mmu_common.c (5118ebe8396d2b98217b3d4719e3a420dfb0a929) mmu_common.c (d6ae8ec6ef2635e521e89fc8708b84245cf00013)
1/*
2 * PowerPC MMU, TLB, SLB and BAT emulation helpers for QEMU.
3 *
4 * Copyright (c) 2003-2007 Jocelyn Mayer
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either

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53#endif
54
55#ifdef DEBUG_BATS
56# define LOG_BATS(...) qemu_log_mask(CPU_LOG_MMU, __VA_ARGS__)
57#else
58# define LOG_BATS(...) do { } while (0)
59#endif
60
1/*
2 * PowerPC MMU, TLB, SLB and BAT emulation helpers for QEMU.
3 *
4 * Copyright (c) 2003-2007 Jocelyn Mayer
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either

--- 44 unchanged lines hidden (view full) ---

53#endif
54
55#ifdef DEBUG_BATS
56# define LOG_BATS(...) qemu_log_mask(CPU_LOG_MMU, __VA_ARGS__)
57#else
58# define LOG_BATS(...) do { } while (0)
59#endif
60
61void ppc_store_sdr1(CPUPPCState *env, target_ulong value)
62{
63 PowerPCCPU *cpu = env_archcpu(env);
64 qemu_log_mask(CPU_LOG_MMU, "%s: " TARGET_FMT_lx "\n", __func__, value);
65 assert(!cpu->env.has_hv_mode || !cpu->vhyp);
66#if defined(TARGET_PPC64)
67 if (mmu_is_64bit(env->mmu_model)) {
68 target_ulong sdr_mask = SDR_64_HTABORG | SDR_64_HTABSIZE;
69 target_ulong htabsize = value & SDR_64_HTABSIZE;
70
71 if (value & ~sdr_mask) {
72 qemu_log_mask(LOG_GUEST_ERROR, "Invalid bits 0x"TARGET_FMT_lx
73 " set in SDR1", value & ~sdr_mask);
74 value &= sdr_mask;
75 }
76 if (htabsize > 28) {
77 qemu_log_mask(LOG_GUEST_ERROR, "Invalid HTABSIZE 0x" TARGET_FMT_lx
78 " stored in SDR1", htabsize);
79 return;
80 }
81 }
82#endif /* defined(TARGET_PPC64) */
83 /* FIXME: Should check for valid HTABMASK values in 32-bit case */
84 env->spr[SPR_SDR1] = value;
85}
86
61/*****************************************************************************/
62/* PowerPC MMU emulation */
63
64static int pp_check(int key, int pp, int nx)
65{
66 int access;
67
68 /* Compute access rights */

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88/* PowerPC MMU emulation */
89
90static int pp_check(int key, int pp, int nx)
91{
92 int access;
93
94 /* Compute access rights */

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