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https://github.com/espressif/esp-idf.git
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refactor(hal): extract cache && mmu HAL into esp_hal_cache
This commit is contained in:
morris
@@ -0,0 +1,455 @@
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/*
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* SPDX-FileCopyrightText: 2022-2026 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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// The LL layer for Cache register operations
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#pragma once
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#include <stdbool.h>
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#include "soc/extmem_reg.h"
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#include "soc/ext_mem_defs.h"
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#include "hal/cache_types.h"
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#include "hal/assert.h"
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#include "esp32c3/rom/cache.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CACHE_LL_DEFAULT_IBUS_MASK CACHE_BUS_IBUS0
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#define CACHE_LL_DEFAULT_DBUS_MASK CACHE_BUS_DBUS0
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#define CACHE_LL_L1_ACCESS_EVENT_MASK (0x3f)
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#define CACHE_LL_L1_ACCESS_EVENT_DBUS_WR_IC (1<<5)
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#define CACHE_LL_L1_ACCESS_EVENT_DBUS_REJECT (1<<4)
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#define CACHE_LL_L1_ACCESS_EVENT_DBUS_ACS_MSK_IC (1<<3)
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#define CACHE_LL_L1_ACCESS_EVENT_IBUS_REJECT (1<<2)
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#define CACHE_LL_L1_ACCESS_EVENT_IBUS_WR_IC (1<<1)
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#define CACHE_LL_L1_ACCESS_EVENT_IBUS_ACS_MSK_IC (1<<0)
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#define CACHE_LL_L1_ILG_EVENT_MASK (0x23)
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#define CACHE_LL_L1_ILG_EVENT_MMU_ENTRY_FAULT (1<<5)
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#define CACHE_LL_L1_ILG_EVENT_PRELOAD_OP_FAULT (1<<1)
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#define CACHE_LL_L1_ILG_EVENT_SYNC_OP_FAULT (1<<0)
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#define CACHE_LL_ID_ALL 1 //All of the caches in a type and level, make this value greater than any ID
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#define CACHE_LL_LEVEL_INT_MEM 0 //Cache level for accessing internal mem
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#define CACHE_LL_LEVEL_EXT_MEM 1 //Cache level for accessing external mem
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#define CACHE_LL_LEVEL_ALL 2 //All of the cache levels, make this value greater than any level
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#define CACHE_LL_LEVEL_NUMS 1 //Number of cache levels
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#define CACHE_LL_L1_ICACHE_AUTOLOAD (1<<2)
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/**
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* @brief Preload strategy
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*/
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typedef enum {
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CACHE_LL_PRELOAD_UNTIL_FETCH_DONE = 0,
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CACHE_LL_PRELOAD_AFTER_FETCH = 1,
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CACHE_LL_PRELOAD_ARBITRARY = 2,
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} cache_ll_preload_strategy_t;
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/**
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* @brief Initialize the cache clock
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*/
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__attribute__((always_inline))
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static inline void cache_ll_clk_init(void)
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{
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//for compatibility
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}
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/**
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* @brief Check if Cache auto preload is enabled or not.
