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target-ppc: gdbstub: Add VSX support

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Add the XML and functions to get and set VSX registers.

Signed-off-by: Anton Blanchard <anton@samba.org>
(fixed little-endian guests)
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Anton Blanchard 2016-01-15 16:00:51 +01:00 • committed by David Gibson
parent 95f5b540ab
commit 1438eff302
3 changed files with 71 additions and 3 deletions
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24
target-ppc/translate_init.c
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@ -8896,6 +8896,26 @@ static int gdb_set_spe_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
return 0;
}
static int gdb_get_vsx_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
{
if (n < 32) {
stq_p(mem_buf, env->vsr[n]);
ppc_maybe_bswap_register(env, mem_buf, 8);
return 8;
}
return 0;
}
static int gdb_set_vsx_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
{
if (n < 32) {
ppc_maybe_bswap_register(env, mem_buf, 8);
env->vsr[n] = ldq_p(mem_buf);
return 8;
}
return 0;
}
static int ppc_fixup_cpu(PowerPCCPU *cpu)
{
CPUPPCState *env = &cpu->env;
@ -9001,6 +9021,10 @@ static void ppc_cpu_realizefn(DeviceState *dev, Error **errp)
gdb_register_coprocessor(cs, gdb_get_spe_reg, gdb_set_spe_reg,
34, "power-spe.xml", 0);
}
if (pcc->insns_flags2 & PPC2_VSX) {
gdb_register_coprocessor(cs, gdb_get_vsx_reg, gdb_set_vsx_reg,
32, "power-vsx.xml", 0);
}
qemu_init_vcpu(cs);