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/>.
26 #include <sys/syscall.h>
27 #include <sys/resource.h>
30 #include "qemu-common.h"
31 #include "cache-utils.h"
35 #include "qemu-timer.h"
38 #define DEBUG_LOGFILE "/tmp/qemu.log"
43 unsigned long mmap_min_addr;
44 #if defined(CONFIG_USE_GUEST_BASE)
45 unsigned long guest_base;
47 unsigned long reserved_va;
50 static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX;
51 const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
53 /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
54 we allocate a bigger stack. Need a better solution, for example
55 by remapping the process stack directly at the right place */
56 unsigned long guest_stack_size = 8 * 1024 * 1024UL;
58 void gemu_log(const char *fmt, ...)
63 vfprintf(stderr, fmt, ap);
67 #if defined(TARGET_I386)
68 int cpu_get_pic_interrupt(CPUState *env)
74 /* timers for rdtsc */
78 static uint64_t emu_time;
80 int64_t cpu_get_real_ticks(void)
87 #if defined(CONFIG_USE_NPTL)
88 /***********************************************************/
89 /* Helper routines for implementing atomic operations. */
91 /* To implement exclusive operations we force all cpus to syncronise.
92 We don't require a full sync, only that no cpus are executing guest code.
93 The alternative is to map target atomic ops onto host equivalents,
94 which requires quite a lot of per host/target work. */
95 static pthread_mutex_t cpu_list_mutex = PTHREAD_MUTEX_INITIALIZER;
96 static pthread_mutex_t exclusive_lock = PTHREAD_MUTEX_INITIALIZER;
97 static pthread_cond_t exclusive_cond = PTHREAD_COND_INITIALIZER;
98 static pthread_cond_t exclusive_resume = PTHREAD_COND_INITIALIZER;
99 static int pending_cpus;
101 /* Make sure everything is in a consistent state for calling fork(). */
102 void fork_start(void)
104 pthread_mutex_lock(&tb_lock);
105 pthread_mutex_lock(&exclusive_lock);
109 void fork_end(int child)
111 mmap_fork_end(child);
113 /* Child processes created by fork() only have a single thread.
114 Discard information about the parent threads. */
115 first_cpu = thread_env;
116 thread_env->next_cpu = NULL;
118 pthread_mutex_init(&exclusive_lock, NULL);
119 pthread_mutex_init(&cpu_list_mutex, NULL);
120 pthread_cond_init(&exclusive_cond, NULL);
121 pthread_cond_init(&exclusive_resume, NULL);
122 pthread_mutex_init(&tb_lock, NULL);
123 gdbserver_fork(thread_env);
125 pthread_mutex_unlock(&exclusive_lock);
126 pthread_mutex_unlock(&tb_lock);
130 /* Wait for pending exclusive operations to complete. The exclusive lock
132 static inline void exclusive_idle(void)
134 while (pending_cpus) {
135 pthread_cond_wait(&exclusive_resume, &exclusive_lock);
139 /* Start an exclusive operation.
140 Must only be called from outside cpu_arm_exec. */
141 static inline void start_exclusive(void)
144 pthread_mutex_lock(&exclusive_lock);
148 /* Make all other cpus stop executing. */
149 for (other = first_cpu; other; other = other->next_cpu) {
150 if (other->running) {
155 if (pending_cpus > 1) {
156 pthread_cond_wait(&exclusive_cond, &exclusive_lock);
160 /* Finish an exclusive operation. */
161 static inline void end_exclusive(void)
164 pthread_cond_broadcast(&exclusive_resume);
165 pthread_mutex_unlock(&exclusive_lock);
168 /* Wait for exclusive ops to finish, and begin cpu execution. */
169 static inline void cpu_exec_start(CPUState *env)
171 pthread_mutex_lock(&exclusive_lock);
174 pthread_mutex_unlock(&exclusive_lock);
177 /* Mark cpu as not executing, and release pending exclusive ops. */
178 static inline void cpu_exec_end(CPUState *env)
180 pthread_mutex_lock(&exclusive_lock);
182 if (pending_cpus > 1) {
184 if (pending_cpus == 1) {
185 pthread_cond_signal(&exclusive_cond);
189 pthread_mutex_unlock(&exclusive_lock);
192 void cpu_list_lock(void)
194 pthread_mutex_lock(&cpu_list_mutex);
197 void cpu_list_unlock(void)
199 pthread_mutex_unlock(&cpu_list_mutex);
201 #else /* if !CONFIG_USE_NPTL */
202 /* These are no-ops because we are not threadsafe. */
203 static inline void cpu_exec_start(CPUState *env)
207 static inline void cpu_exec_end(CPUState *env)
211 static inline void start_exclusive(void)
215 static inline void end_exclusive(void)
219 void fork_start(void)
223 void fork_end(int child)
226 gdbserver_fork(thread_env);
230 void cpu_list_lock(void)
234 void cpu_list_unlock(void)
241 /***********************************************************/
242 /* CPUX86 core interface */
244 void cpu_smm_update(CPUState *env)
248 uint64_t cpu_get_tsc(CPUX86State *env)
250 return cpu_get_real_ticks();
253 static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
258 e1 = (addr << 16) | (limit & 0xffff);
259 e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
266 static uint64_t *idt_table;
268 static void set_gate64(void *ptr, unsigned int type, unsigned int dpl,
269 uint64_t addr, unsigned int sel)
272 e1 = (addr & 0xffff) | (sel << 16);
273 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
277 p[2] = tswap32(addr >> 32);
280 /* only dpl matters as we do only user space emulation */
281 static void set_idt(int n, unsigned int dpl)
283 set_gate64(idt_table + n * 2, 0, dpl, 0, 0);
286 static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
287 uint32_t addr, unsigned int sel)
290 e1 = (addr & 0xffff) | (sel << 16);
291 e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
297 /* only dpl matters as we do only user space emulation */
298 static void set_idt(int n, unsigned int dpl)
300 set_gate(idt_table + n, 0, dpl, 0, 0);
304 void cpu_loop(CPUX86State *env)
308 target_siginfo_t info;
311 trapnr = cpu_x86_exec(env);
314 /* linux syscall from int $0x80 */
315 env->regs[R_EAX] = do_syscall(env,
326 /* linux syscall from syscall intruction */
327 env->regs[R_EAX] = do_syscall(env,
335 env->eip = env->exception_next_eip;
340 info.si_signo = SIGBUS;
342 info.si_code = TARGET_SI_KERNEL;
343 info._sifields._sigfault._addr = 0;
344 queue_signal(env, info.si_signo, &info);
347 /* XXX: potential problem if ABI32 */
348 #ifndef TARGET_X86_64
349 if (env->eflags & VM_MASK) {
350 handle_vm86_fault(env);
354 info.si_signo = SIGSEGV;
356 info.si_code = TARGET_SI_KERNEL;
357 info._sifields._sigfault._addr = 0;
358 queue_signal(env, info.si_signo, &info);
362 info.si_signo = SIGSEGV;
364 if (!(env->error_code & 1))
365 info.si_code = TARGET_SEGV_MAPERR;
367 info.si_code = TARGET_SEGV_ACCERR;
368 info._sifields._sigfault._addr = env->cr[2];
369 queue_signal(env, info.si_signo, &info);
372 #ifndef TARGET_X86_64
373 if (env->eflags & VM_MASK) {
374 handle_vm86_trap(env, trapnr);
378 /* division by zero */
379 info.si_signo = SIGFPE;
381 info.si_code = TARGET_FPE_INTDIV;
382 info._sifields._sigfault._addr = env->eip;
383 queue_signal(env, info.si_signo, &info);
388 #ifndef TARGET_X86_64
389 if (env->eflags & VM_MASK) {
390 handle_vm86_trap(env, trapnr);
394 info.si_signo = SIGTRAP;
396 if (trapnr == EXCP01_DB) {
397 info.si_code = TARGET_TRAP_BRKPT;
398 info._sifields._sigfault._addr = env->eip;
400 info.si_code = TARGET_SI_KERNEL;
401 info._sifields._sigfault._addr = 0;
403 queue_signal(env, info.si_signo, &info);
408 #ifndef TARGET_X86_64
409 if (env->eflags & VM_MASK) {
410 handle_vm86_trap(env, trapnr);
414 info.si_signo = SIGSEGV;
416 info.si_code = TARGET_SI_KERNEL;
417 info._sifields._sigfault._addr = 0;
418 queue_signal(env, info.si_signo, &info);
422 info.si_signo = SIGILL;
424 info.si_code = TARGET_ILL_ILLOPN;
425 info._sifields._sigfault._addr = env->eip;
426 queue_signal(env, info.si_signo, &info);
429 /* just indicate that signals should be handled asap */
435 sig = gdb_handlesig (env, TARGET_SIGTRAP);
440 info.si_code = TARGET_TRAP_BRKPT;
441 queue_signal(env, info.si_signo, &info);
446 pc = env->segs[R_CS].base + env->eip;
447 fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
451 process_pending_signals(env);
458 static void arm_cache_flush(abi_ulong start, abi_ulong last)
460 abi_ulong addr, last1;
466 last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
469 tb_invalidate_page_range(addr, last1 + 1);
476 /* Handle a jump to the kernel code page. */
478 do_kernel_trap(CPUARMState *env)
484 switch (env->regs[15]) {
485 case 0xffff0fa0: /* __kernel_memory_barrier */
486 /* ??? No-op. Will need to do better for SMP. */
488 case 0xffff0fc0: /* __kernel_cmpxchg */
489 /* XXX: This only works between threads, not between processes.
