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Merge branch 'bugfix/tw9540_workaround_appdata_overwrite_bootdata' into 'master'

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modify bootloader dram start address, swap app bss and data segments

Modify bootloader dram_seg from address 0x3ffc0000 to 0x3fff0000, len from 0x20000 to 0x10000.
Also put app .data before .bss, to reduce the chance .data collides with ROM bootloader stack.

See merge request !375
This commit is contained in:
Ivan Grokhotkov
2017-01-06 15:59:22 +08:00
parent c943fabcda 0b264f4f7b
commit a69a798878
2 changed files with 22 additions and 22 deletions
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42
components/esp32/ld/esp32.common.ld
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@@ -85,6 +85,27 @@ SECTIONS
_iram_text_end = ABSOLUTE(.);
} > iram0_0_seg
.dram0.data :
{
_data_start = ABSOLUTE(.);
KEEP(*(.data))
KEEP(*(.data.*))
KEEP(*(.gnu.linkonce.d.*))
KEEP(*(.data1))
KEEP(*(.sdata))
KEEP(*(.sdata.*))
KEEP(*(.gnu.linkonce.s.*))
KEEP(*(.sdata2))
KEEP(*(.sdata2.*))
KEEP(*(.gnu.linkonce.s2.*))
KEEP(*(.jcr))
*(.dram1 .dram1.*)
*libesp32.a:panic.o(.rodata .rodata.*)
_data_end = ABSOLUTE(.);
. = ALIGN(4);
_heap_start = ABSOLUTE(.);
} >dram0_0_seg
/* Shared RAM */
.dram0.bss (NOLOAD) :
{
@@ -108,27 +129,6 @@ SECTIONS
_bss_end = ABSOLUTE(.);
} >dram0_0_seg
.dram0.data :
{
_data_start = ABSOLUTE(.);
*(.data)
*(.data.*)
*(.gnu.linkonce.d.*)
*(.data1)
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
*(.sdata2)
*(.sdata2.*)
*(.gnu.linkonce.s2.*)
*(.jcr)
*(.dram1 .dram1.*)
*libesp32.a:panic.o(.rodata .rodata.*)
_data_end = ABSOLUTE(.);
. = ALIGN(4);
_heap_start = ABSOLUTE(.);
} >dram0_0_seg
.flash.rodata :
{
_rodata_start = ABSOLUTE(.);