Загрузка данных
--- a/include/zephyr/arch/arm/cortex_m/scripts/linker.ld
+++ b/include/zephyr/arch/arm/cortex_m/scripts/linker.ld
@@ -87,6 +87,9 @@ MEMORY
#endif
FLASH (rx) : ORIGIN = ROM_ADDR, LENGTH = ROM_SIZE
RAM (wx) : ORIGIN = RAM_ADDR, LENGTH = RAM_SIZE
+#if defined(CONFIG_SDRAM_LMA_ADJUST)
+ NXP_FLASH_LMA (rx) : ORIGIN = 0x60000000, LENGTH = 4M
+#endif
#if defined(CONFIG_LINKER_DEVNULL_MEMORY)
DEVNULL_ROM (rx) : ORIGIN = DEVNULL_ADDR, LENGTH = DEVNULL_SIZE
#endif
@@ -95,6 +98,14 @@ MEMORY
IDT_LIST (wx) : ORIGIN = 0xFFFF7FFF, LENGTH = 32K
}
+#if defined(CONFIG_SDRAM_LMA_ADJUST)
+#undef GROUP_ROM_LINK_IN
+#undef GROUP_DATA_LINK_IN
+
+#define GROUP_ROM_LINK_IN(vregion, lregion) > lregion AT> NXP_FLASH_LMA
+#define GROUP_DATA_LINK_IN(vregion, lregion) > vregion AT> NXP_FLASH_LMA
+#endif
+
ENTRY(CONFIG_KERNEL_ENTRY)
SECTIONS
@@ -124,7 +135,10 @@ SECTIONS
__rom_region_start = ROM_ADDR;
- SECTION_PROLOGUE(rom_start,,)
+ SECTION_PROLOGUE(rom_start,,)
+#if defined(CONFIG_SDRAM_LMA_ADJUST)
+ ALIGN_WITH_INPUT
+#endif
{
/* Located in generated directory. This file is populated by calling
@@ -132,8 +146,11 @@ SECTIONS
* table and debug information.
*/
#include <snippets-rom-start.ld>
-
+#if !defined(CONFIG_SDRAM_LMA_ADJUST)
} GROUP_LINK_IN(ROMSTART_REGION)
+#else
+ } > FLASH AT> NXP_FLASH_LMA
+#endif
#ifdef CONFIG_CODE_DATA_RELOCATION
@@ -141,7 +158,10 @@ SECTIONS
#endif /* CONFIG_CODE_DATA_RELOCATION */
- SECTION_PROLOGUE(_TEXT_SECTION_NAME,,)
+ SECTION_PROLOGUE(_TEXT_SECTION_NAME,,)
+#if defined(CONFIG_SDRAM_LMA_ADJUST)
+ ALIGN_WITH_INPUT
+#endif
{
__text_region_start = .;
@@ -158,8 +178,11 @@ SECTIONS
*/
*(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
. = ALIGN(4);
-
+#if !defined(CONFIG_SDRAM_LMA_ADJUST)
} GROUP_LINK_IN(ROMABLE_REGION)
+#else
+ } > FLASH AT> NXP_FLASH_LMA
+#endif
__text_region_end = .;
@@ -174,6 +197,9 @@ SECTIONS
#endif
SECTION_PROLOGUE(.ARM.exidx,,)
+#if defined(CONFIG_SDRAM_LMA_ADJUST)
+ ALIGN_WITH_INPUT
+#endif
{
/*
* This section, related to stack and exception unwinding, is placed
@@ -186,8 +212,11 @@ SECTIONS
*(.ARM.exidx* gnu.linkonce.armexidx.*)
#endif
__exidx_end = .;
+#if !defined(CONFIG_SDRAM_LMA_ADJUST)
} GROUP_LINK_IN(ROMABLE_REGION)
-
+#else
+ } > FLASH AT> NXP_FLASH_LMA
+#endif
__rodata_region_start = .;
#include <zephyr/linker/common-rom.ld>
@@ -198,6 +227,9 @@ SECTIONS
#include <zephyr/linker/thread-local-storage.ld>
SECTION_PROLOGUE(_RODATA_SECTION_NAME,,)
+#if defined(CONFIG_SDRAM_LMA_ADJUST)
+ ALIGN_WITH_INPUT
+#endif
{
*(.rodata)
*(".rodata.*")
@@ -221,8 +253,11 @@ SECTIONS
* usually 4k aligned.
*/
. = ALIGN(4);
+#if !defined(CONFIG_SDRAM_LMA_ADJUST)
} GROUP_LINK_IN(ROMABLE_REGION)
-
+#else
+ } > FLASH AT> NXP_FLASH_LMA
+#endif
#include <zephyr/linker/cplusplus-rom.ld>
#if defined(CONFIG_BUILD_ALIGN_LMA) || !defined(CONFIG_XIP)
@@ -236,6 +271,12 @@ SECTIONS
__rodata_region_end = .;
MPU_ALIGN(__rodata_region_end - ADDR(rom_start));
} GROUP_LINK_IN(ROMABLE_REGION)
+#elif defined(CONFIG_SDRAM_LMA_ADJUST)
+ SECTION_PROLOGUE(padding_section,,) ALIGN_WITH_INPUT
+ {
+ __rodata_region_end = .;
+ MPU_ALIGN(__rodata_region_end - ADDR(rom_start));
+ } > FLASH AT> NXP_FLASH_LMA
#else
__rodata_region_end = .;
MPU_ALIGN(__rodata_region_end - ADDR(rom_start));
@@ -301,7 +342,6 @@ SECTIONS
#include <linker_sram_data_relocate.ld>
#endif
__data_end = .;
-
} GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION)
__data_size = __data_end - __data_start;
__data_load_start = LOADADDR(_DATA_SECTION_NAME);
@@ -411,11 +451,18 @@ GROUP_END(DTCM)
/* Must be last in romable region */
SECTION_PROLOGUE(.last_section,,)
+#if defined(CONFIG_SDRAM_LMA_ADJUST)
+ ALIGN_WITH_INPUT
+#endif
{
/* .last_section contains a fixed word to ensure location counter and actual
* rom region data usage match when CONFIG_LINKER_LAST_SECTION_ID=y. */
KEEP(*(.last_section))
+#if !defined(CONFIG_SDRAM_LMA_ADJUST)
} GROUP_LINK_IN(ROMABLE_REGION)
+#else
+} > FLASH AT> NXP_FLASH_LMA
+#endif