\n"); - if (loglevel) - fprintf(logfile, "RESA exception should never happen !\n"); - abort(); - case EXCP_RESB: /* Implementation specific */ - /* Should not happen ! */ - fprintf(stderr, "RESB exception should never happen !\n"); - if (loglevel) - fprintf(logfile, "RESB exception should never happen !\n"); - abort(); case EXCP_TRACE: /* Do nothing: we use this to trace execution */ break; @@ -902,17 +983,23 @@ void cpu_loop(CPUPPCState *env) case EXCP_BRANCH: /* We stopped because of a jump... */ break; - case EXCP_RFI: - /* Should not occur: we always are in user mode */ - fprintf(stderr, "Return from interrupt ?\n"); - if (loglevel) - fprintf(logfile, "Return from interrupt ?\n"); - abort(); case EXCP_INTERRUPT: /* Don't know why this should ever happen... */ break; - case EXCP_DEBUG: - break; + case EXCP_DEBUG: + { + int sig; + + sig = gdb_handlesig (env, TARGET_SIGTRAP); + if (sig) + { + info.si_signo = sig; + info.si_errno = 0; + info.si_code = TARGET_TRAP_BRKPT; + queue_signal(info.si_signo, &info); + } + } + break; default: fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr); @@ -927,15 +1014,537 @@ void cpu_loop(CPUPPCState *env) } #endif +#ifdef TARGET_MIPS + +#define MIPS_SYS(name, args) args, + +static const uint8_t mips_syscall_args[] = { + MIPS_SYS(sys_syscall , 0) /* 4000 */ + MIPS_SYS(sys_exit , 1) + MIPS_SYS(sys_fork , 0) + MIPS_SYS(sys_read , 3) + MIPS_SYS(sys_write , 3) + MIPS_SYS(sys_open , 3) /* 4005 */ + MIPS_SYS(sys_close , 1) + MIPS_SYS(sys_waitpid , 3) + MIPS_SYS(sys_creat , 2) + MIPS_SYS(sys_link , 2) + MIPS_SYS(sys_unlink , 1) /* 4010 */ + MIPS_SYS(sys_execve , 0) + MIPS_SYS(sys_chdir , 1) + MIPS_SYS(sys_time , 1) + MIPS_SYS(sys_mknod , 3) + MIPS_SYS(sys_chmod , 2) /* 4015 */ + MIPS_SYS(sys_lchown , 3) + MIPS_SYS(sys_ni_syscall , 0) + MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ + MIPS_SYS(sys_lseek , 3) + MIPS_SYS(sys_getpid , 0) /* 4020 */ + MIPS_SYS(sys_mount , 5) + MIPS_SYS(sys_oldumount , 1) + MIPS_SYS(sys_setuid , 1) + MIPS_SYS(sys_getuid , 0) + MIPS_SYS(sys_stime , 1) /* 4025 */ + MIPS_SYS(sys_ptrace , 4) + MIPS_SYS(sys_alarm , 1) + MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ + MIPS_SYS(sys_pause , 0) + MIPS_SYS(sys_utime , 2) /* 4030 */ + MIPS_SYS(sys_ni_syscall , 0) + MIPS_SYS(sys_ni_syscall , 0) + MIPS_SYS(sys_access , 2) + MIPS_SYS(sys_nice , 1) + MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ + MIPS_SYS(sys_sync , 0) + MIPS_SYS(sys_kill , 2) + MIPS_SYS(sys_rename , 2) + MIPS_SYS(sys_mkdir , 2) + MIPS_SYS(sys_rmdir , 1) /* 4040 */ + MIPS_SYS(sys_dup , 1) + MIPS_SYS(sys_pipe , 0) + MIPS_SYS(sys_times , 1) + MIPS_SYS(sys_ni_syscall , 0) + MIPS_SYS(sys_brk , 1) /* 4045 */ + MIPS_SYS(sys_setgid , 1) + MIPS_SYS(sys_getgid , 0) + MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ + MIPS_SYS(sys_geteuid , 0) + MIPS_SYS(sys_getegid , 0) /* 4050 */ + MIPS_SYS(sys_acct , 0) + MIPS_SYS(sys_umount , 2) + MIPS_SYS(sys_ni_syscall , 0) + MIPS_SYS(sys_ioctl , 3) + MIPS_SYS(sys_fcntl , 3) /* 4055 */ + MIPS_SYS(sys_ni_syscall , 