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*
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* @param cache_level level of the cache
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* @param type see `cache_type_t`
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* @param cache_id id of the cache in this type and level
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*
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* @return true: enabled; false: disabled
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*/
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__attribute__((always_inline))
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static inline bool cache_ll_is_cache_autoload_enabled(uint32_t cache_level, cache_type_t type, uint32_t cache_id)
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{
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HAL_ASSERT(cache_id <= CACHE_LL_ID_ALL);
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bool enabled = false;
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if (REG_GET_BIT(EXTMEM_ICACHE_AUTOLOAD_CTRL_REG, EXTMEM_ICACHE_AUTOLOAD_ENA)) {
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enabled = true;
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}
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return enabled;
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}
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/**
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* @brief Disable Cache
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*
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* @param cache_level level of the cache
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* @param type see `cache_type_t`
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* @param cache_id id of the cache in this type and level
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*/
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__attribute__((always_inline))
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static inline void cache_ll_disable_cache(uint32_t cache_level, cache_type_t type, uint32_t cache_id)
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{
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(void) type;
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Cache_Disable_ICache();
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}
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/**
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* @brief Enable Cache
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*
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* @param cache_level level of the cache
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* @param type see `cache_type_t`
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* @param cache_id id of the cache in this type and level
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* @param data_autoload_en data autoload enabled or not
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* @param inst_autoload_en inst autoload enabled or not
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*/
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__attribute__((always_inline))
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static inline void cache_ll_enable_cache(uint32_t cache_level, cache_type_t type, uint32_t cache_id, bool inst_autoload_en, bool data_autoload_en)
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{
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Cache_Enable_ICache(inst_autoload_en ? CACHE_LL_L1_ICACHE_AUTOLOAD : 0);
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}
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/**
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* @brief Suspend Cache
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*
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* @param cache_level level of the cache
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* @param type see `cache_type_t`
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* @param cache_id id of the cache in this type and level
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*/
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__attribute__((always_inline))
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static inline void cache_ll_suspend_cache(uint32_t cache_level, cache_type_t type, uint32_t cache_id)
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{
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Cache_Suspend_ICache();
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}
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/**
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* @brief Resume Cache
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*
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* @param cache_level level of the cache
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* @param type see `cache_type_t`
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* @param cache_id id of the cache in this type and level
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* @param data_autoload_en data autoload enabled or not
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* @param inst_autoload_en inst autoload enabled or not
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*/
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__attribute__((always_inline))
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static inline void cache_ll_resume_cache(uint32_t cache_level, cache_type_t type, uint32_t cache_id, bool inst_autoload_en, bool data_autoload_en)
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{
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Cache_Resume_ICache(inst_autoload_en ? CACHE_LL_L1_ICACHE_AUTOLOAD : 0);
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}
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/**
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* @brief Check if Cache is enabled or not. On ESP32C3, instructions and data share Cache
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*
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* @param type see `cache_type_t`
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*
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* @return true: enabled; false: disabled
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*/
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__attribute__((always_inline))
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static inline bool cache_ll_is_cache_enabled(cache_type_t type)
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{
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bool enabled = false;
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enabled = REG_GET_BIT(EXTMEM_ICACHE_CTRL_REG, EXTMEM_ICACHE_ENABLE);
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return enabled;
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}
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/**
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* @brief Invalidate cache supported addr
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*
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* Invalidate a cache item
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*
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* @param cache_level level of the cache
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* @param type see `cache_type_t`
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* @param cache_id id of the cache in this type and level
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* @param vaddr start address of the region to be invalidated
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* @param size size of the region to be invalidated
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*/
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__attribute__((always_inline))
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static inline void cache_ll_invalidate_addr(uint32_t cache_level, cache_type_t type, uint32_t cache_id, uint32_t vaddr, uint32_t size)
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{
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Cache_Invalidate_Addr(vaddr, size);
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}
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/**
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* @brief Invalidate all
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*
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* @param cache_level level of the cache
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* @param type see `cache_type_t`
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* @param cache_id id of the cache in this type and level
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*/
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__attribute__((always_inline))
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static inline void cache_ll_invalidate_all(uint32_t cache_level, cache_type_t type, uint32_t cache_id)
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{
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Cache_Invalidate_ICache_All();
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}
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/**
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* @brief Freeze Cache
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*
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* @param cache_level level of the cache
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* @param type see `cache_type_t`
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* @param cache_id id of the cache in this type and level
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*/
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__attribute__((always_inline))
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static inline void cache_ll_freeze_cache(uint32_t cache_level, cache_type_t type, uint32_t cache_id)
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{
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Cache_Freeze_ICache_Enable(CACHE_FREEZE_ACK_BUSY);
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}
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/**
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* @brief Unfreeze Cache
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*
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* @param cache_level level of the cache
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* @param type see `cache_type_t`
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* @param cache_id id of the cache in this type and level
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*/
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__attribute__((always_inline))
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static inline void cache_ll_unfreeze_cache(uint32_t cache_level, cache_type_t type, uint32_t cache_id)
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{
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Cache_Freeze_ICache_Disable();
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}
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/**
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* @brief Set the preload strategy (no-op)
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*/
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__attribute__((always_inline))
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static inline void cache_ll_preload_set_strategy(uint32_t cache_level, cache_type_t type, uint32_t cache_id, cache_ll_preload_strategy_t strategy)
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{
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(void)cache_level;
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(void)type;
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(void)cache_id;
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(void)strategy;
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}
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/**
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* @brief Preload cache (L1 ICache only)
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*
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* Starts preload for the given region and does not wait. Use
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* cache_ll_preload_wait_done() to wait for completion.
