arch: riscv: linker: fix _image_rom_start symbol

Change _image_rom_start symbol from 0 to the beginning of
ROMABLE_REGION.

Signed-off-by: Jim Shu <cwshu@andestech.com>
This commit is contained in:
Jim Shu 2020-12-24 00:42:36 +08:00 committed by Ioannis Glaropoulos
commit 4004665fa7

View file

@ -31,6 +31,27 @@
#define _EXCEPTION_SECTION_NAME exceptions
#define _RESET_SECTION_NAME reset
#ifdef CONFIG_XIP
#if DT_NODE_HAS_COMPAT_STATUS(DT_CHOSEN(zephyr_flash), soc_nv_flash, okay)
#define ROM_BASE DT_REG_ADDR(DT_CHOSEN(zephyr_flash))
#define ROM_SIZE DT_REG_SIZE(DT_CHOSEN(zephyr_flash))
#elif DT_NODE_HAS_COMPAT_STATUS(DT_CHOSEN(zephyr_flash), jedec_spi_nor, okay)
/* For jedec,spi-nor we expect the spi controller to memory map the flash
* and for that mapping to be the second register property of the spi
* controller.
*/
#define SPI_CTRL DT_PARENT(DT_CHOSEN(zephyr_flash))
#define ROM_BASE DT_REG_ADDR_BY_IDX(SPI_CTRL, 1)
#define ROM_SIZE DT_REG_SIZE_BY_IDX(SPI_CTRL, 1)
#endif
#else /* CONFIG_XIP */
#define ROM_BASE CONFIG_SRAM_BASE_ADDRESS
#define ROM_SIZE KB(CONFIG_SRAM_SIZE)
#endif /* CONFIG_XIP */
#define RAM_BASE CONFIG_SRAM_BASE_ADDRESS
#define RAM_SIZE KB(CONFIG_SRAM_SIZE)
#ifdef CONFIG_RISCV_PMP
#define MPU_MIN_SIZE 4
#define MPU_MIN_SIZE_ALIGN . = ALIGN(MPU_MIN_SIZE );
@ -50,21 +71,9 @@
MEMORY
{
#ifdef CONFIG_XIP
#if DT_NODE_HAS_COMPAT_STATUS(DT_CHOSEN(zephyr_flash), soc_nv_flash, okay)
#define ROM_BASE DT_REG_ADDR(DT_CHOSEN(zephyr_flash))
#define ROM_SIZE DT_REG_SIZE(DT_CHOSEN(zephyr_flash))
#elif DT_NODE_HAS_COMPAT_STATUS(DT_CHOSEN(zephyr_flash), jedec_spi_nor, okay)
/* For jedec,spi-nor we expect the spi controller to memory map the flash
* and for that mapping to be the second register property of the spi
* controller.
*/
#define SPI_CTRL DT_PARENT(DT_CHOSEN(zephyr_flash))
#define ROM_BASE DT_REG_ADDR_BY_IDX(SPI_CTRL, 1)
#define ROM_SIZE DT_REG_SIZE_BY_IDX(SPI_CTRL, 1)
#endif
ROM (rx) : ORIGIN = ROM_BASE, LENGTH = ROM_SIZE
#endif
RAM (rwx) : ORIGIN = CONFIG_SRAM_BASE_ADDRESS, LENGTH = KB(CONFIG_SRAM_SIZE)
RAM (rwx) : ORIGIN = RAM_BASE, LENGTH = RAM_SIZE
/* Used by and documented in include/linker/intlist.ld */
IDT_LIST (wx) : ORIGIN = 0xFFFFF7FF, LENGTH = 2K
}
@ -91,7 +100,7 @@ SECTIONS
}
GROUP_START(ROMABLE_REGION)
_image_rom_start = .;
_image_rom_start = ROM_BASE;
SECTION_PROLOGUE(_VECTOR_SECTION_NAME,,)
{