include/hw/ppc/xive2.h | 1 +
hw/intc/pnv_xive2.c | 5 +++++
hw/intc/xive2.c | 3 ++-
3 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/include/hw/ppc/xive2.h b/include/hw/ppc/xive2.h
index 88c3e393162d..001388ccea7a 100644
--- a/include/hw/ppc/xive2.h
+++ b/include/hw/ppc/xive2.h
@@ -31,6 +31,7 @@ OBJECT_DECLARE_TYPE(Xive2Router, Xive2RouterClass,
XIVE2_ROUTER);
#define XIVE2_GEN1_TIMA_OS 0x00000001
#define XIVE2_VP_SAVE_RESTORE 0x00000002
+#define XIVE2_THREADID_8BITS 0x00000004
typedef struct Xive2RouterClass {
SysBusDeviceClass parent;
diff --git a/hw/intc/pnv_xive2.c b/hw/intc/pnv_xive2.c
index 6f0a63cd3d2f..5aaccaf78934 100644
--- a/hw/intc/pnv_xive2.c
+++ b/hw/intc/pnv_xive2.c
@@ -438,6 +438,11 @@ static uint32_t pnv_xive2_get_config(Xive2Router *xrtr)
cfg |= XIVE2_VP_SAVE_RESTORE;
}
+ if (GETFIELD(CQ_XIVE_CFG_HYP_HARD_RANGE,
+ xive->cq_regs[CQ_XIVE_CFG >> 3]) == CQ_XIVE_CFG_THREADID_8BITS) {
+ cfg |= XIVE2_THREADID_8BITS;
+ }
+
return cfg;
}
diff --git a/hw/intc/xive2.c b/hw/intc/xive2.c
index 978a0e3972e1..6b46f7021b46 100644
--- a/hw/intc/xive2.c
+++ b/hw/intc/xive2.c
@@ -458,7 +458,8 @@ static uint32_t xive2_tctx_hw_cam_line(XivePresenter *xptr,
XiveTCTX *tctx)
CPUPPCState *env = &POWERPC_CPU(tctx->cs)->env;
uint32_t pir = env->spr_cb[SPR_PIR].default_value;
uint8_t blk = xive2_router_get_block_id(xrtr);
- uint8_t tid_shift = 7;
+ uint8_t tid_shift =
+ xive2_router_get_config(xrtr) & XIVE2_THREADID_8BITS ? 8 : 7;
uint8_t tid_mask = (1 << tid_shift) - 1;
return xive2_nvp_cam_line(blk, 1 << tid_shift | (pir & tid_mask));