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* DATA type is no-op.
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*
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* @param cache_level level of the cache (must be CACHE_LL_LEVEL_EXT_MEM)
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* @param type see `cache_type_t` (only INSTRUCTION and ALL trigger preload)
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* @param cache_id id of the cache (unused on C3; pass 0 or CACHE_LL_ID_ALL)
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* @param vaddr start virtual address of the preload region
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* @param size size of the preload region in bytes
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* @param order preload order, see `cache_preload_order_t`
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*/
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__attribute__((always_inline))
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static inline void cache_ll_preload(uint32_t cache_level, cache_type_t type, uint32_t cache_id, uint32_t vaddr, uint32_t size, cache_preload_order_t order)
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{
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(void)cache_id;
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HAL_ASSERT(cache_level == CACHE_LL_LEVEL_EXT_MEM);
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if (type == CACHE_TYPE_DATA) {
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return;
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}
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Cache_Start_ICache_Preload(vaddr, size, order);
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}
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/**
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* @brief Wait until cache preload is done (L1 only)
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*/
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__attribute__((always_inline))
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static inline void cache_ll_preload_wait_done(uint32_t cache_level, cache_type_t type, uint32_t cache_id)
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{
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(void)cache_id;
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HAL_ASSERT(cache_level == CACHE_LL_LEVEL_EXT_MEM);
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if (type == CACHE_TYPE_DATA) {
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return;
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}
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while (Cache_ICache_Preload_Done() == 0) {
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}
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}
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/**
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* @brief Get Cache line size, in bytes
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*
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* @param cache_level level of the cache
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* @param type see `cache_type_t`
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* @param cache_id id of the cache in this type and level
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*
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* @return Cache line size, in bytes
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*/
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__attribute__((always_inline))
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static inline uint32_t cache_ll_get_line_size(uint32_t cache_level, cache_type_t type, uint32_t cache_id)
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{
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uint32_t size = 0;
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size = Cache_Get_ICache_Line_Size();
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return size;
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}
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/**
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* @brief Get the buses of a particular cache that are mapped to a virtual address range
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*
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* External virtual address can only be accessed when the involved cache buses are enabled.
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* This API is to get the cache buses where the memory region (from `vaddr_start` to `vaddr_start + len`) reside.
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*
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* @param cache_id cache ID (when l1 cache is per core)
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* @param vaddr_start virtual address start
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* @param len vaddr length
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*/
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#if !BOOTLOADER_BUILD
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__attribute__((always_inline))
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#endif
