*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ * MA 02110-1301, USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <mach/mach_init.h>
#include <mach/vm_map.h>
+int singlestep;
+
const char *interp_prefix = "";
asm(".zerofill __STD_PROG_ZONE, __STD_PROG_ZONE, __std_prog_zone, 0x0dfff000");
return cpu_ppc_get_tb(env) >> 32;
}
-static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
+uint32_t cpu_ppc_load_atbl (CPUState *env)
{
- /* TO FIX */
+ return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
}
-void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
+uint32_t cpu_ppc_load_atbu (CPUState *env)
{
- cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
+ return cpu_ppc_get_tb(env) >> 32;
}
-void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
+uint32_t cpu_ppc601_load_rtcu (CPUState *env)
{
- cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
+ cpu_ppc_load_tbu(env);
}
-uint32_t cpu_ppc_load_decr (CPUState *env)
+uint32_t cpu_ppc601_load_rtcl (CPUState *env)
+{
+ return cpu_ppc_load_tbl(env) & 0x3FFFFF80;
+}
+
+/* XXX: to be fixed */
+int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp)
{
- /* TO FIX */
return -1;
}
-void cpu_ppc_store_decr (CPUState *env, uint32_t value)
+int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
{
- /* TO FIX */
+ return -1;
}
+#define EXCP_DUMP(env, fmt, ...) \
+do { \
+ fprintf(stderr, fmt , ## __VA_ARGS__); \
+ cpu_dump_state(env, stderr, fprintf, 0); \
+ qemu_log(fmt, ## __VA_ARGS__); \
+ log_cpu_state(env, 0); \
+} while (0)
+
void cpu_loop(CPUPPCState *env)
{
int trapnr;
for(;;) {
trapnr = cpu_ppc_exec(env);
- if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
- trapnr != EXCP_TRACE) {
- if (loglevel > 0) {
- cpu_dump_state(env, logfile, fprintf, 0);
- }
- }
switch(trapnr) {
- case EXCP_NONE:
+ case POWERPC_EXCP_NONE:
+ /* Just go on */
break;
- case EXCP_SYSCALL_USER:
- /* system call */
- if(((int)env->gpr[0]) <= SYS_MAXSYSCALL && ((int)env->gpr[0])>0)
- ret = do_unix_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[9], env->gpr[10]*/);
- else if(((int)env->gpr[0])<0)
- ret = do_mach_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[9], env->gpr[10]);
- else
- ret = do_thread_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[9], env->gpr[10]);
-
- /* Unix syscall error signaling */
- if(((int)env->gpr[0]) <= SYS_MAXSYSCALL && ((int)env->gpr[0])>0)
- {
- if( (int)ret < 0 )
- env->nip += 0;
- else
- env->nip += 4;
- }
-
- /* Return value */
- env->gpr[3] = ret;
+ case POWERPC_EXCP_CRITICAL: /* Critical input */
+ cpu_abort(env, "Critical interrupt while in user mode. "
+ "Aborting\n");
break;
- case EXCP_RESET:
- /* Should not happen ! */
- fprintf(stderr, "RESET asked... Stop emulation\n");
- if (loglevel)
- fprintf(logfile, "RESET asked... Stop emulation\n");
- abort();
- case EXCP_MACHINE_CHECK:
- fprintf(stderr, "Machine check exeption... Stop emulation\n");
- if (loglevel)
- fprintf(logfile, "RESET asked... Stop emulation\n");
- info.si_signo = SIGBUS;
- info.si_errno = 0;
- info.si_code = BUS_OBJERR;
- info.si_addr = (void*)(env->nip - 4);
- queue_signal(info.si_signo, &info);
- case EXCP_DSI:
+ case POWERPC_EXCP_MCHECK: /* Machine check exception */
+ cpu_abort(env, "Machine check exception while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_DSI: /* Data storage exception */
#ifndef DAR
/* To deal with multiple qemu header version as host for the darwin-user code */
# define DAR SPR_DAR
#endif
- fprintf(stderr, "Invalid data memory access: 0x%08x\n", env->spr[DAR]);
- if (loglevel) {
- fprintf(logfile, "Invalid data memory access: 0x%08x\n",
