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flash_mmap: register flash2spiram info to ROM

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This commit is contained in:
jiangguangming 2020-09-28 10:19:56 +08:00 committed by Marius Vikhammer
parent e93cee4605
commit f7137254e9
1 changed files with 17 additions and 1 deletions
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18
components/esp_system/port/cpu_start.c
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@ -359,9 +359,11 @@ void IRAM_ATTR call_start_cpu0(void)
#if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32H2
/* Configure the Cache MMU size for instruction and rodata in flash. */
extern uint32_t Cache_Set_IDROM_MMU_Size(uint32_t irom_size, uint32_t drom_size);
extern int _rodata_reserved_start;
extern int _rodata_reserved_start, _rodata_reserved_end;
uint32_t rodata_reserved_start_align = (uint32_t)&_rodata_reserved_start & ~(MMU_PAGE_SIZE - 1);
uint32_t cache_mmu_irom_size = ((rodata_reserved_start_align - SOC_DROM_LOW) / MMU_PAGE_SIZE) * sizeof(uint32_t);
uint32_t cache_mmu_drom_size = (((uint32_t)&_rodata_reserved_end - rodata_reserved_start_align + MMU_PAGE_SIZE - 1)/MMU_PAGE_SIZE)*sizeof(uint32_t);
Cache_Set_IDROM_MMU_Size(cache_mmu_irom_size, CACHE_DROM_MMU_MAX_END - cache_mmu_irom_size);
#endif // CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32H2
@ -437,6 +439,8 @@ void IRAM_ATTR call_start_cpu0(void)
}
#endif
static int s_instr_flash2spiram_off = 0;
static int s_rodata_flash2spiram_off = 0;
#if CONFIG_SPIRAM_FETCH_INSTRUCTIONS
extern void instruction_flash_page_info_init(void);
instruction_flash_page_info_init();
@ -449,10 +453,22 @@ void IRAM_ATTR call_start_cpu0(void)
#if CONFIG_SPIRAM_FETCH_INSTRUCTIONS
extern void esp_spiram_enable_instruction_access(void);
esp_spiram_enable_instruction_access();
s_instr_flash2spiram_off = instruction_flash2spiram_offset();
#endif
#if CONFIG_SPIRAM_RODATA
extern void esp_spiram_enable_rodata_access(void);
esp_spiram_enable_rodata_access();
s_rodata_flash2spiram_off = rodata_flash2spiram_offset();
#endif
#if CONFIG_IDF_TARGET_ESP32S3
extern void Cache_Set_IDROM_MMU_Info(uint32_t instr_page_num, uint32_t rodata_page_num, uint32_t rodata_start, uint32_t rodata_end, int i_off, int ro_off);
Cache_Set_IDROM_MMU_Info(cache_mmu_irom_size/sizeof(uint32_t), \
cache_mmu_drom_size/sizeof(uint32_t), \
(uint32_t)&_rodata_reserved_start, \
(uint32_t)&_rodata_reserved_end, \
s_instr_flash2spiram_off, \
s_rodata_flash2spiram_off);
#endif
#if CONFIG_ESP32S2_INSTRUCTION_CACHE_WRAP || CONFIG_ESP32S2_DATA_CACHE_WRAP