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static inline cache_bus_mask_t cache_ll_l1_get_bus(uint32_t cache_id, uint32_t vaddr_start, uint32_t len)
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{
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cache_bus_mask_t mask = (cache_bus_mask_t)0;
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uint32_t vaddr_end = vaddr_start + len - 1;
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if (vaddr_start >= SOC_IRAM0_CACHE_ADDRESS_LOW && vaddr_end < SOC_IRAM0_CACHE_ADDRESS_HIGH) {
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mask = (cache_bus_mask_t)(mask | CACHE_BUS_IBUS0);
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} else if (vaddr_start >= SOC_DRAM0_CACHE_ADDRESS_LOW && vaddr_end < SOC_DRAM0_CACHE_ADDRESS_HIGH) {
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mask = (cache_bus_mask_t)(mask | CACHE_BUS_DBUS0);
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} else {
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HAL_ASSERT(0); //Out of region
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}
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return mask;
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}
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/**
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* Enable the Cache Buses
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*
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* @param cache_id cache ID (when l1 cache is per core)
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* @param mask To know which buses should be enabled
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*/
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#if !BOOTLOADER_BUILD
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__attribute__((always_inline))
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#endif
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static inline void cache_ll_l1_enable_bus(uint32_t bus_id, cache_bus_mask_t mask)
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{
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//On esp32c3, only `CACHE_BUS_IBUS0` and `CACHE_BUS_DBUS0` are supported. Use `cache_ll_l1_get_bus()` to get your bus first
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HAL_ASSERT((mask & (CACHE_BUS_IBUS1 | CACHE_BUS_IBUS2 | CACHE_BUS_DBUS1 | CACHE_BUS_DBUS2)) == 0);
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uint32_t ibus_mask = 0;
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ibus_mask = ibus_mask | ((mask & CACHE_BUS_IBUS0) ? EXTMEM_ICACHE_SHUT_IBUS : 0);
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REG_CLR_BIT(EXTMEM_ICACHE_CTRL1_REG, ibus_mask);
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uint32_t dbus_mask = 0;
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dbus_mask = dbus_mask | ((mask & CACHE_BUS_DBUS0) ? EXTMEM_ICACHE_SHUT_DBUS : 0);
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REG_CLR_BIT(EXTMEM_ICACHE_CTRL1_REG, dbus_mask);
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}
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/**
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* Disable the Cache Buses
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*
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* @param cache_id cache ID (when l1 cache is per core)
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* @param mask To know which buses should be disabled
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*/
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__attribute__((always_inline))
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static inline void cache_ll_l1_disable_bus(uint32_t bus_id, cache_bus_mask_t mask)
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{
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//On esp32c3, only `CACHE_BUS_IBUS0` and `CACHE_BUS_DBUS0` are supported. Use `cache_ll_l1_get_bus()` to get your bus first
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HAL_ASSERT((mask & (CACHE_BUS_IBUS1 | CACHE_BUS_IBUS2 | CACHE_BUS_DBUS1 | CACHE_BUS_DBUS2)) == 0);
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uint32_t ibus_mask = 0;
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ibus_mask = ibus_mask | ((mask & CACHE_BUS_IBUS0) ? EXTMEM_ICACHE_SHUT_IBUS : 0);
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REG_SET_BIT(EXTMEM_ICACHE_CTRL1_REG, ibus_mask);
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uint32_t dbus_mask = 0;
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dbus_mask = dbus_mask | ((mask & CACHE_BUS_DBUS0) ? EXTMEM_ICACHE_SHUT_DBUS : 0);
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REG_SET_BIT(EXTMEM_ICACHE_CTRL1_REG, dbus_mask);
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}
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/**
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* @brief Get Cache level and the ID of the vaddr
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*
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* @param vaddr_start virtual address start
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* @param len vaddr length
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* @param out_level cache level
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* @param out_id cache id
