| Line 41... |
Line 41... |
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DEFAULT_DEBUG_CHANNEL(immu);
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DEFAULT_DEBUG_CHANNEL(immu);
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/* Insn MMU */
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/* Insn MMU */
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/* Precalculates some values for use during address translation */
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void init_immu(void)
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{
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config.immu.pagesize_log2 = log2_int(config.immu.pagesize);
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config.immu.page_offset_mask = config.immu.pagesize - 1;
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config.immu.page_mask = ~config.immu.page_offset_mask;
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config.immu.vpn_mask = ~((config.immu.pagesize * config.immu.nsets) - 1);
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config.immu.set_mask = config.immu.nsets - 1;
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config.immu.lru_reload = (config.immu.set_mask << 6) & SPR_ITLBMR_LRU;
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}
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static inline uorreg_t *immu_find_tlbmr(oraddr_t virtaddr, uorreg_t **itlbmr_lru)
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static inline uorreg_t *immu_find_tlbmr(oraddr_t virtaddr, uorreg_t **itlbmr_lru)
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{
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{
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int set;
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int set;
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int i;
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int i;
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| Line 336... |
Line 326... |
static void immu_hitdelay(union param_val val, void *dat)
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static void immu_hitdelay(union param_val val, void *dat)
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{
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{
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config.immu.hitdelay = val.int_val;
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config.immu.hitdelay = val.int_val;
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}
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}
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static void *immu_start_sec(void)
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{
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return NULL;
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}
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static void immu_end_sec(void *dat)
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{
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/* Precalculate some values for use during address translation */
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config.immu.pagesize_log2 = log2_int(config.immu.pagesize);
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config.immu.page_offset_mask = config.immu.pagesize - 1;
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config.immu.page_mask = ~config.immu.page_offset_mask;
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config.immu.vpn_mask = ~((config.immu.pagesize * config.immu.nsets) - 1);
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config.immu.set_mask = config.immu.nsets - 1;
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config.immu.lru_reload = (config.immu.set_mask << 6) & SPR_ITLBMR_LRU;
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}
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void reg_immu_sec(void)
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void reg_immu_sec(void)
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{
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{
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struct config_section *sec = reg_config_sec("immu", NULL, NULL);
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struct config_section *sec = reg_config_sec("immu", immu_start_sec,
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immu_end_sec);
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reg_config_param(sec, "enabled", paramt_int, immu_enabled);
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reg_config_param(sec, "enabled", paramt_int, immu_enabled);
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reg_config_param(sec, "nsets", paramt_int, immu_nsets);
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reg_config_param(sec, "nsets", paramt_int, immu_nsets);
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reg_config_param(sec, "nways", paramt_int, immu_nways);
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reg_config_param(sec, "nways", paramt_int, immu_nways);
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reg_config_param(sec, "pagesize", paramt_int, immu_pagesize);
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reg_config_param(sec, "pagesize", paramt_int, immu_pagesize);
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