- env->spr[DAR]);
- }
+ EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n",
+ env->spr[SPR_DAR]);
/* Handle this via the gdb */
gdb_handlesig (env, SIGSEGV);
info.si_addr = (void*)env->nip;
queue_signal(info.si_signo, &info);
break;
- case EXCP_ISI:
- fprintf(stderr, "Invalid instruction fetch\n");
- if (loglevel)
- fprintf(logfile, "Invalid instruction fetch\n");
+ case POWERPC_EXCP_ISI: /* Instruction storage exception */
+ EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
+ env->spr[SPR_DAR]);
/* Handle this via the gdb */
gdb_handlesig (env, SIGSEGV);
info.si_addr = (void*)(env->nip - 4);
queue_signal(info.si_signo, &info);
break;
- case EXCP_EXTERNAL:
- /* Should not happen ! */
- fprintf(stderr, "External interruption... Stop emulation\n");
- if (loglevel)
- fprintf(logfile, "External interruption... Stop emulation\n");
- abort();
- case EXCP_ALIGN:
- fprintf(stderr, "Invalid unaligned memory access\n");
- if (loglevel)
- fprintf(logfile, "Invalid unaligned memory access\n");
- info.si_signo = SIGBUS;
+ case POWERPC_EXCP_EXTERNAL: /* External input */
+ cpu_abort(env, "External interrupt while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_ALIGN: /* Alignment exception */
+ EXCP_DUMP(env, "Unaligned memory access\n");
info.si_errno = 0;
info.si_code = BUS_ADRALN;
info.si_addr = (void*)(env->nip - 4);
queue_signal(info.si_signo, &info);
break;
- case EXCP_PROGRAM:
+ case POWERPC_EXCP_PROGRAM: /* Program exception */
+ /* XXX: check this */
switch (env->error_code & ~0xF) {
- case EXCP_FP:
- fprintf(stderr, "Program exception\n");
- if (loglevel)
- fprintf(logfile, "Program exception\n");
- /* Set FX */
- env->fpscr[7] |= 0x8;
- /* Finally, update FEX */
- if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
- ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
- env->fpscr[7] |= 0x4;
- info.si_signo = SIGFPE;
- info.si_errno = 0;
- switch (env->error_code & 0xF) {
- case EXCP_FP_OX:
- info.si_code = FPE_FLTOVF;
- break;
- case EXCP_FP_UX:
- info.si_code = FPE_FLTUND;
- break;
- case EXCP_FP_ZX:
- case EXCP_FP_VXZDZ:
- info.si_code = FPE_FLTDIV;
- break;
- case EXCP_FP_XX:
- info.si_code = FPE_FLTRES;
- break;
- case EXCP_FP_VXSOFT:
- info.si_code = FPE_FLTINV;
- break;
- case EXCP_FP_VXNAN:
- case EXCP_FP_VXISI:
- case EXCP_FP_VXIDI:
- case EXCP_FP_VXIMZ:
- case EXCP_FP_VXVC:
- case EXCP_FP_VXSQRT:
- case EXCP_FP_VXCVI:
- info.si_code = FPE_FLTSUB;
- break;
- default:
- fprintf(stderr, "Unknown floating point exception "
- "(%02x)\n", env->error_code);
- if (loglevel) {
- fprintf(logfile, "Unknown floating point exception "
- "(%02x)\n", env->error_code & 0xF);
- }
- }
- break;
- case EXCP_INVAL:
- fprintf(stderr, "Invalid instruction\n");
- if (loglevel)
- fprintf(logfile, "Invalid instruction\n");
- info.si_signo = SIGILL;
- info.si_errno = 0;
- switch (env->error_code & 0xF) {
- case EXCP_INVAL_INVAL:
- info.si_code = ILL_ILLOPC;
- break;
- case EXCP_INVAL_LSWX:
- info.si_code = ILL_ILLOPN;
- break;
- case EXCP_INVAL_SPR:
- info.si_code = ILL_PRVREG;
- break;
- case EXCP_INVAL_FP:
- info.si_code = ILL_COPROC;
- break;
- default:
- fprintf(stderr, "Unknown invalid operation (%02x)\n",
- env->error_code & 0xF);
- if (loglevel) {
- fprintf(logfile, "Unknown invalid operation (%02x)\n",
- env->error_code & 0xF);
- }
- info.si_code = ILL_ILLADR;
- break;
- }
- /* Handle this via the gdb */
- gdb_handlesig (env, SIGSEGV);
+ case POWERPC_EXCP_FP:
+ EXCP_DUMP(env, "Floating point program exception\n");
+ /* Set FX */
+ info.si_signo = SIGFPE;
+ info.si_errno = 0;
+ switch (env->error_code & 0xF) {
