From 17f826af864a253a388ad1f2e21bdc82b67dd83c Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Tue, 8 Aug 2023 13:11:16 +1000 Subject: spapr: implement H_SET_MODE debug facilities MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Wire up the H_SET_MODE debug resources to the CIABR and DAWR0 debug facilities in TCG. Signed-off-by: Nicholas Piggin Signed-off-by: Cédric Le Goater --- hw/ppc/spapr_hcall.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) (limited to 'hw/ppc') diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index 9b1f225..b7dc388 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -3,6 +3,7 @@ #include "qapi/error.h" #include "sysemu/hw_accel.h" #include "sysemu/runstate.h" +#include "sysemu/tcg.h" #include "qemu/log.h" #include "qemu/main-loop.h" #include "qemu/module.h" @@ -789,6 +790,54 @@ static target_ulong h_logical_dcbf(PowerPCCPU *cpu, SpaprMachineState *spapr, return H_SUCCESS; } +static target_ulong h_set_mode_resource_set_ciabr(PowerPCCPU *cpu, + SpaprMachineState *spapr, + target_ulong mflags, + target_ulong value1, + target_ulong value2) +{ + CPUPPCState *env = &cpu->env; + + assert(tcg_enabled()); /* KVM will have handled this */ + + if (mflags) { + return H_UNSUPPORTED_FLAG; + } + if (value2) { + return H_P4; + } + if ((value1 & PPC_BITMASK(62, 63)) == 0x3) { + return H_P3; + } + + ppc_store_ciabr(env, value1); + + return H_SUCCESS; +} + +static target_ulong h_set_mode_resource_set_dawr0(PowerPCCPU *cpu, + SpaprMachineState *spapr, + target_ulong mflags, + target_ulong value1, + target_ulong value2) +{ + CPUPPCState *env = &cpu->env; + + assert(tcg_enabled()); /* KVM will have handled this */ + + if (mflags) { + return H_UNSUPPORTED_FLAG; + } + if (value2 & PPC_BIT(61)) { + return H_P4; + } + + ppc_store_dawr0(env, value1); + ppc_store_dawrx0(env, value2); + + return H_SUCCESS; +} + static target_ulong h_set_mode_resource_le(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong mflags, @@ -858,6 +907,14 @@ static target_ulong h_set_mode(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong ret = H_P2; switch (resource) { + case H_SET_MODE_RESOURCE_SET_CIABR: + ret = h_set_mode_resource_set_ciabr(cpu, spapr, args[0], args[2], + args[3]); + break; + case H_SET_MODE_RESOURCE_SET_DAWR0: + ret = h_set_mode_resource_set_dawr0(cpu, spapr, args[0], args[2], + args[3]); + break; case H_SET_MODE_RESOURCE_LE: ret = h_set_mode_resource_le(cpu, spapr, args[0], args[2], args[3]); break; -- cgit v1.1