490 It's probably possible to implement this with native host
491 operations. However things like ldrex/strex are much harder so
492 there's not much point trying. */
494 cpsr = cpsr_read(env);
496 /* FIXME: This should SEGV if the access fails. */
497 if (get_user_u32(val, addr))
499 if (val == env->regs[0]) {
501 /* FIXME: Check for segfaults. */
502 put_user_u32(val, addr);
509 cpsr_write(env, cpsr, CPSR_C);
512 case 0xffff0fe0: /* __kernel_get_tls */
513 env->regs[0] = env->cp15.c13_tls2;
518 /* Jump back to the caller. */
519 addr = env->regs[14];
524 env->regs[15] = addr;
529 static int do_strex(CPUARMState *env)
537 addr = env->exclusive_addr;
538 if (addr != env->exclusive_test) {
541 size = env->exclusive_info & 0xf;
544 segv = get_user_u8(val, addr);
547 segv = get_user_u16(val, addr);
551 segv = get_user_u32(val, addr);
557 env->cp15.c6_data = addr;
560 if (val != env->exclusive_val) {
564 segv = get_user_u32(val, addr + 4);
566 env->cp15.c6_data = addr + 4;
569 if (val != env->exclusive_high) {
573 val = env->regs[(env->exclusive_info >> 8) & 0xf];
576 segv = put_user_u8(val, addr);
579 segv = put_user_u16(val, addr);
583 segv = put_user_u32(val, addr);
587 env->cp15.c6_data = addr;
591 val = env->regs[(env->exclusive_info >> 12) & 0xf];
592 segv = put_user_u32(val, addr);
594 env->cp15.c6_data = addr + 4;
601 env->regs[(env->exclusive_info >> 4) & 0xf] = rc;
607 void cpu_loop(CPUARMState *env)
610 unsigned int n, insn;
611 target_siginfo_t info;
616 trapnr = cpu_arm_exec(env);
621 TaskState *ts = env->opaque;
625 /* we handle the FPU emulation here, as Linux */
626 /* we get the opcode */
627 /* FIXME - what to do if get_user() fails? */
628 get_user_u32(opcode, env->regs[15]);
630 rc = EmulateAll(opcode, &ts->fpa, env);
631 if (rc == 0) { /* illegal instruction */
632 info.si_signo = SIGILL;
634 info.si_code = TARGET_ILL_ILLOPN;
635 info._sifields._sigfault._addr = env->regs[15];
636 queue_signal(env, info.si_signo, &info);
637 } else if (rc < 0) { /* FP exception */
640 /* translate softfloat flags to FPSR flags */
641 if (-rc & float_flag_invalid)
643 if (-rc & float_flag_divbyzero)
645 if (-rc & float_flag_overflow)
647 if (-rc & float_flag_underflow)
649 if (-rc & float_flag_inexact)
652 FPSR fpsr = ts->fpa.fpsr;
653 //printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe);
655 if (fpsr & (arm_fpe << 16)) { /* exception enabled? */
656 info.si_signo = SIGFPE;
659 /* ordered by priority, least first */
660 if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES;
661 if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND;
662 if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF;
663 if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV;
664 if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV;
666 info._sifields._sigfault._addr = env->regs[15];
667 queue_signal(env, info.si_signo, &info);
672 /* accumulate unenabled exceptions */
673 if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC))
675 if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC))
677 if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC))
679 if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC))
681 if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC))
684 } else { /* everything OK */
695 if (trapnr == EXCP_BKPT) {
697 /* FIXME - what to do if get_user() fails? */
698 get_user_u16(insn, env->regs[15]);
702 /* FIXME - what to do if get_user() fails? */
703 get_user_u32(insn, env->regs[15]);
704 n = (insn & 0xf) | ((insn >> 4) & 0xff0);
709 /* FIXME - what to do if get_user() fails? */
710 get_user_u16(insn, env->regs[15] - 2);
713 /* FIXME - what to do if get_user() fails? */
714 get_user_u32(insn, env->regs[15] - 4);
719 if (n == ARM_NR_cacheflush) {
720 arm_cache_flush(env->regs[0], env->regs[1]);
721 } else if (n == ARM_NR_semihosting
722 || n == ARM_NR_thumb_semihosting) {
723 env->regs[0] = do_arm_semihosting (env);
724 } else if (n == 0 || n >= ARM_SYSCALL_BASE
725 || (env->thumb && n == ARM_THUMB_SYSCALL)) {
727 if (env->thumb || n == 0) {
730 n -= ARM_SYSCALL_BASE;
733 if ( n > ARM_NR_BASE) {
735 case ARM_NR_cacheflush:
736 arm_cache_flush(env->regs[0], env->regs[1]);
739 cpu_set_tls(env, env->regs[0]);
743 gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
745 env->regs[0] = -TARGET_ENOSYS;
749 env->regs[0] = do_syscall(env,
764 /* just indicate that signals should be handled asap */
766 case EXCP_PREFETCH_ABORT:
767 addr = env->cp15.c6_insn;
769 case EXCP_DATA_ABORT:
770 addr = env->cp15.c6_data;
774 info.si_signo = SIGSEGV;
776 /* XXX: check env->error_code */
777 info.si_code = TARGET_SEGV_MAPERR;
778 info._sifields._sigfault._addr = addr;
779 queue_signal(env, info.si_signo, &info);
786 sig = gdb_handlesig (env, TARGET_SIGTRAP);
791 info.si_code = TARGET_TRAP_BRKPT;
792 queue_signal(env, info.si_signo, &info);
796 case EXCP_KERNEL_TRAP:
797 if (do_kernel_trap(env))
802 addr = env->cp15.c6_data;
808 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
810 cpu_dump_state(env, stderr, fprintf, 0);
813 process_pending_signals(env);
820 #define SPARC64_STACK_BIAS 2047
824 /* WARNING: dealing with register windows _is_ complicated. More info
825 can be found at http://www.sics.se/~psm/sparcstack.html */
826 static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
828 index = (index + cwp * 16) % (16 * env->nwindows);
829 /* wrap handling : if cwp is on the last window, then we use the
830 registers 'after' the end */
831 if (index < 8 && env->cwp == env->nwindows - 1)
832 index += 16 * env->nwindows;
836 /* save the register window 'cwp1' */
837 static inline void save_window_offset(CPUSPARCState *env, int cwp1)
842 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
843 #ifdef TARGET_SPARC64
845 sp_ptr += SPARC64_STACK_BIAS;
847 #if defined(DEBUG_WIN)
848 printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n",
851 for(i = 0; i < 16; i++) {
852 /* FIXME - what to do if put_user() fails? */
853 put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
854 sp_ptr += sizeof(abi_ulong);
858 static void save_window(CPUSPARCState *env)
860 #ifndef TARGET_SPARC64
861 unsigned int new_wim;
862 new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) &
863 ((1LL << env->nwindows) - 1);
864 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
867 save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
873 static void restore_window(CPUSPARCState *env)
875 #ifndef TARGET_SPARC64
876 unsigned int new_wim;
878 unsigned int i, cwp1;
881 #ifndef TARGET_SPARC64
882 new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) &
883 ((1LL << env->nwindows) - 1);
886 /* restore the invalid window */
887 cwp1 = cpu_cwp_inc(env, env->cwp + 1);
888 sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
889 #ifdef TARGET_SPARC64
891 sp_ptr += SPARC64_STACK_BIAS;
893 #if defined(DEBUG_WIN)
894 printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n",
897 for(i = 0; i < 16; i++) {
898 /* FIXME - what to do if get_user() fails? */
899 get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
900 sp_ptr += sizeof(abi_ulong);
902 #ifdef TARGET_SPARC64
904 if (env->cleanwin < env->nwindows - 1)
912 static void flush_windows(CPUSPARCState *env)
918 /* if restore would invoke restore_window(), then we can stop */
919 cwp1 = cpu_cwp_inc(env, env->cwp + offset);
920 #ifndef TARGET_SPARC64
921 if (env->wim & (1 << cwp1))
924 if (env->canrestore == 0)
929 save_window_offset(env, cwp1);
932 cwp1 = cpu_cwp_inc(env, env->cwp + 1);
933 #ifndef TARGET_SPARC64
934 /* set wim so that restore will reload the registers */
935 env->wim = 1 << cwp1;
937 #if defined(DEBUG_WIN)
938 printf("flush_windows: nb=%d\n", offset - 1);
942 void cpu_loop (CPUSPARCState *env)
946 target_siginfo_t info;
949 trapnr = cpu_sparc_exec (env);
952 #ifndef TARGET_SPARC64
959 ret = do_syscall (env, env->gregs[1],
960 env->regwptr[0], env->regwptr[1],
961 env->regwptr[2], env->regwptr[3],
962 env->regwptr[4], env->regwptr[5]);
963 if ((abi_ulong)ret >= (abi_ulong)(-515)) {
964 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
965 env->xcc |= PSR_CARRY;
967 env->psr |= PSR_CARRY;
971 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
972 env->xcc &= ~PSR_CARRY;
974 env->psr &= ~PSR_CARRY;
977 env->regwptr[0] = ret;
978 /* next instruction */
980 env->npc = env->npc + 4;
982 case 0x83: /* flush windows */
987 /* next instruction */
989 env->npc = env->npc + 4;
991 #ifndef TARGET_SPARC64
992 case TT_WIN_OVF: /* window overflow */
995 case TT_WIN_UNF: /* window underflow */
1001 info.si_signo = SIGSEGV;
1003 /* XXX: check env->error_code */
1004 info.si_code = TARGET_SEGV_MAPERR;
1005 info._sifields._sigfault._addr = env->mmuregs[4];
1006 queue_signal(env, info.si_signo, &info);
1010 case TT_SPILL: /* window overflow */
1013 case TT_FILL: /* window underflow */
1014 restore_window(env);
1019 info.si_signo = SIGSEGV;
1021 /* XXX: check env->error_code */
1022 info.si_code = TARGET_SEGV_MAPERR;
1023 if (trapnr == TT_DFAULT)
1024 info._sifields._sigfault._addr = env->dmmuregs[4];
1026 info._sifields._sigfault._addr = cpu_tsptr(env)->tpc;
1027 queue_signal(env, info.si_signo, &info);
1030 #ifndef TARGET_ABI32
1033 sparc64_get_context(env);
1037 sparc64_set_context(env);
1041 case EXCP_INTERRUPT:
1042 /* just indicate that signals should be handled asap */
1048 sig = gdb_handlesig (env, TARGET_SIGTRAP);
1051 info.si_signo = sig;
1053 info.si_code = TARGET_TRAP_BRKPT;
1054 queue_signal(env, info.si_signo, &info);
1059 printf ("Unhandled trap: 0x%x\n", trapnr);
1060 cpu_dump_state(env, stderr, fprintf, 0);
1063 process_pending_signals (env);
1070 static inline uint64_t cpu_ppc_get_tb (CPUState *env)
1076 uint64_t cpu_ppc_load_tbl (CPUState *env)
1078 return cpu_ppc_get_tb(env);
1081 uint32_t cpu_ppc_load_tbu (CPUState *env)
1083 return cpu_ppc_get_tb(env) >> 32;
1086 uint64_t cpu_ppc_load_atbl (CPUState *env)
1088 return cpu_ppc_get_tb(env);
1091 uint32_t cpu_ppc_load_atbu (CPUState *env)
1093 return cpu_ppc_get_tb(env) >> 32;
1096 uint32_t cpu_ppc601_load_rtcu (CPUState *env)
1097 __attribute__ (( alias ("cpu_ppc_load_tbu") ));
1099 uint32_t cpu_ppc601_load_rtcl (CPUState *env)
1101 return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
1104 /* XXX: to be fixed */
1105 int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp)
1110 int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val)
1115 #define EXCP_DUMP(env, fmt, ...) \
1117 fprintf(stderr, fmt , ## __VA_ARGS__); \
1118 cpu_dump_state(env, stderr, fprintf, 0); \
1119 qemu_log(fmt, ## __VA_ARGS__); \
1121 log_cpu_state(env, 0); \
1124 static int do_store_exclusive(CPUPPCState *env)
1127 target_ulong page_addr;
1132 addr = env->reserve_ea;
1133 page_addr = addr & TARGET_PAGE_MASK;
1136 flags = page_get_flags(page_addr);
1137 if ((flags & PAGE_READ) == 0) {
1140 int reg = env->reserve_info & 0x1f;
1141 int size = (env->reserve_info >> 5) & 0xf;
1144 if (addr == env->reserve_addr) {
1146 case 1: segv = get_user_u8(val, addr); break;
1147 case 2: segv = get_user_u16(val, addr); break;
1148 case 4: segv = get_user_u32(val, addr); break;
1149 #if defined(TARGET_PPC64)
1150 case 8: segv = get_user_u64(val, addr); break;
1154 if (!segv && val == env->reserve_val) {
1155 val = env->gpr[reg];
1157 case 1: segv = put_user_u8(val, addr); break;
1158 case 2: segv = put_user_u16(val, addr); break;