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*
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* @return true for valid
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*/
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__attribute__((always_inline))
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static inline bool cache_ll_vaddr_to_cache_level_id(uint32_t vaddr_start, uint32_t len, uint32_t *out_level, uint32_t *out_id)
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{
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bool valid = false;
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uint32_t vaddr_end = vaddr_start + len - 1;
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valid |= (SOC_ADDRESS_IN_IRAM0_CACHE(vaddr_start) && SOC_ADDRESS_IN_IRAM0_CACHE(vaddr_end));
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valid |= (SOC_ADDRESS_IN_DRAM0_CACHE(vaddr_start) && SOC_ADDRESS_IN_DRAM0_CACHE(vaddr_end));
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if (valid) {
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*out_level = 1;
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*out_id = 0;
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}
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return valid;
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}
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/*------------------------------------------------------------------------------
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* Interrupt
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*----------------------------------------------------------------------------*/
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/**
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* @brief Enable Cache access error interrupt
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*
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* @param cache_id Cache ID, not used on C3. For compabitlity
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* @param mask Interrupt mask
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*/
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static inline void cache_ll_l1_enable_access_error_intr(uint32_t cache_id, uint32_t mask)
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{
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SET_PERI_REG_MASK(EXTMEM_CORE0_ACS_CACHE_INT_ENA_REG, mask);
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}
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/**
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* @brief Clear Cache access error interrupt status
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*
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* @param cache_id Cache ID, not used on C3. For compabitlity
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* @param mask Interrupt mask
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*/
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static inline void cache_ll_l1_clear_access_error_intr(uint32_t cache_id, uint32_t mask)
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{
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SET_PERI_REG_MASK(EXTMEM_CORE0_ACS_CACHE_INT_CLR_REG, mask);
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}
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/**
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* @brief Get Cache access error interrupt status
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*
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* @param cache_id Cache ID, not used on C3. For compabitlity
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* @param mask Interrupt mask
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*
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* @return Status mask
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*/
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static inline uint32_t cache_ll_l1_get_access_error_intr_status(uint32_t cache_id, uint32_t mask)
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{
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return GET_PERI_REG_MASK(EXTMEM_CORE0_ACS_CACHE_INT_ST_REG, mask);
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}
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||||
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/**
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* @brief Enable Cache illegal error interrupt
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||||
*
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* @param cache_id Cache ID, not used on C3. For compabitlity
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||||
* @param mask Interrupt mask
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||||
*/
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static inline void cache_ll_l1_enable_illegal_error_intr(uint32_t cache_id, uint32_t mask)
|
||||
{
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||||
SET_PERI_REG_MASK(EXTMEM_CACHE_ILG_INT_ENA_REG, mask);
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||||
}
|
||||
|
||||
/**
|
||||
* @brief Clear Cache illegal error interrupt status
|
||||
*
|
||||
* @param cache_id Cache ID, not used on C3. For compabitlity