+ case POWERPC_EXCP_FP_OX:
+ info.si_code = FPE_FLTOVF;
+ break;
+ case POWERPC_EXCP_FP_UX:
+ info.si_code = FPE_FLTUND;
+ break;
+ case POWERPC_EXCP_FP_ZX:
+ case POWERPC_EXCP_FP_VXZDZ:
+ info.si_code = FPE_FLTDIV;
+ break;
+ case POWERPC_EXCP_FP_XX:
+ info.si_code = FPE_FLTRES;
+ break;
+ case POWERPC_EXCP_FP_VXSOFT:
+ info.si_code = FPE_FLTINV;
+ break;
+ case POWERPC_EXCP_FP_VXSNAN:
+ case POWERPC_EXCP_FP_VXISI:
+ case POWERPC_EXCP_FP_VXIDI:
+ case POWERPC_EXCP_FP_VXIMZ:
+ case POWERPC_EXCP_FP_VXVC:
+ case POWERPC_EXCP_FP_VXSQRT:
+ case POWERPC_EXCP_FP_VXCVI:
+ info.si_code = FPE_FLTSUB;
break;
- case EXCP_PRIV:
- fprintf(stderr, "Privilege violation\n");
- if (loglevel)
- fprintf(logfile, "Privilege violation\n");
- info.si_signo = SIGILL;
- info.si_errno = 0;
- switch (env->error_code & 0xF) {
- case EXCP_PRIV_OPC:
- info.si_code = ILL_PRVOPC;
- break;
- case EXCP_PRIV_REG:
- info.si_code = ILL_PRVREG;
- break;
- default:
- fprintf(stderr, "Unknown privilege violation (%02x)\n",
- env->error_code & 0xF);
- info.si_code = ILL_PRVOPC;
- break;
- }
- break;
- case EXCP_TRAP:
- fprintf(stderr, "Tried to call a TRAP\n");
- if (loglevel)
- fprintf(logfile, "Tried to call a TRAP\n");
- abort();
default:
- /* Should not happen ! */
- fprintf(stderr, "Unknown program exception (%02x)\n",
- env->error_code);
- if (loglevel) {
- fprintf(logfile, "Unknwon program exception (%02x)\n",
- env->error_code);
- }
- abort();
+ EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
+ env->error_code);
+ break;
+ }
+ break;
+ case POWERPC_EXCP_INVAL:
+ EXCP_DUMP(env, "Invalid instruction\n");
+ info.si_signo = SIGILL;
+ info.si_errno = 0;
+ switch (env->error_code & 0xF) {
+ case POWERPC_EXCP_INVAL_INVAL:
+ info.si_code = ILL_ILLOPC;
+ break;
+ case POWERPC_EXCP_INVAL_LSWX:
+ info.si_code = ILL_ILLOPN;
+ break;
+ case POWERPC_EXCP_INVAL_SPR:
+ info.si_code = ILL_PRVREG;
+ break;
+ case POWERPC_EXCP_INVAL_FP:
+ info.si_code = ILL_COPROC;
+ break;
+ default:
+ EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
+ env->error_code & 0xF);
+ info.si_code = ILL_ILLADR;
+ break;
+ }
+ /* Handle this via the gdb */
+ gdb_handlesig (env, SIGSEGV);
+ break;
+ case POWERPC_EXCP_PRIV:
+ EXCP_DUMP(env, "Privilege violation\n");
+ info.si_signo = SIGILL;
+ info.si_errno = 0;
+ switch (env->error_code & 0xF) {
+ case POWERPC_EXCP_PRIV_OPC:
+ info.si_code = ILL_PRVOPC;
+ break;
+ case POWERPC_EXCP_PRIV_REG:
+ info.si_code = ILL_PRVREG;
+ break;
+ default:
+ EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
+ env->error_code & 0xF);
+ info.si_code = ILL_PRVOPC;
+ break;
+ }
+ break;
+ case POWERPC_EXCP_TRAP:
+ cpu_abort(env, "Tried to call a TRAP\n");
+ break;
+ default:
+ /* Should not happen ! */
+ cpu_abort(env, "Unknown program exception (%02x)\n",
+ env->error_code);
+ break;
}
info.si_addr = (void*)(env->nip - 4);
queue_signal(info.si_signo, &info);
break;
- case EXCP_NO_FP:
- fprintf(stderr, "No floating point allowed\n");
- if (loglevel)
- fprintf(logfile, "No floating point allowed\n");
- info.si_signo = SIGILL;
+ case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
+ EXCP_DUMP(env, "No floating point allowed\n");
+ info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_COPROC;
info.si_addr = (void*)(env->nip - 4);
queue_signal(info.si_signo, &info);
break;
- case EXCP_DECR:
- /* Should not happen ! */
- fprintf(stderr, "Decrementer exception\n");
- if (loglevel)
- fprintf(logfile, "Decrementer exception\n");
- abort();
- case EXCP_TRACE:
- /* Pass to gdb: we use this to trace execution */
- gdb_handlesig (env, SIGTRAP);
+ case POWERPC_EXCP_SYSCALL: /* System call exception */
