#include <unistd.h>
#include <sys/mman.h>
#include <sys/syscall.h>
+#include <sys/resource.h>
#include "qemu.h"
#include "qemu-common.h"
#include "cache-utils.h"
-/* For tb_lock */
-#include "exec-all.h"
-
-
+#include "cpu.h"
+#include "tcg.h"
+#include "qemu-timer.h"
#include "envlist.h"
#define DEBUG_LOGFILE "/tmp/qemu.log"
char *exec_path;
int singlestep;
-#if defined(CONFIG_USE_GUEST_BASE)
unsigned long mmap_min_addr;
+#if defined(CONFIG_USE_GUEST_BASE)
unsigned long guest_base;
int have_guest_base;
+unsigned long reserved_va;
#endif
-static const char *interp_prefix = CONFIG_QEMU_PREFIX;
+static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX;
const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
/* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
we allocate a bigger stack. Need a better solution, for example
by remapping the process stack directly at the right place */
-unsigned long x86_stack_size = 512 * 1024;
+unsigned long guest_stack_size = 8 * 1024 * 1024UL;
void gemu_log(const char *fmt, ...)
{
/* Make sure everything is in a consistent state for calling fork(). */
void fork_start(void)
{
- mmap_fork_start();
pthread_mutex_lock(&tb_lock);
pthread_mutex_lock(&exclusive_lock);
+ mmap_fork_start();
}
void fork_end(int child)
{
+ mmap_fork_end(child);
if (child) {
/* Child processes created by fork() only have a single thread.
Discard information about the parent threads. */
pthread_mutex_unlock(&exclusive_lock);
pthread_mutex_unlock(&tb_lock);
}
- mmap_fork_end(child);
}
/* Wait for pending exclusive operations to complete. The exclusive lock
env->regs[R_EDX],
env->regs[R_ESI],
env->regs[R_EDI],
- env->regs[R_EBP]);
+ env->regs[R_EBP],
+ 0, 0);
break;
#ifndef TARGET_ABI32
case EXCP_SYSCALL:
- /* linux syscall from syscall intruction */
+ /* linux syscall from syscall instruction */
env->regs[R_EAX] = do_syscall(env,
env->regs[R_EAX],
env->regs[R_EDI],
env->regs[R_EDX],
env->regs[10],
env->regs[8],
- env->regs[9]);
+ env->regs[9],
+ 0, 0);
env->eip = env->exception_next_eip;
break;
#endif
#ifdef TARGET_ARM
-static void arm_cache_flush(abi_ulong start, abi_ulong last)
-{
- abi_ulong addr, last1;
-
- if (last < start)
- return;
- addr = start;
- for(;;) {
- last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
- if (last1 > last)
- last1 = last;
- tb_invalidate_page_range(addr, last1 + 1);
- if (last1 == last)
- break;
- addr = last1 + 1;
- }
-}
-
/* Handle a jump to the kernel code page. */
static int
do_kernel_trap(CPUARMState *env)
return 0;
}
+static int do_strex(CPUARMState *env)
+{
+ uint32_t val;
+ int size;
+ int rc = 1;
+ int segv = 0;
+ uint32_t addr;
+ start_exclusive();
+ addr = env->exclusive_addr;
+ if (addr != env->exclusive_test) {
+ goto fail;
+ }
+ size = env->exclusive_info & 0xf;
+ switch (size) {
+ case 0:
+ segv = get_user_u8(val, addr);
+ break;
+ case 1:
+ segv = get_user_u16(val, addr);
+ break;
+ case 2:
+ case 3:
+ segv = get_user_u32(val, addr);
+ break;
+ default:
+ abort();
+ }
+ if (segv) {
+ env->cp15.c6_data = addr;
+ goto done;
+ }
+ if (val != env->exclusive_val) {
+ goto fail;
+ }
+ if (size == 3) {
+ segv = get_user_u32(val, addr + 4);
+ if (segv) {
+ env->cp15.c6_data = addr + 4;
+ goto done;
+ }
+ if (val != env->exclusive_high) {
+ goto fail;
+ }
+ }
+ val = env->regs[(env->exclusive_info >> 8) & 0xf];
+ switch (size) {
+ case 0:
+ segv = put_user_u8(val, addr);
+ break;
+ case 1:
+ segv = put_user_u16(val, addr);
+ break;
+ case 2:
+ case 3:
+ segv = put_user_u32(val, addr);
+ break;
+ }
+ if (segv) {
+ env->cp15.c6_data = addr;
+ goto done;
+ }
+ if (size == 3) {
+ val = env->regs[(env->exclusive_info >> 12) & 0xf];
+ segv = put_user_u32(val, addr + 4);
+ if (segv) {
+ env->cp15.c6_data = addr + 4;
+ goto done;
+ }
+ }
+ rc = 0;
+fail:
+ env->regs[15] += 4;
