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xics: Implement H_XIRR_X 

This implements H_XIRR_X hypercall in addition to H_XIRR as
it is mandatory for PAPR+ and there is no way for the guest to
detect whether it is supported or not so just add it.

As the Partition Adjunct Option is not supported at the moment,
the CPPR parameter of the hypercall is ignored.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Benjamin Herrenschmidt 2013-09-26 16:18:46 +10:00 committed by Alexander Graf
parent 075edbe3ba
commit 5d87e4b74a
2 changed files with 15 additions and 0 deletions
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14
hw/intc/xics.c
View File

@ -27,6 +27,7 @@
#include "hw/hw.h"
#include "trace.h"
#include "qemu/timer.h"
#include "hw/ppc/spapr.h"
#include "hw/ppc/xics.h"
#include "qemu/error-report.h"
@ -679,6 +680,18 @@ static target_ulong h_xirr(PowerPCCPU *cpu, sPAPREnvironment *spapr,
return H_SUCCESS;
}
static target_ulong h_xirr_x(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
CPUState *cs = CPU(cpu);
ICPState *ss = &spapr->icp->ss[cs->cpu_index];
uint32_t xirr = icp_accept(ss);
args[0] = xirr;
args[1] = cpu_get_real_ticks();
return H_SUCCESS;
}
static target_ulong h_eoi(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
@ -853,6 +866,7 @@ static void xics_realize(DeviceState *dev, Error **errp)
spapr_register_hypercall(H_CPPR, h_cppr);
spapr_register_hypercall(H_IPI, h_ipi);
spapr_register_hypercall(H_XIRR, h_xirr);
spapr_register_hypercall(H_XIRR_X, h_xirr_x);
spapr_register_hypercall(H_EOI, h_eoi);
spapr_register_hypercall(H_IPOLL, h_ipoll);

1
include/hw/ppc/spapr.h
View File

@ -283,6 +283,7 @@ typedef struct sPAPREnvironment {
#define H_GET_EM_PARMS 0x2B8
#define H_SET_MPP 0x2D0
#define H_GET_MPP 0x2D4
#define H_XIRR_X 0x2FC
#define H_SET_MODE 0x31C
#define MAX_HCALL_OPCODE H_SET_MODE