1159 case 4: segv = put_user_u32(val, addr); break;
1160 #if defined(TARGET_PPC64)
1161 case 8: segv = put_user_u64(val, addr); break;
1170 env->crf[0] = (stored << 1) | xer_so;
1171 env->reserve_addr = (target_ulong)-1;
1181 void cpu_loop(CPUPPCState *env)
1183 target_siginfo_t info;
1188 cpu_exec_start(env);
1189 trapnr = cpu_ppc_exec(env);
1192 case POWERPC_EXCP_NONE:
1195 case POWERPC_EXCP_CRITICAL: /* Critical input */
1196 cpu_abort(env, "Critical interrupt while in user mode. "
1199 case POWERPC_EXCP_MCHECK: /* Machine check exception */
1200 cpu_abort(env, "Machine check exception while in user mode. "
1203 case POWERPC_EXCP_DSI: /* Data storage exception */
1204 EXCP_DUMP(env, "Invalid data memory access: 0x" TARGET_FMT_lx "\n",
1206 /* XXX: check this. Seems bugged */
1207 switch (env->error_code & 0xFF000000) {
1209 info.si_signo = TARGET_SIGSEGV;
1211 info.si_code = TARGET_SEGV_MAPERR;
1214 info.si_signo = TARGET_SIGILL;
1216 info.si_code = TARGET_ILL_ILLADR;
1219 info.si_signo = TARGET_SIGSEGV;
1221 info.si_code = TARGET_SEGV_ACCERR;
1224 /* Let's send a regular segfault... */
1225 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1227 info.si_signo = TARGET_SIGSEGV;
1229 info.si_code = TARGET_SEGV_MAPERR;
1232 info._sifields._sigfault._addr = env->nip;
1233 queue_signal(env, info.si_signo, &info);
1235 case POWERPC_EXCP_ISI: /* Instruction storage exception */
1236 EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" TARGET_FMT_lx
1237 "\n", env->spr[SPR_SRR0]);
1238 /* XXX: check this */
1239 switch (env->error_code & 0xFF000000) {
1241 info.si_signo = TARGET_SIGSEGV;
1243 info.si_code = TARGET_SEGV_MAPERR;
1247 info.si_signo = TARGET_SIGSEGV;
1249 info.si_code = TARGET_SEGV_ACCERR;
1252 /* Let's send a regular segfault... */
1253 EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
1255 info.si_signo = TARGET_SIGSEGV;
1257 info.si_code = TARGET_SEGV_MAPERR;
1260 info._sifields._sigfault._addr = env->nip - 4;
1261 queue_signal(env, info.si_signo, &info);
1263 case POWERPC_EXCP_EXTERNAL: /* External input */
1264 cpu_abort(env, "External interrupt while in user mode. "
1267 case POWERPC_EXCP_ALIGN: /* Alignment exception */
1268 EXCP_DUMP(env, "Unaligned memory access\n");
1269 /* XXX: check this */
1270 info.si_signo = TARGET_SIGBUS;
1272 info.si_code = TARGET_BUS_ADRALN;
1273 info._sifields._sigfault._addr = env->nip - 4;
1274 queue_signal(env, info.si_signo, &info);
1276 case POWERPC_EXCP_PROGRAM: /* Program exception */
1277 /* XXX: check this */
1278 switch (env->error_code & ~0xF) {
1279 case POWERPC_EXCP_FP:
1280 EXCP_DUMP(env, "Floating point program exception\n");
1281 info.si_signo = TARGET_SIGFPE;
1283 switch (env->error_code & 0xF) {
1284 case POWERPC_EXCP_FP_OX:
1285 info.si_code = TARGET_FPE_FLTOVF;
1287 case POWERPC_EXCP_FP_UX:
1288 info.si_code = TARGET_FPE_FLTUND;
1290 case POWERPC_EXCP_FP_ZX:
1291 case POWERPC_EXCP_FP_VXZDZ:
1292 info.si_code = TARGET_FPE_FLTDIV;
1294 case POWERPC_EXCP_FP_XX:
1295 info.si_code = TARGET_FPE_FLTRES;
1297 case POWERPC_EXCP_FP_VXSOFT:
1298 info.si_code = TARGET_FPE_FLTINV;
1300 case POWERPC_EXCP_FP_VXSNAN:
1301 case POWERPC_EXCP_FP_VXISI:
1302 case POWERPC_EXCP_FP_VXIDI:
1303 case POWERPC_EXCP_FP_VXIMZ:
1304 case POWERPC_EXCP_FP_VXVC:
1305 case POWERPC_EXCP_FP_VXSQRT:
1306 case POWERPC_EXCP_FP_VXCVI:
1307 info.si_code = TARGET_FPE_FLTSUB;
1310 EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
1315 case POWERPC_EXCP_INVAL:
1316 EXCP_DUMP(env, "Invalid instruction\n");
1317 info.si_signo = TARGET_SIGILL;
1319 switch (env->error_code & 0xF) {
1320 case POWERPC_EXCP_INVAL_INVAL:
1321 info.si_code = TARGET_ILL_ILLOPC;
1323 case POWERPC_EXCP_INVAL_LSWX:
1324 info.si_code = TARGET_ILL_ILLOPN;
1326 case POWERPC_EXCP_INVAL_SPR:
1327 info.si_code = TARGET_ILL_PRVREG;
1329 case POWERPC_EXCP_INVAL_FP:
1330 info.si_code = TARGET_ILL_COPROC;
1333 EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
1334 env->error_code & 0xF);
1335 info.si_code = TARGET_ILL_ILLADR;
1339 case POWERPC_EXCP_PRIV:
1340 EXCP_DUMP(env, "Privilege violation\n");
1341 info.si_signo = TARGET_SIGILL;
1343 switch (env->error_code & 0xF) {
1344 case POWERPC_EXCP_PRIV_OPC:
1345 info.si_code = TARGET_ILL_PRVOPC;
1347 case POWERPC_EXCP_PRIV_REG:
1348 info.si_code = TARGET_ILL_PRVREG;
1351 EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
1352 env->error_code & 0xF);
1353 info.si_code = TARGET_ILL_PRVOPC;
1357 case POWERPC_EXCP_TRAP:
1358 cpu_abort(env, "Tried to call a TRAP\n");
1361 /* Should not happen ! */
1362 cpu_abort(env, "Unknown program exception (%02x)\n",
1366 info._sifields._sigfault._addr = env->nip - 4;
1367 queue_signal(env, info.si_signo, &info);
1369 case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
1370 EXCP_DUMP(env, "No floating point allowed\n");
1371 info.si_signo = TARGET_SIGILL;
1373 info.si_code = TARGET_ILL_COPROC;
1374 info._sifields._sigfault._addr = env->nip - 4;
1375 queue_signal(env, info.si_signo, &info);
1377 case POWERPC_EXCP_SYSCALL: /* System call exception */
1378 cpu_abort(env, "Syscall exception while in user mode. "
1381 case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
1382 EXCP_DUMP(env, "No APU instruction allowed\n");
1383 info.si_signo = TARGET_SIGILL;
1385 info.si_code = TARGET_ILL_COPROC;
1386 info._sifields._sigfault._addr = env->nip - 4;
1387 queue_signal(env, info.si_signo, &info);
1389 case POWERPC_EXCP_DECR: /* Decrementer exception */
1390 cpu_abort(env, "Decrementer interrupt while in user mode. "
1393 case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
1394 cpu_abort(env, "Fix interval timer interrupt while in user mode. "
1397 case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
1398 cpu_abort(env, "Watchdog timer interrupt while in user mode. "
1401 case POWERPC_EXCP_DTLB: /* Data TLB error */
1402 cpu_abort(env, "Data TLB exception while in user mode. "
1405 case POWERPC_EXCP_ITLB: /* Instruction TLB error */
1406 cpu_abort(env, "Instruction TLB exception while in user mode. "
1409 case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
1410 EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
1411 info.si_signo = TARGET_SIGILL;
1413 info.si_code = TARGET_ILL_COPROC;
1414 info._sifields._sigfault._addr = env->nip - 4;
1415 queue_signal(env, info.si_signo, &info);
1417 case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
1418 cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
1420 case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
1421 cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
1423 case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
1424 cpu_abort(env, "Performance monitor exception not handled\n");
1426 case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
1427 cpu_abort(env, "Doorbell interrupt while in user mode. "
1430 case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
1431 cpu_abort(env, "Doorbell critical interrupt while in user mode. "
1434 case POWERPC_EXCP_RESET: /* System reset exception */
1435 cpu_abort(env, "Reset interrupt while in user mode. "
1438 case POWERPC_EXCP_DSEG: /* Data segment exception */
1439 cpu_abort(env, "Data segment exception while in user mode. "
1442 case POWERPC_EXCP_ISEG: /* Instruction segment exception */
1443 cpu_abort(env, "Instruction segment exception "
1444 "while in user mode. Aborting\n");
1446 /* PowerPC 64 with hypervisor mode support */
1447 case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1448 cpu_abort(env, "Hypervisor decrementer interrupt "
1449 "while in user mode. Aborting\n");
1451 case POWERPC_EXCP_TRACE: /* Trace exception */
1453 * we use this exception to emulate step-by-step execution mode.
1456 /* PowerPC 64 with hypervisor mode support */
1457 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1458 cpu_abort(env, "Hypervisor data storage exception "
1459 "while in user mode. Aborting\n");
1461 case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
1462 cpu_abort(env, "Hypervisor instruction storage exception "
1463 "while in user mode. Aborting\n");
1465 case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
1466 cpu_abort(env, "Hypervisor data segment exception "
1467 "while in user mode. Aborting\n");
1469 case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
1470 cpu_abort(env, "Hypervisor instruction segment exception "
1471 "while in user mode. Aborting\n");
1473 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1474 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1475 info.si_signo = TARGET_SIGILL;
1477 info.si_code = TARGET_ILL_COPROC;
1478 info._sifields._sigfault._addr = env->nip - 4;
1479 queue_signal(env, info.si_signo, &info);
1481 case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
1482 cpu_abort(env, "Programable interval timer interrupt "
1483 "while in user mode. Aborting\n");
1485 case POWERPC_EXCP_IO: /* IO error exception */
1486 cpu_abort(env, "IO error exception while in user mode. "
1489 case POWERPC_EXCP_RUNM: /* Run mode exception */
1490 cpu_abort(env, "Run mode exception while in user mode. "
1493 case POWERPC_EXCP_EMUL: /* Emulation trap exception */
1494 cpu_abort(env, "Emulation trap exception not handled\n");
1496 case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
1497 cpu_abort(env, "Instruction fetch TLB exception "
1498 "while in user-mode. Aborting");
1500 case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
1501 cpu_abort(env, "Data load TLB exception while in user-mode. "
1504 case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
1505 cpu_abort(env, "Data store TLB exception while in user-mode. "
1508 case POWERPC_EXCP_FPA: /* Floating-point assist exception */
1509 cpu_abort(env, "Floating-point assist exception not handled\n");
1511 case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
1512 cpu_abort(env, "Instruction address breakpoint exception "
1515 case POWERPC_EXCP_SMI: /* System management interrupt */
1516 cpu_abort(env, "System management interrupt while in user mode. "
1519 case POWERPC_EXCP_THERM: /* Thermal interrupt */
1520 cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
1523 case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
1524 cpu_abort(env, "Performance monitor exception not handled\n");
1526 case POWERPC_EXCP_VPUA: /* Vector assist exception */
1527 cpu_abort(env, "Vector assist exception not handled\n");
1529 case POWERPC_EXCP_SOFTP: /* Soft patch exception */
1530 cpu_abort(env, "Soft patch exception not handled\n");
1532 case POWERPC_EXCP_MAINT: /* Maintenance exception */
1533 cpu_abort(env, "Maintenance exception while in user mode. "
1536 case POWERPC_EXCP_STOP: /* stop translation */
1537 /* We did invalidate the instruction cache. Go on */
1539 case POWERPC_EXCP_BRANCH: /* branch instruction: */
1540 /* We just stopped because of a branch. Go on */
1542 case POWERPC_EXCP_SYSCALL_USER:
1543 /* system call in user-mode emulation */
1545 * PPC ABI uses overflow flag in cr0 to signal an error
1549 printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
1550 env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
1552 env->crf[0] &= ~0x1;
1553 ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
1554 env->gpr[5], env->gpr[6], env->gpr[7],
1556 if (ret == (uint32_t)(-TARGET_QEMU_ESIGRETURN)) {
1557 /* Returning from a successful sigreturn syscall.