|
||||
* @param mask Interrupt mask
|
||||
*/
|
||||
static inline void cache_ll_l1_clear_illegal_error_intr(uint32_t cache_id, uint32_t mask)
|
||||
{
|
||||
SET_PERI_REG_MASK(EXTMEM_CACHE_ILG_INT_CLR_REG, mask);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Get Cache illegal error interrupt status
|
||||
*
|
||||
* @param cache_id Cache ID, not used on C3. For compabitlity
|
||||
* @param mask Interrupt mask
|
||||
*
|
||||
* @return Status mask
|
||||
*/
|
||||
static inline uint32_t cache_ll_l1_get_illegal_error_intr_status(uint32_t cache_id, uint32_t mask)
|
||||
{
|
||||
return GET_PERI_REG_MASK(EXTMEM_CACHE_ILG_INT_ST_REG, mask);
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
@@ -0,0 +1,324 @@
|
||||
/*
|
||||
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
// The LL layer for MMU register operations
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "esp_types.h"
|
||||
#include "soc/extmem_reg.h"
|
||||
#include "soc/ext_mem_defs.h"
|
||||
#include "hal/assert.h"
|
||||
#include "hal/mmu_types.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#define MMU_LL_END_DROM_ENTRY_VADDR (SOC_DRAM_FLASH_ADDRESS_HIGH - 0x10000)
|
||||
#define MMU_LL_END_DROM_ENTRY_ID (SOC_MMU_ENTRY_NUM - 1)
|
||||
/**
|
||||
* Convert MMU virtual address to linear address
|
||||
*
|
||||
* @param vaddr virtual address
|
||||
*
|
||||
* @return linear address
|
||||
*/
|
||||
static inline uint32_t mmu_ll_vaddr_to_laddr(uint32_t vaddr)
|
||||
{
|
||||
return vaddr & SOC_MMU_LINEAR_ADDR_MASK;
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert MMU linear address to virtual address
|
||||
*
|
||||
* @param laddr linear address
|
||||
* @param vaddr_type virtual address type, could be instruction type or data type. See `mmu_vaddr_t`
|
||||
* @param target virtual address aimed physical memory target, not used
|
||||
*
|
||||
* @return virtual address
|
||||
*/
|
||||
static inline uint32_t mmu_ll_laddr_to_vaddr(uint32_t laddr, mmu_vaddr_t vaddr_type, mmu_target_t target)
|
||||
{
|
||||
(void)target;
|
||||
uint32_t vaddr_base = 0;
|
||||
if (vaddr_type == MMU_VADDR_DATA) {
|
||||
vaddr_base = SOC_MMU_DBUS_VADDR_BASE;
|
||||
} else {
|
||||
vaddr_base = SOC_MMU_IBUS_VADDR_BASE;
|
||||
}
|
||||
|
||||
return vaddr_base | laddr;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get MMU page size
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
*
|
||||
* @return MMU page size code
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline mmu_page_size_t mmu_ll_get_page_size(uint32_t mmu_id)
|
||||
{
|
||||
//On esp32c3, MMU Page size is always 64KB
|
||||
(void)mmu_id;
|
||||
return MMU_PAGE_64KB;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set MMU page size
|
||||
*
|
||||
* @param size MMU page size
|
||||
*
|
||||
* @note On esp32c3, only supports `MMU_PAGE_64KB`
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline void mmu_ll_set_page_size(uint32_t mmu_id, uint32_t size)
|
||||
{
|
||||
HAL_ASSERT(size == MMU_PAGE_64KB);
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the external memory vaddr region is valid
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param vaddr_start start of the virtual address
|
||||
* @param len length, in bytes
|
||||
* @param type virtual address type, could be instruction type or data type. See `mmu_vaddr_t`
|
||||
*
|
||||
* @return
|
||||
* True for valid
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline bool mmu_ll_check_valid_ext_vaddr_region(uint32_t mmu_id, uint32_t vaddr_start, uint32_t len, mmu_vaddr_t type)
|
||||
{
|
||||
(void)mmu_id;
|
||||
uint32_t vaddr_end = vaddr_start + len - 1;
|
||||
bool valid = false;
|
||||
|
||||
if (type & MMU_VADDR_INSTRUCTION) {
|
||||
valid |= (SOC_ADDRESS_IN_IRAM0_CACHE(vaddr_start) && SOC_ADDRESS_IN_IRAM0_CACHE(vaddr_end));
|
||||
}
|
||||
|
||||
if (type & MMU_VADDR_DATA) {
|
||||
valid |= (SOC_ADDRESS_IN_DRAM0_CACHE(vaddr_start) && SOC_ADDRESS_IN_DRAM0_CACHE(vaddr_end));
|
||||
}
|
||||
|
||||
return valid;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the paddr region is valid
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param paddr_start start of the physical address
|
||||
* @param len length, in bytes
|
||||
*
|
||||
* @return
|
||||
* True for valid
|
||||
*/
|
||||
static inline bool mmu_ll_check_valid_paddr_region(uint32_t mmu_id, uint32_t paddr_start, uint32_t len)
|
||||
{
|
||||
(void)mmu_id;
|
||||
return (paddr_start < (mmu_ll_get_page_size(mmu_id) * SOC_MMU_MAX_PADDR_PAGE_NUM)) &&
|
||||
(len < (mmu_ll_get_page_size(mmu_id) * SOC_MMU_MAX_PADDR_PAGE_NUM)) &&
|
||||
((paddr_start + len - 1) < (mmu_ll_get_page_size(mmu_id) * SOC_MMU_MAX_PADDR_PAGE_NUM));
|
||||
}
|
||||
|
||||
/**
|
||||
* To get the MMU table entry id to be mapped
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param vaddr virtual address to be mapped
|
||||
*
|
||||
* @return
|
||||
* MMU table entry id
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline uint32_t mmu_ll_get_entry_id(uint32_t mmu_id, uint32_t vaddr)
|
||||
{
|
||||
(void)mmu_id;
|
||||
return ((vaddr & SOC_MMU_VADDR_MASK) >> 16);
|
||||
}
|
||||
|
||||
/**
|
||||
* Format the paddr to be mappable
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param paddr physical address to be mapped
|
||||
* @param target paddr memory target, not used
|
||||
*
|
||||
