Update ancient copyright string in -version output

[sdk/emulator/qemu.git] / linux-user / main.c

diff --git a/linux-user/main.c b/linux-user/main.c
index fd88e22..f2f4d2f 100644 (file)
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -24,6 +24,7 @@
 #include "qapi/error.h"
 #include "qemu.h"
 #include "qemu/path.h"
+#include "qemu/config-file.h"
 #include "qemu/cutils.h"
 #include "qemu/help_option.h"
 #include "cpu.h"
@@ -33,6 +34,8 @@
 #include "qemu/envlist.h"
 #include "elf.h"
 #include "exec/log.h"
+#include "trace/control.h"
+#include "glib-compat.h"
 
 char *exec_path;
 
@@ -157,7 +160,7 @@ static inline void exclusive_idle(void)
 }
 
 /* Start an exclusive operation.
-   Must only be called from outside cpu_arm_exec.   */
+   Must only be called from outside cpu_exec.   */
 static inline void start_exclusive(void)
 {
     CPUState *other_cpu;
@@ -291,7 +294,7 @@ void cpu_loop(CPUX86State *env)
 
     for(;;) {
         cpu_exec_start(cs);
-        trapnr = cpu_x86_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         switch(trapnr) {
         case 0x80:
@@ -732,7 +735,7 @@ void cpu_loop(CPUARMState *env)
 
     for(;;) {
         cpu_exec_start(cs);
-        trapnr = cpu_arm_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         switch(trapnr) {
         case EXCP_UDEF:
@@ -1068,7 +1071,7 @@ void cpu_loop(CPUARMState *env)
 
     for (;;) {
         cpu_exec_start(cs);
-        trapnr = cpu_arm_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
 
         switch (trapnr) {
@@ -1156,7 +1159,7 @@ void cpu_loop(CPUUniCore32State *env)
 
     for (;;) {
         cpu_exec_start(cs);
-        trapnr = uc32_cpu_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         switch (trapnr) {
         case UC32_EXCP_PRIV:
@@ -1361,7 +1364,7 @@ void cpu_loop (CPUSPARCState *env)
 
     while (1) {
         cpu_exec_start(cs);
-        trapnr = cpu_sparc_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
 
         /* Compute PSR before exposing state.  */
@@ -1633,7 +1636,7 @@ void cpu_loop(CPUPPCState *env)
 
     for(;;) {
         cpu_exec_start(cs);
-        trapnr = cpu_ppc_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         switch(trapnr) {
         case POWERPC_EXCP_NONE:
@@ -2490,7 +2493,7 @@ void cpu_loop(CPUMIPSState *env)
 
     for(;;) {
         cpu_exec_start(cs);
-        trapnr = cpu_mips_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         switch(trapnr) {
         case EXCP_SYSCALL:
@@ -2730,7 +2733,7 @@ void cpu_loop(CPUOpenRISCState *env)
 
     for (;;) {
         cpu_exec_start(cs);
-        trapnr = cpu_openrisc_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         gdbsig = 0;
 
@@ -2824,7 +2827,7 @@ void cpu_loop(CPUSH4State *env)
 
     while (1) {
         cpu_exec_start(cs);
-        trapnr = cpu_sh4_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
 
         switch (trapnr) {
@@ -2890,7 +2893,7 @@ void cpu_loop(CPUCRISState *env)
     
     while (1) {
         cpu_exec_start(cs);
-        trapnr = cpu_cris_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         switch (trapnr) {
         case 0xaa:
@@ -2955,7 +2958,7 @@ void cpu_loop(CPUMBState *env)
     
     while (1) {
         cpu_exec_start(cs);
-        trapnr = cpu_mb_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         switch (trapnr) {
         case 0xaa:
@@ -3072,7 +3075,7 @@ void cpu_loop(CPUM68KState *env)
 
     for(;;) {
         cpu_exec_start(cs);
-        trapnr = cpu_m68k_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         switch(trapnr) {
         case EXCP_ILLEGAL:
@@ -3215,7 +3218,7 @@ void cpu_loop(CPUAlphaState *env)
 
     while (1) {
         cpu_exec_start(cs);
-        trapnr = cpu_alpha_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
 
