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spapr: implement H_SET_MODE debug facilities

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Wire up the H_SET_MODE debug resources to the CIABR and DAWR0 debug
facilities in TCG.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Nicholas Piggin 2023-08-08 13:11:16 +10:00 committed by Cédric Le Goater
parent d5ee641cfc
commit 17f826af86
1 changed files with 57 additions and 0 deletions
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57
hw/ppc/spapr_hcall.c
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@ -3,6 +3,7 @@
#include "qapi/error.h"
#include "sysemu/hw_accel.h"
#include "sysemu/runstate.h"
#include "sysemu/tcg.h"
#include "qemu/log.h"
#include "qemu/main-loop.h"
#include "qemu/module.h"
@ -789,6 +790,54 @@ static target_ulong h_logical_dcbf(PowerPCCPU *cpu, SpaprMachineState *spapr,
return H_SUCCESS;
}
static target_ulong h_set_mode_resource_set_ciabr(PowerPCCPU *cpu,
SpaprMachineState *spapr,
target_ulong mflags,
target_ulong value1,
target_ulong value2)
{
CPUPPCState *env = &cpu->env;
assert(tcg_enabled()); /* KVM will have handled this */
if (mflags) {
return H_UNSUPPORTED_FLAG;
}
if (value2) {
return H_P4;
}
if ((value1 & PPC_BITMASK(62, 63)) == 0x3) {
return H_P3;
}
ppc_store_ciabr(env, value1);
return H_SUCCESS;
}
static target_ulong h_set_mode_resource_set_dawr0(PowerPCCPU *cpu,
SpaprMachineState *spapr,
target_ulong mflags,
target_ulong value1,
target_ulong value2)
{
CPUPPCState *env = &cpu->env;
assert(tcg_enabled()); /* KVM will have handled this */
if (mflags) {
return H_UNSUPPORTED_FLAG;
}
if (value2 & PPC_BIT(61)) {
return H_P4;
}
ppc_store_dawr0(env, value1);
ppc_store_dawrx0(env, value2);
return H_SUCCESS;
}
static target_ulong h_set_mode_resource_le(PowerPCCPU *cpu,
SpaprMachineState *spapr,
target_ulong mflags,
@ -858,6 +907,14 @@ static target_ulong h_set_mode(PowerPCCPU *cpu, SpaprMachineState *spapr,
target_ulong ret = H_P2;
switch (resource) {
case H_SET_MODE_RESOURCE_SET_CIABR:
ret = h_set_mode_resource_set_ciabr(cpu, spapr, args[0], args[2],
args[3]);
break;
case H_SET_MODE_RESOURCE_SET_DAWR0:
ret = h_set_mode_resource_set_dawr0(cpu, spapr, args[0], args[2],
args[3]);
break;
case H_SET_MODE_RESOURCE_LE:
ret = h_set_mode_resource_le(cpu, spapr, args[0], args[2], args[3]);
break;