* @return
|
||||
* mmu_val - paddr in MMU table supported format
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline uint32_t mmu_ll_format_paddr(uint32_t mmu_id, uint32_t paddr, mmu_target_t target)
|
||||
{
|
||||
(void)mmu_id;
|
||||
(void)target;
|
||||
return paddr >> 16;
|
||||
}
|
||||
|
||||
/**
|
||||
* Write to the MMU table to map the virtual memory and the physical memory
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param entry_id MMU entry ID
|
||||
* @param mmu_val Value to be set into an MMU entry, for physical address
|
||||
* @param target MMU target physical memory.
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline void mmu_ll_write_entry(uint32_t mmu_id, uint32_t entry_id, uint32_t mmu_val, mmu_target_t target)
|
||||
{
|
||||
(void)mmu_id;
|
||||
HAL_ASSERT(target == MMU_TARGET_FLASH0);
|
||||
HAL_ASSERT(entry_id < SOC_MMU_ENTRY_NUM);
|
||||
|
||||
*(uint32_t *)(DR_REG_MMU_TABLE + entry_id * 4) = mmu_val | SOC_MMU_ACCESS_FLASH | SOC_MMU_VALID;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read the raw value from MMU table
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param entry_id MMU entry ID
|
||||
* @param mmu_val Value to be read from MMU table
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline uint32_t mmu_ll_read_entry(uint32_t mmu_id, uint32_t entry_id)
|
||||
{
|
||||
(void)mmu_id;
|
||||
HAL_ASSERT(entry_id < SOC_MMU_ENTRY_NUM);
|
||||
|
||||
return *(uint32_t *)(DR_REG_MMU_TABLE + entry_id * 4);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set MMU table entry as invalid
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param entry_id MMU entry ID
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline void mmu_ll_set_entry_invalid(uint32_t mmu_id, uint32_t entry_id)
|
||||
{
|
||||
(void)mmu_id;
|
||||
HAL_ASSERT(entry_id < SOC_MMU_ENTRY_NUM);
|
||||
|
||||
*(uint32_t *)(DR_REG_MMU_TABLE + entry_id * 4) = SOC_MMU_INVALID;
|
||||
}
|
||||
|
||||
/**
|
||||
* Unmap all the items in the MMU table
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline void mmu_ll_unmap_all(uint32_t mmu_id)
|
||||
{
|
||||
for (int i = 0; i < SOC_MMU_ENTRY_NUM; i++) {
|
||||
mmu_ll_set_entry_invalid(mmu_id, i);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Check MMU table entry value is valid
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param entry_id MMU entry ID
|
||||
*
|
||||
* @return True for MMU entry is valid; False for invalid
|
||||
*/
|
||||
static inline bool mmu_ll_check_entry_valid(uint32_t mmu_id, uint32_t entry_id)
|
||||
{
|
||||
(void)mmu_id;
|
||||
HAL_ASSERT(entry_id < SOC_MMU_ENTRY_NUM);
|
||||
|
||||
return (*(uint32_t *)(DR_REG_MMU_TABLE + entry_id * 4) & SOC_MMU_INVALID) ? false : true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the MMU table entry target
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param entry_id MMU entry ID
|
||||
*
|
||||
* @return Target, see `mmu_target_t`
|
||||
*/
|
||||
static inline mmu_target_t mmu_ll_get_entry_target(uint32_t mmu_id, uint32_t entry_id)
|
||||
{
|
||||
(void)mmu_id;
|
||||
HAL_ASSERT(entry_id < SOC_MMU_ENTRY_NUM);
|
||||
|
||||
return MMU_TARGET_FLASH0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert MMU entry ID to paddr base
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param entry_id MMU entry ID
|
||||
*
|
||||
* @return paddr base
|
||||
*/
|
||||
static inline uint32_t mmu_ll_entry_id_to_paddr_base(uint32_t mmu_id, uint32_t entry_id)
|
||||
{
|
||||
(void)mmu_id;
|
||||
HAL_ASSERT(entry_id < SOC_MMU_ENTRY_NUM);
|
||||
|
||||
return ((*(uint32_t *)(DR_REG_MMU_TABLE + entry_id * 4)) & SOC_MMU_VALID_VAL_MASK) << 16;
|
||||
}
|
||||
|
||||
/**
|
||||
* Find the MMU table entry ID based on table map value
|
||||
* @note This function can only find the first match entry ID. However it is possible that a physical address
|
||||
* is mapped to multiple virtual addresses
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param mmu_val map value to be read from MMU table standing for paddr
|
||||
* @param target physical memory target, see `mmu_target_t`
|
||||
*
|
||||
* @return MMU entry ID, -1 for invalid
|
||||
*/
|
||||
static inline int mmu_ll_find_entry_id_based_on_map_value(uint32_t mmu_id, uint32_t mmu_val, mmu_target_t target)
|
||||
{
|
||||
(void)mmu_id;
|
||||
for (int i = 0; i < SOC_MMU_ENTRY_NUM; i++) {
|
||||
if (mmu_ll_check_entry_valid(mmu_id, i)) {
|
||||
if (mmu_ll_get_entry_target(mmu_id, i) == target) {
|
||||
if (((*(uint32_t *)(DR_REG_MMU_TABLE + i * 4)) & SOC_MMU_VALID_VAL_MASK) == mmu_val) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Convert MMU entry ID to vaddr base
|
||||
*
|
||||
* @param mmu_id MMU ID
|
||||
* @param entry_id MMU entry ID
|
||||
* @param type virtual address type, could be instruction type or data type. See `mmu_vaddr_t`
|
||||
*/
|
||||
static inline uint32_t mmu_ll_entry_id_to_vaddr_base(uint32_t mmu_id, uint32_t entry_id, mmu_vaddr_t type)
|
||||
{
|
||||
(void)mmu_id;
|
||||
uint32_t laddr = entry_id << 16;
|
||||
|
||||
/**
|
||||
* For `mmu_ll_laddr_to_vaddr`, target is for compatibility on this chip.
|
||||
* Here we just pass MMU_TARGET_FLASH0 to get vaddr
|
||||
*/
|
||||
return mmu_ll_laddr_to_vaddr(laddr, type, MMU_TARGET_FLASH0);
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
Reference in New Issue
Block a user