diff options
Diffstat (limited to 'hw/intc')
-rw-r--r-- | hw/intc/pnv_xive.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c index 95e9de312c..db9d9c11a8 100644 --- a/hw/intc/pnv_xive.c +++ b/hw/intc/pnv_xive.c @@ -439,31 +439,37 @@ static int pnv_xive_match_nvt(XivePresenter *xptr, uint8_t format, return count; } +/* + * The TIMA MMIO space is shared among the chips and to identify the + * chip from which the access is being done, we extract the chip id + * from the PIR. + */ +static PnvXive *pnv_xive_tm_get_xive(PowerPCCPU *cpu) +{ + int pir = ppc_cpu_pir(cpu); + PnvChip *chip; + PnvXive *xive; + + chip = pnv_get_chip(PNV9_PIR2CHIP(pir)); + assert(chip); + xive = &PNV9_CHIP(chip)->xive; + + if (!pnv_xive_is_cpu_enabled(xive, cpu)) { + xive_error(xive, "IC: CPU %x is not enabled", pir); + } + return xive; +} + static XiveTCTX *pnv_xive_get_tctx(XiveRouter *xrtr, CPUState *cs) { PowerPCCPU *cpu = POWERPC_CPU(cs); - XiveTCTX *tctx = XIVE_TCTX(pnv_cpu_state(cpu)->intc); - PnvXive *xive = NULL; - CPUPPCState *env = &cpu->env; - int pir = env->spr_cb[SPR_PIR].default_value; + PnvXive *xive = pnv_xive_tm_get_xive(cpu); - /* - * Perform an extra check on the HW thread enablement. - * - * The TIMA is shared among the chips and to identify the chip - * from which the access is being done, we extract the chip id - * from the PIR. - */ - xive = pnv_xive_get_ic((pir >> 8) & 0xf); if (!xive) { return NULL; } - if (!(xive->regs[PC_THREAD_EN_REG0 >> 3] & PPC_BIT(pir & 0x3f))) { - xive_error(PNV_XIVE(xrtr), "IC: CPU %x is not enabled", pir); - } - - return tctx; + return XIVE_TCTX(pnv_cpu_state(cpu)->intc); } /* |