+ cpu_abort(env, "Syscall exception while in user mode. "
+ "Aborting\n");
break;
- case EXCP_FP_ASSIST:
- /* Should not happen ! */
- fprintf(stderr, "Floating point assist exception\n");
- if (loglevel)
- fprintf(logfile, "Floating point assist exception\n");
- abort();
- case EXCP_MTMSR:
- /* We reloaded the msr, just go on */
- if (msr_pr == 0) {
- fprintf(stderr, "Tried to go into supervisor mode !\n");
- if (loglevel)
- fprintf(logfile, "Tried to go into supervisor mode !\n");
- abort();
- }
+ case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */
+ EXCP_DUMP(env, "No APU instruction allowed\n");
+ info.si_signo = SIGILL;
+ info.si_errno = 0;
+ info.si_code = ILL_COPROC;
+ info.si_addr = (void*)(env->nip - 4);
+ queue_signal(info.si_signo, &info);
break;
- case EXCP_BRANCH:
- /* We stopped because of a jump... */
+ case POWERPC_EXCP_DECR: /* Decrementer exception */
+ cpu_abort(env, "Decrementer interrupt while in user mode. "
+ "Aborting\n");
break;
- case EXCP_INTERRUPT:
- /* Don't know why this should ever happen... */
- fprintf(stderr, "EXCP_INTERRUPT\n");
+ case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */
+ cpu_abort(env, "Fix interval timer interrupt while in user mode. "
+ "Aborting\n");
break;
- case EXCP_DEBUG:
+ case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */
+ cpu_abort(env, "Watchdog timer interrupt while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_DTLB: /* Data TLB error */
+ cpu_abort(env, "Data TLB exception while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_ITLB: /* Instruction TLB error */
+ cpu_abort(env, "Instruction TLB exception while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_DEBUG: /* Debug interrupt */
gdb_handlesig (env, SIGTRAP);
break;
- default:
- fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
- trapnr);
- if (loglevel) {
- fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
- "0x%02x - aborting\n", trapnr, env->error_code);
+ case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */
+ EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
+ info.si_signo = SIGILL;
+ info.si_errno = 0;
+ info.si_code = ILL_COPROC;
+ info.si_addr = (void*)(env->nip - 4);
+ queue_signal(info.si_signo, &info);
+ break;
+ case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */
+ cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
+ break;
+ case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */
+ cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
+ break;
+ case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */
+ cpu_abort(env, "Performance monitor exception not handled\n");
+ break;
+ case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */
+ cpu_abort(env, "Doorbell interrupt while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */
+ cpu_abort(env, "Doorbell critical interrupt while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_RESET: /* System reset exception */
+ cpu_abort(env, "Reset interrupt while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_DSEG: /* Data segment exception */
+ cpu_abort(env, "Data segment exception while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_ISEG: /* Instruction segment exception */
+ cpu_abort(env, "Instruction segment exception "
+ "while in user mode. Aborting\n");
+ break;
+ case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
+ cpu_abort(env, "Hypervisor decrementer interrupt "
+ "while in user mode. Aborting\n");
+ break;
+ case POWERPC_EXCP_TRACE: /* Trace exception */
+ /* Nothing to do:
+ * we use this exception to emulate step-by-step execution mode.
