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authorCédric Le Goater <clg@kaod.org>2022-03-02 06:51:39 +0100
committerCédric Le Goater <clg@kaod.org>2022-03-02 06:51:39 +0100
commit09a7e60c6411c7c390aa392672fbdbef5e5e2084 (patch)
tree1a2133625da3822d7691ea40053a5cfa8af61970 /hw/intc
parent835806f1f97a840d27e9c2e24c678af6e12b2dc4 (diff)
downloadfocaccia-qemu-09a7e60c6411c7c390aa392672fbdbef5e5e2084.tar.gz
focaccia-qemu-09a7e60c6411c7c390aa392672fbdbef5e5e2084.zip
pnv/xive2: Add support for 8bits thread id
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw/intc')
-rw-r--r--hw/intc/pnv_xive2.c5
-rw-r--r--hw/intc/xive2.c3
2 files changed, 7 insertions, 1 deletions
diff --git a/hw/intc/pnv_xive2.c b/hw/intc/pnv_xive2.c
index b51571c603..87303b4064 100644
--- a/hw/intc/pnv_xive2.c
+++ b/hw/intc/pnv_xive2.c
@@ -439,6 +439,11 @@ 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 fd9cfebd78..b6452f1478 100644
--- a/hw/intc/xive2.c
+++ b/hw/intc/xive2.c
@@ -459,7 +459,8 @@ 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));