1558 Avoid corrupting register state. */
1561 if (ret > (uint32_t)(-515)) {
1567 printf("syscall returned 0x%08x (%d)\n", ret, ret);
1570 case POWERPC_EXCP_STCX:
1571 if (do_store_exclusive(env)) {
1572 info.si_signo = TARGET_SIGSEGV;
1574 info.si_code = TARGET_SEGV_MAPERR;
1575 info._sifields._sigfault._addr = env->nip;
1576 queue_signal(env, info.si_signo, &info);
1583 sig = gdb_handlesig(env, TARGET_SIGTRAP);
1585 info.si_signo = sig;
1587 info.si_code = TARGET_TRAP_BRKPT;
1588 queue_signal(env, info.si_signo, &info);
1592 case EXCP_INTERRUPT:
1593 /* just indicate that signals should be handled asap */
1596 cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
1599 process_pending_signals(env);
1606 #define MIPS_SYS(name, args) args,
1608 static const uint8_t mips_syscall_args[] = {
1609 MIPS_SYS(sys_syscall , 0) /* 4000 */
1610 MIPS_SYS(sys_exit , 1)
1611 MIPS_SYS(sys_fork , 0)
1612 MIPS_SYS(sys_read , 3)
1613 MIPS_SYS(sys_write , 3)
1614 MIPS_SYS(sys_open , 3) /* 4005 */
1615 MIPS_SYS(sys_close , 1)
1616 MIPS_SYS(sys_waitpid , 3)
1617 MIPS_SYS(sys_creat , 2)
1618 MIPS_SYS(sys_link , 2)
1619 MIPS_SYS(sys_unlink , 1) /* 4010 */
1620 MIPS_SYS(sys_execve , 0)
1621 MIPS_SYS(sys_chdir , 1)
1622 MIPS_SYS(sys_time , 1)
1623 MIPS_SYS(sys_mknod , 3)
1624 MIPS_SYS(sys_chmod , 2) /* 4015 */
1625 MIPS_SYS(sys_lchown , 3)
1626 MIPS_SYS(sys_ni_syscall , 0)
1627 MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
1628 MIPS_SYS(sys_lseek , 3)
1629 MIPS_SYS(sys_getpid , 0) /* 4020 */
1630 MIPS_SYS(sys_mount , 5)
1631 MIPS_SYS(sys_oldumount , 1)
1632 MIPS_SYS(sys_setuid , 1)
1633 MIPS_SYS(sys_getuid , 0)
1634 MIPS_SYS(sys_stime , 1) /* 4025 */
1635 MIPS_SYS(sys_ptrace , 4)
1636 MIPS_SYS(sys_alarm , 1)
1637 MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
1638 MIPS_SYS(sys_pause , 0)
1639 MIPS_SYS(sys_utime , 2) /* 4030 */
1640 MIPS_SYS(sys_ni_syscall , 0)
1641 MIPS_SYS(sys_ni_syscall , 0)
1642 MIPS_SYS(sys_access , 2)
1643 MIPS_SYS(sys_nice , 1)
1644 MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
1645 MIPS_SYS(sys_sync , 0)
1646 MIPS_SYS(sys_kill , 2)
1647 MIPS_SYS(sys_rename , 2)
1648 MIPS_SYS(sys_mkdir , 2)
1649 MIPS_SYS(sys_rmdir , 1) /* 4040 */
1650 MIPS_SYS(sys_dup , 1)
1651 MIPS_SYS(sys_pipe , 0)
1652 MIPS_SYS(sys_times , 1)
1653 MIPS_SYS(sys_ni_syscall , 0)
1654 MIPS_SYS(sys_brk , 1) /* 4045 */
1655 MIPS_SYS(sys_setgid , 1)
1656 MIPS_SYS(sys_getgid , 0)
1657 MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
1658 MIPS_SYS(sys_geteuid , 0)
1659 MIPS_SYS(sys_getegid , 0) /* 4050 */
1660 MIPS_SYS(sys_acct , 0)
1661 MIPS_SYS(sys_umount , 2)
1662 MIPS_SYS(sys_ni_syscall , 0)
1663 MIPS_SYS(sys_ioctl , 3)
1664 MIPS_SYS(sys_fcntl , 3) /* 4055 */
1665 MIPS_SYS(sys_ni_syscall , 2)
1666 MIPS_SYS(sys_setpgid , 2)
1667 MIPS_SYS(sys_ni_syscall , 0)
1668 MIPS_SYS(sys_olduname , 1)
1669 MIPS_SYS(sys_umask , 1) /* 4060 */
1670 MIPS_SYS(sys_chroot , 1)
1671 MIPS_SYS(sys_ustat , 2)
1672 MIPS_SYS(sys_dup2 , 2)
1673 MIPS_SYS(sys_getppid , 0)
1674 MIPS_SYS(sys_getpgrp , 0) /* 4065 */
1675 MIPS_SYS(sys_setsid , 0)
1676 MIPS_SYS(sys_sigaction , 3)
1677 MIPS_SYS(sys_sgetmask , 0)
1678 MIPS_SYS(sys_ssetmask , 1)
1679 MIPS_SYS(sys_setreuid , 2) /* 4070 */
1680 MIPS_SYS(sys_setregid , 2)
1681 MIPS_SYS(sys_sigsuspend , 0)
1682 MIPS_SYS(sys_sigpending , 1)
1683 MIPS_SYS(sys_sethostname , 2)
1684 MIPS_SYS(sys_setrlimit , 2) /* 4075 */
1685 MIPS_SYS(sys_getrlimit , 2)
1686 MIPS_SYS(sys_getrusage , 2)
1687 MIPS_SYS(sys_gettimeofday, 2)
1688 MIPS_SYS(sys_settimeofday, 2)
1689 MIPS_SYS(sys_getgroups , 2) /* 4080 */
1690 MIPS_SYS(sys_setgroups , 2)
1691 MIPS_SYS(sys_ni_syscall , 0) /* old_select */
1692 MIPS_SYS(sys_symlink , 2)
1693 MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
1694 MIPS_SYS(sys_readlink , 3) /* 4085 */
1695 MIPS_SYS(sys_uselib , 1)
1696 MIPS_SYS(sys_swapon , 2)
1697 MIPS_SYS(sys_reboot , 3)
1698 MIPS_SYS(old_readdir , 3)
1699 MIPS_SYS(old_mmap , 6) /* 4090 */
1700 MIPS_SYS(sys_munmap , 2)
1701 MIPS_SYS(sys_truncate , 2)
1702 MIPS_SYS(sys_ftruncate , 2)
1703 MIPS_SYS(sys_fchmod , 2)
1704 MIPS_SYS(sys_fchown , 3) /* 4095 */
1705 MIPS_SYS(sys_getpriority , 2)
1706 MIPS_SYS(sys_setpriority , 3)
1707 MIPS_SYS(sys_ni_syscall , 0)
1708 MIPS_SYS(sys_statfs , 2)
1709 MIPS_SYS(sys_fstatfs , 2) /* 4100 */
1710 MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
1711 MIPS_SYS(sys_socketcall , 2)
1712 MIPS_SYS(sys_syslog , 3)
1713 MIPS_SYS(sys_setitimer , 3)
1714 MIPS_SYS(sys_getitimer , 2) /* 4105 */
1715 MIPS_SYS(sys_newstat , 2)
1716 MIPS_SYS(sys_newlstat , 2)
1717 MIPS_SYS(sys_newfstat , 2)
1718 MIPS_SYS(sys_uname , 1)
1719 MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
1720 MIPS_SYS(sys_vhangup , 0)
1721 MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
1722 MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
1723 MIPS_SYS(sys_wait4 , 4)
1724 MIPS_SYS(sys_swapoff , 1) /* 4115 */
1725 MIPS_SYS(sys_sysinfo , 1)
1726 MIPS_SYS(sys_ipc , 6)
1727 MIPS_SYS(sys_fsync , 1)
1728 MIPS_SYS(sys_sigreturn , 0)
1729 MIPS_SYS(sys_clone , 6) /* 4120 */
1730 MIPS_SYS(sys_setdomainname, 2)
1731 MIPS_SYS(sys_newuname , 1)
1732 MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
1733 MIPS_SYS(sys_adjtimex , 1)
1734 MIPS_SYS(sys_mprotect , 3) /* 4125 */
1735 MIPS_SYS(sys_sigprocmask , 3)
1736 MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
1737 MIPS_SYS(sys_init_module , 5)
1738 MIPS_SYS(sys_delete_module, 1)
1739 MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
1740 MIPS_SYS(sys_quotactl , 0)
1741 MIPS_SYS(sys_getpgid , 1)
1742 MIPS_SYS(sys_fchdir , 1)
1743 MIPS_SYS(sys_bdflush , 2)
1744 MIPS_SYS(sys_sysfs , 3) /* 4135 */
1745 MIPS_SYS(sys_personality , 1)
1746 MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
1747 MIPS_SYS(sys_setfsuid , 1)
1748 MIPS_SYS(sys_setfsgid , 1)
1749 MIPS_SYS(sys_llseek , 5) /* 4140 */
1750 MIPS_SYS(sys_getdents , 3)
1751 MIPS_SYS(sys_select , 5)
1752 MIPS_SYS(sys_flock , 2)
1753 MIPS_SYS(sys_msync , 3)
1754 MIPS_SYS(sys_readv , 3) /* 4145 */
1755 MIPS_SYS(sys_writev , 3)
1756 MIPS_SYS(sys_cacheflush , 3)
1757 MIPS_SYS(sys_cachectl , 3)
1758 MIPS_SYS(sys_sysmips , 4)
1759 MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
1760 MIPS_SYS(sys_getsid , 1)
1761 MIPS_SYS(sys_fdatasync , 0)
1762 MIPS_SYS(sys_sysctl , 1)
1763 MIPS_SYS(sys_mlock , 2)
1764 MIPS_SYS(sys_munlock , 2) /* 4155 */
1765 MIPS_SYS(sys_mlockall , 1)
1766 MIPS_SYS(sys_munlockall , 0)
1767 MIPS_SYS(sys_sched_setparam, 2)
1768 MIPS_SYS(sys_sched_getparam, 2)
1769 MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
1770 MIPS_SYS(sys_sched_getscheduler, 1)
1771 MIPS_SYS(sys_sched_yield , 0)
1772 MIPS_SYS(sys_sched_get_priority_max, 1)
1773 MIPS_SYS(sys_sched_get_priority_min, 1)
1774 MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
1775 MIPS_SYS(sys_nanosleep, 2)
1776 MIPS_SYS(sys_mremap , 4)
1777 MIPS_SYS(sys_accept , 3)
1778 MIPS_SYS(sys_bind , 3)
1779 MIPS_SYS(sys_connect , 3) /* 4170 */