+ env->regs[(env->exclusive_info >> 4) & 0xf] = rc;
+done:
+ end_exclusive();
+ return segv;
+}
+
void cpu_loop(CPUARMState *env)
{
int trapnr;
}
if (n == ARM_NR_cacheflush) {
- arm_cache_flush(env->regs[0], env->regs[1]);
+ /* nop */
} else if (n == ARM_NR_semihosting
|| n == ARM_NR_thumb_semihosting) {
env->regs[0] = do_arm_semihosting (env);
if ( n > ARM_NR_BASE) {
switch (n) {
case ARM_NR_cacheflush:
- arm_cache_flush(env->regs[0], env->regs[1]);
+ /* nop */
break;
case ARM_NR_set_tls:
cpu_set_tls(env, env->regs[0]);
env->regs[2],
env->regs[3],
env->regs[4],
- env->regs[5]);
+ env->regs[5],
+ 0, 0);
}
} else {
goto error;
if (do_kernel_trap(env))
goto error;
break;
+ case EXCP_STREX:
+ if (do_strex(env)) {
+ addr = env->cp15.c6_data;
+ goto do_segv;
+ }
+ break;
default:
error:
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
#endif
+#ifdef TARGET_UNICORE32
+
+void cpu_loop(CPUState *env)
+{
+ int trapnr;
+ unsigned int n, insn;
+ target_siginfo_t info;
+
+ for (;;) {
+ cpu_exec_start(env);
+ trapnr = uc32_cpu_exec(env);
+ cpu_exec_end(env);
+ switch (trapnr) {
+ case UC32_EXCP_PRIV:
+ {
+ /* system call */
+ get_user_u32(insn, env->regs[31] - 4);
+ n = insn & 0xffffff;
+
+ if (n >= UC32_SYSCALL_BASE) {
+ /* linux syscall */
+ n -= UC32_SYSCALL_BASE;
+ if (n == UC32_SYSCALL_NR_set_tls) {
+ cpu_set_tls(env, env->regs[0]);
+ env->regs[0] = 0;
+ } else {
+ env->regs[0] = do_syscall(env,
+ n,
+ env->regs[0],
+ env->regs[1],
+ env->regs[2],
+ env->regs[3],
+ env->regs[4],
+ env->regs[5],
+ 0, 0);
+ }
+ } else {
+ goto error;
+ }
+ }
+ break;
+ case UC32_EXCP_TRAP:
+ info.si_signo = SIGSEGV;
+ info.si_errno = 0;
+ /* XXX: check env->error_code */
+ info.si_code = TARGET_SEGV_MAPERR;
+ info._sifields._sigfault._addr = env->cp0.c4_faultaddr;
+ queue_signal(env, info.si_signo, &info);
+ break;
+ case EXCP_INTERRUPT:
+ /* just indicate that signals should be handled asap */
+ break;
+ case EXCP_DEBUG:
+ {
+ int sig;
+
+ sig = gdb_handlesig(env, TARGET_SIGTRAP);
+ if (sig) {
+ info.si_signo = sig;
+ info.si_errno = 0;
+ info.si_code = TARGET_TRAP_BRKPT;
+ queue_signal(env, info.si_signo, &info);
+ }
+ }
+ break;
+ default:
+ goto error;
+ }
+ process_pending_signals(env);
+ }
+
+error:
+ fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr);
+ cpu_dump_state(env, stderr, fprintf, 0);
+ abort();
+}
+#endif
+
#ifdef TARGET_SPARC
#define SPARC64_STACK_BIAS 2047
void cpu_loop (CPUSPARCState *env)
{
- int trapnr, ret;
+ int trapnr;
+ abi_long ret;
target_siginfo_t info;
while (1) {
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)) {
+ env->regwptr[4], env->regwptr[5],
+ 0, 0);
+ if ((abi_ulong)ret >= (abi_ulong)(-515)) {
#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
env->xcc |= PSR_CARRY;
#else
return 0;
}
-uint32_t cpu_ppc_load_tbl (CPUState *env)
+uint64_t cpu_ppc_load_tbl (CPUState *env)
{
- return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
+ return cpu_ppc_get_tb(env);
}
uint32_t cpu_ppc_load_tbu (CPUState *env)
return cpu_ppc_get_tb(env) >> 32;
}
-uint32_t cpu_ppc_load_atbl (CPUState *env)
+uint64_t cpu_ppc_load_atbl (CPUState *env)
{
- return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
+ return cpu_ppc_get_tb(env);
}
uint32_t cpu_ppc_load_atbu (CPUState *env)
}
/* XXX: to be fixed */
-int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
+int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp)
{
return -1;
}
-int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
+int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val)
{
return -1;
}
env->crf[0] &= ~0x1;
ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
env->gpr[5], env->gpr[6], env->gpr[7],
- env->gpr[8]);
+ env->gpr[8], 0, 0);
if (ret == (uint32_t)(-TARGET_QEMU_ESIGRETURN)) {
/* Returning from a successful sigreturn syscall.