+ */
+ break;
+ case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
+ cpu_abort(env, "Hypervisor data storage exception "
+ "while in user mode. Aborting\n");
+ break;
+ case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */
+ cpu_abort(env, "Hypervisor instruction storage exception "
+ "while in user mode. Aborting\n");
+ break;
+ case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */
+ cpu_abort(env, "Hypervisor data segment exception "
+ "while in user mode. Aborting\n");
+ break;
+ case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */
+ cpu_abort(env, "Hypervisor instruction segment exception "
+ "while in user mode. Aborting\n");
+ break;
+ case POWERPC_EXCP_VPU: /* Vector unavailable exception */
+ EXCP_DUMP(env, "No Altivec instructions allowed\n");
+ info.si_signo = SIGILL;
+ info.si_errno = 0;
+ info.si_code = ILL_COPROC;
+ info.si_addr = (void*)(env->nip - 4);
+ queue_signal(info.si_signo, &info);
+ break;
+ case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */
+ cpu_abort(env, "Programable interval timer interrupt "
+ "while in user mode. Aborting\n");
+ break;
+ case POWERPC_EXCP_IO: /* IO error exception */
+ cpu_abort(env, "IO error exception while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_RUNM: /* Run mode exception */
+ cpu_abort(env, "Run mode exception while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_EMUL: /* Emulation trap exception */
+ cpu_abort(env, "Emulation trap exception not handled\n");
+ break;
+ case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */
+ cpu_abort(env, "Instruction fetch TLB exception "
+ "while in user-mode. Aborting");
+ break;
+ case POWERPC_EXCP_DLTLB: /* Data load TLB miss */
+ cpu_abort(env, "Data load TLB exception while in user-mode. "
+ "Aborting");
+ break;
+ case POWERPC_EXCP_DSTLB: /* Data store TLB miss */
+ cpu_abort(env, "Data store TLB exception while in user-mode. "
+ "Aborting");
+ break;
+ case POWERPC_EXCP_FPA: /* Floating-point assist exception */
+ cpu_abort(env, "Floating-point assist exception not handled\n");
+ break;
+ case POWERPC_EXCP_IABR: /* Instruction address breakpoint */
+ cpu_abort(env, "Instruction address breakpoint exception "
+ "not handled\n");
+ break;
+ case POWERPC_EXCP_SMI: /* System management interrupt */
+ cpu_abort(env, "System management interrupt while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_THERM: /* Thermal interrupt */
+ cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */
+ cpu_abort(env, "Performance monitor exception not handled\n");
+ break;
+ case POWERPC_EXCP_VPUA: /* Vector assist exception */
+ cpu_abort(env, "Vector assist exception not handled\n");
+ break;
+ case POWERPC_EXCP_SOFTP: /* Soft patch exception */
+ cpu_abort(env, "Soft patch exception not handled\n");
+ break;
+ case POWERPC_EXCP_MAINT: /* Maintenance exception */
+ cpu_abort(env, "Maintenance exception while in user mode. "
+ "Aborting\n");
+ break;
+ case POWERPC_EXCP_STOP: /* stop translation */
+ /* We did invalidate the instruction cache. Go on */
+ break;