1780 MIPS_SYS(sys_getpeername , 3)
1781 MIPS_SYS(sys_getsockname , 3)
1782 MIPS_SYS(sys_getsockopt , 5)
1783 MIPS_SYS(sys_listen , 2)
1784 MIPS_SYS(sys_recv , 4) /* 4175 */
1785 MIPS_SYS(sys_recvfrom , 6)
1786 MIPS_SYS(sys_recvmsg , 3)
1787 MIPS_SYS(sys_send , 4)
1788 MIPS_SYS(sys_sendmsg , 3)
1789 MIPS_SYS(sys_sendto , 6) /* 4180 */
1790 MIPS_SYS(sys_setsockopt , 5)
1791 MIPS_SYS(sys_shutdown , 2)
1792 MIPS_SYS(sys_socket , 3)
1793 MIPS_SYS(sys_socketpair , 4)
1794 MIPS_SYS(sys_setresuid , 3) /* 4185 */
1795 MIPS_SYS(sys_getresuid , 3)
1796 MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
1797 MIPS_SYS(sys_poll , 3)
1798 MIPS_SYS(sys_nfsservctl , 3)
1799 MIPS_SYS(sys_setresgid , 3) /* 4190 */
1800 MIPS_SYS(sys_getresgid , 3)
1801 MIPS_SYS(sys_prctl , 5)
1802 MIPS_SYS(sys_rt_sigreturn, 0)
1803 MIPS_SYS(sys_rt_sigaction, 4)
1804 MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
1805 MIPS_SYS(sys_rt_sigpending, 2)
1806 MIPS_SYS(sys_rt_sigtimedwait, 4)
1807 MIPS_SYS(sys_rt_sigqueueinfo, 3)
1808 MIPS_SYS(sys_rt_sigsuspend, 0)
1809 MIPS_SYS(sys_pread64 , 6) /* 4200 */
1810 MIPS_SYS(sys_pwrite64 , 6)
1811 MIPS_SYS(sys_chown , 3)
1812 MIPS_SYS(sys_getcwd , 2)
1813 MIPS_SYS(sys_capget , 2)
1814 MIPS_SYS(sys_capset , 2) /* 4205 */
1815 MIPS_SYS(sys_sigaltstack , 0)
1816 MIPS_SYS(sys_sendfile , 4)
1817 MIPS_SYS(sys_ni_syscall , 0)
1818 MIPS_SYS(sys_ni_syscall , 0)
1819 MIPS_SYS(sys_mmap2 , 6) /* 4210 */
1820 MIPS_SYS(sys_truncate64 , 4)
1821 MIPS_SYS(sys_ftruncate64 , 4)
1822 MIPS_SYS(sys_stat64 , 2)
1823 MIPS_SYS(sys_lstat64 , 2)
1824 MIPS_SYS(sys_fstat64 , 2) /* 4215 */
1825 MIPS_SYS(sys_pivot_root , 2)
1826 MIPS_SYS(sys_mincore , 3)
1827 MIPS_SYS(sys_madvise , 3)
1828 MIPS_SYS(sys_getdents64 , 3)
1829 MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
1830 MIPS_SYS(sys_ni_syscall , 0)
1831 MIPS_SYS(sys_gettid , 0)
1832 MIPS_SYS(sys_readahead , 5)
1833 MIPS_SYS(sys_setxattr , 5)
1834 MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
1835 MIPS_SYS(sys_fsetxattr , 5)
1836 MIPS_SYS(sys_getxattr , 4)
1837 MIPS_SYS(sys_lgetxattr , 4)
1838 MIPS_SYS(sys_fgetxattr , 4)
1839 MIPS_SYS(sys_listxattr , 3) /* 4230 */
1840 MIPS_SYS(sys_llistxattr , 3)
1841 MIPS_SYS(sys_flistxattr , 3)
1842 MIPS_SYS(sys_removexattr , 2)
1843 MIPS_SYS(sys_lremovexattr, 2)
1844 MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
1845 MIPS_SYS(sys_tkill , 2)
1846 MIPS_SYS(sys_sendfile64 , 5)
1847 MIPS_SYS(sys_futex , 2)
1848 MIPS_SYS(sys_sched_setaffinity, 3)
1849 MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
1850 MIPS_SYS(sys_io_setup , 2)
1851 MIPS_SYS(sys_io_destroy , 1)
1852 MIPS_SYS(sys_io_getevents, 5)
1853 MIPS_SYS(sys_io_submit , 3)
1854 MIPS_SYS(sys_io_cancel , 3) /* 4245 */
1855 MIPS_SYS(sys_exit_group , 1)
1856 MIPS_SYS(sys_lookup_dcookie, 3)
1857 MIPS_SYS(sys_epoll_create, 1)
1858 MIPS_SYS(sys_epoll_ctl , 4)
1859 MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
1860 MIPS_SYS(sys_remap_file_pages, 5)
1861 MIPS_SYS(sys_set_tid_address, 1)
1862 MIPS_SYS(sys_restart_syscall, 0)
1863 MIPS_SYS(sys_fadvise64_64, 7)
1864 MIPS_SYS(sys_statfs64 , 3) /* 4255 */
1865 MIPS_SYS(sys_fstatfs64 , 2)
1866 MIPS_SYS(sys_timer_create, 3)
1867 MIPS_SYS(sys_timer_settime, 4)
1868 MIPS_SYS(sys_timer_gettime, 2)
1869 MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
1870 MIPS_SYS(sys_timer_delete, 1)
1871 MIPS_SYS(sys_clock_settime, 2)
1872 MIPS_SYS(sys_clock_gettime, 2)
1873 MIPS_SYS(sys_clock_getres, 2)
1874 MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
1875 MIPS_SYS(sys_tgkill , 3)
1876 MIPS_SYS(sys_utimes , 2)
1877 MIPS_SYS(sys_mbind , 4)
1878 MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
1879 MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
1880 MIPS_SYS(sys_mq_open , 4)
1881 MIPS_SYS(sys_mq_unlink , 1)
1882 MIPS_SYS(sys_mq_timedsend, 5)
1883 MIPS_SYS(sys_mq_timedreceive, 5)
1884 MIPS_SYS(sys_mq_notify , 2) /* 4275 */
1885 MIPS_SYS(sys_mq_getsetattr, 3)
1886 MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
1887 MIPS_SYS(sys_waitid , 4)
1888 MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
1889 MIPS_SYS(sys_add_key , 5)
1890 MIPS_SYS(sys_request_key, 4)
1891 MIPS_SYS(sys_keyctl , 5)
1892 MIPS_SYS(sys_set_thread_area, 1)
1893 MIPS_SYS(sys_inotify_init, 0)
1894 MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
1895 MIPS_SYS(sys_inotify_rm_watch, 2)
1896 MIPS_SYS(sys_migrate_pages, 4)
1897 MIPS_SYS(sys_openat, 4)
1898 MIPS_SYS(sys_mkdirat, 3)
1899 MIPS_SYS(sys_mknodat, 4) /* 4290 */
1900 MIPS_SYS(sys_fchownat, 5)
1901 MIPS_SYS(sys_futimesat, 3)
1902 MIPS_SYS(sys_fstatat64, 4)
1903 MIPS_SYS(sys_unlinkat, 3)
1904 MIPS_SYS(sys_renameat, 4) /* 4295 */
1905 MIPS_SYS(sys_linkat, 5)
1906 MIPS_SYS(sys_symlinkat, 3)
1907 MIPS_SYS(sys_readlinkat, 4)
1908 MIPS_SYS(sys_fchmodat, 3)
1909 MIPS_SYS(sys_faccessat, 3) /* 4300 */
1910 MIPS_SYS(sys_pselect6, 6)
1911 MIPS_SYS(sys_ppoll, 5)
1912 MIPS_SYS(sys_unshare, 1)
1913 MIPS_SYS(sys_splice, 4)
1914 MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
1915 MIPS_SYS(sys_tee, 4)
1916 MIPS_SYS(sys_vmsplice, 4)
1917 MIPS_SYS(sys_move_pages, 6)
1918 MIPS_SYS(sys_set_robust_list, 2)
1919 MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
1920 MIPS_SYS(sys_kexec_load, 4)
1921 MIPS_SYS(sys_getcpu, 3)
1922 MIPS_SYS(sys_epoll_pwait, 6)
1923 MIPS_SYS(sys_ioprio_set, 3)
1924 MIPS_SYS(sys_ioprio_get, 2)
1929 static int do_store_exclusive(CPUMIPSState *env)
1932 target_ulong page_addr;
1940 page_addr = addr & TARGET_PAGE_MASK;
1943 flags = page_get_flags(page_addr);
1944 if ((flags & PAGE_READ) == 0) {
1947 reg = env->llreg & 0x1f;
1948 d = (env->llreg & 0x20) != 0;
1950 segv = get_user_s64(val, addr);
1952 segv = get_user_s32(val, addr);
1955 if (val != env->llval) {
1956 env->active_tc.gpr[reg] = 0;
1959 segv = put_user_u64(env->llnewval, addr);
1961 segv = put_user_u32(env->llnewval, addr);
1964 env->active_tc.gpr[reg] = 1;
1971 env->active_tc.PC += 4;
1978 void cpu_loop(CPUMIPSState *env)
1980 target_siginfo_t info;
1982 unsigned int syscall_num;
1985 cpu_exec_start(env);
1986 trapnr = cpu_mips_exec(env);
1990 syscall_num = env->active_tc.gpr[2] - 4000;
1991 env->active_tc.PC += 4;
1992 if (syscall_num >= sizeof(mips_syscall_args)) {
1997 abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
1999 nb_args = mips_syscall_args[syscall_num];
2000 sp_reg = env->active_tc.gpr[29];
2002 /* these arguments are taken from the stack */
2003 /* FIXME - what to do if get_user() fails? */
2004 case 8: get_user_ual(arg8, sp_reg + 28);
2005 case 7: get_user_ual(arg7, sp_reg + 24);
2006 case 6: get_user_ual(arg6, sp_reg + 20);
2007 case 5: get_user_ual(arg5, sp_reg + 16);
2011 ret = do_syscall(env, env->active_tc.gpr[2],
2012 env->active_tc.gpr[4],
2013 env->active_tc.gpr[5],
2014 env->active_tc.gpr[6],
2015 env->active_tc.gpr[7],
2016 arg5, arg6/*, arg7, arg8*/);
2018 if (ret == -TARGET_QEMU_ESIGRETURN) {
2019 /* Returning from a successful sigreturn syscall.