Avoid corrupting register state. */
MIPS_SYS(sys_getcwd , 2)
MIPS_SYS(sys_capget , 2)
MIPS_SYS(sys_capset , 2) /* 4205 */
- MIPS_SYS(sys_sigaltstack , 0)
+ MIPS_SYS(sys_sigaltstack , 2)
MIPS_SYS(sys_sendfile , 4)
MIPS_SYS(sys_ni_syscall , 0)
MIPS_SYS(sys_ni_syscall , 0)
MIPS_SYS(sys_epoll_pwait, 6)
MIPS_SYS(sys_ioprio_set, 3)
MIPS_SYS(sys_ioprio_get, 2)
+ MIPS_SYS(sys_utimensat, 4)
+ MIPS_SYS(sys_signalfd, 3)
+ MIPS_SYS(sys_ni_syscall, 0) /* was timerfd */
+ MIPS_SYS(sys_eventfd, 1)
+ MIPS_SYS(sys_fallocate, 6) /* 4320 */
+ MIPS_SYS(sys_timerfd_create, 2)
+ MIPS_SYS(sys_timerfd_gettime, 2)
+ MIPS_SYS(sys_timerfd_settime, 4)
+ MIPS_SYS(sys_signalfd4, 4)
+ MIPS_SYS(sys_eventfd2, 2) /* 4325 */
+ MIPS_SYS(sys_epoll_create1, 1)
+ MIPS_SYS(sys_dup3, 3)
+ MIPS_SYS(sys_pipe2, 2)
+ MIPS_SYS(sys_inotify_init1, 1)
+ MIPS_SYS(sys_preadv, 6) /* 4330 */
+ MIPS_SYS(sys_pwritev, 6)
+ MIPS_SYS(sys_rt_tgsigqueueinfo, 4)
+ MIPS_SYS(sys_perf_event_open, 5)
+ MIPS_SYS(sys_accept4, 4)
+ MIPS_SYS(sys_recvmmsg, 5) /* 4335 */
+ MIPS_SYS(sys_fanotify_init, 2)
+ MIPS_SYS(sys_fanotify_mark, 6)
+ MIPS_SYS(sys_prlimit64, 4)
+ MIPS_SYS(sys_name_to_handle_at, 5)
+ MIPS_SYS(sys_open_by_handle_at, 3) /* 4340 */
+ MIPS_SYS(sys_clock_adjtime, 2)
+ MIPS_SYS(sys_syncfs, 1)
};
#undef MIPS_SYS
int reg;
int d;
- addr = env->CP0_LLAddr;
+ addr = env->lladdr;
page_addr = addr & TARGET_PAGE_MASK;
start_exclusive();
mmap_lock();
}
}
}
- env->CP0_LLAddr = -1;
+ env->lladdr = -1;
if (!segv) {
env->active_tc.PC += 4;
}
syscall_num = env->active_tc.gpr[2] - 4000;
env->active_tc.PC += 4;
if (syscall_num >= sizeof(mips_syscall_args)) {
- ret = -ENOSYS;
+ ret = -TARGET_ENOSYS;
} else {
int nb_args;
abi_ulong sp_reg;
env->active_tc.gpr[5],
env->active_tc.gpr[6],
env->active_tc.gpr[7],
- arg5, arg6/*, arg7, arg8*/);
+ arg5, arg6, arg7, arg8);
}
if (ret == -TARGET_QEMU_ESIGRETURN) {
/* Returning from a successful sigreturn syscall.