2) + MIPS_SYS(sys_setpgid , 2) + MIPS_SYS(sys_ni_syscall , 0) + MIPS_SYS(sys_olduname , 1) + MIPS_SYS(sys_umask , 1) /* 4060 */ + MIPS_SYS(sys_chroot , 1) + MIPS_SYS(sys_ustat , 2) + MIPS_SYS(sys_dup2 , 2) + MIPS_SYS(sys_getppid , 0) + MIPS_SYS(sys_getpgrp , 0) /* 4065 */ + MIPS_SYS(sys_setsid , 0) + MIPS_SYS(sys_sigaction , 3) + MIPS_SYS(sys_sgetmask , 0) + MIPS_SYS(sys_ssetmask , 1) + MIPS_SYS(sys_setreuid , 2) /* 4070 */ + MIPS_SYS(sys_setregid , 2) + MIPS_SYS(sys_sigsuspend , 0) + MIPS_SYS(sys_sigpending , 1) + MIPS_SYS(sys_sethostname , 2) + MIPS_SYS(sys_setrlimit , 2) /* 4075 */ + MIPS_SYS(sys_getrlimit , 2) + MIPS_SYS(sys_getrusage , 2) + MIPS_SYS(sys_gettimeofday, 2) + MIPS_SYS(sys_settimeofday, 2) + MIPS_SYS(sys_getgroups , 2) /* 4080 */ + MIPS_SYS(sys_setgroups , 2) + MIPS_SYS(sys_ni_syscall , 0) /* old_select */ + MIPS_SYS(sys_symlink , 2) + MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ + MIPS_SYS(sys_readlink , 3) /* 4085 */ + MIPS_SYS(sys_uselib , 1) + MIPS_SYS(sys_swapon , 2) + MIPS_SYS(sys_reboot , 3) + MIPS_SYS(old_readdir , 3) + MIPS_SYS(old_mmap , 6) /* 4090 */ + MIPS_SYS(sys_munmap , 2) + MIPS_SYS(sys_truncate , 2) + MIPS_SYS(sys_ftruncate , 2) + MIPS_SYS(sys_fchmod , 2) + MIPS_SYS(sys_fchown , 3) /* 4095 */ + MIPS_SYS(sys_getpriority , 2) + MIPS_SYS(sys_setpriority , 3) + MIPS_SYS(sys_ni_syscall , 0) + MIPS_SYS(sys_statfs , 2) + MIPS_SYS(sys_fstatfs , 2) /* 4100 */ + MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ + MIPS_SYS(sys_socketcall , 2) + MIPS_SYS(sys_syslog , 3) + MIPS_SYS(sys_setitimer , 3) + MIPS_SYS(sys_getitimer , 2) /* 4105 */ + MIPS_SYS(sys_newstat , 2) + MIPS_SYS(sys_newlstat , 2) + MIPS_SYS(sys_newfstat , 2) + MIPS_SYS(sys_uname , 1) + MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ + MIPS_SYS(sys_vhangup , 0) + MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ + MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ + MIPS_SYS(sys_wait4 , 4) + MIPS_SYS(sys_swapoff , 1) /* 4115 */ + MIPS_SYS(sys_sysinfo , 1) + MIPS_SYS(sys_ipc , 6) + MIPS_SYS(sys_fsync , 1) + MIPS_SYS(sys_sigreturn , 0) + MIPS_SYS(sys_clone , 0) /* 4120 */ + MIPS_SYS(sys_setdomainname, 2) + MIPS_SYS(sys_newuname , 1) + MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ + MIPS_SYS(sys_adjtimex , 1) + MIPS_SYS(sys_mprotect , 3) /* 4125 */ + MIPS_SYS(sys_sigprocmask , 3) + MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ + MIPS_SYS(sys_init_module , 5) + MIPS_SYS(sys_delete_module, 1) + MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ + MIPS_SYS(sys_quotactl , 0) + MIPS_SYS(sys_getpgid , 1) + MIPS_SYS(sys_fchdir , 1) + MIPS_SYS(sys_bdflush , 2) + MIPS_SYS(sys_sysfs , 3) /* 4135 */ + MIPS_SYS(sys_personality , 1) + MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ + MIPS_SYS(sys_setfsuid , 1) + MIPS_SYS(sys_setfsgid , 1) + MIPS_SYS(sys_llseek , 5) /* 4140 */ + MIPS_SYS(sys_getdents , 3) + MIPS_SYS(sys_select , 5) + MIPS_SYS(sys_flock , 2) + MIPS_SYS(sys_msync , 3) + MIPS_SYS(sys_readv , 3) /* 4145 */ + MIPS_SYS(sys_writev , 3) + MIPS_SYS(sys_cacheflush , 3) + MIPS_SYS(sys_cachectl , 3) + MIPS_SYS(sys_sysmips , 4) + MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ + MIPS_SYS(sys_getsid , 1) + MIPS_SYS(sys_fdatasync , 0) + MIPS_SYS(sys_sysctl , 1) + MIPS_SYS(sys_mlock , 2) + MIPS_SYS(sys_munlock , 2) /* 4155 */ + MIPS_SYS(sys_mlockall , 1) + MIPS_SYS(sys_munlockall , 0) + MIPS_SYS(sys_sched_setparam, 2) + MIPS_SYS(sys_sched_getparam, 2) + MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ + MIPS_SYS(sys_sched_getscheduler, 1) + MIPS_SYS(sys_sched_yield , 0) + MIPS_SYS(sys_sched_get_priority_max, 1) + MIPS_SYS(sys_sched_get_priority_min, 1) + MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ + MIPS_SYS(sys_nanosleep, 2) + MIPS_SYS(sys_mremap , 4) + MIPS_SYS(sys_accept , 3) + MIPS_SYS(sys_bind , 3) + MIPS_SYS(sys_connect , 3) /* 4170 */ + MIPS_SYS(sys_getpeername , 3) + MIPS_SYS(sys_getsockname , 3) + MIPS_SYS(sys_getsockopt , 5) + MIPS_SYS(sys_listen , 2) + MIPS_SYS(sys_recv , 4) /* 4175 */ + MIPS_SYS(sys_recvfrom , 6) + MIPS_SYS(sys_recvmsg , 3) + MIPS_SYS(sys_send , 4) + MIPS_SYS(sys_sendmsg , 3) + MIPS_SYS(sys_sendto , 6) /* 4180 */ + MIPS_SYS(sys_setsockopt , 5) + MIPS_SYS(sys_shutdown , 2) + MIPS_SYS(sys_socket , 3) + MIPS_SYS(sys_socketpair , 4) + MIPS_SYS(sys_setresuid , 3) /* 4185 */ + MIPS_SYS(sys_getresuid , 3) + MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ + MIPS_SYS(sys_poll , 3) + MIPS_SYS(sys_nfsservctl , 3) + MIPS_SYS(sys_setresgid , 3) /* 4190 */ + MIPS_SYS(sys_getresgid , 3) + MIPS_SYS(sys_prctl , 5) + MIPS_SYS(sys_rt_sigreturn, 0) + MIPS_SYS(sys_rt_sigaction, 4) + MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ + MIPS_SYS(sys_rt_sigpending, 2) + MIPS_SYS(sys_rt_sigtimedwait, 4) + MIPS_SYS(sys_rt_sigqueueinfo, 3) + MIPS_SYS(sys_rt_sigsuspend, 0) + MIPS_SYS(sys_pread64 , 6) /* 4200 */ + MIPS_SYS(sys_pwrite64 , 6) + MIPS_SYS(sys_chown , 3) + MIPS_SYS(sys_getcwd , 2) + MIPS_SYS(sys_capget , 2) + MIPS_SYS(sys_capset , 2) /* 4205 */ + MIPS_SYS(sys_sigaltstack , 0) + MIPS_SYS(sys_sendfile , 4) + MIPS_SYS(sys_ni_syscall , 0) + MIPS_SYS(sys_ni_syscall , 0) + MIPS_SYS(sys_mmap2 , 6) /* 4210 */ + MIPS_SYS(sys_truncate64 , 4) + MIPS_SYS(sys_ftruncate64 , 4) + MIPS_SYS(sys_stat64 , 2) + MIPS_SYS(sys_lstat64 , 2) + MIPS_SYS(sys_fstat64 , 2) /* 4215 */ + MIPS_SYS(sys_pivot_root , 2) + MIPS_SYS(sys_mincore , 3) + MIPS_SYS(sys_madvise , 3) + MIPS_SYS(sys_getdents64 , 3) + MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ + MIPS_SYS(sys_ni_syscall , 0) + MIPS_SYS(sys_gettid , 0) + MIPS_SYS(sys_readahead , 5) + MIPS_SYS(sys_setxattr , 5) + MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ + MIPS_SYS(sys_fsetxattr , 5) + MIPS_SYS(sys_getxattr , 4) + MIPS_SYS(sys_lgetxattr , 4) + MIPS_SYS(sys_fgetxattr , 4) + MIPS_SYS(sys_listxattr , 3) /* 4230 */ + MIPS_SYS(sys_llistxattr , 3) + MIPS_SYS(sys_flistxattr , 3) + MIPS_SYS(sys_removexattr , 2) + MIPS_SYS(sys_lremovexattr, 2) + MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ + MIPS_SYS(sys_tkill , 2) + MIPS_SYS(sys_sendfile64 , 