diff options
Diffstat (limited to 'hw/intc/xive.c')
| -rw-r--r-- | hw/intc/xive.c | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/hw/intc/xive.c b/hw/intc/xive.c index 489e6256ef..fa8c3d8287 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -21,6 +21,7 @@ #include "hw/irq.h" #include "hw/ppc/xive.h" #include "hw/ppc/xive_regs.h" +#include "trace.h" /* * XIVE Thread Interrupt Management context @@ -93,6 +94,10 @@ static uint64_t xive_tctx_accept(XiveTCTX *tctx, uint8_t ring) /* Drop Exception bit */ regs[TM_NSR] &= ~mask; + + trace_xive_tctx_accept(tctx->cs->cpu_index, ring, + regs[TM_IPB], regs[TM_PIPR], + regs[TM_CPPR], regs[TM_NSR]); } return (nsr << 8) | regs[TM_CPPR]; @@ -113,12 +118,21 @@ static void xive_tctx_notify(XiveTCTX *tctx, uint8_t ring) default: g_assert_not_reached(); } + trace_xive_tctx_notify(tctx->cs->cpu_index, ring, + regs[TM_IPB], regs[TM_PIPR], + regs[TM_CPPR], regs[TM_NSR]); qemu_irq_raise(xive_tctx_output(tctx, ring)); } } static void xive_tctx_set_cppr(XiveTCTX *tctx, uint8_t ring, uint8_t cppr) { + uint8_t *regs = &tctx->regs[ring]; + + trace_xive_tctx_set_cppr(tctx->cs->cpu_index, ring, + regs[TM_IPB], regs[TM_PIPR], + cppr, regs[TM_NSR]); + if (cppr > XIVE_PRIORITY_MAX) { cppr = 0xff; } @@ -508,6 +522,8 @@ void xive_tctx_tm_write(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset, { const XiveTmOp *xto; + trace_xive_tctx_tm_write(offset, size, value); + /* * TODO: check V bit in Q[0-3]W2 */ @@ -545,6 +561,7 @@ uint64_t xive_tctx_tm_read(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset, unsigned size) { const XiveTmOp *xto; + uint64_t ret; /* * TODO: check V bit in Q[0-3]W2 @@ -560,7 +577,8 @@ uint64_t xive_tctx_tm_read(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset, "@%"HWADDR_PRIx"\n", offset); return -1; } - return xto->read_handler(xptr, tctx, offset, size); + ret = xto->read_handler(xptr, tctx, offset, size); + goto out; } /* @@ -568,13 +586,17 @@ uint64_t xive_tctx_tm_read(XivePresenter *xptr, XiveTCTX *tctx, hwaddr offset, */ xto = xive_tm_find_op(offset, size, false); if (xto) { - return xto->read_handler(xptr, tctx, offset, size); + ret = xto->read_handler(xptr, tctx, offset, size); + goto out; } /* * Finish with raw access to the register values */ - return xive_tm_raw_read(tctx, offset, size); + ret = xive_tm_raw_read(tctx, offset, size); +out: + trace_xive_tctx_tm_read(offset, size, ret); + return ret; } static char *xive_tctx_ring_print(uint8_t *ring) @@ -1005,6 +1027,8 @@ static uint64_t xive_source_esb_read(void *opaque, hwaddr addr, unsigned size) offset); } + trace_xive_source_esb_read(addr, srcno, ret); + return ret; } @@ -1030,6 +1054,8 @@ static void xive_source_esb_write(void *opaque, hwaddr addr, uint32_t srcno = addr >> xsrc->esb_shift; bool notify = false; + trace_xive_source_esb_write(addr, srcno, value); + /* In a two pages ESB MMIO setting, trigger page only triggers */ if (xive_source_is_trigger_page(xsrc, addr)) { notify = xive_source_esb_trigger(xsrc, srcno); @@ -1507,6 +1533,7 @@ static bool xive_presenter_notify(XiveFabric *xfb, uint8_t format, /* handle CPU exception delivery */ if (count) { + trace_xive_presenter_notify(nvt_blk, nvt_idx, match.ring); xive_tctx_ipb_update(match.tctx, match.ring, priority_to_ipb(priority)); } @@ -1558,6 +1585,7 @@ static void xive_router_end_notify(XiveRouter *xrtr, uint8_t end_blk, } if (!xive_end_is_valid(&end)) { + trace_xive_router_end_notify(end_blk, end_idx, end_data); qemu_log_mask(LOG_GUEST_ERROR, "XIVE: END %x/%x is invalid\n", end_blk, end_idx); return; @@ -1683,6 +1711,10 @@ do_escalation: } } + trace_xive_router_end_escalate(end_blk, end_idx, + (uint8_t) xive_get_field32(END_W4_ESC_END_BLOCK, end.w4), + (uint32_t) xive_get_field32(END_W4_ESC_END_INDEX, end.w4), + (uint32_t) xive_get_field32(END_W5_ESC_END_DATA, end.w5)); /* * The END trigger becomes an Escalation trigger */ @@ -1796,6 +1828,8 @@ static uint64_t xive_end_source_read(void *opaque, hwaddr addr, unsigned size) end_blk = xive_router_get_block_id(xsrc->xrtr); end_idx = addr >> (xsrc->esb_shift + 1); + trace_xive_end_source_read(end_blk, end_idx, addr); + if (xive_router_get_end(xsrc->xrtr, end_blk, end_idx, &end)) { qemu_log_mask(LOG_GUEST_ERROR, "XIVE: No END %x/%x\n", end_blk, end_idx); |