break;
case EXCP_TLBL:
case EXCP_TLBS:
+ case EXCP_AdEL:
+ case EXCP_AdES:
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
/* XXX: check env->error_code */
env->gregs[6],
env->gregs[7],
env->gregs[0],
- env->gregs[1]);
+ env->gregs[1],
+ 0, 0);
env->gregs[0] = ret;
break;
case EXCP_INTERRUPT:
env->regs[12],
env->regs[13],
env->pregs[7],
- env->pregs[11]);
+ env->pregs[11],
+ 0, 0);
env->regs[10] = ret;
break;
case EXCP_DEBUG:
env->regs[7],
env->regs[8],
env->regs[9],
- env->regs[10]);
+ env->regs[10],
+ 0, 0);
env->regs[3] = ret;
env->sregs[SR_PC] = env->regs[14];
break;
+ case EXCP_HW_EXCP:
+ env->regs[17] = env->sregs[SR_PC] + 4;
+ if (env->iflags & D_FLAG) {
+ env->sregs[SR_ESR] |= 1 << 12;
+ env->sregs[SR_PC] -= 4;
+ /* FIXME: if branch was immed, replay the imm aswell. */
+ }
+
+ env->iflags &= ~(IMM_FLAG | D_FLAG);
+
+ switch (env->sregs[SR_ESR] & 31) {
+ case ESR_EC_FPU:
+ info.si_signo = SIGFPE;
+ info.si_errno = 0;
+ if (env->sregs[SR_FSR] & FSR_IO) {
+ info.si_code = TARGET_FPE_FLTINV;
+ }
+ if (env->sregs[SR_FSR] & FSR_DZ) {
+ info.si_code = TARGET_FPE_FLTDIV;
+ }
+ info._sifields._sigfault._addr = 0;
+ queue_signal(env, info.si_signo, &info);
+ break;
+ default:
+ printf ("Unhandled hw-exception: 0x%x\n",
+ env->sregs[SR_ESR] & ESR_EC_MASK);
+ cpu_dump_state(env, stderr, fprintf, 0);
+ exit (1);
+ break;
+ }
+ break;
case EXCP_DEBUG:
{
int sig;
env->dregs[3],
env->dregs[4],
env->dregs[5],
- env->aregs[0]);
+ env->aregs[0],
+ 0, 0);
}
break;
case EXCP_INTERRUPT:
#endif /* TARGET_M68K */
#ifdef TARGET_ALPHA
+static void do_store_exclusive(CPUAlphaState *env, int reg, int quad)
+{
+ target_ulong addr, val, tmp;
+ target_siginfo_t info;
+ int ret = 0;
+
+ addr = env->lock_addr;
+ tmp = env->lock_st_addr;
+ env->lock_addr = -1;
+ env->lock_st_addr = 0;
+
+ start_exclusive();
+ mmap_lock();
+
+ if (addr == tmp) {
+ if (quad ? get_user_s64(val, addr) : get_user_s32(val, addr)) {
+ goto do_sigsegv;
+ }
+
+ if (val == env->lock_value) {
+ tmp = env->ir[reg];
+ if (quad ? put_user_u64(tmp, addr) : put_user_u32(tmp, addr)) {
+ goto do_sigsegv;
+ }
+ ret = 1;
+ }
+ }
+ env->ir[reg] = ret;
+ env->pc += 4;
+
+ mmap_unlock();
+ end_exclusive();
+ return;
+
+ do_sigsegv:
+ mmap_unlock();
+ end_exclusive();
+
+ info.si_signo = TARGET_SIGSEGV;
+ info.si_errno = 0;
+ info.si_code = TARGET_SEGV_MAPERR;
+ info._sifields._sigfault._addr = addr;
+ queue_signal(env, TARGET_SIGSEGV, &info);
+}
+
void cpu_loop (CPUState *env)
{
int trapnr;
target_siginfo_t info;
+ abi_long sysret;
while (1) {
trapnr = cpu_alpha_exec (env);
+ /* All of the traps imply a transition through PALcode, which
+ implies an REI instruction has been executed. Which means
+ that the intr_flag should be cleared. */
+ env->intr_flag = 0;
+
switch (trapnr) {
case EXCP_RESET:
fprintf(stderr, "Reset requested. Exit\n");
fprintf(stderr, "Machine check exception. Exit\n");
exit(1);
break;
- case EXCP_ARITH:
- fprintf(stderr, "Arithmetic trap.\n");
- exit(1);
- break;
- case EXCP_HW_INTERRUPT:
+ case EXCP_SMP_INTERRUPT:
+ case EXCP_CLK_INTERRUPT:
+ case EXCP_DEV_INTERRUPT:
fprintf(stderr, "External interrupt. Exit\n");
exit(1);
break;
- case EXCP_DFAULT:
- fprintf(stderr, "MMU data fault\n");
- exit(1);
- break;
- case EXCP_DTB_MISS_PAL:
- fprintf(stderr, "MMU data TLB miss in PALcode\n");
- exit(1);
- break;
- case EXCP_ITB_MISS:
- fprintf(stderr, "MMU instruction TLB miss\n");
- exit(1);
- break;
- case EXCP_ITB_ACV:
- fprintf(stderr, "MMU instruction access violation\n");
- exit(1);
- break;
- case EXCP_DTB_MISS_NATIVE:
- fprintf(stderr, "MMU data TLB miss\n");
- exit(1);
+ case EXCP_MMFAULT:
