Commit e85e7c6ea411c42e24e6e7b8ff5cdd99faae317a

Authored by j_mayer
1 parent b5334159

Use the new TARGET_ABI32 feature to implement a ppc64abi32-linux-user target

(PowerPC 64 running in 32 bits mode).
Use the new TARGET_ABI_DIR feature to implement a ppcemb-linux-user target
  (PowerPC 32 with 64 bits GPRs and vector extensions).


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3409 c046a42c-6fe2-441c-8c8c-71466251a162
configure
... ... @@ -504,7 +504,7 @@ if test -z "$target_list" ; then
504 504 fi
505 505 # the following are Linux specific
506 506 if [ "$linux_user" = "yes" ] ; then
507   - target_list="i386-linux-user arm-linux-user armeb-linux-user sparc-linux-user sparc64-linux-user sparc32plus-linux-user mips-linux-user mipsel-linux-user m68k-linux-user alpha-linux-user sh4-linux-user ppc-linux-user ppc64-linux-user x86_64-linux-user cris-linux-user $target_list"
  507 + target_list="i386-linux-user arm-linux-user armeb-linux-user sparc-linux-user sparc64-linux-user sparc32plus-linux-user mips-linux-user mipsel-linux-user m68k-linux-user alpha-linux-user sh4-linux-user ppc-linux-user ppcemb-linux-user ppc64-linux-user ppc64abi32-linux-user x86_64-linux-user cris-linux-user $target_list"
508 508 fi
509 509 # the following are Darwin specific
510 510 if [ "$darwin_user" = "yes" ] ; then
... ... @@ -937,6 +937,7 @@ target_bigendian="no"
937 937 [ "$target_cpu" = "ppc" ] && target_bigendian=yes
938 938 [ "$target_cpu" = "ppcemb" ] && target_bigendian=yes
939 939 [ "$target_cpu" = "ppc64" ] && target_bigendian=yes
  940 +[ "$target_cpu" = "ppc64abi32" ] && target_bigendian=yes
940 941 [ "$target_cpu" = "ppc64h" ] && target_bigendian=yes
941 942 [ "$target_cpu" = "mips" ] && target_bigendian=yes
942 943 [ "$target_cpu" = "mipsn32" ] && target_bigendian=yes
... ... @@ -1040,6 +1041,7 @@ elif test "$target_cpu" = "ppc" ; then
1040 1041 echo "#define TARGET_PPC 1" >> $config_h
1041 1042 elif test "$target_cpu" = "ppcemb" ; then
1042 1043 echo "TARGET_ARCH=ppcemb" >> $config_mak
  1044 + echo "TARGET_ABI_DIR=ppc" >> $config_mak
1043 1045 echo "#define TARGET_ARCH \"ppcemb\"" >> $config_h
1044 1046 echo "#define TARGET_PPC 1" >> $config_h
1045 1047 echo "#define TARGET_PPCEMB 1" >> $config_h
... ... @@ -1048,6 +1050,13 @@ elif test "$target_cpu" = "ppc64" ; then
1048 1050 echo "#define TARGET_ARCH \"ppc64\"" >> $config_h
1049 1051 echo "#define TARGET_PPC 1" >> $config_h
1050 1052 echo "#define TARGET_PPC64 1" >> $config_h
  1053 +elif test "$target_cpu" = "ppc64abi32" ; then
  1054 + echo "TARGET_ARCH=ppc64" >> $config_mak
  1055 + echo "#define TARGET_ARCH \"ppc64\"" >> $config_h
  1056 + echo "TARGET_ABI_DIR=ppc" >> $config_mak
  1057 + echo "#define TARGET_PPC 1" >> $config_h
  1058 + echo "#define TARGET_PPC64 1" >> $config_h
  1059 + echo "#define TARGET_ABI32 1" >> $config_h
1051 1060 elif test "$target_cpu" = "ppc64h" ; then
1052 1061 echo "TARGET_ARCH=ppc64h" >> $config_mak
1053 1062 echo "#define TARGET_ARCH \"ppc64h\"" >> $config_h
... ...
linux-user/elfload.c
... ... @@ -269,7 +269,7 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
269 269  
270 270 #define ELF_START_MMAP 0x80000000
271 271  
272   -#ifdef TARGET_PPC64
  272 +#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
273 273  
274 274 #define elf_check_arch(x) ( (x) == EM_PPC64 )
275 275  
