diff options
Diffstat (limited to 'target/ppc/misc_helper.c')
| -rw-r--r-- | target/ppc/misc_helper.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/target/ppc/misc_helper.c b/target/ppc/misc_helper.c index 08a31da289..c33f5f39b9 100644 --- a/target/ppc/misc_helper.c +++ b/target/ppc/misc_helper.c @@ -23,6 +23,7 @@ #include "exec/helper-proto.h" #include "qemu/error-report.h" #include "qemu/main-loop.h" +#include "mmu-book3s-v3.h" #include "helper_regs.h" @@ -116,7 +117,28 @@ void helper_store_sdr1(CPUPPCState *env, target_ulong val) void helper_store_ptcr(CPUPPCState *env, target_ulong val) { if (env->spr[SPR_PTCR] != val) { - ppc_store_ptcr(env, val); + PowerPCCPU *cpu = env_archcpu(env); + target_ulong ptcr_mask = PTCR_PATB | PTCR_PATS; + target_ulong patbsize = val & PTCR_PATS; + + qemu_log_mask(CPU_LOG_MMU, "%s: " TARGET_FMT_lx "\n", __func__, val); + + assert(!cpu->vhyp); + assert(env->mmu_model & POWERPC_MMU_3_00); + + if (val & ~ptcr_mask) { + error_report("Invalid bits 0x"TARGET_FMT_lx" set in PTCR", + val & ~ptcr_mask); + val &= ptcr_mask; + } + + if (patbsize > 24) { + error_report("Invalid Partition Table size 0x" TARGET_FMT_lx + " stored in PTCR", patbsize); + return; + } + + env->spr[SPR_PTCR] = val; tlb_flush(env_cpu(env)); } } @@ -255,22 +277,6 @@ target_ulong helper_clcs(CPUPPCState *env, uint32_t arg) /*****************************************************************************/ /* Special registers manipulation */ -/* GDBstub can read and write MSR... */ -void ppc_store_msr(CPUPPCState *env, target_ulong value) -{ - hreg_store_msr(env, value, 0); -} - -void ppc_store_lpcr(PowerPCCPU *cpu, target_ulong val) -{ - PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); - CPUPPCState *env = &cpu->env; - - env->spr[SPR_LPCR] = val & pcc->lpcr_mask; - /* The gtse bit affects hflags */ - hreg_compute_hflags(env); -} - /* * This code is lifted from MacOnLinux. It is called whenever THRM1,2 * or 3 is read an fixes up the values in such a way that will make |