+ env->lock_addr = -1;
+ info.si_signo = TARGET_SIGSEGV;
+ info.si_errno = 0;
+ info.si_code = (page_get_flags(env->trap_arg0) & PAGE_VALID
+ ? TARGET_SEGV_ACCERR : TARGET_SEGV_MAPERR);
+ info._sifields._sigfault._addr = env->trap_arg0;
+ queue_signal(env, info.si_signo, &info);
break;
case EXCP_UNALIGN:
- fprintf(stderr, "Unaligned access\n");
- exit(1);
+ env->lock_addr = -1;
+ info.si_signo = TARGET_SIGBUS;
+ info.si_errno = 0;
+ info.si_code = TARGET_BUS_ADRALN;
+ info._sifields._sigfault._addr = env->trap_arg0;
+ queue_signal(env, info.si_signo, &info);
break;
case EXCP_OPCDEC:
- fprintf(stderr, "Invalid instruction\n");
- exit(1);
+ do_sigill:
+ env->lock_addr = -1;
+ info.si_signo = TARGET_SIGILL;
+ info.si_errno = 0;
+ info.si_code = TARGET_ILL_ILLOPC;
+ info._sifields._sigfault._addr = env->pc;
+ queue_signal(env, info.si_signo, &info);
+ break;
+ case EXCP_ARITH:
+ env->lock_addr = -1;
+ info.si_signo = TARGET_SIGFPE;
+ info.si_errno = 0;
+ info.si_code = TARGET_FPE_FLTINV;
+ info._sifields._sigfault._addr = env->pc;
+ queue_signal(env, info.si_signo, &info);
break;
case EXCP_FEN:
- fprintf(stderr, "Floating-point not allowed\n");
- exit(1);
+ /* No-op. Linux simply re-enables the FPU. */
+ break;
+ case EXCP_CALL_PAL:
+ env->lock_addr = -1;
+ switch (env->error_code) {
+ case 0x80:
+ /* BPT */
+ info.si_signo = TARGET_SIGTRAP;
+ info.si_errno = 0;
+ info.si_code = TARGET_TRAP_BRKPT;
+ info._sifields._sigfault._addr = env->pc;
+ queue_signal(env, info.si_signo, &info);
+ break;
+ case 0x81:
+ /* BUGCHK */
+ info.si_signo = TARGET_SIGTRAP;
+ info.si_errno = 0;
+ info.si_code = 0;
+ info._sifields._sigfault._addr = env->pc;
+ queue_signal(env, info.si_signo, &info);
+ break;
+ case 0x83:
+ /* CALLSYS */
+ trapnr = env->ir[IR_V0];
+ sysret = do_syscall(env, trapnr,
+ env->ir[IR_A0], env->ir[IR_A1],
+ env->ir[IR_A2], env->ir[IR_A3],
+ env->ir[IR_A4], env->ir[IR_A5],
+ 0, 0);
+ if (trapnr == TARGET_NR_sigreturn
+ || trapnr == TARGET_NR_rt_sigreturn) {
+ break;
+ }
+ /* Syscall writes 0 to V0 to bypass error check, similar
+ to how this is handled internal to Linux kernel. */
+ if (env->ir[IR_V0] == 0) {
+ env->ir[IR_V0] = sysret;
+ } else {
+ env->ir[IR_V0] = (sysret < 0 ? -sysret : sysret);
+ env->ir[IR_A3] = (sysret < 0);
+ }
+ break;
+ case 0x86:
+ /* IMB */
+ /* ??? We can probably elide the code using page_unprotect
+ that is checking for self-modifying code. Instead we
+ could simply call tb_flush here. Until we work out the
+ changes required to turn off the extra write protection,
+ this can be a no-op. */
+ break;
+ case 0x9E:
+ /* RDUNIQUE */
+ /* Handled in the translator for usermode. */
+ abort();
+ case 0x9F:
+ /* WRUNIQUE */
+ /* Handled in the translator for usermode. */
+ abort();
+ case 0xAA:
+ /* GENTRAP */
+ info.si_signo = TARGET_SIGFPE;
+ switch (env->ir[IR_A0]) {
+ case TARGET_GEN_INTOVF:
+ info.si_code = TARGET_FPE_INTOVF;
+ break;
+ case TARGET_GEN_INTDIV:
+ info.si_code = TARGET_FPE_INTDIV;
+ break;
+ case TARGET_GEN_FLTOVF:
+ info.si_code = TARGET_FPE_FLTOVF;
+ break;
+ case TARGET_GEN_FLTUND:
+ info.si_code = TARGET_FPE_FLTUND;
+ break;
+ case TARGET_GEN_FLTINV:
+ info.si_code = TARGET_FPE_FLTINV;
+ break;
+ case TARGET_GEN_FLTINE:
+ info.si_code = TARGET_FPE_FLTRES;
+ break;
+ case TARGET_GEN_ROPRAND:
+ info.si_code = 0;
+ break;
+ default:
+ info.si_signo = TARGET_SIGTRAP;
+ info.si_code = 0;
+ break;
+ }
+ info.si_errno = 0;
+ info._sifields._sigfault._addr = env->pc;
+ queue_signal(env, info.si_signo, &info);
+ break;
+ default:
+ goto do_sigill;
+ }
break;
- case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1):
