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esp8266/modesp: flash_user_start: Use value from linker script. 

Make esp8266_common.ld export size reserved to all code segments, and use
that in esp.flash_user_start() implementation.
This commit is contained in:
Paul Sokolovsky 2017-05-12 15:58:19 +03:00
parent 0987ad5e30
commit 3e05df7fd1
2 changed files with 5 additions and 5 deletions
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2
esp8266/esp8266_common.ld
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@ -19,6 +19,8 @@ EXTERN(_KernelExceptionVector)
EXTERN(_NMIExceptionVector)
EXTERN(_UserExceptionVector)
_firmware_size = ORIGIN(irom0_0_seg) + LENGTH(irom0_0_seg) - 0x40200000;
PROVIDE(_memmap_vecbase_reset = 0x40000000);
/* Various memory-map dependent cache attribute settings: */

8
esp8266/modesp.c
View File

@ -159,12 +159,10 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_flash_size_obj, esp_flash_size);
// we assume there's a yaota8266 bootloader.
#define IS_OTA_FIRMWARE() ((*(uint32_t*)0x40200000 & 0xff00) == 0x100)
extern byte _firmware_size[];
STATIC mp_obj_t esp_flash_user_start(void) {
if (IS_OTA_FIRMWARE()) {
return MP_OBJ_NEW_SMALL_INT(0x3c000 + 0x90000);
} else {
return MP_OBJ_NEW_SMALL_INT(0x90000);
}
return MP_OBJ_NEW_SMALL_INT((uint32_t)_firmware_size);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_flash_user_start_obj, esp_flash_user_start);