+ case POWERPC_EXCP_BRANCH: /* branch instruction: */
+ /* We just stopped because of a branch. Go on */
+ break;
+ case POWERPC_EXCP_SYSCALL_USER:
+ /* system call in user-mode emulation */
+ /* system call */
+ if(((int)env->gpr[0]) <= SYS_MAXSYSCALL && ((int)env->gpr[0])>0)
+ ret = do_unix_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[9], env->gpr[10]*/);
+ else if(((int)env->gpr[0])<0)
+ ret = do_mach_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[9], env->gpr[10]);
+ else
+ ret = do_thread_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[9], env->gpr[10]);
+
+ /* Unix syscall error signaling */
+ if(((int)env->gpr[0]) <= SYS_MAXSYSCALL && ((int)env->gpr[0])>0)
+ {
+ if( (int)ret < 0 )
+ env->nip += 0;
+ else
+ env->nip += 4;
}
- abort();
+
+ /* Return value */
+ env->gpr[3] = ret;
+ break;
+ case EXCP_INTERRUPT:
+ /* just indicate that signals should be handled asap */
+ break;
+ default:
+ cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
+ break;
}
process_pending_signals(env);
}
"-s size set the stack size in bytes (default=%ld)\n"
"\n"
"debug options:\n"
-#ifdef USE_CODE_COPY
- "-no-code-copy disable code copy acceleration\n"
-#endif
"-d options activate log (logfile='%s')\n"
"-g wait for gdb on port 1234\n"
"-p pagesize set the host page size to 'pagesize'\n",
+ "-singlestep always run in singlestep mode\n"
TARGET_ARCH,
TARGET_ARCH,
interp_prefix,
stack_size,
DEBUG_LOGFILE);
- _exit(1);
+ exit(1);
}
/* XXX: currently only used for async signals (see signal.c) */
int optind;
short use_gdbstub = 0;
const char *r;
+ const char *cpu_model;
if (argc <= 1)
usage();
} else
if (!strcmp(r, "g")) {
use_gdbstub = 1;
- } else
-#ifdef USE_CODE_COPY
- if (!strcmp(r, "no-code-copy")) {
- code_copy_enabled = 0;
- } else
+ } else if (!strcmp(r, "cpu")) {
+ cpu_model = argv[optind++];
+ if (strcmp(cpu_model, "?") == 0) {
+/* XXX: implement xxx_cpu_list for targets that still miss it */
+#if defined(cpu_list)
+ cpu_list(stdout, &fprintf);
#endif
+ exit(1);
+ }
+ } else if (!strcmp(r, "singlestep")) {
+ singlestep = 1;
+ } else
{
usage();
}
/* Zero out regs */
memset(regs, 0, sizeof(struct target_pt_regs));
+ if (cpu_model == NULL) {
+#if defined(TARGET_I386)
+#ifdef TARGET_X86_64
+ cpu_model = "qemu64";
+#else
+ cpu_model = "qemu32";
+#endif
+#elif defined(TARGET_PPC)
+#ifdef TARGET_PPC64
+ cpu_model = "970";
+#else
+ cpu_model = "750";
+#endif
+#else
+#error unsupported CPU
+#endif
+ }
+
+ cpu_exec_init_all(0);
/* NOTE: we need to init the CPU at this stage to get
qemu_host_page_size */
- env = cpu_init();
+ env = cpu_init(cpu_model);
printf("Starting %s with qemu\n----------------\n", filename);
memset(ts, 0, sizeof(TaskState));
env->opaque = ts;
ts->used = 1;
- env->user_mode_only = 1;
#if defined(TARGET_I386)
cpu_x86_set_cpl(env, 3);
#elif defined(TARGET_PPC)
{
int i;
+
+#if defined(TARGET_PPC64)
+#if defined(TARGET_ABI32)
+ env->msr &= ~((target_ulong)1 << MSR_SF);
+#else
+ env->msr |= (target_ulong)1 << MSR_SF;
+#endif
+#endif
env->nip = regs->nip;
for(i = 0; i < 32; i++) {
env->gpr[i] = regs->gpr[i];
projects / qemu / blobdiff