- call_pal(env, (trapnr >> 6) | 0x80);
+ case EXCP_DEBUG:
+ info.si_signo = gdb_handlesig (env, TARGET_SIGTRAP);
+ if (info.si_signo) {
+ env->lock_addr = -1;
+ info.si_errno = 0;
+ info.si_code = TARGET_TRAP_BRKPT;
+ queue_signal(env, info.si_signo, &info);
+ }
break;
- case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1):
- fprintf(stderr, "Privileged call to PALcode\n");
- exit(1);
+ case EXCP_STL_C:
+ case EXCP_STQ_C:
+ do_store_exclusive(env, env->error_code, trapnr - EXCP_STL_C);
+ break;
+ default:
+ printf ("Unhandled trap: 0x%x\n", trapnr);
+ cpu_dump_state(env, stderr, fprintf, 0);
+ exit (1);
+ }
+ process_pending_signals (env);
+ }
+}
+#endif /* TARGET_ALPHA */
+
+#ifdef TARGET_S390X
+void cpu_loop(CPUS390XState *env)
+{
+ int trapnr;
+ target_siginfo_t info;
+
+ while (1) {
+ trapnr = cpu_s390x_exec (env);
+
+ switch (trapnr) {
+ case EXCP_INTERRUPT:
+ /* just indicate that signals should be handled asap */
break;
case EXCP_DEBUG:
{
int sig;
sig = gdb_handlesig (env, TARGET_SIGTRAP);
- if (sig)
- {
+ if (sig) {
info.si_signo = sig;
info.si_errno = 0;
info.si_code = TARGET_TRAP_BRKPT;
queue_signal(env, info.si_signo, &info);
- }
+ }
+ }
+ break;
+ case EXCP_SVC:
+ {
+ int n = env->int_svc_code;
+ if (!n) {
+ /* syscalls > 255 */
+ n = env->regs[1];
+ }
+ env->psw.addr += env->int_svc_ilc;
+ env->regs[2] = do_syscall(env, n,
+ env->regs[2],
+ env->regs[3],
+ env->regs[4],
+ env->regs[5],
+ env->regs[6],
+ env->regs[7],
+ 0, 0);
+ }
+ break;
+ case EXCP_ADDR:
+ {
+ info.si_signo = SIGSEGV;
+ info.si_errno = 0;
+ /* XXX: check env->error_code */
+ info.si_code = TARGET_SEGV_MAPERR;
+ info._sifields._sigfault._addr = env->__excp_addr;
+ queue_signal(env, info.si_signo, &info);
+ }
+ break;
+ case EXCP_SPEC:
+ {
+ fprintf(stderr,"specification exception insn 0x%08x%04x\n", ldl(env->psw.addr), lduw(env->psw.addr + 4));
+ info.si_signo = SIGILL;
+ info.si_errno = 0;
+ info.si_code = TARGET_ILL_ILLOPC;
+ info._sifields._sigfault._addr = env->__excp_addr;
+ queue_signal(env, info.si_signo, &info);
}
break;
default:
process_pending_signals (env);
}
}
-#endif /* TARGET_ALPHA */
+
+#endif /* TARGET_S390X */
+
+static void version(void)
+{
+ printf("qemu-" TARGET_ARCH " version " QEMU_VERSION QEMU_PKGVERSION
+ ", Copyright (c) 2003-2008 Fabrice Bellard\n");
+}
static void usage(void)
{
- printf("qemu-" TARGET_ARCH " version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
- "usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n"
+ version();
+ printf("usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n"
"Linux CPU emulator (compiled for %s emulation)\n"
"\n"
"Standard options:\n"
"-h print this help\n"
+ "-version display version information and exit\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"
"-0 argv0 forces target process argv[0] to be argv0\n"
#if defined(CONFIG_USE_GUEST_BASE)
"-B address set guest_base address to address\n"
+ "-R size reserve size bytes for guest virtual address space\n"
#endif
"\n"
"Debug options:\n"
,
TARGET_ARCH,
interp_prefix,
- x86_stack_size,
+ guest_stack_size,
DEBUG_LOGFILE);
exit(1);
}
{
const char *filename;
const char *cpu_model;
+ const char *log_file = DEBUG_LOGFILE;
+ const char *log_mask = NULL;
struct target_pt_regs regs1, *regs = ®s1;
struct image_info info1, *info = &info1;
struct linux_binprm bprm;
- TaskState ts1, *ts = &ts1;
+ TaskState *ts;
CPUState *env;
int optind;
const char *r;
qemu_cache_utils_init(envp);
- /* init debug */
- cpu_set_log_filename(DEBUG_LOGFILE);
-
if ((envlist = envlist_create()) == NULL) {
(void) fprintf(stderr, "Unable to allocate envlist\n");