... ... @@ -325,13 +325,13 @@ static inline void init_thread(struct target_pt_regs *_regs, struct image_info *
325 325 {
326 326 abi_ulong pos = infop->start_stack;
327 327 abi_ulong tmp;
328   -#ifdef TARGET_PPC64
  328 +#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
329 329 abi_ulong entry, toc;
330 330 #endif
331 331  
332 332 _regs->msr = 1 << MSR_PR; /* Set user mode */
333 333 _regs->gpr[1] = infop->start_stack;
334   -#ifdef TARGET_PPC64
  334 +#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
335 335 entry = ldq_raw(infop->entry) + infop->load_addr;
336 336 toc = ldq_raw(infop->entry + 8) + infop->load_addr;
337 337 _regs->gpr[2] = toc;
... ...
linux-user/main.c
... ... @@ -1008,7 +1008,7 @@ void cpu_loop(CPUPPCState *env)
1008 1008 "Aborting\n");
1009 1009 break;
1010 1010 #endif /* defined(TARGET_PPCEMB) */
1011   -#if defined(TARGET_PPC64) /* PowerPC 64 */
  1011 +#if defined(TARGET_PPC64) && !defined(TARGET_ABI32) /* PowerPC 64 */
1012 1012 case POWERPC_EXCP_DSEG: /* Data segment exception */
1013 1013 cpu_abort(env, "Data segment exception while in user mode. "
1014 1014 "Aborting\n");
... ... @@ -1017,19 +1017,21 @@ void cpu_loop(CPUPPCState *env)
1017 1017 cpu_abort(env, "Instruction segment exception "
1018 1018 "while in user mode. Aborting\n");
1019 1019 break;
1020   -#endif /* defined(TARGET_PPC64) */
1021   -#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */
  1020 +#endif /* defined(TARGET_PPC64) && !defined(TARGET_ABI32) */
  1021 +#if defined(TARGET_PPC64H) && !defined(TARGET_ABI32)
  1022 + /* PowerPC 64 with hypervisor mode support */
1022 1023 case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */
1023 1024 cpu_abort(env, "Hypervisor decrementer interrupt "
1024 1025 "while in user mode. Aborting\n");
1025 1026 break;
1026   -#endif /* defined(TARGET_PPC64H) */
  1027 +#endif /* defined(TARGET_PPC64H) && !defined(TARGET_ABI32) */
1027 1028 case POWERPC_EXCP_TRACE: /* Trace exception */
1028 1029 /* Nothing to do:
1029 1030 * we use this exception to emulate step-by-step execution mode.
1030 1031 */
1031 1032 break;
1032   -#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */
  1033 +#if defined(TARGET_PPC64H) && !defined(TARGET_ABI32)
  1034 + /* PowerPC 64 with hypervisor mode support */
1033 1035 case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */
1034 1036 cpu_abort(env, "Hypervisor data storage exception "
1035 1037 "while in user mode. Aborting\n");
... ... @@ -1046,7 +1048,7 @@ void cpu_loop(CPUPPCState *env)
1046 1048 cpu_abort(env, "Hypervisor instruction segment exception "
1047 1049 "while in user mode. Aborting\n");
1048 1050 break;
1049   -#endif /* defined(TARGET_PPC64H) */
  1051 +#endif /* defined(TARGET_PPC64H) && !defined(TARGET_ABI32) */
1050 1052 case POWERPC_EXCP_VPU: /* Vector unavailable exception */
1051 1053 EXCP_DUMP(env, "No Altivec instructions allowed\n");
1052 1054 info.si_signo = TARGET_SIGILL;
... ... @@ -2170,8 +2172,10 @@ int main(int argc, char **argv)
2170 2172 if (i != 12 && i != 6 && i != 13)
2171 2173 env->msr[i] = (regs->msr >> i) & 1;
2172 2174 }
2173   -#if defined(TARGET_PPC64)
  2175 +#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
2174 2176 msr_sf = 1;
  2177 +#else
  2178 + msr_sf = 0;
2175 2179 #endif
2176 2180 env->nip = regs->nip;
2177 2181 for(i = 0; i < 32; i++) {
... ...