5) + MIPS_SYS(sys_futex , 2) + MIPS_SYS(sys_sched_setaffinity, 3) + MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ + MIPS_SYS(sys_io_setup , 2) + MIPS_SYS(sys_io_destroy , 1) + MIPS_SYS(sys_io_getevents, 5) + MIPS_SYS(sys_io_submit , 3) + MIPS_SYS(sys_io_cancel , 3) /* 4245 */ + MIPS_SYS(sys_exit_group , 1) + MIPS_SYS(sys_lookup_dcookie, 3) + MIPS_SYS(sys_epoll_create, 1) + MIPS_SYS(sys_epoll_ctl , 4) + MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ + MIPS_SYS(sys_remap_file_pages, 5) + MIPS_SYS(sys_set_tid_address, 1) + MIPS_SYS(sys_restart_syscall, 0) + MIPS_SYS(sys_fadvise64_64, 7) + MIPS_SYS(sys_statfs64 , 3) /* 4255 */ + MIPS_SYS(sys_fstatfs64 , 2) + MIPS_SYS(sys_timer_create, 3) + MIPS_SYS(sys_timer_settime, 4) + MIPS_SYS(sys_timer_gettime, 2) + MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ + MIPS_SYS(sys_timer_delete, 1) + MIPS_SYS(sys_clock_settime, 2) + MIPS_SYS(sys_clock_gettime, 2) + MIPS_SYS(sys_clock_getres, 2) + MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ + MIPS_SYS(sys_tgkill , 3) + MIPS_SYS(sys_utimes , 2) + MIPS_SYS(sys_mbind , 4) + MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ + MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ + MIPS_SYS(sys_mq_open , 4) + MIPS_SYS(sys_mq_unlink , 1) + MIPS_SYS(sys_mq_timedsend, 5) + MIPS_SYS(sys_mq_timedreceive, 5) + MIPS_SYS(sys_mq_notify , 2) /* 4275 */ + MIPS_SYS(sys_mq_getsetattr, 3) + MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ + MIPS_SYS(sys_waitid , 4) + MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ + MIPS_SYS(sys_add_key , 5) + MIPS_SYS(sys_request_key , 4) + MIPS_SYS(sys_keyctl , 5) + MIPS_SYS(sys_set_thread_area, 1) +}; + +#undef MIPS_SYS + +void cpu_loop(CPUMIPSState *env) +{ + target_siginfo_t info; + int trapnr, ret, nb_args; + unsigned int syscall_num; + target_ulong arg5, arg6, sp_reg; + + for(;;) { + trapnr = cpu_mips_exec(env); + switch(trapnr) { + case EXCP_SYSCALL: + { + syscall_num = env->gpr[2] - 4000; + env->PC += 4; + if (syscall_num >= sizeof(mips_syscall_args)) { + ret = -ENOSYS; + } else { + nb_args = mips_syscall_args[syscall_num]; + if (nb_args >= 5) { + sp_reg = env->gpr[29]; + /* these arguments are taken from the stack */ + arg5 = tgetl(sp_reg + 16); + if (nb_args >= 6) { + arg6 = tgetl(sp_reg + 20); + } else { + arg6 = 0; + } + } else { + arg5 = 0; + arg6 = 0; + } + ret = do_syscall(env, + env->gpr[2], + env->gpr[4], + env->gpr[5], + env->gpr[6], + env->gpr[7], + arg5, + arg6); + } + if ((unsigned int)ret >= (unsigned int)(-1133)) { + env->gpr[7] = 1; /* error flag */ + ret = -ret; + env->gpr[0] = ret; + env->gpr[2] = ret; + } else { + env->gpr[7] = 0; /* error flag */ + env->gpr[2] = ret; + } + } + break; + case EXCP_TLBL: + case EXCP_TLBS: + case EXCP_CpU: + case EXCP_RI: + info.si_signo = TARGET_SIGILL; + info.si_errno = 0; + info.si_code = 0; + queue_signal(info.si_signo, &info); + break; + case EXCP_INTERRUPT: + /* just indicate that signals should be handled asap */ + break; + case EXCP_DEBUG: + { + int sig; + + sig = gdb_handlesig (env, TARGET_SIGTRAP); + if (sig) + { + info.si_signo = sig; + info.si_errno = 0; + info.si_code = TARGET_TRAP_BRKPT; + queue_signal(info.si_signo, &info); + } + } + break; + default: + // error: + fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", + trapnr); + cpu_dump_state(env, stderr, fprintf, 0); + abort(); + } + process_pending_signals(env); + } +} +#endif + +#ifdef TARGET_SH4 +void cpu_loop (CPUState *env) +{ + int trapnr, ret; + target_siginfo_t info; + + while (1) { + trapnr = cpu_sh4_exec (env); + + switch (trapnr) { + case 0x160: + ret = do_syscall(env, + env->gregs[3], + env->gregs[4], + env->gregs[5], + env->gregs[6], + env->gregs[7], + env->gregs[0], + 0); + env->gregs[0] = ret; + env->pc += 2; + break; + case EXCP_DEBUG: + { + int sig; + + sig = gdb_handlesig (env, TARGET_SIGTRAP); + if (sig) + { + info.si_signo = sig; + info.si_errno = 0; + info.si_code = TARGET_TRAP_BRKPT; + queue_signal(info.si_signo, &info); + } + } + break; + default: + printf ("Unhandled trap: 0x%x\n", trapnr); + cpu_dump_state(env, stderr, fprintf, 0); + exit (1); + } + process_pending_signals (env); + } +} +#endif + +#ifdef TARGET_M68K + +void cpu_loop(CPUM68KState *env) +{ + int trapnr; + unsigned int n; + target_siginfo_t info; + TaskState *ts = env->opaque; + + for(;;) { + trapnr = cpu_m68k_exec(env); + switch(trapnr) { + case EXCP_ILLEGAL: + { + if (ts->sim_syscalls) { + uint16_t nr; + nr = lduw(env->pc + 2); + env->pc += 4; + do_m68k_simcall(env, nr); + } else { + goto do_sigill; + } + } + break; + case EXCP_HALTED: + /* Semihosing syscall. */ + env->pc += 2; + do_m68k_semihosting(env, env->dregs[0]); + break; + case EXCP_LINEA: + case EXCP_LINEF: + case EXCP_UNSUPPORTED: + do_sigill: + info.si_signo = SIGILL; + info.si_errno = 0; + info.si_code = TARGET_ILL_ILLOPN; + info._sifields._sigfault._addr = env->pc; + queue_signal(info.si_signo, &info); + break; + case EXCP_TRAP0: + { + ts->sim_syscalls = 0; + n = env->dregs[0]; + env->pc += 2; + env->dregs[0] = do_syscall(env, + n, + env->dregs[1], + env->dregs[2], + env->dregs[3], + env->dregs[4], + env->dregs[5], + env->dregs[6]); + } + break; + case EXCP_INTERRUPT: + /* just indicate that signals should be handled asap */ + break; + case EXCP_ACCESS: + { + info.si_signo = SIGSEGV; + info.si_errno = 0; + /* XXX: check env->error_code */ + info.si_code = TARGET_SEGV_MAPERR; + info._sifields._sigfault._addr = env->mmu.ar; + queue_signal(info.si_signo, &info); + } + break; + case EXCP_DEBUG: + { + int sig; + + sig = gdb_handlesig (env, TARGET_SIGTRAP); + if (sig) + { + info.si_signo = sig; + info.si_errno = 0; + info.si_code = TARGET_TRAP_BRKPT; + queue_signal(info.si_signo, &info); + } + } + break; + default: + fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", + trapnr); + cpu_dump_state(env, stderr, fprintf, 0); + abort(); + } + process_pending_signals(env); + } +} +#endif /* TARGET_M68K */ + void usage(void) { - printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" - "usage: qemu-" TARGET_ARCH " [-h] [-d opts] [-L path] [-s size] program [arguments...]