diff options
Diffstat (limited to 'target/ppc/cpu.c')
| -rw-r--r-- | target/ppc/cpu.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/ppc/cpu.c b/target/ppc/cpu.c index cb794e9..d957d1a 100644 --- a/target/ppc/cpu.c +++ b/target/ppc/cpu.c @@ -20,7 +20,10 @@ #include "qemu/osdep.h" #include "cpu.h" #include "cpu-models.h" +#include "cpu-qom.h" +#include "exec/log.h" #include "fpu/softfloat-helpers.h" +#include "mmu-hash64.h" target_ulong cpu_read_xer(CPUPPCState *env) { @@ -61,3 +64,31 @@ uint32_t ppc_get_vscr(CPUPPCState *env) uint32_t sat = (env->vscr_sat.u64[0] | env->vscr_sat.u64[1]) != 0; return env->vscr | (sat << VSCR_SAT); } + +#ifdef CONFIG_SOFTMMU +void ppc_store_sdr1(CPUPPCState *env, target_ulong value) +{ + PowerPCCPU *cpu = env_archcpu(env); + qemu_log_mask(CPU_LOG_MMU, "%s: " TARGET_FMT_lx "\n", __func__, value); + assert(!cpu->vhyp); +#if defined(TARGET_PPC64) + if (mmu_is_64bit(env->mmu_model)) { + target_ulong sdr_mask = SDR_64_HTABORG | SDR_64_HTABSIZE; + target_ulong htabsize = value & SDR_64_HTABSIZE; + + if (value & ~sdr_mask) { + error_report("Invalid bits 0x"TARGET_FMT_lx" set in SDR1", + value & ~sdr_mask); + value &= sdr_mask; + } + if (htabsize > 28) { + error_report("Invalid HTABSIZE 0x" TARGET_FMT_lx" stored in SDR1", + htabsize); + return; + } + } +#endif /* defined(TARGET_PPC64) */ + /* FIXME: Should check for valid HTABMASK values in 32-bit case */ + env->spr[SPR_SDR1] = value; +} +#endif /* CONFIG_SOFTMMU */ |