2020 Avoid clobbering register state. */
2023 if ((unsigned int)ret >= (unsigned int)(-1133)) {
2024 env->active_tc.gpr[7] = 1; /* error flag */
2027 env->active_tc.gpr[7] = 0; /* error flag */
2029 env->active_tc.gpr[2] = ret;
2033 info.si_signo = TARGET_SIGSEGV;
2035 /* XXX: check env->error_code */
2036 info.si_code = TARGET_SEGV_MAPERR;
2037 info._sifields._sigfault._addr = env->CP0_BadVAddr;
2038 queue_signal(env, info.si_signo, &info);
2042 info.si_signo = TARGET_SIGILL;
2045 queue_signal(env, info.si_signo, &info);
2047 case EXCP_INTERRUPT:
2048 /* just indicate that signals should be handled asap */
2054 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2057 info.si_signo = sig;
2059 info.si_code = TARGET_TRAP_BRKPT;
2060 queue_signal(env, info.si_signo, &info);
2065 if (do_store_exclusive(env)) {
2066 info.si_signo = TARGET_SIGSEGV;
2068 info.si_code = TARGET_SEGV_MAPERR;
2069 info._sifields._sigfault._addr = env->active_tc.PC;
2070 queue_signal(env, info.si_signo, &info);
2075 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
2077 cpu_dump_state(env, stderr, fprintf, 0);
2080 process_pending_signals(env);
2086 void cpu_loop (CPUState *env)
2089 target_siginfo_t info;
2092 trapnr = cpu_sh4_exec (env);
2097 ret = do_syscall(env,
2105 env->gregs[0] = ret;
2107 case EXCP_INTERRUPT:
2108 /* just indicate that signals should be handled asap */
2114 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2117 info.si_signo = sig;
2119 info.si_code = TARGET_TRAP_BRKPT;
2120 queue_signal(env, info.si_signo, &info);
2126 info.si_signo = SIGSEGV;
2128 info.si_code = TARGET_SEGV_MAPERR;
2129 info._sifields._sigfault._addr = env->tea;
2130 queue_signal(env, info.si_signo, &info);
2134 printf ("Unhandled trap: 0x%x\n", trapnr);
2135 cpu_dump_state(env, stderr, fprintf, 0);
2138 process_pending_signals (env);
2144 void cpu_loop (CPUState *env)
2147 target_siginfo_t info;
2150 trapnr = cpu_cris_exec (env);
2154 info.si_signo = SIGSEGV;
2156 /* XXX: check env->error_code */
2157 info.si_code = TARGET_SEGV_MAPERR;
2158 info._sifields._sigfault._addr = env->pregs[PR_EDA];
2159 queue_signal(env, info.si_signo, &info);
2162 case EXCP_INTERRUPT:
2163 /* just indicate that signals should be handled asap */
2166 ret = do_syscall(env,
2174 env->regs[10] = ret;
2180 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2183 info.si_signo = sig;
2185 info.si_code = TARGET_TRAP_BRKPT;
2186 queue_signal(env, info.si_signo, &info);
2191 printf ("Unhandled trap: 0x%x\n", trapnr);
2192 cpu_dump_state(env, stderr, fprintf, 0);
2195 process_pending_signals (env);
2200 #ifdef TARGET_MICROBLAZE
2201 void cpu_loop (CPUState *env)
2204 target_siginfo_t info;
2207 trapnr = cpu_mb_exec (env);
2211 info.si_signo = SIGSEGV;
2213 /* XXX: check env->error_code */
2214 info.si_code = TARGET_SEGV_MAPERR;
2215 info._sifields._sigfault._addr = 0;
2216 queue_signal(env, info.si_signo, &info);
2219 case EXCP_INTERRUPT:
2220 /* just indicate that signals should be handled asap */
2223 /* Return address is 4 bytes after the call. */
2225 ret = do_syscall(env,
2234 env->sregs[SR_PC] = env->regs[14];
2237 env->regs[17] = env->sregs[SR_PC] + 4;
2238 if (env->iflags & D_FLAG) {
2239 env->sregs[SR_ESR] |= 1 << 12;
2240 env->sregs[SR_PC] -= 4;
2241 /* FIXME: if branch was immed, replay the imm aswell. */
2244 env->iflags &= ~(IMM_FLAG | D_FLAG);
2246 switch (env->sregs[SR_ESR] & 31) {
2248 info.si_signo = SIGFPE;
2250 if (env->sregs[SR_FSR] & FSR_IO) {
2251 info.si_code = TARGET_FPE_FLTINV;
2253 if (env->sregs[SR_FSR] & FSR_DZ) {
2254 info.si_code = TARGET_FPE_FLTDIV;
2256 info._sifields._sigfault._addr = 0;
2257 queue_signal(env, info.si_signo, &info);
2260 printf ("Unhandled hw-exception: 0x%x\n",
2261 env->sregs[SR_ESR] & 5);
2262 cpu_dump_state(env, stderr, fprintf, 0);
2271 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2274 info.si_signo = sig;
2276 info.si_code = TARGET_TRAP_BRKPT;
2277 queue_signal(env, info.si_signo, &info);
2282 printf ("Unhandled trap: 0x%x\n", trapnr);
2283 cpu_dump_state(env, stderr, fprintf, 0);
2286 process_pending_signals (env);
2293 void cpu_loop(CPUM68KState *env)
2297 target_siginfo_t info;
2298 TaskState *ts = env->opaque;
2301 trapnr = cpu_m68k_exec(env);
2305 if (ts->sim_syscalls) {
2307 nr = lduw(env->pc + 2);
2309 do_m68k_simcall(env, nr);
2315 case EXCP_HALT_INSN:
2316 /* Semihosing syscall. */
2318 do_m68k_semihosting(env, env->dregs[0]);
2322 case EXCP_UNSUPPORTED:
2324 info.si_signo = SIGILL;
2326 info.si_code = TARGET_ILL_ILLOPN;
2327 info._sifields._sigfault._addr = env->pc;
2328 queue_signal(env, info.si_signo, &info);
2332 ts->sim_syscalls = 0;
2335 env->dregs[0] = do_syscall(env,
2345 case EXCP_INTERRUPT:
2346 /* just indicate that signals should be handled asap */
2350 info.si_signo = SIGSEGV;
2352 /* XXX: check env->error_code */
2353 info.si_code = TARGET_SEGV_MAPERR;
2354 info._sifields._sigfault._addr = env->mmu.ar;
2355 queue_signal(env, info.si_signo, &info);
2362 sig = gdb_handlesig (env, TARGET_SIGTRAP);
2365 info.si_signo = sig;
2367 info.si_code = TARGET_TRAP_BRKPT;
2368 queue_signal(env, info.si_signo, &info);
2373 fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
2375 cpu_dump_state(env, stderr, fprintf, 0);
2378 process_pending_signals(env);
2381 #endif /* TARGET_M68K */
2384 static void do_store_exclusive(CPUAlphaState *env, int reg, int quad)
2386 target_ulong addr, val, tmp;
2387 target_siginfo_t info;
2390 addr = env->lock_addr;
2391 tmp = env->lock_st_addr;
2392 env->lock_addr = -1;
2393 env->lock_st_addr = 0;
2399 if (quad ? get_user_s64(val, addr) : get_user_s32(val, addr)) {
2403 if (val == env->lock_value) {
2405 if (quad ? put_user_u64(tmp, addr) : put_user_u32(tmp, addr)) {
2422 info.si_signo = TARGET_SIGSEGV;
2424 info.si_code = TARGET_SEGV_MAPERR;
2425 info._sifields._sigfault._addr = addr;
2426 queue_signal(env, TARGET_SIGSEGV, &info);
2429 void cpu_loop (CPUState *env)
2432 target_siginfo_t info;
2436 trapnr = cpu_alpha_exec (env);
2438 /* All of the traps imply a transition through PALcode, which
2439 implies an REI instruction has been executed. Which means
2440 that the intr_flag should be cleared. */
2445 fprintf(stderr, "Reset requested. Exit\n");
2449 fprintf(stderr, "Machine check exception. Exit\n");
2453 env->lock_addr = -1;
2454 info.si_signo = TARGET_SIGFPE;
2456 info.si_code = TARGET_FPE_FLTINV;
2457 info._sifields._sigfault._addr = env->pc;
2458 queue_signal(env, info.si_signo, &info);
2460 case EXCP_HW_INTERRUPT:
2461 fprintf(stderr, "External interrupt. Exit\n");
2465 env->lock_addr = -1;
2466 info.si_signo = TARGET_SIGSEGV;
2468 info.si_code = (page_get_flags(env->ipr[IPR_EXC_ADDR]) & PAGE_VALID
2469 ? TARGET_SEGV_ACCERR : TARGET_SEGV_MAPERR);
2470 info._sifields._sigfault._addr = env->ipr[IPR_EXC_ADDR];
2471 queue_signal(env, info.si_signo, &info);
2473 case EXCP_DTB_MISS_PAL:
2474 fprintf(stderr, "MMU data TLB miss in PALcode\n");
2478 fprintf(stderr, "MMU instruction TLB miss\n");
2482 fprintf(stderr, "MMU instruction access violation\n");
2485 case EXCP_DTB_MISS_NATIVE:
2486 fprintf(stderr, "MMU data TLB miss\n");
2490 env->lock_addr = -1;
2491 info.si_signo = TARGET_SIGBUS;
2493 info.si_code = TARGET_BUS_ADRALN;
2494 info._sifields._sigfault._addr = env->ipr[IPR_EXC_ADDR];
2495 queue_signal(env, info.si_signo, &info);
2499 env->lock_addr = -1;
2500 info.si_signo = TARGET_SIGILL;
2502 info.si_code = TARGET_ILL_ILLOPC;
2503 info._sifields._sigfault._addr = env->pc;
2504 queue_signal(env, info.si_signo, &info);
2507 /* No-op. Linux simply re-enables the FPU. */
2509 case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
2510 env->lock_addr = -1;
2511 switch ((trapnr >> 6) | 0x80) {
2514 info.si_signo = TARGET_SIGTRAP;
2516 info.si_code = TARGET_TRAP_BRKPT;
2517 info._sifields._sigfault._addr = env->pc;
2518 queue_signal(env, info.si_signo, &info);
2522 info.si_signo = TARGET_SIGTRAP;
2525 info._sifields._sigfault._addr = env->pc;
2526 queue_signal(env, info.si_signo, &info);
2530 trapnr = env->ir[IR_V0];
2531 sysret = do_syscall(env, trapnr,
2532 env->ir[IR_A0], env->ir[IR_A1],
2533 env->ir[IR_A2], env->ir[IR_A3],
2534 env->ir[IR_A4], env->ir[IR_A5]);
2535 if (trapnr == TARGET_NR_sigreturn
2536 || trapnr == TARGET_NR_rt_sigreturn) {
2539 /* Syscall writes 0 to V0 to bypass error check, similar
2540 to how this is handled internal to Linux kernel. */
2541 if (env->ir[IR_V0] == 0) {
2542 env->ir[IR_V0] = sysret;
2544 env->ir[IR_V0] = (sysret < 0 ? -sysret : sysret);
2545 env->ir[IR_A3] = (sysret < 0);
2550 /* ??? We can probably elide the code using page_unprotect
2551 that is checking for self-modifying code. Instead we
