gwj / at91sam9263 · Commits

Commit 688890f75e399f3e96c5887d41958f6a7a65873c

Authored by aurel32
1 parent b4f8d821

target-ppc: Add SPE register read/write using XML 

Don't read/write SPEFSCR until we figure out what to do about exceptions.

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6425 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 50 additions and 0 deletions
target-ppc/translate_init.c
  View file @688890f
... ... @@ -9345,6 +9345,51 @@ static int gdb_set_avr_reg(CPUState *env, uint8_t *mem_buf, int n)
9345 9345 return 0;
9346 9346 }
9347 9347  
  9348 +static int gdb_get_spe_reg(CPUState *env, uint8_t *mem_buf, int n)
  9349 +{
  9350 + if (n < 32) {
  9351 +#if defined(TARGET_PPC64)
  9352 + stl_p(mem_buf, env->gpr[n] >> 32);
  9353 +#else
  9354 + stl_p(mem_buf, env->gprh[n]);
  9355 +#endif
  9356 + return 4;
  9357 + }
  9358 + if (n == 33) {
  9359 + stq_p(mem_buf, env->spe_acc);
  9360 + return 8;
  9361 + }
  9362 + if (n == 34) {
  9363 + /* SPEFSCR not implemented */
  9364 + memset(mem_buf, 0, 4);
  9365 + return 4;
  9366 + }
  9367 + return 0;
  9368 +}
  9369 +
  9370 +static int gdb_set_spe_reg(CPUState *env, uint8_t *mem_buf, int n)
  9371 +{
  9372 + if (n < 32) {
  9373 +#if defined(TARGET_PPC64)
  9374 + target_ulong lo = (uint32_t)env->gpr[n];
  9375 + target_ulong hi = (target_ulong)ldl_p(mem_buf) << 32;
  9376 + env->gpr[n] = lo | hi;
  9377 +#else
  9378 + env->gprh[n] = ldl_p(mem_buf);
  9379 +#endif
  9380 + return 4;
  9381 + }
  9382 + if (n == 33) {
  9383 + env->spe_acc = ldq_p(mem_buf);
  9384 + return 8;
  9385 + }
  9386 + if (n == 34) {
  9387 + /* SPEFSCR not implemented */
  9388 + return 4;
  9389 + }
  9390 + return 0;
  9391 +}
  9392 +
9348 9393 int cpu_ppc_register_internal (CPUPPCState *env, const ppc_def_t *def)
9349 9394 {
9350 9395 env->msr_mask = def->msr_mask;
... ... @@ -9366,6 +9411,11 @@ int cpu_ppc_register_internal (CPUPPCState *env, const ppc_def_t *def)
9366 9411 gdb_register_coprocessor(env, gdb_get_avr_reg, gdb_set_avr_reg,
9367 9412 34, "power-altivec.xml", 0);
9368 9413 }
  9414 + if ((def->insns_flags & PPC_SPE) | (def->insns_flags & PPC_SPEFPU)) {
  9415 + gdb_register_coprocessor(env, gdb_get_spe_reg, gdb_set_spe_reg,
  9416 + 34, "power-spe.xml", 0);
  9417 + }
  9418 +
9369 9419 #if defined(PPC_DUMP_CPU)
9370 9420 {
9371 9421 const char *mmu_model, *excp_model, *bus_model;
... ...