diff options
| -rw-r--r-- | hw/ppce500_mpc8544ds.c | 1 | ||||
| -rw-r--r-- | target-ppc/Makefile.objs | 1 | ||||
| -rw-r--r-- | target-ppc/cpu.h | 1 | ||||
| -rw-r--r-- | target-ppc/helper.h | 1 | ||||
| -rw-r--r-- | target-ppc/mpic_helper.c | 35 |
5 files changed, 39 insertions, 0 deletions
diff --git a/hw/ppce500_mpc8544ds.c b/hw/ppce500_mpc8544ds.c index d38ad99249..8b9fd83ce1 100644 --- a/hw/ppce500_mpc8544ds.c +++ b/hw/ppce500_mpc8544ds.c @@ -469,6 +469,7 @@ static void mpc8544ds_init(ram_addr_t ram_size, irqs[i][OPENPIC_OUTPUT_INT] = input[PPCE500_INPUT_INT]; irqs[i][OPENPIC_OUTPUT_CINT] = input[PPCE500_INPUT_CINT]; env->spr[SPR_BOOKE_PIR] = env->cpu_index = i; + env->mpic_cpu_base = MPC8544_MPIC_REGS_BASE + 0x20000; ppc_booke_timers_init(env, 400000000, PPC_TIMER_E500); diff --git a/target-ppc/Makefile.objs b/target-ppc/Makefile.objs index 6c11ef84b7..237a0ed4f7 100644 --- a/target-ppc/Makefile.objs +++ b/target-ppc/Makefile.objs @@ -9,3 +9,4 @@ obj-y += mmu_helper.o obj-y += timebase_helper.o obj-y += misc_helper.o obj-y += mem_helper.o +obj-y += mpic_helper.o diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h index 7a77fff077..652a35a39f 100644 --- a/target-ppc/cpu.h +++ b/target-ppc/cpu.h @@ -1066,6 +1066,7 @@ struct CPUPPCState { target_ulong ivor_mask; target_ulong ivpr_mask; target_ulong hreset_vector; + target_phys_addr_t mpic_cpu_base; #endif /* Those resources are used only during code translation */ diff --git a/target-ppc/helper.h b/target-ppc/helper.h index ddab97b379..fd04c063e2 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -405,6 +405,7 @@ DEF_HELPER_2(store_40x_dbcr0, void, env, tl) DEF_HELPER_2(store_40x_sler, void, env, tl) DEF_HELPER_2(store_booke_tcr, void, env, tl) DEF_HELPER_2(store_booke_tsr, void, env, tl) +DEF_HELPER_1(load_epr, tl, env) DEF_HELPER_3(store_ibatl, void, env, i32, tl) DEF_HELPER_3(store_ibatu, void, env, i32, tl) DEF_HELPER_3(store_dbatl, void, env, i32, tl) diff --git a/target-ppc/mpic_helper.c b/target-ppc/mpic_helper.c new file mode 100644 index 0000000000..2c6a4d30a9 --- /dev/null +++ b/target-ppc/mpic_helper.c @@ -0,0 +1,35 @@ +/* + * PowerPC emulation helpers for QEMU. + * + * Copyright (c) 2003-2007 Jocelyn Mayer + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ +#include "cpu.h" +#include "helper.h" + +/*****************************************************************************/ +/* SPR accesses */ + +#if !defined(CONFIG_USER_ONLY) +/* + * This is an ugly helper for EPR, which is basically the same as accessing + * the IACK (PIAC) register on the MPIC. Because we model the MPIC as a device + * that can only talk to the CPU through MMIO, let's access it that way! + */ +target_ulong helper_load_epr(CPUPPCState *env) +{ + return ldl_phys(env->mpic_cpu_base + 0xA0); +} +#endif |