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feat(esp8266): Add rtc segment in ld file

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Wu Jian Gang
2018-06-01 15:29:10 +08:00
parent 5ce23a7039
commit 58e6abc3ad
2 changed files with 22 additions and 4 deletions
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9
components/esp8266/ld/esp8266.common.ld
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@ -62,6 +62,15 @@ SECTIONS
_dport0_data_end = ABSOLUTE(.); _dport0_data_end = ABSOLUTE(.);
} >dport0_0_seg :dport0_0_phdr } >dport0_0_seg :dport0_0_phdr
/* RTC memory holds user's data/rodata */
.rtc.data :
{
_rtc_data_start = ABSOLUTE(.);
*(.rtc.data)
*(.rtc.rodata)
_rtc_data_end = ABSOLUTE(.);
} > rtc_seg
.text : ALIGN(4) .text : ALIGN(4)
{ {
_stext = .; _stext = .;

11
components/esp8266/ld/esp8266.ld
View File

@ -19,7 +19,16 @@
MEMORY MEMORY
{ {
dport0_0_seg : org = 0x3FF00000, len = 0x10 dport0_0_seg : org = 0x3FF00000, len = 0x10
/* All .data/.bss/heap are in this segment. */
dram0_0_seg : org = 0x3FFE8000, len = 0x18000 dram0_0_seg : org = 0x3FFE8000, len = 0x18000
/* Functions which are critical should be put in this segment. */
iram1_0_seg : org = 0x40100000, len = 0x8000 iram1_0_seg : org = 0x40100000, len = 0x8000
irom0_0_seg : org = 0x40201010, len = 0xE0000
/* It is actually mapped to flash. */
irom0_0_seg : org = 0x40201010, len = 0xFF000 - 0x10
/* RTC memory, persists over deep sleep. */
rtc_seg : org = 0x60001200, len = 0x200
} }