#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
/* 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;
/***********************************************************/
/* CPUX86 core interface */
+void cpu_smm_update(CPUState *env)
+{
+}
+
uint64_t cpu_get_tsc(CPUX86State *env)
{
return cpu_get_real_ticks();
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];
/* 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;
case EXCP_SWI:
case EXCP_BKPT:
{
+ env->eabi = 1;
/* system call */
if (trapnr == EXCP_BKPT) {
if (env->thumb) {
- insn = lduw((void *)(env->regs[15]));
+ insn = tget16(env->regs[15]);
n = insn & 0xff;
env->regs[15] += 2;
} else {
- insn = ldl((void *)(env->regs[15]));
+ insn = tget32(env->regs[15]);
n = (insn & 0xf) | ((insn >> 4) & 0xff0);
env->regs[15] += 4;
}
} else {
if (env->thumb) {
- insn = lduw((void *)(env->regs[15] - 2));
+ insn = tget16(env->regs[15] - 2);
n = insn & 0xff;
} else {
- insn = ldl((void *)(env->regs[15] - 4));
+ insn = tget32(env->regs[15] - 4);
n = insn & 0xffffff;
}
}
} else if (n == ARM_NR_semihosting
|| n == ARM_NR_thumb_semihosting) {
env->regs[0] = do_arm_semihosting (env);
- } else if (n >= ARM_SYSCALL_BASE
+ } else if (n == 0 || n >= ARM_SYSCALL_BASE
|| (env->thumb && n == ARM_THUMB_SYSCALL)) {
/* linux syscall */
- if (env->thumb) {
+ if (env->thumb || n == 0) {
n = env->regs[7];
} else {
n -= ARM_SYSCALL_BASE;
+ env->eabi = 0;
}
env->regs[0] = do_syscall(env,
n,
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)
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 */
}
break;
#else
+ case TT_SPILL: /* window overflow */
+ save_window(env);
+ break;
+ case TT_FILL: /* window underflow */
+ restore_window(env);
+ break;
// XXX
#endif
- case 0x100: // XXX, why do we get these?
- break;
+ case EXCP_INTERRUPT:
+ /* just indicate that signals should be handled asap */
+ break;
case EXCP_DEBUG:
{
int sig;
{
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;
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
case EXCP_SYSCALL:
{
syscall_num = env->gpr[2] - 4000;
+ env->PC += 4;
if (syscall_num >= sizeof(mips_syscall_args)) {
ret = -ENOSYS;
} else {
if (nb_args >= 5) {
sp_reg = env->gpr[29];
/* these arguments are taken from the stack */
- if (get_user(arg5, (target_ulong *)(sp_reg + 16))) {
- ret = -EFAULT;
- goto fail;
- }
+ arg5 = tgetl(sp_reg + 16);
if (nb_args >= 6) {
- if (get_user(arg6, (target_ulong *)(sp_reg + 20))) {
- ret = -EFAULT;
- goto fail;
- }
+ arg6 = tgetl(sp_reg + 20);
} else {
arg6 = 0;
}
arg5,
arg6);
}
- fail:
- env->PC += 4;
if ((unsigned int)ret >= (unsigned int)(-1133)) {
env->gpr[7] = 1; /* error flag */
ret = -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:
{
- uint32_t insn, op;
-
- if (get_user(insn, (uint32_t *)env->PC) < 0)
- goto sigill;
- op = insn >> 26;
- // printf("insn=%08x op=%02x\n", insn, op);
- /* XXX: totally dummy FP ops just to be able to launch
- a few executables */
- switch(op) {
- case 0x31: /* LWC1 */
- env->PC += 4;
- break;
- case 0x39: /* SWC1 */
- env->PC += 4;
- break;
- case 0x11:
- switch((insn >> 21) & 0x1f) {
- case 0x02: /* CFC1 */
- env->PC += 4;
- break;
- default:
- goto sigill;
- }
- break;
- default:
- sigill:
- info.si_signo = TARGET_SIGILL;
+ int sig;
+
+ sig = gdb_handlesig (env, TARGET_SIGTRAP);
+ if (sig)
+ {
+ info.si_signo = sig;
info.si_errno = 0;
- info.si_code = 0;
+ info.si_code = TARGET_TRAP_BRKPT;
queue_signal(info.si_signo, &info);
- break;
- }
+ }
}
break;
default:
}
#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) 2003-2005 Fabrice Bellard\n"
- "usage: qemu-" TARGET_ARCH " [-h] [-g] [-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
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;
/* init debug */
cpu_set_log_filename(DEBUG_LOGFILE);
+ cpu_model = NULL;
optind = 1;
for(;;) {
if (optind >= argc)
}
} 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")) {
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);
}
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();
memset(ts, 0, sizeof(TaskState));
env->opaque = ts;
ts->used = 1;
+ ts->info = info;
env->user_mode_only = 1;
#if defined(TARGET_I386)
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);
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 |
#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];
int i;
/* Choose and initialise CPU */
- /* XXX: CPU model (or PVR) should be provided on command line */
- // ppc_find_by_name("750gx", &def);
- // ppc_find_by_name("750fx", &def);
- // ppc_find_by_name("750p", &def);
- ppc_find_by_name("750", &def);
- // ppc_find_by_name("G3", &def);
- // ppc_find_by_name("604r", &def);
- // ppc_find_by_name("604e", &def);
- // ppc_find_by_name("604", &def);
+ 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");
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
projects / qemu / blobdiff