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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
master
aurel32 2009-01-24 15:08:17 +00:00
parent b4f8d821e5
commit 688890f75e
1 changed files with 50 additions and 0 deletions
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50
target-ppc/translate_init.c
View File

@ -9345,6 +9345,51 @@ static int gdb_set_avr_reg(CPUState *env, uint8_t *mem_buf, int n)
return 0;
}
static int gdb_get_spe_reg(CPUState *env, uint8_t *mem_buf, int n)
{
if (n < 32) {
#if defined(TARGET_PPC64)
stl_p(mem_buf, env->gpr[n] >> 32);
#else
stl_p(mem_buf, env->gprh[n]);
#endif
return 4;
}
if (n == 33) {
stq_p(mem_buf, env->spe_acc);
return 8;
}
if (n == 34) {
/* SPEFSCR not implemented */
memset(mem_buf, 0, 4);
return 4;
}
return 0;
}
static int gdb_set_spe_reg(CPUState *env, uint8_t *mem_buf, int n)
{
if (n < 32) {
#if defined(TARGET_PPC64)
target_ulong lo = (uint32_t)env->gpr[n];
target_ulong hi = (target_ulong)ldl_p(mem_buf) << 32;
env->gpr[n] = lo | hi;
#else
env->gprh[n] = ldl_p(mem_buf);
#endif
return 4;
}
if (n == 33) {
env->spe_acc = ldq_p(mem_buf);
return 8;
}
if (n == 34) {
/* SPEFSCR not implemented */
return 4;
}
return 0;
}
int cpu_ppc_register_internal (CPUPPCState *env, const ppc_def_t *def)
{
env->msr_mask = def->msr_mask;
@ -9366,6 +9411,11 @@ int cpu_ppc_register_internal (CPUPPCState *env, const ppc_def_t *def)
gdb_register_coprocessor(env, gdb_get_avr_reg, gdb_set_avr_reg,
34, "power-altivec.xml", 0);
}
if ((def->insns_flags & PPC_SPE) | (def->insns_flags & PPC_SPEFPU)) {
gdb_register_coprocessor(env, gdb_get_spe_reg, gdb_set_spe_reg,
34, "power-spe.xml", 0);
}
#if defined(PPC_DUMP_CPU)
{
const char *mmu_model, *excp_model, *bus_model;