2552 could simply call tb_flush here. Until we work out the
2553 changes required to turn off the extra write protection,
2554 this can be a no-op. */
2558 /* Handled in the translator for usermode. */
2562 /* Handled in the translator for usermode. */
2566 info.si_signo = TARGET_SIGFPE;
2567 switch (env->ir[IR_A0]) {
2568 case TARGET_GEN_INTOVF:
2569 info.si_code = TARGET_FPE_INTOVF;
2571 case TARGET_GEN_INTDIV:
2572 info.si_code = TARGET_FPE_INTDIV;
2574 case TARGET_GEN_FLTOVF:
2575 info.si_code = TARGET_FPE_FLTOVF;
2577 case TARGET_GEN_FLTUND:
2578 info.si_code = TARGET_FPE_FLTUND;
2580 case TARGET_GEN_FLTINV:
2581 info.si_code = TARGET_FPE_FLTINV;
2583 case TARGET_GEN_FLTINE:
2584 info.si_code = TARGET_FPE_FLTRES;
2586 case TARGET_GEN_ROPRAND:
2590 info.si_signo = TARGET_SIGTRAP;
2595 info._sifields._sigfault._addr = env->pc;
2596 queue_signal(env, info.si_signo, &info);
2602 case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
2605 info.si_signo = gdb_handlesig (env, TARGET_SIGTRAP);
2606 if (info.si_signo) {
2607 env->lock_addr = -1;
2609 info.si_code = TARGET_TRAP_BRKPT;
2610 queue_signal(env, info.si_signo, &info);
2615 do_store_exclusive(env, env->error_code, trapnr - EXCP_STL_C);
2618 printf ("Unhandled trap: 0x%x\n", trapnr);
2619 cpu_dump_state(env, stderr, fprintf, 0);
2622 process_pending_signals (env);
2625 #endif /* TARGET_ALPHA */
2627 static void usage(void)
2629 printf("qemu-" TARGET_ARCH " version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
2630 "usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n"
2631 "Linux CPU emulator (compiled for %s emulation)\n"
2633 "Standard options:\n"
2634 "-h print this help\n"
2635 "-g port wait gdb connection to port\n"
2636 "-L path set the elf interpreter prefix (default=%s)\n"
2637 "-s size set the stack size in bytes (default=%ld)\n"
2638 "-cpu model select CPU (-cpu ? for list)\n"
2639 "-drop-ld-preload drop LD_PRELOAD for target process\n"
2640 "-E var=value sets/modifies targets environment variable(s)\n"
2641 "-U var unsets targets environment variable(s)\n"
2642 "-0 argv0 forces target process argv[0] to be argv0\n"
2643 #if defined(CONFIG_USE_GUEST_BASE)
2644 "-B address set guest_base address to address\n"
2645 "-R size reserve size bytes for guest virtual address space\n"
2649 "-d options activate log (logfile=%s)\n"
2650 "-p pagesize set the host page size to 'pagesize'\n"
2651 "-singlestep always run in singlestep mode\n"
2652 "-strace log system calls\n"
2654 "Environment variables:\n"
2655 "QEMU_STRACE Print system calls and arguments similar to the\n"
2656 " 'strace' program. Enable by setting to any value.\n"
2657 "You can use -E and -U options to set/unset environment variables\n"
2658 "for target process. It is possible to provide several variables\n"
2659 "by repeating the option. For example:\n"
2660 " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n"
2661 "Note that if you provide several changes to single variable\n"
2662 "last change will stay in effect.\n"
2671 THREAD CPUState *thread_env;
2673 void task_settid(TaskState *ts)
2675 if (ts->ts_tid == 0) {
2676 #ifdef CONFIG_USE_NPTL
2677 ts->ts_tid = (pid_t)syscall(SYS_gettid);
2679 /* when no threads are used, tid becomes pid */
2680 ts->ts_tid = getpid();
2685 void stop_all_tasks(void)
2688 * We trust that when using NPTL, start_exclusive()
2689 * handles thread stopping correctly.
2694 /* Assumes contents are already zeroed. */
2695 void init_task_state(TaskState *ts)
2700 ts->first_free = ts->sigqueue_table;
2701 for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) {
2702 ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1];
2704 ts->sigqueue_table[i].next = NULL;
2707 int main(int argc, char **argv, char **envp)
2709 const char *filename;
2710 const char *cpu_model;
2711 struct target_pt_regs regs1, *regs = ®s1;
2712 struct image_info info1, *info = &info1;
2713 struct linux_binprm bprm;
2718 int gdbstub_port = 0;
2719 char **target_environ, **wrk;
2722 envlist_t *envlist = NULL;
2723 const char *argv0 = NULL;
2730 qemu_cache_utils_init(envp);
2733 cpu_set_log_filename(DEBUG_LOGFILE);
2735 if ((envlist = envlist_create()) == NULL) {
2736 (void) fprintf(stderr, "Unable to allocate envlist\n");
2740 /* add current environment into the list */
2741 for (wrk = environ; *wrk != NULL; wrk++) {
2742 (void) envlist_setenv(envlist, *wrk);
2745 /* Read the stack limit from the kernel. If it's "unlimited",
2746 then we can do little else besides use the default. */
2749 if (getrlimit(RLIMIT_STACK, &lim) == 0
2750 && lim.rlim_cur != RLIM_INFINITY
2751 && lim.rlim_cur == (target_long)lim.rlim_cur) {
2752 guest_stack_size = lim.rlim_cur;
2757 #if defined(cpudef_setup)
2758 cpudef_setup(); /* parse cpu definitions in target config file (TBD) */
2770 if (!strcmp(r, "-")) {
2772 } else if (!strcmp(r, "d")) {
2774 const CPULogItem *item;
2780 mask = cpu_str_to_log_mask(r);
2782 printf("Log items (comma separated):\n");
2783 for(item = cpu_log_items; item->mask != 0; item++) {
2784 printf("%-10s %s\n", item->name, item->help);
2789 } else if (!strcmp(r, "E")) {
2791 if (envlist_setenv(envlist, r) != 0)
2793 } else if (!strcmp(r, "ignore-environment")) {
2794 envlist_free(envlist);
2795 if ((envlist = envlist_create()) == NULL) {
2796 (void) fprintf(stderr, "Unable to allocate envlist\n");
2799 } else if (!strcmp(r, "U")) {
2801 if (envlist_unsetenv(envlist, r) != 0)
2803 } else if (!strcmp(r, "0")) {
2806 } else if (!strcmp(r, "s")) {
2810 guest_stack_size = strtoul(r, (char **)&r, 0);
2811 if (guest_stack_size == 0)
2814 guest_stack_size *= 1024 * 1024;
2815 else if (*r == 'k' || *r == 'K')
2816 guest_stack_size *= 1024;
2817 } else if (!strcmp(r, "L")) {
2818 interp_prefix = argv[optind++];
2819 } else if (!strcmp(r, "p")) {
2822 qemu_host_page_size = atoi(argv[optind++]);
2823 if (qemu_host_page_size == 0 ||
2824 (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
2825 fprintf(stderr, "page size must be a power of two\n");
2828 } else if (!strcmp(r, "g")) {
2831 gdbstub_port = atoi(argv[optind++]);
2832 } else if (!strcmp(r, "r")) {
2833 qemu_uname_release = argv[optind++];
2834 } else if (!strcmp(r, "cpu")) {
2835 cpu_model = argv[optind++];
2836 if (cpu_model == NULL || strcmp(cpu_model, "?") == 0) {
2837 /* XXX: implement xxx_cpu_list for targets that still miss it */
2838 #if defined(cpu_list_id)
2839 cpu_list_id(stdout, &fprintf, "");
2840 #elif defined(cpu_list)
2841 cpu_list(stdout, &fprintf); /* deprecated */
2845 #if defined(CONFIG_USE_GUEST_BASE)
2846 } else if (!strcmp(r, "B")) {
2847 guest_base = strtol(argv[optind++], NULL, 0);
2848 have_guest_base = 1;
2849 } else if (!strcmp(r, "R")) {
2852 reserved_va = strtoul(argv[optind++], &p, 0);
2866 unsigned long unshifted = reserved_va;
2868 reserved_va <<= shift;
2869 if (((reserved_va >> shift) != unshifted)
2870 #if HOST_LONG_BITS > TARGET_VIRT_ADDR_SPACE_BITS
2871 || (reserved_va > (1ul << TARGET_VIRT_ADDR_SPACE_BITS))
2874 fprintf(stderr, "Reserved virtual address too big\n");
2879 fprintf(stderr, "Unrecognised -R size suffix '%s'\n", p);
2883 } else if (!strcmp(r, "drop-ld-preload")) {
2884 (void) envlist_unsetenv(envlist, "LD_PRELOAD");
2885 } else if (!strcmp(r, "singlestep")) {
2887 } else if (!strcmp(r, "strace")) {
2896 filename = argv[optind];
2897 exec_path = argv[optind];
2900 memset(regs, 0, sizeof(struct target_pt_regs));
2902 /* Zero out image_info */
2903 memset(info, 0, sizeof(struct image_info));
2905 memset(&bprm, 0, sizeof (bprm));
2907 /* Scan interp_prefix dir for replacement files. */
2908 init_paths(interp_prefix);
2910 if (cpu_model == NULL) {
2911 #if defined(TARGET_I386)
2912 #ifdef TARGET_X86_64
2913 cpu_model = "qemu64";
2915 cpu_model = "qemu32";
2917 #elif defined(TARGET_ARM)
2919 #elif defined(TARGET_M68K)
2921 #elif defined(TARGET_SPARC)
2922 #ifdef TARGET_SPARC64
2923 cpu_model = "TI UltraSparc II";
2925 cpu_model = "Fujitsu MB86904";
2927 #elif defined(TARGET_MIPS)
2928 #if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
2933 #elif defined(TARGET_PPC)
2935 cpu_model = "970fx";
2943 cpu_exec_init_all(0);
2944 /* NOTE: we need to init the CPU at this stage to get
2945 qemu_host_page_size */
2946 env = cpu_init(cpu_model);
2948 fprintf(stderr, "Unable to find CPU definition\n");
2951 #if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
2957 if (getenv("QEMU_STRACE")) {
2961 target_environ = envlist_to_environ(envlist, NULL);
2962 envlist_free(envlist);
2964 #if defined(CONFIG_USE_GUEST_BASE)
2966 * Now that page sizes are configured in cpu_init() we can do
2967 * proper page alignment for guest_base.