         /* All of the traps imply a transition through PALcode, which
@@ -3407,7 +3410,7 @@ void cpu_loop(CPUS390XState *env)
 
     while (1) {
         cpu_exec_start(cs);
-        trapnr = cpu_s390x_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         switch (trapnr) {
         case EXCP_INTERRUPT:
@@ -3716,7 +3719,7 @@ void cpu_loop(CPUTLGState *env)
 
     while (1) {
         cpu_exec_start(cs);
-        trapnr = cpu_tilegx_exec(cs);
+        trapnr = cpu_exec(cs);
         cpu_exec_end(cs);
         switch (trapnr) {
         case TILEGX_EXCP_SYSCALL:
@@ -3997,10 +4000,17 @@ static void handle_arg_strace(const char *arg)
 static void handle_arg_version(const char *arg)
 {
     printf("qemu-" TARGET_NAME " version " QEMU_VERSION QEMU_PKGVERSION
-           ", Copyright (c) 2003-2008 Fabrice Bellard\n");
+           ", " QEMU_COPYRIGHT "\n");
     exit(EXIT_SUCCESS);
 }
 
+static char *trace_file;
+static void handle_arg_trace(const char *arg)
+{
+    g_free(trace_file);
+    trace_file = trace_opt_parse(arg);
+}
+
 struct qemu_argument {
     const char *argv;
     const char *env;
@@ -4048,6 +4058,8 @@ static const struct qemu_argument arg_table[] = {
      "",           "log system calls"},
     {"seed",       "QEMU_RAND_SEED",   true,  handle_arg_randseed,
      "",           "Seed for pseudo-random number generator"},
+    {"trace",      "QEMU_TRACE",       true,  handle_arg_trace,
+     "",           "[[enable=]<pattern>][,events=<file>][,file=<file>]"},
     {"version",    "QEMU_VERSION",     false, handle_arg_version,
      "",           "display version information and exit"},
     {NULL, NULL, false, NULL, NULL, NULL}
@@ -4237,8 +4249,15 @@ int main(int argc, char **argv, char **envp)
 
     srand(time(NULL));
 
+    qemu_add_opts(&qemu_trace_opts);
+
     optind = parse_args(argc, argv);
 
+    if (!trace_init_backends()) {
+        exit(1);
+    }
+    trace_init_file(trace_file);
+
     /* Zero out regs */
     memset(regs, 0, sizeof(struct target_pt_regs));
 
@@ -4687,6 +4706,20 @@ int main(int argc, char **argv, char **envp)
         if (regs->cp0_epc & 1) {
             env->hflags |= MIPS_HFLAG_M16;
         }
+        if (((info->elf_flags & EF_MIPS_NAN2008) != 0) !=
+            ((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) != 0)) {
+            if ((env->active_fpu.fcr31_rw_bitmask &
+                  (1 << FCR31_NAN2008)) == 0) {
+                fprintf(stderr, "ELF binary's NaN mode not supported by CPU\n");
+                exit(1);
+            }
+            if ((info->elf_flags & EF_MIPS_NAN2008) != 0) {
+                env->active_fpu.fcr31 |= (1 << FCR31_NAN2008);
+            } else {
+                env->active_fpu.fcr31 &= ~(1 << FCR31_NAN2008);
+            }
+            restore_snan_bit_mode(env);
+        }
     }
 #elif defined(TARGET_OPENRISC)
     {
@@ -4777,6 +4810,7 @@ int main(int argc, char **argv, char **envp)
         }
         gdb_handlesig(cpu, 0);
     }
+    trace_init_vcpu_events();
     cpu_loop(env);
     /* never exits */
     return 0;