exit(1);
(void) envlist_setenv(envlist, *wrk);
}
+ /* Read the stack limit from the kernel. If it's "unlimited",
+ then we can do little else besides use the default. */
+ {
+ struct rlimit lim;
+ if (getrlimit(RLIMIT_STACK, &lim) == 0
+ && lim.rlim_cur != RLIM_INFINITY
+ && lim.rlim_cur == (target_long)lim.rlim_cur) {
+ guest_stack_size = lim.rlim_cur;
+ }
+ }
+
cpu_model = NULL;
+#if defined(cpudef_setup)
+ cpudef_setup(); /* parse cpu definitions in target config file (TBD) */
+#endif
+
optind = 1;
for(;;) {
if (optind >= argc)
if (!strcmp(r, "-")) {
break;
} else if (!strcmp(r, "d")) {
- int mask;
- const CPULogItem *item;
-
- if (optind >= argc)
+ if (optind >= argc) {
break;
-
- r = argv[optind++];
- mask = cpu_str_to_log_mask(r);
- if (!mask) {
- printf("Log items (comma separated):\n");
- for(item = cpu_log_items; item->mask != 0; item++) {
- printf("%-10s %s\n", item->name, item->help);
- }
- exit(1);
}
- cpu_set_log(mask);
+ log_mask = argv[optind++];
+ } else if (!strcmp(r, "D")) {
+ if (optind >= argc) {
+ break;
+ }
+ log_file = argv[optind++];
} else if (!strcmp(r, "E")) {
r = argv[optind++];
if (envlist_setenv(envlist, r) != 0)
usage();
+ } else if (!strcmp(r, "ignore-environment")) {
+ envlist_free(envlist);
+ if ((envlist = envlist_create()) == NULL) {
+ (void) fprintf(stderr, "Unable to allocate envlist\n");
+ exit(1);
+ }
} else if (!strcmp(r, "U")) {
r = argv[optind++];
if (envlist_unsetenv(envlist, r) != 0)
if (optind >= argc)
break;
r = argv[optind++];
- x86_stack_size = strtol(r, (char **)&r, 0);
- if (x86_stack_size <= 0)
+ guest_stack_size = strtoul(r, (char **)&r, 0);
+ if (guest_stack_size == 0)
usage();
if (*r == 'M')
- x86_stack_size *= 1024 * 1024;
+ guest_stack_size *= 1024 * 1024;
else if (*r == 'k' || *r == 'K')
- x86_stack_size *= 1024;
+ guest_stack_size *= 1024;
} else if (!strcmp(r, "L")) {
interp_prefix = argv[optind++];
} else if (!strcmp(r, "p")) {
cpu_model = argv[optind++];
if (cpu_model == NULL || strcmp(cpu_model, "?") == 0) {
/* XXX: implement xxx_cpu_list for targets that still miss it */
-#if defined(cpu_list)
- cpu_list(stdout, &fprintf);
+#if defined(cpu_list_id)
+ cpu_list_id(stdout, &fprintf, "");
+#elif defined(cpu_list)
+ cpu_list(stdout, &fprintf); /* deprecated */
#endif
exit(1);
}
} else if (!strcmp(r, "B")) {
guest_base = strtol(argv[optind++], NULL, 0);
have_guest_base = 1;
+ } else if (!strcmp(r, "R")) {
+ char *p;
+ int shift = 0;
+ reserved_va = strtoul(argv[optind++], &p, 0);
+ switch (*p) {
+ case 'k':
+ case 'K':
+ shift = 10;
+ break;
+ case 'M':
+ shift = 20;
+ break;
+ case 'G':
+ shift = 30;
+ break;
+ }
+ if (shift) {
+ unsigned long unshifted = reserved_va;
+ p++;
+ reserved_va <<= shift;
+ if (((reserved_va >> shift) != unshifted)
+#if HOST_LONG_BITS > TARGET_VIRT_ADDR_SPACE_BITS
+ || (reserved_va > (1ul << TARGET_VIRT_ADDR_SPACE_BITS))
+#endif
+ ) {
+ fprintf(stderr, "Reserved virtual address too big\n");
+ exit(1);
+ }
+ }
+ if (*p) {
+ fprintf(stderr, "Unrecognised -R size suffix '%s'\n", p);
+ exit(1);
+ }
#endif
} else if (!strcmp(r, "drop-ld-preload")) {
(void) envlist_unsetenv(envlist, "LD_PRELOAD");
singlestep = 1;
} else if (!strcmp(r, "strace")) {
do_strace = 1;
- } else
- {
+ } else if (!strcmp(r, "version")) {
+ version();
+ exit(0);
+ } else {
usage();
}
}
filename = argv[optind];
exec_path = argv[optind];
+ /* init debug */
+ cpu_set_log_filename(log_file);
+ if (log_mask) {
+ int mask;
+ const CPULogItem *item;
+
+ mask = cpu_str_to_log_mask(log_mask);
+ if (!mask) {
+ printf("Log items (comma separated):\n");
+ for (item = cpu_log_items; item->mask != 0; item++) {