\n" + printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n" + "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] [-cpu model] program [arguments...]\n" "Linux CPU emulator (compiled for %s emulation)\n" "\n" "-h print this help\n" + "-g port wait gdb connection to port\n" "-L path set the elf interpreter prefix (default=%s)\n" "-s size set the stack size in bytes (default=%ld)\n" + "-cpu model select CPU (-cpu ? for list)\n" "\n" "debug options:\n" #ifdef USE_CODE_COPY @@ -952,8 +1561,6 @@ void usage(void) /* XXX: currently only used for async signals (see signal.c) */ CPUState *global_env; -/* used only if single thread */ -CPUState *cpu_single_env = NULL; /* used to free thread contexts */ TaskState *first_task_state; @@ -961,12 +1568,14 @@ TaskState *first_task_state; int main(int argc, char **argv) { const char *filename; + const char *cpu_model; struct target_pt_regs regs1, *regs = ®s1; struct image_info info1, *info = &info1; TaskState ts1, *ts = &ts1; CPUState *env; int optind; const char *r; + int gdbstub_port = 0; if (argc <= 1) usage(); @@ -974,6 +1583,7 @@ int main(int argc, char **argv) /* init debug */ cpu_set_log_filename(DEBUG_LOGFILE); + cpu_model = NULL; optind = 1; for(;;) { if (optind >= argc) @@ -1020,6 +1630,22 @@ int main(int argc, char **argv) fprintf(stderr, "page size must be a power of two\n"); exit(1); } + } else if (!strcmp(r, "g")) { + gdbstub_port = atoi(argv[optind++]); + } else if (!strcmp(r, "r")) { + qemu_uname_release = argv[optind++]; + } else if (!strcmp(r, "cpu")) { + cpu_model = argv[optind++]; + if (strcmp(cpu_model, "?") == 0) { +#if defined(TARGET_PPC) + ppc_cpu_list(stdout, &fprintf); +#elif defined(TARGET_ARM) + arm_cpu_list(); +#elif defined(TARGET_MIPS) + mips_cpu_list(stdout, &fprintf); +#endif + _exit(1); + } } else #ifdef USE_CODE_COPY if (!strcmp(r, "no-code-copy")) { @@ -1046,8 +1672,9 @@ int main(int argc, char **argv) /* NOTE: we need to init the CPU at this stage to get qemu_host_page_size */ env = cpu_init(); + global_env = env; - if (elf_exec(filename, argv+optind, environ, regs, info) != 0) { + if (loader_exec(filename, argv+optind, environ, regs, info) != 0) { printf("Error loading %s\n", filename); _exit(1); } @@ -1058,22 +1685,22 @@ int main(int argc, char **argv) fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk); fprintf(logfile, "end_code 0x%08lx\n" , info->end_code); fprintf(logfile, "start_code 0x%08lx\n" , info->start_code); + fprintf(logfile, "start_data 0x%08lx\n" , info->start_data); fprintf(logfile, "end_data 0x%08lx\n" , info->end_data); fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack); fprintf(logfile, "brk 0x%08lx\n" , info->brk); fprintf(logfile, "entry 0x%08lx\n" , info->entry); } - target_set_brk((char *)info->brk); + target_set_brk(info->brk); syscall_init(); signal_init(); - global_env = env; - /* build Task State */ memset(ts, 0, sizeof(TaskState)); env->opaque = ts; ts->used = 1; + ts->info = info; env->user_mode_only = 1; #if defined(TARGET_I386) @@ -1101,7 +1728,7 @@ int main(int argc, char **argv) env->eip = regs->eip; /* linux interrupt setup */ - env->idt.base = (long)idt_table; + env->idt.base = h2g(idt_table); env->idt.limit = sizeof(idt_table) - 1; set_idt(0, 0); set_idt(1, 0); @@ -1126,7 +1753,7 @@ int main(int argc, char **argv) set_idt(0x80, 3); /* linux segment setup */ - env->gdt.base = (long)gdt_table; + env->gdt.base = h2g(gdt_table); env->gdt.limit = sizeof(gdt_table) - 1; write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | @@ -1144,10 +1771,17 @@ int main(int argc, char **argv) #elif defined(TARGET_ARM) { int i; + if (cpu_model == NULL) + cpu_model = "arm926"; + cpu_arm_set_model(env, cpu_model); + cpsr_write(env, regs->uregs[16], 0xffffffff); for(i = 0; i < 16; i++) { env->regs[i] = regs->uregs[i]; } - env->cpsr = regs->uregs[16]; + ts->stack_base = info->start_stack; + ts->heap_base = info->brk; + /* This will be filled in on the first SYS_HEAPINFO call. */ + ts->heap_limit = 0; } #elif defined(TARGET_SPARC) { @@ -1162,7 +1796,19 @@ int main(int argc, char **argv) } #elif defined(TARGET_PPC) { + ppc_def_t *def; int i; + + /* Choose and initialise CPU */ + if (cpu_model == NULL) + cpu_model = "750"; + ppc_find_by_name(cpu_model, &def); + if (def == NULL) { + cpu_abort(env, + "Unable to find PowerPC CPU definition\n"); + } + cpu_ppc_register(env, def); + for (i = 0; i < 32; i++) { if (i != 12 && i != 6 && i != 13) env->msr[i] = (regs->msr >> i) & 1; @@ -1172,10 +1818,73 @@ int main(int argc, char **argv) env->gpr[i] = regs->gpr[i]; } } +#elif defined(TARGET_M68K) + { + m68k_def_t *def; + def = m68k_find_by_name("cfv4e"); + if (def == NULL) { + cpu_abort(cpu_single_env, + "Unable to find m68k CPU definition\n"); + } + cpu_m68k_register(cpu_single_env, def); + env->pc = regs->pc; + env->dregs[0] = regs->d0; + env->dregs[1] = regs->d1; + env->dregs[2] = regs->d2; + env->dregs[3] = regs->d3; + env->dregs[4] = regs->d4; + env->dregs[5] = regs->d5; + env->dregs[6] = regs->d6; + env->dregs[7] = regs->d7; + env->aregs[0] = regs->a0; + env->aregs[1] = regs->a1; + env->aregs[2] = regs->a2; + env->aregs[3] = regs->a3; + env->aregs[4] = regs->a4; + env->aregs[5] = regs->a5; + env->aregs[6] = regs->a6; + env->aregs[7] = regs->usp; + env->sr = regs->sr; + ts->sim_syscalls = 1; + } +#elif defined(TARGET_MIPS) + { + mips_def_t *def; + int i; + + /* Choose and initialise CPU */ + if (cpu_model == NULL) + cpu_model = "24Kf"; + mips_find_by_name(cpu_model, &def); + if (def == NULL) + cpu_abort(env, "Unable to find MIPS CPU definition\n"); + cpu_mips_register(env, def); + + for(i = 0; i < 32; i++) { + env->gpr[i] = regs->regs[i]; + } + env->PC = regs->cp0_epc; + if (env->CP0_Config1 & (1 << CP0C1_FP)) { + env->CP0_Status |= (1 << CP0St_CU1); + } + } +#elif defined(TARGET_SH4) + { + int i; + + for(i = 0; i < 16; i++) { + env->gregs[i] = regs->regs[i]; + } + env->pc = regs->pc; + } #else #error unsupported target CPU #endif + if (gdbstub_port) { + gdbserver_start (gdbstub_port); + gdb_handlesig(env, 0); + } cpu_loop(env); /* never exits */ return 0;