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feat(make): add "iram_bss" to link some global varible from DRAM to IRAM

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This commit is contained in:
dongheng
2019-09-26 17:20:03 +08:00
parent 63ba83f119
commit 3e6c6696ef
12 changed files with 48 additions and 3 deletions
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5
components/esp8266/source/startup.c
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@ -116,6 +116,7 @@ void call_start_cpu(size_t start_addr)
int *p;
extern int _bss_start, _bss_end;
extern int _iram_bss_start, _iram_bss_end;
esp_image_header_t *head = (esp_image_header_t *)(FLASH_BASE + (start_addr & (FLASH_SIZE - 1)));
esp_image_segment_header_t *segment = (esp_image_segment_header_t *)((uintptr_t)head + sizeof(esp_image_header_t));
@ -154,6 +155,10 @@ void call_start_cpu(size_t start_addr)
for (p = &_bss_start; p < &_bss_end; p++)
*p = 0;
/* clear iram_bss data */
for (p = &_iram_bss_start; p < &_iram_bss_end; p++)
*p = 0;
__asm__ __volatile__(
"rsil a2, 2\n"
"movi a1, _chip_interrupt_tmp\n"