+ printf("%-10s %s\n", item->name, item->help);
+ }
+ exit(1);
+ }
+ cpu_set_log(mask);
+ }
+
/* Zero out regs */
memset(regs, 0, sizeof(struct target_pt_regs));
#endif
#elif defined(TARGET_ARM)
cpu_model = "any";
+#elif defined(TARGET_UNICORE32)
+ cpu_model = "any";
#elif defined(TARGET_M68K)
cpu_model = "any";
#elif defined(TARGET_SPARC)
#endif
#elif defined(TARGET_PPC)
#ifdef TARGET_PPC64
- cpu_model = "970";
+ cpu_model = "970fx";
#else
cpu_model = "750";
#endif
*/
guest_base = HOST_PAGE_ALIGN(guest_base);
+ if (reserved_va) {
+ void *p;
+ int flags;
+
+ flags = MAP_ANONYMOUS | MAP_PRIVATE | MAP_NORESERVE;
+ if (have_guest_base) {
+ flags |= MAP_FIXED;
+ }
+ p = mmap((void *)guest_base, reserved_va, PROT_NONE, flags, -1, 0);
+ if (p == MAP_FAILED) {
+ fprintf(stderr, "Unable to reserve guest address space\n");
+ exit(1);
+ }
+ guest_base = (unsigned long)p;
+ /* Make sure the address is properly aligned. */
+ if (guest_base & ~qemu_host_page_mask) {
+ munmap(p, reserved_va);
+ p = mmap((void *)guest_base, reserved_va + qemu_host_page_size,
+ PROT_NONE, flags, -1, 0);
+ if (p == MAP_FAILED) {
+ fprintf(stderr, "Unable to reserve guest address space\n");
+ exit(1);
+ }
+ guest_base = HOST_PAGE_ALIGN((unsigned long)p);
+ }
+ qemu_log("Reserved 0x%lx bytes of guest address space\n", reserved_va);
+ }
+#endif /* CONFIG_USE_GUEST_BASE */
+
/*
* Read in mmap_min_addr kernel parameter. This value is used
* When loading the ELF image to determine whether guest_base
- * is needed.
- *
- * When user has explicitly set the quest base, we skip this
- * test.
+ * is needed. It is also used in mmap_find_vma.
*/
- if (!have_guest_base) {
+ {
FILE *fp;
if ((fp = fopen("/proc/sys/vm/mmap_min_addr", "r")) != NULL) {
fclose(fp);
}
}
-#endif /* CONFIG_USE_GUEST_BASE */
/*
* Prepare copy of argv vector for target.
}
target_argv[target_argc] = NULL;
- memset(ts, 0, sizeof(TaskState));
+ ts = qemu_mallocz (sizeof(TaskState));
init_task_state(ts);
/* build Task State */
ts->info = info;
syscall_init();
signal_init();
+#if defined(CONFIG_USE_GUEST_BASE)
+ /* Now that we've loaded the binary, GUEST_BASE is fixed. Delay
+ generating the prologue until now so that the prologue can take
+ the real value of GUEST_BASE into account. */
+ tcg_prologue_init(&tcg_ctx);
+#endif
+
#if defined(TARGET_I386)
cpu_x86_set_cpl(env, 3);
env->regs[i] = regs->uregs[i];
}
}
+#elif defined(TARGET_UNICORE32)
+ {
+ int i;
+ cpu_asr_write(env, regs->uregs[32], 0xffffffff);
+ for (i = 0; i < 32; i++) {
+ env->regs[i] = regs->uregs[i];
+ }
+ }
#elif defined(TARGET_SPARC)
{
int i;
for(i = 0; i < 32; i++) {
env->active_tc.gpr[i] = regs->regs[i];
}
- env->active_tc.PC = regs->cp0_epc;
+ env->active_tc.PC = regs->cp0_epc & ~(target_ulong)1;
+ if (regs->cp0_epc & 1) {
+ env->hflags |= MIPS_HFLAG_M16;
+ }
}
#elif defined(TARGET_SH4)
{
for(i = 0; i < 28; i++) {
env->ir[i] = ((abi_ulong *)regs)[i];
}
- env->ipr[IPR_USP] = regs->usp;
- env->ir[30] = regs->usp;
+ env->ir[IR_SP] = regs->usp;
env->pc = regs->pc;
- env->unique = regs->unique;
}
#elif defined(TARGET_CRIS)
{
env->regs[15] = regs->acr;
env->pc = regs->erp;
}
+#elif defined(TARGET_S390X)
+ {
+ int i;
+ for (i = 0; i < 16; i++) {
+ env->regs[i] = regs->gprs[i];
+ }
+ env->psw.mask = regs->psw.mask;
+ env->psw.addr = regs->psw.addr;
+ }
#else
#error unsupported target CPU
#endif
-#if defined(TARGET_ARM) || defined(TARGET_M68K)
+#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
ts->stack_base = info->start_stack;
ts->heap_base = info->brk;
/* This will be filled in on the first SYS_HEAPINFO call. */
projects / qemu.git / blobdiff