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WiFi/BLE ROM

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This commit is contained in:
Dima Jolkin
2026-03-17 18:58:01 +02:00
committed by deadprogram
parent 71245845c8
commit 1f00425eb3
2 changed files with 13 additions and 3 deletions
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targets/esp32c3.ld
+8 -3
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@@ -29,9 +29,12 @@
MEMORY
{
/* Note: DRAM and IRAM below are actually in the same 384K address space. */
DRAM (rw) : ORIGIN = 0x3FC80000, LENGTH = 384K /* Internal SRAM 1 (data bus) */
IRAM (x) : ORIGIN = 0x40380000, LENGTH = 384K /* Internal SRAM 1 (instruction bus) */
/* Note: DRAM and IRAM below are actually in the same 384K address space.
* WiFi/BLE ROM variables occupy 0x3FCCE710..0x3FCDFFFC, so DRAM must
* stop before that boundary to prevent the Go heap from overwriting them.
*/
DRAM (rw) : ORIGIN = 0x3FC80000, LENGTH = 0x4E710 /* ends at 0x3FCCE710 — WiFi/ROM boundary */
IRAM (x) : ORIGIN = 0x40380000, LENGTH = 0x4E710
/* Note: DROM and IROM below are actually in the same 8M address space. */
DROM (r) : ORIGIN = 0x3C000000, LENGTH = 8M /* Data bus (read-only) */
@@ -59,6 +62,7 @@ SECTIONS
.rodata : ALIGN(4)
{
*(.rodata*)
*(.srodata*)
. = ALIGN (4);
} >DROM
@@ -83,6 +87,7 @@ SECTIONS
. = ALIGN (4);
_sbss = ABSOLUTE(.);
*(.sbss)
*(.sbss.*)
*(.bss .bss.*)
. = ALIGN (4);
_ebss = ABSOLUTE(.);