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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2019-03-14 07:38:55 +0100 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2019-03-19 15:20:14 +1100 |
| commit | ebc184be647259ad1f684da8205afb405834b421 (patch) | |
| tree | 8c94bc43562787c712dee74b2cb203aeffcf1090 /hw/intc/xics_spapr.c | |
| parent | f3e971ac9b64067ec94aab11653f92f74ca084aa (diff) | |
| download | focaccia-qemu-ebc184be647259ad1f684da8205afb405834b421.tar.gz focaccia-qemu-ebc184be647259ad1f684da8205afb405834b421.zip | |
ppc/xics/spapr: Fix H_IPOLL implementation
H_IPOLL takes the CPU# of the processor to poll as an argument, it doesn't operate on self. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20190314063855.27890-1-clg@kaod.org> Reviewed-by: Greg Kurz <groug@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/intc/xics_spapr.c')
| -rw-r--r-- | hw/intc/xics_spapr.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c index 607e1c167b..9d2b8adef7 100644 --- a/hw/intc/xics_spapr.c +++ b/hw/intc/xics_spapr.c @@ -95,8 +95,15 @@ static target_ulong h_eoi(PowerPCCPU *cpu, SpaprMachineState *spapr, static target_ulong h_ipoll(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { + ICPState *icp = xics_icp_get(XICS_FABRIC(spapr), args[0]); uint32_t mfrr; - uint32_t xirr = icp_ipoll(spapr_cpu_state(cpu)->icp, &mfrr); + uint32_t xirr; + + if (!icp) { + return H_PARAMETER; + } + + xirr = icp_ipoll(icp, &mfrr); args[0] = xirr; args[1] = mfrr; |