2969 guest_base = HOST_PAGE_ALIGN(guest_base);
2975 flags = MAP_ANONYMOUS | MAP_PRIVATE | MAP_NORESERVE;
2976 if (have_guest_base) {
2979 p = mmap((void *)guest_base, reserved_va, PROT_NONE, flags, -1, 0);
2980 if (p == MAP_FAILED) {
2981 fprintf(stderr, "Unable to reserve guest address space\n");
2984 guest_base = (unsigned long)p;
2985 /* Make sure the address is properly aligned. */
2986 if (guest_base & ~qemu_host_page_mask) {
2987 munmap(p, reserved_va);
2988 p = mmap((void *)guest_base, reserved_va + qemu_host_page_size,
2989 PROT_NONE, flags, -1, 0);
2990 if (p == MAP_FAILED) {
2991 fprintf(stderr, "Unable to reserve guest address space\n");
2994 guest_base = HOST_PAGE_ALIGN((unsigned long)p);
2996 qemu_log("Reserved 0x%lx bytes of guest address space\n", reserved_va);
2998 #endif /* CONFIG_USE_GUEST_BASE */
3001 * Read in mmap_min_addr kernel parameter. This value is used
3002 * When loading the ELF image to determine whether guest_base
3003 * is needed. It is also used in mmap_find_vma.
3008 if ((fp = fopen("/proc/sys/vm/mmap_min_addr", "r")) != NULL) {
3010 if (fscanf(fp, "%lu", &tmp) == 1) {
3011 mmap_min_addr = tmp;
3012 qemu_log("host mmap_min_addr=0x%lx\n", mmap_min_addr);
3019 * Prepare copy of argv vector for target.
3021 target_argc = argc - optind;
3022 target_argv = calloc(target_argc + 1, sizeof (char *));
3023 if (target_argv == NULL) {
3024 (void) fprintf(stderr, "Unable to allocate memory for target_argv\n");
3029 * If argv0 is specified (using '-0' switch) we replace
3030 * argv[0] pointer with the given one.
3033 if (argv0 != NULL) {
3034 target_argv[i++] = strdup(argv0);
3036 for (; i < target_argc; i++) {
3037 target_argv[i] = strdup(argv[optind + i]);
3039 target_argv[target_argc] = NULL;
3041 ts = qemu_mallocz (sizeof(TaskState));
3042 init_task_state(ts);
3043 /* build Task State */
3049 ret = loader_exec(filename, target_argv, target_environ, regs,
3052 printf("Error %d while loading %s\n", ret, filename);
3056 for (i = 0; i < target_argc; i++) {
3057 free(target_argv[i]);
3061 for (wrk = target_environ; *wrk; wrk++) {
3065 free(target_environ);
3067 if (qemu_log_enabled()) {
3068 #if defined(CONFIG_USE_GUEST_BASE)
3069 qemu_log("guest_base 0x%lx\n", guest_base);
3073 qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
3074 qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code);
3075 qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n",
3077 qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n",
3079 qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data);
3080 qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n",
3082 qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk);
3083 qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry);
3086 target_set_brk(info->brk);
3090 #if defined(CONFIG_USE_GUEST_BASE)
3091 /* Now that we've loaded the binary, GUEST_BASE is fixed. Delay
3092 generating the prologue until now so that the prologue can take
3093 the real value of GUEST_BASE into account. */
3094 tcg_prologue_init(&tcg_ctx);
3097 #if defined(TARGET_I386)
3098 cpu_x86_set_cpl(env, 3);
3100 env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
3101 env->hflags |= HF_PE_MASK;
3102 if (env->cpuid_features & CPUID_SSE) {
3103 env->cr[4] |= CR4_OSFXSR_MASK;
3104 env->hflags |= HF_OSFXSR_MASK;
3106 #ifndef TARGET_ABI32
3107 /* enable 64 bit mode if possible */
3108 if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) {
3109 fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n");
3112 env->cr[4] |= CR4_PAE_MASK;
3113 env->efer |= MSR_EFER_LMA | MSR_EFER_LME;
3114 env->hflags |= HF_LMA_MASK;
3117 /* flags setup : we activate the IRQs by default as in user mode */
3118 env->eflags |= IF_MASK;
3120 /* linux register setup */
3121 #ifndef TARGET_ABI32
3122 env->regs[R_EAX] = regs->rax;
3123 env->regs[R_EBX] = regs->rbx;
3124 env->regs[R_ECX] = regs->rcx;
3125 env->regs[R_EDX] = regs->rdx;
3126 env->regs[R_ESI] = regs->rsi;
3127 env->regs[R_EDI] = regs->rdi;
3128 env->regs[R_EBP] = regs->rbp;
3129 env->regs[R_ESP] = regs->rsp;
3130 env->eip = regs->rip;
3132 env->regs[R_EAX] = regs->eax;
3133 env->regs[R_EBX] = regs->ebx;
3134 env->regs[R_ECX] = regs->ecx;
3135 env->regs[R_EDX] = regs->edx;
3136 env->regs[R_ESI] = regs->esi;
3137 env->regs[R_EDI] = regs->edi;
3138 env->regs[R_EBP] = regs->ebp;
3139 env->regs[R_ESP] = regs->esp;
3140 env->eip = regs->eip;
3143 /* linux interrupt setup */
3144 #ifndef TARGET_ABI32
3145 env->idt.limit = 511;
3147 env->idt.limit = 255;
3149 env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1),
3150 PROT_READ|PROT_WRITE,
3151 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3152 idt_table = g2h(env->idt.base);
3175 /* linux segment setup */
3177 uint64_t *gdt_table;
3178 env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,
3179 PROT_READ|PROT_WRITE,
3180 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3181 env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1;
3182 gdt_table = g2h(env->gdt.base);
3184 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
3185 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
3186 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
3188 /* 64 bit code segment */
3189 write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
3190 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
3192 (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
3194 write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
3195 DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
3196 (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
3198 cpu_x86_load_seg(env, R_CS, __USER_CS);
3199 cpu_x86_load_seg(env, R_SS, __USER_DS);
3201 cpu_x86_load_seg(env, R_DS, __USER_DS);
3202 cpu_x86_load_seg(env, R_ES, __USER_DS);
3203 cpu_x86_load_seg(env, R_FS, __USER_DS);
3204 cpu_x86_load_seg(env, R_GS, __USER_DS);
3205 /* This hack makes Wine work... */
3206 env->segs[R_FS].selector = 0;
3208 cpu_x86_load_seg(env, R_DS, 0);
3209 cpu_x86_load_seg(env, R_ES, 0);
3210 cpu_x86_load_seg(env, R_FS, 0);
3211 cpu_x86_load_seg(env, R_GS, 0);
3213 #elif defined(TARGET_ARM)
3216 cpsr_write(env, regs->uregs[16], 0xffffffff);
3217 for(i = 0; i < 16; i++) {
3218 env->regs[i] = regs->uregs[i];
3221 #elif defined(TARGET_SPARC)
3225 env->npc = regs->npc;
3227 for(i = 0; i < 8; i++)
3228 env->gregs[i] = regs->u_regs[i];
3229 for(i = 0; i < 8; i++)
3230 env->regwptr[i] = regs->u_regs[i + 8];
3232 #elif defined(TARGET_PPC)
3236 #if defined(TARGET_PPC64)
3237 #if defined(TARGET_ABI32)
3238 env->msr &= ~((target_ulong)1 << MSR_SF);
3240 env->msr |= (target_ulong)1 << MSR_SF;
3243 env->nip = regs->nip;
3244 for(i = 0; i < 32; i++) {
3245 env->gpr[i] = regs->gpr[i];
3248 #elif defined(TARGET_M68K)
3251 env->dregs[0] = regs->d0;
3252 env->dregs[1] = regs->d1;
3253 env->dregs[2] = regs->d2;
3254 env->dregs[3] = regs->d3;
3255 env->dregs[4] = regs->d4;
3256 env->dregs[5] = regs->d5;
3257 env->dregs[6] = regs->d6;
3258 env->dregs[7] = regs->d7;
3259 env->aregs[0] = regs->a0;
3260 env->aregs[1] = regs->a1;
3261 env->aregs[2] = regs->a2;
3262 env->aregs[3] = regs->a3;
3263 env->aregs[4] = regs->a4;
3264 env->aregs[5] = regs->a5;
3265 env->aregs[6] = regs->a6;
3266 env->aregs[7] = regs->usp;
3268 ts->sim_syscalls = 1;
3270 #elif defined(TARGET_MICROBLAZE)
3272 env->regs[0] = regs->r0;
3273 env->regs[1] = regs->r1;
3274 env->regs[2] = regs->r2;
3275 env->regs[3] = regs->r3;
3276 env->regs[4] = regs->r4;
3277 env->regs[5] = regs->r5;
3278 env->regs[6] = regs->r6;
3279 env->regs[7] = regs->r7;
3280 env->regs[8] = regs->r8;
3281 env->regs[9] = regs->r9;
3282 env->regs[10] = regs->r10;
3283 env->regs[11] = regs->r11;
3284 env->regs[12] = regs->r12;
3285 env->regs[13] = regs->r13;
3286 env->regs[14] = regs->r14;
3287 env->regs[15] = regs->r15;
3288 env->regs[16] = regs->r16;
3289 env->regs[17] = regs->r17;
3290 env->regs[18] = regs->r18;
3291 env->regs[19] = regs->r19;
3292 env->regs[20] = regs->r20;
3293 env->regs[21] = regs->r21;
3294 env->regs[22] = regs->r22;
3295 env->regs[23] = regs->r23;
3296 env->regs[24] = regs->r24;
3297 env->regs[25] = regs->r25;
3298 env->regs[26] = regs->r26;
3299 env->regs[27] = regs->r27;
3300 env->regs[28] = regs->r28;
3301 env->regs[29] = regs->r29;
3302 env->regs[30] = regs->r30;
3303 env->regs[31] = regs->r31;
3304 env->sregs[SR_PC] = regs->pc;
3306 #elif defined(TARGET_MIPS)
3310 for(i = 0; i < 32; i++) {
3311 env->active_tc.gpr[i] = regs->regs[i];
3313 env->active_tc.PC = regs->cp0_epc & ~(target_ulong)1;
3314 if (regs->cp0_epc & 1) {
3315 env->hflags |= MIPS_HFLAG_M16;
3318 #elif defined(TARGET_SH4)
3322 for(i = 0; i < 16; i++) {
3323 env->gregs[i] = regs->regs[i];
3327 #elif defined(TARGET_ALPHA)
3331 for(i = 0; i < 28; i++) {
3332 env->ir[i] = ((abi_ulong *)regs)[i];
3334 env->ir[IR_SP] = regs->usp;
3337 #elif defined(TARGET_CRIS)
3339 env->regs[0] = regs->r0;
3340 env->regs[1] = regs->r1;
3341 env->regs[2] = regs->r2;
3342 env->regs[3] = regs->r3;
3343 env->regs[4] = regs->r4;
3344 env->regs[5] = regs->r5;
3345 env->regs[6] = regs->r6;
3346 env->regs[7] = regs->r7;
3347 env->regs[8] = regs->r8;
3348 env->regs[9] = regs->r9;
3349 env->regs[10] = regs->r10;
3350 env->regs[11] = regs->r11;
3351 env->regs[12] = regs->r12;
3352 env->regs[13] = regs->r13;
3353 env->regs[14] = info->start_stack;
3354 env->regs[15] = regs->acr;
3355 env->pc = regs->erp;
3358 #error unsupported target CPU
3361 #if defined(TARGET_ARM) || defined(TARGET_M68K)
3362 ts->stack_base = info->start_stack;
3363 ts->heap_base = info->brk;
3364 /* This will be filled in on the first SYS_HEAPINFO call. */
3369 gdbserver_start (gdbstub_port);
3370 gdb_handlesig(env, 0);